Add create_density_splits option to java_apk.gypi / android_apk (gn)

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 13 matching lines @@
 # Optional/automatic variables:
 #  additional_input_paths - These paths will be included in the 'inputs' list to
 #    ensure that this target is rebuilt when one of these paths changes.
 #  additional_res_packages - Package names of R.java files generated in addition
 #    to the default package name defined in AndroidManifest.xml.
 #  additional_src_dirs - Additional directories with .java files to be compiled
 #    and included in the output of this target.
 #  additional_bundled_libs - Additional libraries what will be stripped and
 #    bundled in the apk.
 #  asset_location - The directory where assets are located.
+#  create_density_splits - Whether to create density-based apk splits. Splits
+#    are supported only for minSdkVersion >= 21.
 #  generated_src_dirs - Same as additional_src_dirs except used for .java files
 #    that are generated at build time. This should be set automatically by a
 #    target's dependencies. The .java files in these directories are not
 #    included in the 'inputs' list (unlike additional_src_dirs).
 #  input_jars_paths - The path to jars to be included in the classpath. This
 #    should be filled automatically by depending on the appropriate targets.
 #  is_test_apk - Set to 1 if building a test apk.  This prevents resources from
 #    dependencies from being re-included.
 #  native_lib_target - The target_name of the target which generates the final
 #    shared library to be included in this apk. A stripped copy of the
@@ skipping 16 matching lines @@
 #    runtime. Should only be used by the chromium_linker_test_apk target!!
 #  never_lint - Set to 1 to not run lint on this target.
 #  java_in_dir_suffix - To override the /src suffix on java_in_dir.
 #  app_manifest_version_name - set the apps 'human readable' version number.
 #  app_manifest_version_code - set the apps version number.
 {
   'variables': {
     'tested_apk_obfuscated_jar_path%': '/',
     'tested_apk_dex_path%': '/',
     'additional_input_paths': [],
+    'create_density_splits%': 0,
     'input_jars_paths': [],
     'library_dexed_jars_paths': [],
     'additional_src_dirs': [],
     'generated_src_dirs': [],
     'app_manifest_version_name%': '<(android_app_version_name)',
     'app_manifest_version_code%': '<(android_app_version_code)',
     # aapt generates this proguard.txt.
     'generated_proguard_file': '<(intermediate_dir)/proguard.txt',
     'proguard_enabled%': 'false',
     'proguard_flags_paths': ['<(generated_proguard_file)'],
@@ skipping 45 matching lines @@
     'test_jar_path': '<(PRODUCT_DIR)/test.lib.java/<(apk_name).jar',
     'dex_path': '<(intermediate_dir)/classes.dex',
     'emma_device_jar': '<(android_sdk_root)/tools/lib/emma_device.jar',
     'android_manifest_path%': '<(java_in_dir)/AndroidManifest.xml',
     'split_android_manifest_path': '<(intermediate_dir)/split-manifests/<(android_app_abi)/AndroidManifest.xml',
     'push_stamp': '<(intermediate_dir)/push.stamp',
     'link_stamp': '<(intermediate_dir)/link.stamp',
     'resource_zip_path': '<(intermediate_dir)/<(_target_name).resources.zip',
     'shared_resources%': 0,
     'final_apk_path%': '<(PRODUCT_DIR)/apks/<(apk_name).apk',
+    'final_apk_path_no_extension%': '<(PRODUCT_DIR)/apks/<(apk_name)',
     'final_abi_split_apk_path%': '<(PRODUCT_DIR)/apks/<(apk_name)-abi-<(android_app_abi).apk',
     'incomplete_apk_path': '<(intermediate_dir)/<(apk_name)-incomplete.apk',
     'apk_install_record': '<(intermediate_dir)/apk_install.record.stamp',
     'device_intermediate_dir': '/data/data/org.chromium.gyp_managed_install/<(_target_name)/<(CONFIGURATION_NAME)',
     'symlink_script_host_path': '<(intermediate_dir)/create_symlinks.sh',
     'symlink_script_device_path': '<(device_intermediate_dir)/create_symlinks.sh',
     'create_standalone_apk%': 1,
     'res_v14_skip%': 0,
     'variables': {
       'variables': {
@@ skipping 424 matching lines @@
             '--main-manifest', '<(android_manifest_path)',
             '--out-manifest', '<(split_android_manifest_path)',
             '--split', 'abi_<(android_app_abi)',
           ],
         },
         {
           'variables': {
             'apk_name': '<(main_apk_name)-abi-<(android_app_abi)',
             'asset_location': '',
             'android_manifest_path': '<(split_android_manifest_path)',
+            'create_density_splits': 0,
           },
           'includes': [ 'android/package_resources_action.gypi' ],
         },
         {
           'variables': {
             'apk_name': '<(main_apk_name)-abi-<(android_app_abi)',
             'apk_path': '<(unsigned_abi_split_apk_path)',
             'has_code': 0,
             'native_libs_dir': '<(apk_package_native_libs_dir)',
             'extra_inputs': ['<(native_lib_placeholder_stamp)'],
@@ skipping 55 matching lines @@
                 '<(final_apk_path)',
               ],
               'action': [
                 '--apk-path=<(final_apk_path)',
                 '--split-apk-path=<(incomplete_apk_path)',
               ],
             }, {
               'action': [
                 '--apk-path=<(incomplete_apk_path)',
               ],
-            }]
+            }],
+            ['create_density_splits == 1', {
+              'inputs': [
+                '<(final_apk_path_no_extension)-density-hdpi.apk',
+                '<(final_apk_path_no_extension)-density-xhdpi.apk',
+                '<(final_apk_path_no_extension)-density-xxhdpi.apk',
+                '<(final_apk_path_no_extension)-density-tvdpi.apk',
+              ],
+              'action': [
+                '--split-apk-path=<(final_apk_path_no_extension)-density-hdpi.apk',
+                '--split-apk-path=<(final_apk_path_no_extension)-density-xhdpi.apk',
+                '--split-apk-path=<(final_apk_path_no_extension)-density-xxhdpi.apk',
+                '--split-apk-path=<(final_apk_path_no_extension)-density-tvdpi.apk',
+              ],
+            }],
           ],
         },
       ],
     }],
+    ['create_density_splits == 1', {
+      'actions': [
+        {
+          'action_name': 'finalize_density_splits',
+          'variables': {
+            'density_splits': 1,
+          },
+          'includes': [ 'android/finalize_splits_action.gypi']
+        },
+      ],
+    }],
     ['is_test_apk == 1', {
       'dependencies': [
         '<(DEPTH)/build/android/pylib/device/commands/commands.gyp:chromium_commands',
         '<(DEPTH)/tools/android/android_tools.gyp:android_tools',
       ]
     }],
     ['run_findbugs == 1', {
       'actions': [
         {
           'action_name': 'findbugs_<(_target_name)',
@@ skipping 319 matching lines @@
             'native_libs_dir': '<(apk_package_native_libs_dir)',
           }, {
             'native_libs_dir': '<(DEPTH)/build/android/ant/empty/res',
           }],
         ],
       },
       'includes': ['android/apkbuilder_action.gypi'],
     },
   ],
 }