Implement a basic IME-aware input element

sky/shell/org/domokit/sky/shell/PlatformView.java

Index: sky/shell/org/domokit/sky/shell/PlatformView.java
diff --git a/sky/shell/org/domokit/sky/shell/PlatformView.java b/sky/shell/org/domokit/sky/shell/PlatformView.java
index a4b98cd5fbf9a31a7d8794f65d87c38baa2ab5cc..ee94f3f8b223812dead6e1f95d33abf3fdbd9ce5 100644
--- a/sky/shell/org/domokit/sky/shell/PlatformView.java
+++ b/sky/shell/org/domokit/sky/shell/PlatformView.java
@@ -10,6 +10,8 @@ import android.view.Surface;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
 
 import org.chromium.base.JNINamespace;
 import org.chromium.mojo.bindings.InterfaceRequest;
@@ -21,6 +23,7 @@ import org.chromium.mojom.sky.InputEvent;
 import org.chromium.mojom.sky.PointerData;
 import org.chromium.mojom.sky.PointerKind;
 import org.chromium.mojom.sky.ViewportObserver;
+import org.domokit.keyboard.KeyboardServiceImpl;
 
 /**
  * A view containing Sky
@@ -68,6 +71,7 @@ public class PlatformView extends SurfaceView
         getHolder().addCallback(mSurfaceCallback);
 
         mGestureProvider = new GestureProvider(context, this);
+        KeyboardServiceImpl.setActiveView(this);
     }
 
     @Override
@@ -86,6 +90,16 @@ public class PlatformView extends SurfaceView
         }
     }
 
+    @Override
+    public boolean onCheckIsTextEditor() {
+        return true;
+    }
+
+    @Override
+    public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
+        return KeyboardServiceImpl.createInputConnection(outAttrs);
+    }
+
     private int getTypeForAction(int maskedAction) {
         // Primary pointer:
         if (maskedAction == MotionEvent.ACTION_DOWN)