Make apks build from a single ant .xml template

build/java_apk.gypi

 # Copyright (c) 2012 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.
 
 # This file is meant to be included into a target to provide a rule
 # to build Android APKs in a consistent manner.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'my_package_apk',
@@ skipping 15 matching lines @@
 # content/shell/android/java/content_shell_apk.xml
 # content/shell/android/java/src/chromium/base/Foo.java
 # content/shell/android/java/src/chromium/base/Bar.java
 
 {
   'variables': {
     'input_jars_paths': [],
     'native_libs_paths': [],
     'additional_src_dirs': [],
     'additional_input_paths': [],
+    'asset_location': '',
   },
   'actions': [
     {
       'action_name': 'ant_<(package_name)_apk',
       'message': 'Building <(package_name) apk.',
       'inputs': [
-        '<(java_in_dir)/<(package_name)_apk.xml',
         '<(java_in_dir)/AndroidManifest.xml',
+        '<(DEPTH)/build/android/ant/chromium-apk.xml',
         '<(DEPTH)/build/android/ant/common.xml',
         '<(DEPTH)/build/android/ant/sdk-targets.xml',
         '<!@(find <(java_in_dir) -name "*.java")',
         '<!@(find <(java_in_dir)/<(resource_dir) -name "*")',
         '>@(input_jars_paths)',
         '>@(native_libs_paths)',
         '>@(additional_input_paths)',
       ],
       'outputs': [
         '<(PRODUCT_DIR)/apks/<(apk_name)-debug.apk',
       ],
       'action': [
         'ant',
-        '-DPRODUCT_DIR=<(ant_build_out)',
         '-DAPP_ABI=<(android_app_abi)',
         '-DANDROID_GDBSERVER=<(android_gdbserver)',
         '-DANDROID_SDK=<(android_sdk)',
         '-DANDROID_SDK_ROOT=<(android_sdk_root)',
         '-DANDROID_SDK_TOOLS=<(android_sdk_tools)',
         '-DANDROID_SDK_VERSION=<(android_sdk_version)',
         '-DANDROID_TOOLCHAIN=<(android_toolchain)',
+        '-DCHROMIUM_SRC=<(ant_build_out)/../..',
+        '-DCONFIGURATION_NAME=<(CONFIGURATION_NAME)',
+        '-DPRODUCT_DIR=<(ant_build_out)',
+
+        '-DADDITIONAL_SRC_DIRS=>(additional_src_dirs)',
+        '-Dbasedir=<(java_in_dir)',
+        '-DINPUT_JARS_PATHS=>(input_jars_paths)',
         '-DPACKAGE_NAME=<(package_name)',
-        '-DCONFIGURATION_NAME=<(CONFIGURATION_NAME)',
-        '-DINPUT_JARS_PATHS=>(input_jars_paths)',
-        '-DADDITIONAL_SRC_DIRS=>(additional_src_dirs)',
-        '-DCHROMIUM_SRC=<(ant_build_out)/../..',
+
+        '-DAPK_NAME=<(apk_name)',
+        '-DASSET_DIR=<(asset_location)',
         '-DRESOURCE_DIR=<(resource_dir)',
+
         '-buildfile',
-        '<(java_in_dir)/<(package_name)_apk.xml'
+        '<(DEPTH)/build/android/ant/chromium-apk.xml'
       ]
     },
   ],
 }