Add android.mojo application.

mojo/dart/packages/mojo_services/lib/activity/activity.mojom.dart

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-library sample_interfaces_mojom;
+library activity_mojom;
 
 import 'dart:async';
 
 import 'package:mojo/bindings.dart' as bindings;
 import 'package:mojo/core.dart' as core;
-const kLong = 4405;
-class Enum extends bindings.MojoEnum {
-  static const VALUE = const Enum._(0);
-
-  const Enum._(int v) : super(v);
-
-  static const Map<String, Enum> valuesMap = const {
-    "VALUE": VALUE,
-  };
-  static const List<Enum> values = const [
-    VALUE,
-  ];
-
-  static Enum valueOf(String name) => valuesMap[name];
-
-  factory Enum(int v) {
-    switch (v) {
-      case 0:
-        return VALUE;
-      default:
-        return null;
-    }
-  }
-
-  static Enum decode(bindings.Decoder decoder0, int offset) {
-    int v = decoder0.decodeUint32(offset);
-    Enum result = new Enum(v);
-    if (result == null) {
-      throw new bindings.MojoCodecError(
-          'Bad value $v for enum Enum.');
-    }
-    return result;
-  }
-
-  String toString() {
-    switch(this) {
-      case VALUE:
-        return 'Enum.VALUE';
-    }
-  }
-
-  int toJson() => value;
-}
-
-
-
-class ProviderEchoStringParams extends bindings.Struct {
+class SystemUiVisibility extends bindings.MojoEnum {
+  static const STANDARD = const SystemUiVisibility._(0);
+  static const FULLSCREEN = const SystemUiVisibility._(1);
+  static const IMMERSIVE = const SystemUiVisibility._(2);
+
+  const SystemUiVisibility._(int v) : super(v);
+
+  static const Map<String, SystemUiVisibility> valuesMap = const {
+    "STANDARD": STANDARD,
+    "FULLSCREEN": FULLSCREEN,
+    "IMMERSIVE": IMMERSIVE,
+  };
+  static const List<SystemUiVisibility> values = const [
+    STANDARD,
+    FULLSCREEN,
+    IMMERSIVE,
+  ];
+
+  static SystemUiVisibility valueOf(String name) => valuesMap[name];
+
+  factory SystemUiVisibility(int v) {
+    switch (v) {
+      case 0:
+        return STANDARD;
+      case 1:
+        return FULLSCREEN;
+      case 2:
+        return IMMERSIVE;
+      default:
+        return null;
+    }
+  }
+
+  static SystemUiVisibility decode(bindings.Decoder decoder0, int offset) {
+    int v = decoder0.decodeUint32(offset);
+    SystemUiVisibility result = new SystemUiVisibility(v);
+    if (result == null) {
+      throw new bindings.MojoCodecError(
+          'Bad value $v for enum SystemUiVisibility.');
+    }
+    return result;
+  }
+
+  String toString() {
+    switch(this) {
+      case STANDARD:
+        return 'SystemUiVisibility.STANDARD';
+      case FULLSCREEN:
+        return 'SystemUiVisibility.FULLSCREEN';
+      case IMMERSIVE:
+        return 'SystemUiVisibility.IMMERSIVE';
+    }
+  }
+
+  int toJson() => value;
+}
+class ScreenOrientation extends bindings.MojoEnum {
+  static const UNSPECIFIED = const ScreenOrientation._(0);
+  static const LANDSCAPE = const ScreenOrientation._(1);
+  static const PORTRAIT = const ScreenOrientation._(2);
+  static const NOSENSOR = const ScreenOrientation._(3);
+
+  const ScreenOrientation._(int v) : super(v);
+
+  static const Map<String, ScreenOrientation> valuesMap = const {
+    "UNSPECIFIED": UNSPECIFIED,
+    "LANDSCAPE": LANDSCAPE,
+    "PORTRAIT": PORTRAIT,
+    "NOSENSOR": NOSENSOR,
+  };
+  static const List<ScreenOrientation> values = const [
+    UNSPECIFIED,
+    LANDSCAPE,
+    PORTRAIT,
+    NOSENSOR,
+  ];
+
+  static ScreenOrientation valueOf(String name) => valuesMap[name];
+
+  factory ScreenOrientation(int v) {
+    switch (v) {
+      case 0:
+        return UNSPECIFIED;
+      case 1:
+        return LANDSCAPE;
+      case 2:
+        return PORTRAIT;
+      case 3:
+        return NOSENSOR;
+      default:
+        return null;
+    }
+  }
+
+  static ScreenOrientation decode(bindings.Decoder decoder0, int offset) {
+    int v = decoder0.decodeUint32(offset);
+    ScreenOrientation result = new ScreenOrientation(v);
+    if (result == null) {
+      throw new bindings.MojoCodecError(
+          'Bad value $v for enum ScreenOrientation.');
+    }
+    return result;
+  }
+
+  String toString() {
+    switch(this) {
+      case UNSPECIFIED:
+        return 'ScreenOrientation.UNSPECIFIED';
+      case LANDSCAPE:
+        return 'ScreenOrientation.LANDSCAPE';
+      case PORTRAIT:
+        return 'ScreenOrientation.PORTRAIT';
+      case NOSENSOR:
+        return 'ScreenOrientation.NOSENSOR';
+    }
+  }
+
+  int toJson() => value;
+}
+class HapticFeedbackType extends bindings.MojoEnum {
+  static const LONG_PRESS = const HapticFeedbackType._(0);
+  static const VIRTUAL_KEY = const HapticFeedbackType._(1);
+  static const KEYBOARD_TAP = const HapticFeedbackType._(2);
+  static const CLOCK_TICK = const HapticFeedbackType._(3);
+
+  const HapticFeedbackType._(int v) : super(v);
+
+  static const Map<String, HapticFeedbackType> valuesMap = const {
+    "LONG_PRESS": LONG_PRESS,
+    "VIRTUAL_KEY": VIRTUAL_KEY,
+    "KEYBOARD_TAP": KEYBOARD_TAP,
+    "CLOCK_TICK": CLOCK_TICK,
+  };
+  static const List<HapticFeedbackType> values = const [
+    LONG_PRESS,
+    VIRTUAL_KEY,
+    KEYBOARD_TAP,
+    CLOCK_TICK,
+  ];
+
+  static HapticFeedbackType valueOf(String name) => valuesMap[name];
+
+  factory HapticFeedbackType(int v) {
+    switch (v) {
+      case 0:
+        return LONG_PRESS;
+      case 1:
+        return VIRTUAL_KEY;
+      case 2:
+        return KEYBOARD_TAP;
+      case 3:
+        return CLOCK_TICK;
+      default:
+        return null;
+    }
+  }
+
+  static HapticFeedbackType decode(bindings.Decoder decoder0, int offset) {
+    int v = decoder0.decodeUint32(offset);
+    HapticFeedbackType result = new HapticFeedbackType(v);
+    if (result == null) {
+      throw new bindings.MojoCodecError(
+          'Bad value $v for enum HapticFeedbackType.');
+    }
+    return result;
+  }
+
+  String toString() {
+    switch(this) {
+      case LONG_PRESS:
+        return 'HapticFeedbackType.LONG_PRESS';
+      case VIRTUAL_KEY:
+        return 'HapticFeedbackType.VIRTUAL_KEY';
+      case KEYBOARD_TAP:
+        return 'HapticFeedbackType.KEYBOARD_TAP';
+      case CLOCK_TICK:
+        return 'HapticFeedbackType.CLOCK_TICK';
+    }
+  }
+
+  int toJson() => value;
+}
+class AuralFeedbackType extends bindings.MojoEnum {
+  static const CLICK = const AuralFeedbackType._(0);
+  static const NAVIGATION_LEFT = const AuralFeedbackType._(1);
+  static const NAVIGATION_UP = const AuralFeedbackType._(2);
+  static const NAVIGATION_RIGHT = const AuralFeedbackType._(3);
+  static const NAVIGATION_DOWN = const AuralFeedbackType._(4);
+
+  const AuralFeedbackType._(int v) : super(v);
+
+  static const Map<String, AuralFeedbackType> valuesMap = const {
+    "CLICK": CLICK,
+    "NAVIGATION_LEFT": NAVIGATION_LEFT,
+    "NAVIGATION_UP": NAVIGATION_UP,
+    "NAVIGATION_RIGHT": NAVIGATION_RIGHT,
+    "NAVIGATION_DOWN": NAVIGATION_DOWN,
+  };
+  static const List<AuralFeedbackType> values = const [
+    CLICK,
+    NAVIGATION_LEFT,
+    NAVIGATION_UP,
+    NAVIGATION_RIGHT,
+    NAVIGATION_DOWN,
+  ];
+
+  static AuralFeedbackType valueOf(String name) => valuesMap[name];
+
+  factory AuralFeedbackType(int v) {
+    switch (v) {
+      case 0:
+        return CLICK;
+      case 1:
+        return NAVIGATION_LEFT;
+      case 2:
+        return NAVIGATION_UP;
+      case 3:
+        return NAVIGATION_RIGHT;
+      case 4:
+        return NAVIGATION_DOWN;
+      default:
+        return null;
+    }
+  }
+
+  static AuralFeedbackType decode(bindings.Decoder decoder0, int offset) {
+    int v = decoder0.decodeUint32(offset);
+    AuralFeedbackType result = new AuralFeedbackType(v);
+    if (result == null) {
+      throw new bindings.MojoCodecError(
+          'Bad value $v for enum AuralFeedbackType.');
+    }
+    return result;
+  }
+
+  String toString() {
+    switch(this) {
+      case CLICK:
+        return 'AuralFeedbackType.CLICK';
+      case NAVIGATION_LEFT:
+        return 'AuralFeedbackType.NAVIGATION_LEFT';
+      case NAVIGATION_UP:
+        return 'AuralFeedbackType.NAVIGATION_UP';
+      case NAVIGATION_RIGHT:
+        return 'AuralFeedbackType.NAVIGATION_RIGHT';
+      case NAVIGATION_DOWN:
+        return 'AuralFeedbackType.NAVIGATION_DOWN';
+    }
+  }
+
+  int toJson() => value;
+}
+
+
+
+class StringExtra extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(16, 0)
-  ];
-  String a = null;
-
-  ProviderEchoStringParams() : super(kVersions.last.size);
-
-  static ProviderEchoStringParams deserialize(bindings.Message message) {
+    const bindings.StructDataHeader(24, 0)
+  ];
+  String name = null;
+  String value = null;
+
+  StringExtra() : super(kVersions.last.size);
+
+  static StringExtra deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoStringParams decode(bindings.Decoder decoder0) {
+  static StringExtra decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoStringParams result = new ProviderEchoStringParams();
+    StringExtra result = new StringExtra();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeString(8, false);
+      result.name = decoder0.decodeString(8, false);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.value = decoder0.decodeString(16, false);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeString(a, 8, false);
+    encoder0.encodeString(name, 8, false);
+    
+    encoder0.encodeString(value, 16, false);
   }
 
   String toString() {
-    return "ProviderEchoStringParams("
-           "a: $a" ")";
+    return "StringExtra("
+           "name: $name" ", "
+           "value: $value" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
+    map["name"] = name;
+    map["value"] = value;
     return map;
   }
 }
 
 
-class ProviderEchoStringResponseParams extends bindings.Struct {
+class ComponentName extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(16, 0)
+    const bindings.StructDataHeader(24, 0)
   ];
-  String a = null;
+  String packageName = null;
+  String className = null;
 
-  ProviderEchoStringResponseParams() : super(kVersions.last.size);
+  ComponentName() : super(kVersions.last.size);
 
-  static ProviderEchoStringResponseParams deserialize(bindings.Message message) {
+  static ComponentName deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoStringResponseParams decode(bindings.Decoder decoder0) {
+  static ComponentName decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoStringResponseParams result = new ProviderEchoStringResponseParams();
+    ComponentName result = new ComponentName();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeString(8, false);
+      result.packageName = decoder0.decodeString(8, false);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.className = decoder0.decodeString(16, false);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeString(a, 8, false);
+    encoder0.encodeString(packageName, 8, false);
+    
+    encoder0.encodeString(className, 16, false);
   }
 
   String toString() {
-    return "ProviderEchoStringResponseParams("
-           "a: $a" ")";
+    return "ComponentName("
+           "packageName: $packageName" ", "
+           "className: $className" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
+    map["packageName"] = packageName;
+    map["className"] = className;
     return map;
   }
 }
 
 
-class ProviderEchoStringsParams extends bindings.Struct {
+class Intent extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(24, 0)
+    const bindings.StructDataHeader(48, 0)
   ];
-  String a = null;
-  String b = null;
+  String action = null;
+  String url = null;
+  int flags = 0;
+  ComponentName component = null;
+  List<StringExtra> stringExtras = null;
 
-  ProviderEchoStringsParams() : super(kVersions.last.size);
+  Intent() : super(kVersions.last.size);
 
-  static ProviderEchoStringsParams deserialize(bindings.Message message) {
+  static Intent deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoStringsParams decode(bindings.Decoder decoder0) {
+  static Intent decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoStringsParams result = new ProviderEchoStringsParams();
+    Intent result = new Intent();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeString(8, false);
+      result.action = decoder0.decodeString(8, false);
     }
     if (mainDataHeader.version >= 0) {
       
-      result.b = decoder0.decodeString(16, false);
+      result.url = decoder0.decodeString(16, false);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.flags = decoder0.decodeUint32(24);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      var decoder1 = decoder0.decodePointer(32, true);
+      result.component = ComponentName.decode(decoder1);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      var decoder1 = decoder0.decodePointer(40, true);
+      if (decoder1 == null) {
+        result.stringExtras = null;
+      } else {
+        var si1 = decoder1.decodeDataHeaderForPointerArray(bindings.kUnspecifiedArrayLength);
+        result.stringExtras = new List<StringExtra>(si1.numElements);
+        for (int i1 = 0; i1 < si1.numElements; ++i1) {
+          
+          var decoder2 = decoder1.decodePointer(bindings.ArrayDataHeader.kHeaderSize + bindings.kPointerSize * i1, false);
+          result.stringExtras[i1] = StringExtra.decode(decoder2);
+        }
+      }
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeString(a, 8, false);
+    encoder0.encodeString(action, 8, false);
     
-    encoder0.encodeString(b, 16, false);
+    encoder0.encodeString(url, 16, false);
+    
+    encoder0.encodeUint32(flags, 24);
+    
+    encoder0.encodeStruct(component, 32, true);
+    
+    if (stringExtras == null) {
+      encoder0.encodeNullPointer(40, true);
+    } else {
+      var encoder1 = encoder0.encodePointerArray(stringExtras.length, 40, bindings.kUnspecifiedArrayLength);
+      for (int i0 = 0; i0 < stringExtras.length; ++i0) {
+        
+        encoder1.encodeStruct(stringExtras[i0], bindings.ArrayDataHeader.kHeaderSize + bindings.kPointerSize * i0, false);
+      }
+    }
   }
 
   String toString() {
-    return "ProviderEchoStringsParams("
-           "a: $a" ", "
-           "b: $b" ")";
+    return "Intent("
+           "action: $action" ", "
+           "url: $url" ", "
+           "flags: $flags" ", "
+           "component: $component" ", "
+           "stringExtras: $stringExtras" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
-    map["b"] = b;
+    map["action"] = action;
+    map["url"] = url;
+    map["flags"] = flags;
+    map["component"] = component;
+    map["stringExtras"] = stringExtras;
     return map;
   }
 }
 
 
-class ProviderEchoStringsResponseParams extends bindings.Struct {
+class TaskDescription extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(24, 0)
   ];
-  String a = null;
-  String b = null;
+  String label = null;
+  int primaryColor = 0;
 
-  ProviderEchoStringsResponseParams() : super(kVersions.last.size);
+  TaskDescription() : super(kVersions.last.size);
 
-  static ProviderEchoStringsResponseParams deserialize(bindings.Message message) {
+  static TaskDescription deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoStringsResponseParams decode(bindings.Decoder decoder0) {
+  static TaskDescription decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoStringsResponseParams result = new ProviderEchoStringsResponseParams();
+    TaskDescription result = new TaskDescription();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeString(8, false);
+      result.label = decoder0.decodeString(8, true);
     }
     if (mainDataHeader.version >= 0) {
       
-      result.b = decoder0.decodeString(16, false);
+      result.primaryColor = decoder0.decodeUint32(16);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeString(a, 8, false);
+    encoder0.encodeString(label, 8, true);
     
-    encoder0.encodeString(b, 16, false);
+    encoder0.encodeUint32(primaryColor, 16);
   }
 
   String toString() {
-    return "ProviderEchoStringsResponseParams("
-           "a: $a" ", "
-           "b: $b" ")";
+    return "TaskDescription("
+           "label: $label" ", "
+           "primaryColor: $primaryColor" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
-    map["b"] = b;
+    map["label"] = label;
+    map["primaryColor"] = primaryColor;
     return map;
   }
 }
 
 
-class ProviderEchoMessagePipeHandleParams extends bindings.Struct {
+class ActivityGetUserFeedbackParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
-  core.MojoMessagePipeEndpoint a = null;
+  Object userFeedback = null;
 
-  ProviderEchoMessagePipeHandleParams() : super(kVersions.last.size);
+  ActivityGetUserFeedbackParams() : super(kVersions.last.size);
 
-  static ProviderEchoMessagePipeHandleParams deserialize(bindings.Message message) {
+  static ActivityGetUserFeedbackParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoMessagePipeHandleParams decode(bindings.Decoder decoder0) {
+  static ActivityGetUserFeedbackParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoMessagePipeHandleParams result = new ProviderEchoMessagePipeHandleParams();
+    ActivityGetUserFeedbackParams result = new ActivityGetUserFeedbackParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeMessagePipeHandle(8, false);
+      result.userFeedback = decoder0.decodeInterfaceRequest(8, false, UserFeedbackStub.newFromEndpoint);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeMessagePipeHandle(a, 8, false);
+    encoder0.encodeInterfaceRequest(userFeedback, 8, false);
   }
 
   String toString() {
-    return "ProviderEchoMessagePipeHandleParams("
-           "a: $a" ")";
+    return "ActivityGetUserFeedbackParams("
+           "userFeedback: $userFeedback" ")";
   }
 
   Map toJson() {
     throw new bindings.MojoCodecError(
         'Object containing handles cannot be encoded to JSON.');
   }
 }
 
 
-class ProviderEchoMessagePipeHandleResponseParams extends bindings.Struct {
+class ActivityStartActivityParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
-  core.MojoMessagePipeEndpoint a = null;
+  Intent intent = null;
 
-  ProviderEchoMessagePipeHandleResponseParams() : super(kVersions.last.size);
+  ActivityStartActivityParams() : super(kVersions.last.size);
 
-  static ProviderEchoMessagePipeHandleResponseParams deserialize(bindings.Message message) {
+  static ActivityStartActivityParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoMessagePipeHandleResponseParams decode(bindings.Decoder decoder0) {
+  static ActivityStartActivityParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoMessagePipeHandleResponseParams result = new ProviderEchoMessagePipeHandleResponseParams();
+    ActivityStartActivityParams result = new ActivityStartActivityParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeMessagePipeHandle(8, false);
+      var decoder1 = decoder0.decodePointer(8, false);
+      result.intent = Intent.decode(decoder1);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeMessagePipeHandle(a, 8, false);
+    encoder0.encodeStruct(intent, 8, false);
   }
 
   String toString() {
-    return "ProviderEchoMessagePipeHandleResponseParams("
-           "a: $a" ")";
+    return "ActivityStartActivityParams("
+           "intent: $intent" ")";
   }
 
   Map toJson() {
-    throw new bindings.MojoCodecError(
-        'Object containing handles cannot be encoded to JSON.');
+    Map map = new Map();
+    map["intent"] = intent;
+    return map;
   }
 }
 
 
-class ProviderEchoEnumParams extends bindings.Struct {
+class ActivityFinishCurrentActivityParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(16, 0)
+    const bindings.StructDataHeader(8, 0)
   ];
-  Enum a = null;
 
-  ProviderEchoEnumParams() : super(kVersions.last.size);
+  ActivityFinishCurrentActivityParams() : super(kVersions.last.size);
 
-  static ProviderEchoEnumParams deserialize(bindings.Message message) {
+  static ActivityFinishCurrentActivityParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoEnumParams decode(bindings.Decoder decoder0) {
+  static ActivityFinishCurrentActivityParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoEnumParams result = new ProviderEchoEnumParams();
+    ActivityFinishCurrentActivityParams result = new ActivityFinishCurrentActivityParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
-    if (mainDataHeader.version >= 0) {
-      
-        result.a = Enum.decode(decoder0, 8);
-        if (result.a == null) {
-          throw new bindings.MojoCodecError(
-            'Trying to decode null union for non-nullable Enum.');
-        }
-    }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
-    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
-    
-    encoder0.encodeEnum(a, 8);
+    encoder.getStructEncoderAtOffset(kVersions.last);
   }
 
   String toString() {
-    return "ProviderEchoEnumParams("
-           "a: $a" ")";
+    return "ActivityFinishCurrentActivityParams("")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
     return map;
   }
 }
 
 
-class ProviderEchoEnumResponseParams extends bindings.Struct {
+class ActivitySetTaskDescriptionParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
-  Enum a = null;
+  TaskDescription description = null;
 
-  ProviderEchoEnumResponseParams() : super(kVersions.last.size);
+  ActivitySetTaskDescriptionParams() : super(kVersions.last.size);
 
-  static ProviderEchoEnumResponseParams deserialize(bindings.Message message) {
+  static ActivitySetTaskDescriptionParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoEnumResponseParams decode(bindings.Decoder decoder0) {
+  static ActivitySetTaskDescriptionParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoEnumResponseParams result = new ProviderEchoEnumResponseParams();
+    ActivitySetTaskDescriptionParams result = new ActivitySetTaskDescriptionParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-        result.a = Enum.decode(decoder0, 8);
-        if (result.a == null) {
-          throw new bindings.MojoCodecError(
-            'Trying to decode null union for non-nullable Enum.');
-        }
+      var decoder1 = decoder0.decodePointer(8, false);
+      result.description = TaskDescription.decode(decoder1);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeEnum(a, 8);
+    encoder0.encodeStruct(description, 8, false);
   }
 
   String toString() {
-    return "ProviderEchoEnumResponseParams("
-           "a: $a" ")";
+    return "ActivitySetTaskDescriptionParams("
+           "description: $description" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
+    map["description"] = description;
     return map;
   }
 }
 
 
-class ProviderEchoIntParams extends bindings.Struct {
+class ActivitySetSystemUiVisibilityParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
-  int a = 0;
+  SystemUiVisibility visibility = null;
 
-  ProviderEchoIntParams() : super(kVersions.last.size);
+  ActivitySetSystemUiVisibilityParams() : super(kVersions.last.size);
 
-  static ProviderEchoIntParams deserialize(bindings.Message message) {
+  static ActivitySetSystemUiVisibilityParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoIntParams decode(bindings.Decoder decoder0) {
+  static ActivitySetSystemUiVisibilityParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoIntParams result = new ProviderEchoIntParams();
+    ActivitySetSystemUiVisibilityParams result = new ActivitySetSystemUiVisibilityParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeInt32(8);
+        result.visibility = SystemUiVisibility.decode(decoder0, 8);
+        if (result.visibility == null) {
+          throw new bindings.MojoCodecError(
+            'Trying to decode null union for non-nullable SystemUiVisibility.');
+        }
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeInt32(a, 8);
+    encoder0.encodeEnum(visibility, 8);
   }
 
   String toString() {
-    return "ProviderEchoIntParams("
-           "a: $a" ")";
+    return "ActivitySetSystemUiVisibilityParams("
+           "visibility: $visibility" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
+    map["visibility"] = visibility;
     return map;
   }
 }
 
 
-class ProviderEchoIntResponseParams extends bindings.Struct {
+class ActivitySetRequestedOrientationParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
-  int a = 0;
+  ScreenOrientation orientation = null;
 
-  ProviderEchoIntResponseParams() : super(kVersions.last.size);
+  ActivitySetRequestedOrientationParams() : super(kVersions.last.size);
 
-  static ProviderEchoIntResponseParams deserialize(bindings.Message message) {
+  static ActivitySetRequestedOrientationParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static ProviderEchoIntResponseParams decode(bindings.Decoder decoder0) {
+  static ActivitySetRequestedOrientationParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    ProviderEchoIntResponseParams result = new ProviderEchoIntResponseParams();
+    ActivitySetRequestedOrientationParams result = new ActivitySetRequestedOrientationParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.a = decoder0.decodeInt32(8);
+        result.orientation = ScreenOrientation.decode(decoder0, 8);
+        if (result.orientation == null) {
+          throw new bindings.MojoCodecError(
+            'Trying to decode null union for non-nullable ScreenOrientation.');
+        }
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeInt32(a, 8);
+    encoder0.encodeEnum(orientation, 8);
   }
 
   String toString() {
-    return "ProviderEchoIntResponseParams("
-           "a: $a" ")";
+    return "ActivitySetRequestedOrientationParams("
+           "orientation: $orientation" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["a"] = a;
+    map["orientation"] = orientation;
     return map;
   }
 }
 
 
-class IntegerAccessorGetIntegerParams extends bindings.Struct {
+class PathServiceGetAppDataDirParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(8, 0)
   ];
 
-  IntegerAccessorGetIntegerParams() : super(kVersions.last.size);
+  PathServiceGetAppDataDirParams() : super(kVersions.last.size);
 
-  static IntegerAccessorGetIntegerParams deserialize(bindings.Message message) {
+  static PathServiceGetAppDataDirParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static IntegerAccessorGetIntegerParams decode(bindings.Decoder decoder0) {
+  static PathServiceGetAppDataDirParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    IntegerAccessorGetIntegerParams result = new IntegerAccessorGetIntegerParams();
+    PathServiceGetAppDataDirParams result = new PathServiceGetAppDataDirParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     encoder.getStructEncoderAtOffset(kVersions.last);
   }
 
   String toString() {
-    return "IntegerAccessorGetIntegerParams("")";
+    return "PathServiceGetAppDataDirParams("")";
   }
 
   Map toJson() {
     Map map = new Map();
     return map;
   }
 }
 
 
-class IntegerAccessorGetIntegerResponseParams extends bindings.Struct {
+class PathServiceGetAppDataDirResponseParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(16, 0),
-    const bindings.StructDataHeader(24, 2)
+    const bindings.StructDataHeader(16, 0)
   ];
-  int data = 0;
-  Enum type = null;
+  String path = null;
 
-  IntegerAccessorGetIntegerResponseParams() : super(kVersions.last.size);
+  PathServiceGetAppDataDirResponseParams() : super(kVersions.last.size);
 
-  static IntegerAccessorGetIntegerResponseParams deserialize(bindings.Message message) {
+  static PathServiceGetAppDataDirResponseParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static IntegerAccessorGetIntegerResponseParams decode(bindings.Decoder decoder0) {
+  static PathServiceGetAppDataDirResponseParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    IntegerAccessorGetIntegerResponseParams result = new IntegerAccessorGetIntegerResponseParams();
+    PathServiceGetAppDataDirResponseParams result = new PathServiceGetAppDataDirResponseParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.data = decoder0.decodeInt64(8);
-    }
-    if (mainDataHeader.version >= 2) {
-      
-        result.type = Enum.decode(decoder0, 16);
-        if (result.type == null) {
-          throw new bindings.MojoCodecError(
-            'Trying to decode null union for non-nullable Enum.');
-        }
+      result.path = decoder0.decodeString(8, false);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeInt64(data, 8);
-    
-    encoder0.encodeEnum(type, 16);
+    encoder0.encodeString(path, 8, false);
   }
 
   String toString() {
-    return "IntegerAccessorGetIntegerResponseParams("
-           "data: $data" ", "
-           "type: $type" ")";
+    return "PathServiceGetAppDataDirResponseParams("
+           "path: $path" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["data"] = data;
-    map["type"] = type;
+    map["path"] = path;
     return map;
   }
 }
 
 
-class IntegerAccessorSetIntegerParams extends bindings.Struct {
+class PathServiceGetFilesDirParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(16, 0),
-    const bindings.StructDataHeader(24, 3)
+    const bindings.StructDataHeader(8, 0)
   ];
-  int data = 0;
-  Enum type = null;
 
-  IntegerAccessorSetIntegerParams() : super(kVersions.last.size);
+  PathServiceGetFilesDirParams() : super(kVersions.last.size);
 
-  static IntegerAccessorSetIntegerParams deserialize(bindings.Message message) {
+  static PathServiceGetFilesDirParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static IntegerAccessorSetIntegerParams decode(bindings.Decoder decoder0) {
+  static PathServiceGetFilesDirParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    IntegerAccessorSetIntegerParams result = new IntegerAccessorSetIntegerParams();
+    PathServiceGetFilesDirParams result = new PathServiceGetFilesDirParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
-    if (mainDataHeader.version >= 0) {
-      
-      result.data = decoder0.decodeInt64(8);
-    }
-    if (mainDataHeader.version >= 3) {
-      
-        result.type = Enum.decode(decoder0, 16);
-        if (result.type == null) {
-          throw new bindings.MojoCodecError(
-            'Trying to decode null union for non-nullable Enum.');
-        }
-    }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
-    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
-    
-    encoder0.encodeInt64(data, 8);
-    
-    encoder0.encodeEnum(type, 16);
+    encoder.getStructEncoderAtOffset(kVersions.last);
   }
 
   String toString() {
-    return "IntegerAccessorSetIntegerParams("
-           "data: $data" ", "
-           "type: $type" ")";
+    return "PathServiceGetFilesDirParams("")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["data"] = data;
-    map["type"] = type;
     return map;
   }
 }
 
 
-class SampleInterfaceSampleMethod1Params extends bindings.Struct {
+class PathServiceGetFilesDirResponseParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(24, 0)
+    const bindings.StructDataHeader(16, 0)
   ];
-  int in1 = 0;
-  String in2 = null;
+  String path = null;
 
-  SampleInterfaceSampleMethod1Params() : super(kVersions.last.size);
+  PathServiceGetFilesDirResponseParams() : super(kVersions.last.size);
 
-  static SampleInterfaceSampleMethod1Params deserialize(bindings.Message message) {
+  static PathServiceGetFilesDirResponseParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static SampleInterfaceSampleMethod1Params decode(bindings.Decoder decoder0) {
+  static PathServiceGetFilesDirResponseParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    SampleInterfaceSampleMethod1Params result = new SampleInterfaceSampleMethod1Params();
+    PathServiceGetFilesDirResponseParams result = new PathServiceGetFilesDirResponseParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
     if (mainDataHeader.version >= 0) {
       
-      result.in1 = decoder0.decodeInt32(8);
-    }
-    if (mainDataHeader.version >= 0) {
-      
-      result.in2 = decoder0.decodeString(16, true);
+      result.path = decoder0.decodeString(8, false);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeInt32(in1, 8);
-    
-    encoder0.encodeString(in2, 16, true);
+    encoder0.encodeString(path, 8, false);
   }
 
   String toString() {
-    return "SampleInterfaceSampleMethod1Params("
-           "in1: $in1" ", "
-           "in2: $in2" ")";
+    return "PathServiceGetFilesDirResponseParams("
+           "path: $path" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["in1"] = in1;
-    map["in2"] = in2;
+    map["path"] = path;
     return map;
   }
 }
 
 
-class SampleInterfaceSampleMethod1ResponseParams extends bindings.Struct {
+class PathServiceGetCacheDirParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(24, 0)
+    const bindings.StructDataHeader(8, 0)
   ];
-  String out1 = null;
-  Enum out2 = null;
 
-  SampleInterfaceSampleMethod1ResponseParams() : super(kVersions.last.size);
+  PathServiceGetCacheDirParams() : super(kVersions.last.size);
 
-  static SampleInterfaceSampleMethod1ResponseParams deserialize(bindings.Message message) {
+  static PathServiceGetCacheDirParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static SampleInterfaceSampleMethod1ResponseParams decode(bindings.Decoder decoder0) {
+  static PathServiceGetCacheDirParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    SampleInterfaceSampleMethod1ResponseParams result = new SampleInterfaceSampleMethod1ResponseParams();
+    PathServiceGetCacheDirParams result = new PathServiceGetCacheDirParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
+    return result;
+  }
+
+  void encode(bindings.Encoder encoder) {
+    encoder.getStructEncoderAtOffset(kVersions.last);
+  }
+
+  String toString() {
+    return "PathServiceGetCacheDirParams("")";
+  }
+
+  Map toJson() {
+    Map map = new Map();
+    return map;
+  }
+}
+
+
+class PathServiceGetCacheDirResponseParams extends bindings.Struct {
+  static const List<bindings.StructDataHeader> kVersions = const [
+    const bindings.StructDataHeader(16, 0)
+  ];
+  String path = null;
+
+  PathServiceGetCacheDirResponseParams() : super(kVersions.last.size);
+
+  static PathServiceGetCacheDirResponseParams deserialize(bindings.Message message) {
+    var decoder = new bindings.Decoder(message);
+    var result = decode(decoder);
+    if (decoder.excessHandles != null) {
+      decoder.excessHandles.forEach((h) => h.close());
+    }
+    return result;
+  }
+
+  static PathServiceGetCacheDirResponseParams decode(bindings.Decoder decoder0) {
+    if (decoder0 == null) {
+      return null;
+    }
+    PathServiceGetCacheDirResponseParams result = new PathServiceGetCacheDirResponseParams();
+
+    var mainDataHeader = decoder0.decodeStructDataHeader();
+    if (mainDataHeader.version <= kVersions.last.version) {
+      // Scan in reverse order to optimize for more recent versions.
+      for (int i = kVersions.length - 1; i >= 0; --i) {
+        if (mainDataHeader.version >= kVersions[i].version) {
+          if (mainDataHeader.size == kVersions[i].size) {
+            // Found a match.
+            break;
+          }
+          throw new bindings.MojoCodecError(
+              'Header size doesn\'t correspond to known version size.');
+        }
+      }
+    } else if (mainDataHeader.size < kVersions.last.size) {
+      throw new bindings.MojoCodecError(
+        'Message newer than the last known version cannot be shorter than '
+        'required by the last known version.');
+    }
     if (mainDataHeader.version >= 0) {
       
-      result.out1 = decoder0.decodeString(8, true);
-    }
-    if (mainDataHeader.version >= 0) {
-      
-        result.out2 = Enum.decode(decoder0, 16);
-        if (result.out2 == null) {
-          throw new bindings.MojoCodecError(
-            'Trying to decode null union for non-nullable Enum.');
-        }
+      result.path = decoder0.decodeString(8, false);
     }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
     var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
     
-    encoder0.encodeString(out1, 8, true);
-    
-    encoder0.encodeEnum(out2, 16);
+    encoder0.encodeString(path, 8, false);
   }
 
   String toString() {
-    return "SampleInterfaceSampleMethod1ResponseParams("
-           "out1: $out1" ", "
-           "out2: $out2" ")";
+    return "PathServiceGetCacheDirResponseParams("
+           "path: $path" ")";
   }
 
   Map toJson() {
     Map map = new Map();
-    map["out1"] = out1;
-    map["out2"] = out2;
+    map["path"] = path;
     return map;
   }
 }
 
 
-class SampleInterfaceSampleMethod0Params extends bindings.Struct {
+class UserFeedbackPerformHapticFeedbackParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(8, 0)
+    const bindings.StructDataHeader(16, 0)
   ];
+  HapticFeedbackType type = null;
 
-  SampleInterfaceSampleMethod0Params() : super(kVersions.last.size);
+  UserFeedbackPerformHapticFeedbackParams() : super(kVersions.last.size);
 
-  static SampleInterfaceSampleMethod0Params deserialize(bindings.Message message) {
+  static UserFeedbackPerformHapticFeedbackParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static SampleInterfaceSampleMethod0Params decode(bindings.Decoder decoder0) {
+  static UserFeedbackPerformHapticFeedbackParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    SampleInterfaceSampleMethod0Params result = new SampleInterfaceSampleMethod0Params();
+    UserFeedbackPerformHapticFeedbackParams result = new UserFeedbackPerformHapticFeedbackParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
+    if (mainDataHeader.version >= 0) {
+      
+        result.type = HapticFeedbackType.decode(decoder0, 8);
+        if (result.type == null) {
+          throw new bindings.MojoCodecError(
+            'Trying to decode null union for non-nullable HapticFeedbackType.');
+        }
+    }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
-    encoder.getStructEncoderAtOffset(kVersions.last);
+    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
+    
+    encoder0.encodeEnum(type, 8);
   }
 
   String toString() {
-    return "SampleInterfaceSampleMethod0Params("")";
+    return "UserFeedbackPerformHapticFeedbackParams("
+           "type: $type" ")";
   }
 
   Map toJson() {
     Map map = new Map();
+    map["type"] = type;
     return map;
   }
 }
 
 
-class SampleInterfaceSampleMethod2Params extends bindings.Struct {
+class UserFeedbackPerformAuralFeedbackParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
-    const bindings.StructDataHeader(8, 0)
+    const bindings.StructDataHeader(16, 0)
   ];
+  AuralFeedbackType type = null;
 
-  SampleInterfaceSampleMethod2Params() : super(kVersions.last.size);
+  UserFeedbackPerformAuralFeedbackParams() : super(kVersions.last.size);
 
-  static SampleInterfaceSampleMethod2Params deserialize(bindings.Message message) {
+  static UserFeedbackPerformAuralFeedbackParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
-  static SampleInterfaceSampleMethod2Params decode(bindings.Decoder decoder0) {
+  static UserFeedbackPerformAuralFeedbackParams decode(bindings.Decoder decoder0) {
     if (decoder0 == null) {
       return null;
     }
-    SampleInterfaceSampleMethod2Params result = new SampleInterfaceSampleMethod2Params();
+    UserFeedbackPerformAuralFeedbackParams result = new UserFeedbackPerformAuralFeedbackParams();
 
     var mainDataHeader = decoder0.decodeStructDataHeader();
     if (mainDataHeader.version <= kVersions.last.version) {
       // Scan in reverse order to optimize for more recent versions.
       for (int i = kVersions.length - 1; i >= 0; --i) {
         if (mainDataHeader.version >= kVersions[i].version) {
           if (mainDataHeader.size == kVersions[i].size) {
             // Found a match.
             break;
           }
           throw new bindings.MojoCodecError(
               'Header size doesn\'t correspond to known version size.');
         }
       }
     } else if (mainDataHeader.size < kVersions.last.size) {
       throw new bindings.MojoCodecError(
         'Message newer than the last known version cannot be shorter than '
         'required by the last known version.');
     }
+    if (mainDataHeader.version >= 0) {
+      
+        result.type = AuralFeedbackType.decode(decoder0, 8);
+        if (result.type == null) {
+          throw new bindings.MojoCodecError(
+            'Trying to decode null union for non-nullable AuralFeedbackType.');
+        }
+    }
     return result;
   }
 
   void encode(bindings.Encoder encoder) {
-    encoder.getStructEncoderAtOffset(kVersions.last);
+    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
+    
+    encoder0.encodeEnum(type, 8);
   }
 
   String toString() {
-    return "SampleInterfaceSampleMethod2Params("")";
+    return "UserFeedbackPerformAuralFeedbackParams("
+           "type: $type" ")";
   }
 
   Map toJson() {
     Map map = new Map();
+    map["type"] = type;
     return map;
   }
 }
 
-const int kProvider_echoString_name = 0;
-const int kProvider_echoStrings_name = 1;
-const int kProvider_echoMessagePipeHandle_name = 2;
-const int kProvider_echoEnum_name = 3;
-const int kProvider_echoInt_name = 4;
+const int kActivity_getUserFeedback_name = 0;
+const int kActivity_startActivity_name = 1;
+const int kActivity_finishCurrentActivity_name = 2;
+const int kActivity_setTaskDescription_name = 3;
+const int kActivity_setSystemUiVisibility_name = 4;
+const int kActivity_setRequestedOrientation_name = 5;
 
-const String ProviderName =
-      'sample::Provider';
+const String ActivityName =
+      'activity::Activity';
 
-abstract class Provider {
-  dynamic echoString(String a,[Function responseFactory = null]);
-  dynamic echoStrings(String a,String b,[Function responseFactory = null]);
-  dynamic echoMessagePipeHandle(core.MojoMessagePipeEndpoint a,[Function responseFactory = null]);
-  dynamic echoEnum(Enum a,[Function responseFactory = null]);
-  dynamic echoInt(int a,[Function responseFactory = null]);
+abstract class Activity {
+  void getUserFeedback(Object userFeedback);
+  void startActivity(Intent intent);
+  void finishCurrentActivity();
+  void setTaskDescription(TaskDescription description);
+  void setSystemUiVisibility(SystemUiVisibility visibility);
+  void setRequestedOrientation(ScreenOrientation orientation);
 
 }
 
 
-class ProviderProxyImpl extends bindings.Proxy {
-  ProviderProxyImpl.fromEndpoint(
+class ActivityProxyImpl extends bindings.Proxy {
+  ActivityProxyImpl.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) : super.fromEndpoint(endpoint);
 
-  ProviderProxyImpl.fromHandle(core.MojoHandle handle) :
+  ActivityProxyImpl.fromHandle(core.MojoHandle handle) :
       super.fromHandle(handle);
 
-  ProviderProxyImpl.unbound() : super.unbound();
+  ActivityProxyImpl.unbound() : super.unbound();
 
-  static ProviderProxyImpl newFromEndpoint(
+  static ActivityProxyImpl newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For ProviderProxyImpl"));
-    return new ProviderProxyImpl.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For ActivityProxyImpl"));
+    return new ActivityProxyImpl.fromEndpoint(endpoint);
   }
 
-  String get name => ProviderName;
+  String get name => ActivityName;
 
   void handleResponse(bindings.ServiceMessage message) {
     switch (message.header.type) {
-      case kProvider_echoString_name:
-        var r = ProviderEchoStringResponseParams.deserialize(
-            message.payload);
-        if (!message.header.hasRequestId) {
-          proxyError("Expected a message with a valid request Id.");
-          return;
-        }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
-          proxyError(
-              "Message had unknown request Id: ${message.header.requestId}");
-          return;
-        }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
-        break;
-      case kProvider_echoStrings_name:
-        var r = ProviderEchoStringsResponseParams.deserialize(
-            message.payload);
-        if (!message.header.hasRequestId) {
-          proxyError("Expected a message with a valid request Id.");
-          return;
-        }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
-          proxyError(
-              "Message had unknown request Id: ${message.header.requestId}");
-          return;
-        }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
-        break;
-      case kProvider_echoMessagePipeHandle_name:
-        var r = ProviderEchoMessagePipeHandleResponseParams.deserialize(
-            message.payload);
-        if (!message.header.hasRequestId) {
-          proxyError("Expected a message with a valid request Id.");
-          return;
-        }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
-          proxyError(
-              "Message had unknown request Id: ${message.header.requestId}");
-          return;
-        }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
-        break;
-      case kProvider_echoEnum_name:
-        var r = ProviderEchoEnumResponseParams.deserialize(
-            message.payload);
-        if (!message.header.hasRequestId) {
-          proxyError("Expected a message with a valid request Id.");
-          return;
-        }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
-          proxyError(
-              "Message had unknown request Id: ${message.header.requestId}");
-          return;
-        }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
-        break;
-      case kProvider_echoInt_name:
-        var r = ProviderEchoIntResponseParams.deserialize(
-            message.payload);
-        if (!message.header.hasRequestId) {
-          proxyError("Expected a message with a valid request Id.");
-          return;
-        }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
-          proxyError(
-              "Message had unknown request Id: ${message.header.requestId}");
-          return;
-        }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
-        break;
       default:
         proxyError("Unexpected message type: ${message.header.type}");
         close(immediate: true);
         break;
     }
   }
 
   String toString() {
     var superString = super.toString();
-    return "ProviderProxyImpl($superString)";
+    return "ActivityProxyImpl($superString)";
   }
 }
 
 
-class _ProviderProxyCalls implements Provider {
-  ProviderProxyImpl _proxyImpl;
+class _ActivityProxyCalls implements Activity {
+  ActivityProxyImpl _proxyImpl;
 
-  _ProviderProxyCalls(this._proxyImpl);
-    dynamic echoString(String a,[Function responseFactory = null]) {
-      var params = new ProviderEchoStringParams();
-      params.a = a;
-      return _proxyImpl.sendMessageWithRequestId(
-          params,
-          kProvider_echoString_name,
-          -1,
-          bindings.MessageHeader.kMessageExpectsResponse);
+  _ActivityProxyCalls(this._proxyImpl);
+    void getUserFeedback(Object userFeedback) {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new ActivityGetUserFeedbackParams();
+      params.userFeedback = userFeedback;
+      _proxyImpl.sendMessage(params, kActivity_getUserFeedback_name);
     }
-    dynamic echoStrings(String a,String b,[Function responseFactory = null]) {
-      var params = new ProviderEchoStringsParams();
-      params.a = a;
-      params.b = b;
-      return _proxyImpl.sendMessageWithRequestId(
-          params,
-          kProvider_echoStrings_name,
-          -1,
-          bindings.MessageHeader.kMessageExpectsResponse);
+  
+    void startActivity(Intent intent) {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new ActivityStartActivityParams();
+      params.intent = intent;
+      _proxyImpl.sendMessage(params, kActivity_startActivity_name);
     }
-    dynamic echoMessagePipeHandle(core.MojoMessagePipeEndpoint a,[Function responseFactory = null]) {
-      var params = new ProviderEchoMessagePipeHandleParams();
-      params.a = a;
-      return _proxyImpl.sendMessageWithRequestId(
-          params,
-          kProvider_echoMessagePipeHandle_name,
-          -1,
-          bindings.MessageHeader.kMessageExpectsResponse);
+  
+    void finishCurrentActivity() {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new ActivityFinishCurrentActivityParams();
+      _proxyImpl.sendMessage(params, kActivity_finishCurrentActivity_name);
     }
-    dynamic echoEnum(Enum a,[Function responseFactory = null]) {
-      var params = new ProviderEchoEnumParams();
-      params.a = a;
-      return _proxyImpl.sendMessageWithRequestId(
-          params,
-          kProvider_echoEnum_name,
-          -1,
-          bindings.MessageHeader.kMessageExpectsResponse);
+  
+    void setTaskDescription(TaskDescription description) {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new ActivitySetTaskDescriptionParams();
+      params.description = description;
+      _proxyImpl.sendMessage(params, kActivity_setTaskDescription_name);
     }
-    dynamic echoInt(int a,[Function responseFactory = null]) {
-      var params = new ProviderEchoIntParams();
-      params.a = a;
-      return _proxyImpl.sendMessageWithRequestId(
-          params,
-          kProvider_echoInt_name,
-          -1,
-          bindings.MessageHeader.kMessageExpectsResponse);
+  
+    void setSystemUiVisibility(SystemUiVisibility visibility) {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new ActivitySetSystemUiVisibilityParams();
+      params.visibility = visibility;
+      _proxyImpl.sendMessage(params, kActivity_setSystemUiVisibility_name);
     }
+  
+    void setRequestedOrientation(ScreenOrientation orientation) {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new ActivitySetRequestedOrientationParams();
+      params.orientation = orientation;
+      _proxyImpl.sendMessage(params, kActivity_setRequestedOrientation_name);
+    }
+  
 }
 
 
-class ProviderProxy implements bindings.ProxyBase {
+class ActivityProxy implements bindings.ProxyBase {
   final bindings.Proxy impl;
-  Provider ptr;
-  final String name = ProviderName;
+  Activity ptr;
+  final String name = ActivityName;
 
-  ProviderProxy(ProviderProxyImpl proxyImpl) :
+  ActivityProxy(ActivityProxyImpl proxyImpl) :
       impl = proxyImpl,
-      ptr = new _ProviderProxyCalls(proxyImpl);
+      ptr = new _ActivityProxyCalls(proxyImpl);
 
-  ProviderProxy.fromEndpoint(
+  ActivityProxy.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) :
-      impl = new ProviderProxyImpl.fromEndpoint(endpoint) {
-    ptr = new _ProviderProxyCalls(impl);
+      impl = new ActivityProxyImpl.fromEndpoint(endpoint) {
+    ptr = new _ActivityProxyCalls(impl);
   }
 
-  ProviderProxy.fromHandle(core.MojoHandle handle) :
-      impl = new ProviderProxyImpl.fromHandle(handle) {
-    ptr = new _ProviderProxyCalls(impl);
+  ActivityProxy.fromHandle(core.MojoHandle handle) :
+      impl = new ActivityProxyImpl.fromHandle(handle) {
+    ptr = new _ActivityProxyCalls(impl);
   }
 
-  ProviderProxy.unbound() :
-      impl = new ProviderProxyImpl.unbound() {
-    ptr = new _ProviderProxyCalls(impl);
+  ActivityProxy.unbound() :
+      impl = new ActivityProxyImpl.unbound() {
+    ptr = new _ActivityProxyCalls(impl);
   }
 
-  factory ProviderProxy.connectToService(
+  factory ActivityProxy.connectToService(
       bindings.ServiceConnector s, String url) {
-    ProviderProxy p = new ProviderProxy.unbound();
+    ActivityProxy p = new ActivityProxy.unbound();
     s.connectToService(url, p);
     return p;
   }
 
-  static ProviderProxy newFromEndpoint(
+  static ActivityProxy newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For ProviderProxy"));
-    return new ProviderProxy.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For ActivityProxy"));
+    return new ActivityProxy.fromEndpoint(endpoint);
   }
 
   Future close({bool immediate: false}) => impl.close(immediate: immediate);
 
   Future responseOrError(Future f) => impl.responseOrError(f);
 
   Future get errorFuture => impl.errorFuture;
 
   int get version => impl.version;
 
   Future<int> queryVersion() => impl.queryVersion();
 
   void requireVersion(int requiredVersion) {
     impl.requireVersion(requiredVersion);
   }
 
   String toString() {
-    return "ProviderProxy($impl)";
+    return "ActivityProxy($impl)";
   }
 }
 
 
-class ProviderStub extends bindings.Stub {
-  Provider _impl = null;
+class ActivityStub extends bindings.Stub {
+  Activity _impl = null;
 
-  ProviderStub.fromEndpoint(
+  ActivityStub.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint, [this._impl])
       : super.fromEndpoint(endpoint);
 
-  ProviderStub.fromHandle(core.MojoHandle handle, [this._impl])
+  ActivityStub.fromHandle(core.MojoHandle handle, [this._impl])
       : super.fromHandle(handle);
 
-  ProviderStub.unbound() : super.unbound();
+  ActivityStub.unbound() : super.unbound();
 
-  static ProviderStub newFromEndpoint(
+  static ActivityStub newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For ProviderStub"));
-    return new ProviderStub.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For ActivityStub"));
+    return new ActivityStub.fromEndpoint(endpoint);
   }
 
-  static const String name = ProviderName;
+  static const String name = ActivityName;
 
 
-  ProviderEchoStringResponseParams _ProviderEchoStringResponseParamsFactory(String a) {
-    var mojo_factory_result = new ProviderEchoStringResponseParams();
-    mojo_factory_result.a = a;
-    return mojo_factory_result;
-  }
-  ProviderEchoStringsResponseParams _ProviderEchoStringsResponseParamsFactory(String a, String b) {
-    var mojo_factory_result = new ProviderEchoStringsResponseParams();
-    mojo_factory_result.a = a;
-    mojo_factory_result.b = b;
-    return mojo_factory_result;
-  }
-  ProviderEchoMessagePipeHandleResponseParams _ProviderEchoMessagePipeHandleResponseParamsFactory(core.MojoMessagePipeEndpoint a) {
-    var mojo_factory_result = new ProviderEchoMessagePipeHandleResponseParams();
-    mojo_factory_result.a = a;
-    return mojo_factory_result;
-  }
-  ProviderEchoEnumResponseParams _ProviderEchoEnumResponseParamsFactory(Enum a) {
-    var mojo_factory_result = new ProviderEchoEnumResponseParams();
-    mojo_factory_result.a = a;
-    return mojo_factory_result;
-  }
-  ProviderEchoIntResponseParams _ProviderEchoIntResponseParamsFactory(int a) {
-    var mojo_factory_result = new ProviderEchoIntResponseParams();
-    mojo_factory_result.a = a;
-    return mojo_factory_result;
-  }
 
   dynamic handleMessage(bindings.ServiceMessage message) {
     if (bindings.ControlMessageHandler.isControlMessage(message)) {
       return bindings.ControlMessageHandler.handleMessage(this,
                                                           0,
                                                           message);
     }
     assert(_impl != null);
     switch (message.header.type) {
-      case kProvider_echoString_name:
-        var params = ProviderEchoStringParams.deserialize(
+      case kActivity_getUserFeedback_name:
+        var params = ActivityGetUserFeedbackParams.deserialize(
             message.payload);
-        var response = _impl.echoString(params.a,_ProviderEchoStringResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  kProvider_echoString_name,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              kProvider_echoString_name,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.getUserFeedback(params.userFeedback);
         break;
-      case kProvider_echoStrings_name:
-        var params = ProviderEchoStringsParams.deserialize(
+      case kActivity_startActivity_name:
+        var params = ActivityStartActivityParams.deserialize(
             message.payload);
-        var response = _impl.echoStrings(params.a,params.b,_ProviderEchoStringsResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  kProvider_echoStrings_name,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              kProvider_echoStrings_name,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.startActivity(params.intent);
         break;
-      case kProvider_echoMessagePipeHandle_name:
-        var params = ProviderEchoMessagePipeHandleParams.deserialize(
+      case kActivity_finishCurrentActivity_name:
+        var params = ActivityFinishCurrentActivityParams.deserialize(
             message.payload);
-        var response = _impl.echoMessagePipeHandle(params.a,_ProviderEchoMessagePipeHandleResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  kProvider_echoMessagePipeHandle_name,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              kProvider_echoMessagePipeHandle_name,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.finishCurrentActivity();
         break;
-      case kProvider_echoEnum_name:
-        var params = ProviderEchoEnumParams.deserialize(
+      case kActivity_setTaskDescription_name:
+        var params = ActivitySetTaskDescriptionParams.deserialize(
             message.payload);
-        var response = _impl.echoEnum(params.a,_ProviderEchoEnumResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  kProvider_echoEnum_name,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              kProvider_echoEnum_name,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.setTaskDescription(params.description);
         break;
-      case kProvider_echoInt_name:
-        var params = ProviderEchoIntParams.deserialize(
+      case kActivity_setSystemUiVisibility_name:
+        var params = ActivitySetSystemUiVisibilityParams.deserialize(
             message.payload);
-        var response = _impl.echoInt(params.a,_ProviderEchoIntResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  kProvider_echoInt_name,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              kProvider_echoInt_name,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.setSystemUiVisibility(params.visibility);
+        break;
+      case kActivity_setRequestedOrientation_name:
+        var params = ActivitySetRequestedOrientationParams.deserialize(
+            message.payload);
+        _impl.setRequestedOrientation(params.orientation);
         break;
       default:
         throw new bindings.MojoCodecError("Unexpected message name");
         break;
     }
     return null;
   }
 
-  Provider get impl => _impl;
-  set impl(Provider d) {
+  Activity get impl => _impl;
+  set impl(Activity d) {
     assert(_impl == null);
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
-    return "ProviderStub($superString)";
+    return "ActivityStub($superString)";
   }
 
   int get version => 0;
 }
 
-const int kIntegerAccessor_getInteger_name = 0;
-const int kIntegerAccessor_setInteger_name = 1;
+const int kPathService_getAppDataDir_name = 0;
+const int kPathService_getFilesDir_name = 1;
+const int kPathService_getCacheDir_name = 2;
 
-const String IntegerAccessorName =
-      'sample::IntegerAccessor';
+const String PathServiceName =
+      'activity::PathService';
 
-abstract class IntegerAccessor {
-  dynamic getInteger([Function responseFactory = null]);
-  void setInteger(int data, Enum type);
+abstract class PathService {
+  dynamic getAppDataDir([Function responseFactory = null]);
+  dynamic getFilesDir([Function responseFactory = null]);
+  dynamic getCacheDir([Function responseFactory = null]);
 
 }
 
 
-class IntegerAccessorProxyImpl extends bindings.Proxy {
-  IntegerAccessorProxyImpl.fromEndpoint(
+class PathServiceProxyImpl extends bindings.Proxy {
+  PathServiceProxyImpl.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) : super.fromEndpoint(endpoint);
 
-  IntegerAccessorProxyImpl.fromHandle(core.MojoHandle handle) :
+  PathServiceProxyImpl.fromHandle(core.MojoHandle handle) :
       super.fromHandle(handle);
 
-  IntegerAccessorProxyImpl.unbound() : super.unbound();
+  PathServiceProxyImpl.unbound() : super.unbound();
 
-  static IntegerAccessorProxyImpl newFromEndpoint(
+  static PathServiceProxyImpl newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For IntegerAccessorProxyImpl"));
-    return new IntegerAccessorProxyImpl.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For PathServiceProxyImpl"));
+    return new PathServiceProxyImpl.fromEndpoint(endpoint);
   }
 
-  String get name => IntegerAccessorName;
+  String get name => PathServiceName;
 
   void handleResponse(bindings.ServiceMessage message) {
     switch (message.header.type) {
-      case kIntegerAccessor_getInteger_name:
-        var r = IntegerAccessorGetIntegerResponseParams.deserialize(
+      case kPathService_getAppDataDir_name:
+        var r = PathServiceGetAppDataDirResponseParams.deserialize(
             message.payload);
         if (!message.header.hasRequestId) {
           proxyError("Expected a message with a valid request Id.");
+          return;
+        }
+        Completer c = completerMap[message.header.requestId];
+        if (c == null) {
+          proxyError(
+              "Message had unknown request Id: ${message.header.requestId}");
+          return;
+        }
+        completerMap.remove(message.header.requestId);
+        if (c.isCompleted) {
+          proxyError("Response completer already completed");
+          return;
+        }
+        c.complete(r);
+        break;
+      case kPathService_getFilesDir_name:
+        var r = PathServiceGetFilesDirResponseParams.deserialize(
+            message.payload);
+        if (!message.header.hasRequestId) {
+          proxyError("Expected a message with a valid request Id.");
+          return;
+        }
+        Completer c = completerMap[message.header.requestId];
+        if (c == null) {
+          proxyError(
+              "Message had unknown request Id: ${message.header.requestId}");
+          return;
+        }
+        completerMap.remove(message.header.requestId);
+        if (c.isCompleted) {
+          proxyError("Response completer already completed");
+          return;
+        }
+        c.complete(r);
+        break;
+      case kPathService_getCacheDir_name:
+        var r = PathServiceGetCacheDirResponseParams.deserialize(
+            message.payload);
+        if (!message.header.hasRequestId) {
+          proxyError("Expected a message with a valid request Id.");
           return;
         }
         Completer c = completerMap[message.header.requestId];
         if (c == null) {
           proxyError(
               "Message had unknown request Id: ${message.header.requestId}");
           return;
         }
         completerMap.remove(message.header.requestId);
         if (c.isCompleted) {
           proxyError("Response completer already completed");
           return;
         }
         c.complete(r);
         break;
       default:
         proxyError("Unexpected message type: ${message.header.type}");
         close(immediate: true);
         break;
     }
   }
 
   String toString() {
     var superString = super.toString();
-    return "IntegerAccessorProxyImpl($superString)";
+    return "PathServiceProxyImpl($superString)";
   }
 }
 
 
-class _IntegerAccessorProxyCalls implements IntegerAccessor {
-  IntegerAccessorProxyImpl _proxyImpl;
+class _PathServiceProxyCalls implements PathService {
+  PathServiceProxyImpl _proxyImpl;
 
-  _IntegerAccessorProxyCalls(this._proxyImpl);
-    dynamic getInteger([Function responseFactory = null]) {
-      var params = new IntegerAccessorGetIntegerParams();
+  _PathServiceProxyCalls(this._proxyImpl);
+    dynamic getAppDataDir([Function responseFactory = null]) {
+      var params = new PathServiceGetAppDataDirParams();
       return _proxyImpl.sendMessageWithRequestId(
           params,
-          kIntegerAccessor_getInteger_name,
+          kPathService_getAppDataDir_name,
           -1,
           bindings.MessageHeader.kMessageExpectsResponse);
     }
-    void setInteger(int data, Enum type) {
-      if (!_proxyImpl.isBound) {
-        _proxyImpl.proxyError("The Proxy is closed.");
-        return;
-      }
-      var params = new IntegerAccessorSetIntegerParams();
-      params.data = data;
-      params.type = type;
-      _proxyImpl.sendMessage(params, kIntegerAccessor_setInteger_name);
+    dynamic getFilesDir([Function responseFactory = null]) {
+      var params = new PathServiceGetFilesDirParams();
+      return _proxyImpl.sendMessageWithRequestId(
+          params,
+          kPathService_getFilesDir_name,
+          -1,
+          bindings.MessageHeader.kMessageExpectsResponse);
     }
-  
+    dynamic getCacheDir([Function responseFactory = null]) {
+      var params = new PathServiceGetCacheDirParams();
+      return _proxyImpl.sendMessageWithRequestId(
+          params,
+          kPathService_getCacheDir_name,
+          -1,
+          bindings.MessageHeader.kMessageExpectsResponse);
+    }
 }
 
 
-class IntegerAccessorProxy implements bindings.ProxyBase {
+class PathServiceProxy implements bindings.ProxyBase {
   final bindings.Proxy impl;
-  IntegerAccessor ptr;
-  final String name = IntegerAccessorName;
+  PathService ptr;
+  final String name = PathServiceName;
 
-  IntegerAccessorProxy(IntegerAccessorProxyImpl proxyImpl) :
+  PathServiceProxy(PathServiceProxyImpl proxyImpl) :
       impl = proxyImpl,
-      ptr = new _IntegerAccessorProxyCalls(proxyImpl);
+      ptr = new _PathServiceProxyCalls(proxyImpl);
 
-  IntegerAccessorProxy.fromEndpoint(
+  PathServiceProxy.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) :
-      impl = new IntegerAccessorProxyImpl.fromEndpoint(endpoint) {
-    ptr = new _IntegerAccessorProxyCalls(impl);
+      impl = new PathServiceProxyImpl.fromEndpoint(endpoint) {
+    ptr = new _PathServiceProxyCalls(impl);
   }
 
-  IntegerAccessorProxy.fromHandle(core.MojoHandle handle) :
-      impl = new IntegerAccessorProxyImpl.fromHandle(handle) {
-    ptr = new _IntegerAccessorProxyCalls(impl);
+  PathServiceProxy.fromHandle(core.MojoHandle handle) :
+      impl = new PathServiceProxyImpl.fromHandle(handle) {
+    ptr = new _PathServiceProxyCalls(impl);
   }
 
-  IntegerAccessorProxy.unbound() :
-      impl = new IntegerAccessorProxyImpl.unbound() {
-    ptr = new _IntegerAccessorProxyCalls(impl);
+  PathServiceProxy.unbound() :
+      impl = new PathServiceProxyImpl.unbound() {
+    ptr = new _PathServiceProxyCalls(impl);
   }
 
-  factory IntegerAccessorProxy.connectToService(
+  factory PathServiceProxy.connectToService(
       bindings.ServiceConnector s, String url) {
-    IntegerAccessorProxy p = new IntegerAccessorProxy.unbound();
+    PathServiceProxy p = new PathServiceProxy.unbound();
     s.connectToService(url, p);
     return p;
   }
 
-  static IntegerAccessorProxy newFromEndpoint(
+  static PathServiceProxy newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For IntegerAccessorProxy"));
-    return new IntegerAccessorProxy.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For PathServiceProxy"));
+    return new PathServiceProxy.fromEndpoint(endpoint);
   }
 
   Future close({bool immediate: false}) => impl.close(immediate: immediate);
 
   Future responseOrError(Future f) => impl.responseOrError(f);
 
   Future get errorFuture => impl.errorFuture;
 
   int get version => impl.version;
 
   Future<int> queryVersion() => impl.queryVersion();
 
   void requireVersion(int requiredVersion) {
     impl.requireVersion(requiredVersion);
   }
 
   String toString() {
-    return "IntegerAccessorProxy($impl)";
+    return "PathServiceProxy($impl)";
   }
 }
 
 
-class IntegerAccessorStub extends bindings.Stub {
-  IntegerAccessor _impl = null;
+class PathServiceStub extends bindings.Stub {
+  PathService _impl = null;
 
-  IntegerAccessorStub.fromEndpoint(
+  PathServiceStub.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint, [this._impl])
       : super.fromEndpoint(endpoint);
 
-  IntegerAccessorStub.fromHandle(core.MojoHandle handle, [this._impl])
+  PathServiceStub.fromHandle(core.MojoHandle handle, [this._impl])
       : super.fromHandle(handle);
 
-  IntegerAccessorStub.unbound() : super.unbound();
+  PathServiceStub.unbound() : super.unbound();
 
-  static IntegerAccessorStub newFromEndpoint(
+  static PathServiceStub newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For IntegerAccessorStub"));
-    return new IntegerAccessorStub.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For PathServiceStub"));
+    return new PathServiceStub.fromEndpoint(endpoint);
   }
 
-  static const String name = IntegerAccessorName;
+  static const String name = PathServiceName;
 
 
-  IntegerAccessorGetIntegerResponseParams _IntegerAccessorGetIntegerResponseParamsFactory(int data, Enum type) {
-    var mojo_factory_result = new IntegerAccessorGetIntegerResponseParams();
-    mojo_factory_result.data = data;
-    mojo_factory_result.type = type;
+  PathServiceGetAppDataDirResponseParams _PathServiceGetAppDataDirResponseParamsFactory(String path) {
+    var mojo_factory_result = new PathServiceGetAppDataDirResponseParams();
+    mojo_factory_result.path = path;
+    return mojo_factory_result;
+  }
+  PathServiceGetFilesDirResponseParams _PathServiceGetFilesDirResponseParamsFactory(String path) {
+    var mojo_factory_result = new PathServiceGetFilesDirResponseParams();
+    mojo_factory_result.path = path;
+    return mojo_factory_result;
+  }
+  PathServiceGetCacheDirResponseParams _PathServiceGetCacheDirResponseParamsFactory(String path) {
+    var mojo_factory_result = new PathServiceGetCacheDirResponseParams();
+    mojo_factory_result.path = path;
     return mojo_factory_result;
   }
 
   dynamic handleMessage(bindings.ServiceMessage message) {
     if (bindings.ControlMessageHandler.isControlMessage(message)) {
       return bindings.ControlMessageHandler.handleMessage(this,
-                                                          3,
+                                                          0,
                                                           message);
     }
     assert(_impl != null);
     switch (message.header.type) {
-      case kIntegerAccessor_getInteger_name:
-        var params = IntegerAccessorGetIntegerParams.deserialize(
+      case kPathService_getAppDataDir_name:
+        var params = PathServiceGetAppDataDirParams.deserialize(
             message.payload);
-        var response = _impl.getInteger(_IntegerAccessorGetIntegerResponseParamsFactory);
+        var response = _impl.getAppDataDir(_PathServiceGetAppDataDirResponseParamsFactory);
         if (response is Future) {
           return response.then((response) {
             if (response != null) {
               return buildResponseWithId(
                   response,
-                  kIntegerAccessor_getInteger_name,
+                  kPathService_getAppDataDir_name,
                   message.header.requestId,
                   bindings.MessageHeader.kMessageIsResponse);
             }
           });
         } else if (response != null) {
           return buildResponseWithId(
               response,
-              kIntegerAccessor_getInteger_name,
+              kPathService_getAppDataDir_name,
               message.header.requestId,
               bindings.MessageHeader.kMessageIsResponse);
         }
         break;
-      case kIntegerAccessor_setInteger_name:
-        var params = IntegerAccessorSetIntegerParams.deserialize(
+      case kPathService_getFilesDir_name:
+        var params = PathServiceGetFilesDirParams.deserialize(
             message.payload);
-        _impl.setInteger(params.data, params.type);
+        var response = _impl.getFilesDir(_PathServiceGetFilesDirResponseParamsFactory);
+        if (response is Future) {
+          return response.then((response) {
+            if (response != null) {
+              return buildResponseWithId(
+                  response,
+                  kPathService_getFilesDir_name,
+                  message.header.requestId,
+                  bindings.MessageHeader.kMessageIsResponse);
+            }
+          });
+        } else if (response != null) {
+          return buildResponseWithId(
+              response,
+              kPathService_getFilesDir_name,
+              message.header.requestId,
+              bindings.MessageHeader.kMessageIsResponse);
+        }
+        break;
+      case kPathService_getCacheDir_name:
+        var params = PathServiceGetCacheDirParams.deserialize(
+            message.payload);
+        var response = _impl.getCacheDir(_PathServiceGetCacheDirResponseParamsFactory);
+        if (response is Future) {
+          return response.then((response) {
+            if (response != null) {
+              return buildResponseWithId(
+                  response,
+                  kPathService_getCacheDir_name,
+                  message.header.requestId,
+                  bindings.MessageHeader.kMessageIsResponse);
+            }
+          });
+        } else if (response != null) {
+          return buildResponseWithId(
+              response,
+              kPathService_getCacheDir_name,
+              message.header.requestId,
+              bindings.MessageHeader.kMessageIsResponse);
+        }
         break;
       default:
         throw new bindings.MojoCodecError("Unexpected message name");
         break;
     }
     return null;
   }
 
-  IntegerAccessor get impl => _impl;
-  set impl(IntegerAccessor d) {
+  PathService get impl => _impl;
+  set impl(PathService d) {
     assert(_impl == null);
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
-    return "IntegerAccessorStub($superString)";
+    return "PathServiceStub($superString)";
   }
 
-  int get version => 3;
+  int get version => 0;
 }
 
-const int kSampleInterface_sampleMethod1_name = 1;
-const int kSampleInterface_sampleMethod0_name = 0;
-const int kSampleInterface_sampleMethod2_name = 2;
+const int kUserFeedback_performHapticFeedback_name = 0;
+const int kUserFeedback_performAuralFeedback_name = 1;
 
-const String SampleInterfaceName =
-      'sample::SampleInterface';
+const String UserFeedbackName =
+      'activity::UserFeedback';
 
-abstract class SampleInterface {
-  dynamic sampleMethod1(int in1,String in2,[Function responseFactory = null]);
-  void sampleMethod0();
-  void sampleMethod2();
+abstract class UserFeedback {
+  void performHapticFeedback(HapticFeedbackType type);
+  void performAuralFeedback(AuralFeedbackType type);
 
 }
 
 
-class SampleInterfaceProxyImpl extends bindings.Proxy {
-  SampleInterfaceProxyImpl.fromEndpoint(
+class UserFeedbackProxyImpl extends bindings.Proxy {
+  UserFeedbackProxyImpl.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) : super.fromEndpoint(endpoint);
 
-  SampleInterfaceProxyImpl.fromHandle(core.MojoHandle handle) :
+  UserFeedbackProxyImpl.fromHandle(core.MojoHandle handle) :
       super.fromHandle(handle);
 
-  SampleInterfaceProxyImpl.unbound() : super.unbound();
+  UserFeedbackProxyImpl.unbound() : super.unbound();
 
-  static SampleInterfaceProxyImpl newFromEndpoint(
+  static UserFeedbackProxyImpl newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For SampleInterfaceProxyImpl"));
-    return new SampleInterfaceProxyImpl.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For UserFeedbackProxyImpl"));
+    return new UserFeedbackProxyImpl.fromEndpoint(endpoint);
   }
 
-  String get name => SampleInterfaceName;
+  String get name => UserFeedbackName;
 
   void handleResponse(bindings.ServiceMessage message) {
     switch (message.header.type) {
-      case kSampleInterface_sampleMethod1_name:
-        var r = SampleInterfaceSampleMethod1ResponseParams.deserialize(
-            message.payload);
-        if (!message.header.hasRequestId) {
-          proxyError("Expected a message with a valid request Id.");
-          return;
-        }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
-          proxyError(
-              "Message had unknown request Id: ${message.header.requestId}");
-          return;
-        }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
-        break;
       default:
         proxyError("Unexpected message type: ${message.header.type}");
         close(immediate: true);
         break;
     }
   }
 
   String toString() {
     var superString = super.toString();
-    return "SampleInterfaceProxyImpl($superString)";
+    return "UserFeedbackProxyImpl($superString)";
   }
 }
 
 
-class _SampleInterfaceProxyCalls implements SampleInterface {
-  SampleInterfaceProxyImpl _proxyImpl;
+class _UserFeedbackProxyCalls implements UserFeedback {
+  UserFeedbackProxyImpl _proxyImpl;
 
-  _SampleInterfaceProxyCalls(this._proxyImpl);
-    dynamic sampleMethod1(int in1,String in2,[Function responseFactory = null]) {
-      var params = new SampleInterfaceSampleMethod1Params();
-      params.in1 = in1;
-      params.in2 = in2;
-      return _proxyImpl.sendMessageWithRequestId(
-          params,
-          kSampleInterface_sampleMethod1_name,
-          -1,
-          bindings.MessageHeader.kMessageExpectsResponse);
-    }
-    void sampleMethod0() {
+  _UserFeedbackProxyCalls(this._proxyImpl);
+    void performHapticFeedback(HapticFeedbackType type) {
       if (!_proxyImpl.isBound) {
         _proxyImpl.proxyError("The Proxy is closed.");
         return;
       }
-      var params = new SampleInterfaceSampleMethod0Params();
-      _proxyImpl.sendMessage(params, kSampleInterface_sampleMethod0_name);
+      var params = new UserFeedbackPerformHapticFeedbackParams();
+      params.type = type;
+      _proxyImpl.sendMessage(params, kUserFeedback_performHapticFeedback_name);
     }
   
-    void sampleMethod2() {
+    void performAuralFeedback(AuralFeedbackType type) {
       if (!_proxyImpl.isBound) {
         _proxyImpl.proxyError("The Proxy is closed.");
         return;
       }
-      var params = new SampleInterfaceSampleMethod2Params();
-      _proxyImpl.sendMessage(params, kSampleInterface_sampleMethod2_name);
+      var params = new UserFeedbackPerformAuralFeedbackParams();
+      params.type = type;
+      _proxyImpl.sendMessage(params, kUserFeedback_performAuralFeedback_name);
     }
   
 }
 
 
-class SampleInterfaceProxy implements bindings.ProxyBase {
+class UserFeedbackProxy implements bindings.ProxyBase {
   final bindings.Proxy impl;
-  SampleInterface ptr;
-  final String name = SampleInterfaceName;
+  UserFeedback ptr;
+  final String name = UserFeedbackName;
 
-  SampleInterfaceProxy(SampleInterfaceProxyImpl proxyImpl) :
+  UserFeedbackProxy(UserFeedbackProxyImpl proxyImpl) :
       impl = proxyImpl,
-      ptr = new _SampleInterfaceProxyCalls(proxyImpl);
+      ptr = new _UserFeedbackProxyCalls(proxyImpl);
 
-  SampleInterfaceProxy.fromEndpoint(
+  UserFeedbackProxy.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) :
-      impl = new SampleInterfaceProxyImpl.fromEndpoint(endpoint) {
-    ptr = new _SampleInterfaceProxyCalls(impl);
+      impl = new UserFeedbackProxyImpl.fromEndpoint(endpoint) {
+    ptr = new _UserFeedbackProxyCalls(impl);
   }
 
-  SampleInterfaceProxy.fromHandle(core.MojoHandle handle) :
-      impl = new SampleInterfaceProxyImpl.fromHandle(handle) {
-    ptr = new _SampleInterfaceProxyCalls(impl);
+  UserFeedbackProxy.fromHandle(core.MojoHandle handle) :
+      impl = new UserFeedbackProxyImpl.fromHandle(handle) {
+    ptr = new _UserFeedbackProxyCalls(impl);
   }
 
-  SampleInterfaceProxy.unbound() :
-      impl = new SampleInterfaceProxyImpl.unbound() {
-    ptr = new _SampleInterfaceProxyCalls(impl);
+  UserFeedbackProxy.unbound() :
+      impl = new UserFeedbackProxyImpl.unbound() {
+    ptr = new _UserFeedbackProxyCalls(impl);
   }
 
-  factory SampleInterfaceProxy.connectToService(
+  factory UserFeedbackProxy.connectToService(
       bindings.ServiceConnector s, String url) {
-    SampleInterfaceProxy p = new SampleInterfaceProxy.unbound();
+    UserFeedbackProxy p = new UserFeedbackProxy.unbound();
     s.connectToService(url, p);
     return p;
   }
 
-  static SampleInterfaceProxy newFromEndpoint(
+  static UserFeedbackProxy newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For SampleInterfaceProxy"));
-    return new SampleInterfaceProxy.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For UserFeedbackProxy"));
+    return new UserFeedbackProxy.fromEndpoint(endpoint);
   }
 
   Future close({bool immediate: false}) => impl.close(immediate: immediate);
 
   Future responseOrError(Future f) => impl.responseOrError(f);
 
   Future get errorFuture => impl.errorFuture;
 
   int get version => impl.version;
 
   Future<int> queryVersion() => impl.queryVersion();
 
   void requireVersion(int requiredVersion) {
     impl.requireVersion(requiredVersion);
   }
 
   String toString() {
-    return "SampleInterfaceProxy($impl)";
+    return "UserFeedbackProxy($impl)";
   }
 }
 
 
-class SampleInterfaceStub extends bindings.Stub {
-  SampleInterface _impl = null;
+class UserFeedbackStub extends bindings.Stub {
+  UserFeedback _impl = null;
 
-  SampleInterfaceStub.fromEndpoint(
+  UserFeedbackStub.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint, [this._impl])
       : super.fromEndpoint(endpoint);
 
-  SampleInterfaceStub.fromHandle(core.MojoHandle handle, [this._impl])
+  UserFeedbackStub.fromHandle(core.MojoHandle handle, [this._impl])
       : super.fromHandle(handle);
 
-  SampleInterfaceStub.unbound() : super.unbound();
+  UserFeedbackStub.unbound() : super.unbound();
 
-  static SampleInterfaceStub newFromEndpoint(
+  static UserFeedbackStub newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
-    assert(endpoint.setDescription("For SampleInterfaceStub"));
-    return new SampleInterfaceStub.fromEndpoint(endpoint);
+    assert(endpoint.setDescription("For UserFeedbackStub"));
+    return new UserFeedbackStub.fromEndpoint(endpoint);
   }
 
-  static const String name = SampleInterfaceName;
+  static const String name = UserFeedbackName;
 
 
-  SampleInterfaceSampleMethod1ResponseParams _SampleInterfaceSampleMethod1ResponseParamsFactory(String out1, Enum out2) {
-    var mojo_factory_result = new SampleInterfaceSampleMethod1ResponseParams();
-    mojo_factory_result.out1 = out1;
-    mojo_factory_result.out2 = out2;
-    return mojo_factory_result;
-  }
 
   dynamic handleMessage(bindings.ServiceMessage message) {
     if (bindings.ControlMessageHandler.isControlMessage(message)) {
       return bindings.ControlMessageHandler.handleMessage(this,
                                                           0,
                                                           message);
     }
     assert(_impl != null);
     switch (message.header.type) {
-      case kSampleInterface_sampleMethod1_name:
-        var params = SampleInterfaceSampleMethod1Params.deserialize(
+      case kUserFeedback_performHapticFeedback_name:
+        var params = UserFeedbackPerformHapticFeedbackParams.deserialize(
             message.payload);
-        var response = _impl.sampleMethod1(params.in1,params.in2,_SampleInterfaceSampleMethod1ResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  kSampleInterface_sampleMethod1_name,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              kSampleInterface_sampleMethod1_name,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.performHapticFeedback(params.type);
         break;
-      case kSampleInterface_sampleMethod0_name:
-        var params = SampleInterfaceSampleMethod0Params.deserialize(
+      case kUserFeedback_performAuralFeedback_name:
+        var params = UserFeedbackPerformAuralFeedbackParams.deserialize(
             message.payload);
-        _impl.sampleMethod0();
-        break;
-      case kSampleInterface_sampleMethod2_name:
-        var params = SampleInterfaceSampleMethod2Params.deserialize(
-            message.payload);
-        _impl.sampleMethod2();
+        _impl.performAuralFeedback(params.type);
         break;
       default:
         throw new bindings.MojoCodecError("Unexpected message name");
         break;
     }
     return null;
   }
 
-  SampleInterface get impl => _impl;
-  set impl(SampleInterface d) {
+  UserFeedback get impl => _impl;
+  set impl(UserFeedback d) {
     assert(_impl == null);
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
-    return "SampleInterfaceStub($superString)";
+    return "UserFeedbackStub($superString)";
   }
 
   int get version => 0;
 }