20e2083ea0
Bug: 5714516 The rationale behind this change: - the library is compiled into a jar file, but its R class is generated making the constant not constant (static, not final static) (aapt option --non-constant-id). Also the jar file does not contain the R class. - this allows the integer value to not be inlined in the compiled class files. Note that this prevents using switch statements. - the main project use this jar file as a normal static library: it will add all the class files except the R.class. - the main project uses the library res folder as a resource folder with lower priority than the main project (basically the main project is an overlay. This is accomplished using aapt's --auto-add-overlay to handle resources only in the main project (which the normal overlay mechanism doesn't allow). - the main project creates R classes in the main project's package but also in the library's package. This is done with aapt's --extra-packages which accept as many packages as needed, separated by a :. - manifest merging is not done yet, so activities/services/permissions/etc... have to be manually declared in the main app. To use a static library with Android resource in your app, 1. Add the library's resource dir to your app as an overlay: LOCAL_RESOURCE_DIR := <app_resource_dir> <static_library_resource_dirs> 2. Set the proper aapt flags: LOCAL_AAPT_FLAGS := <apps_own_flags> --auto-add-overlay \ --extra-packages <lib1_package_name>:<lib2_package_name>:... Change-Id: Ifb4d2300b952ea4aaee74da1bb0c6c72ea0698a3
95 lines
3.4 KiB
Makefile
95 lines
3.4 KiB
Makefile
#
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# Copyright (C) 2008 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Standard rules for building a "static" java library.
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# Static java libraries are not installed, nor listed on any
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# classpaths. They can, however, be included wholesale in
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# other java modules.
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LOCAL_UNINSTALLABLE_MODULE := true
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LOCAL_IS_STATIC_JAVA_LIBRARY := true
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# Hack to build static Java library with Android resource
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# See bug 5714516
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all_resources :=
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ifdef LOCAL_RESOURCE_DIR
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all_resources := $(strip \
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$(foreach dir, $(LOCAL_RESOURCE_DIR), \
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$(addprefix $(dir)/, \
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$(patsubst res/%,%, \
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$(call find-subdir-assets,$(dir)) \
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) \
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) \
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))
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endif
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include $(BUILD_SYSTEM)/java_library.mk
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ifneq (,$(all_resources))
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R_file_stamp := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/R.stamp
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ifeq ($(strip $(LOCAL_MANIFEST_FILE)),)
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LOCAL_MANIFEST_FILE := AndroidManifest.xml
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endif
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full_android_manifest := $(LOCAL_PATH)/$(LOCAL_MANIFEST_FILE)
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framework_res_package_export :=
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framework_res_package_export_deps :=
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# Please refer to package.mk
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ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
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ifneq ($(filter-out current,$(LOCAL_SDK_RES_VERSION)),)
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framework_res_package_export := \
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$(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
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framework_res_package_export_deps := $(framework_res_package_export)
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else
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framework_res_package_export := \
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$(call intermediates-dir-for,APPS,framework-res,,COMMON)/package-export.apk
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framework_res_package_export_deps := \
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$(dir $(framework_res_package_export))src/R.stamp
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endif
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endif
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$(R_file_stamp): PRIVATE_MODULE := $(LOCAL_MODULE)
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# add --non-constant-id to prevent inlining constants.
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$(R_file_stamp): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --non-constant-id
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$(R_file_stamp): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
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$(R_file_stamp): PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
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$(R_file_stamp): PRIVATE_RESOURCE_PUBLICS_OUTPUT := $(intermediates.COMMON)/public_resources.xml
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$(R_file_stamp): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
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$(R_file_stamp): PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
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ifneq (,$(filter-out current, $(LOCAL_SDK_VERSION)))
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$(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
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else
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$(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
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endif
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$(R_file_stamp): PRIVATE_ASSET_DIR :=
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$(R_file_stamp): PRIVATE_PROGUARD_OPTIONS_FILE :=
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$(R_file_stamp): PRIVATE_MANIFEST_PACKAGE_NAME :=
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$(R_file_stamp): PRIVATE_MANIFEST_INSTRUMENTATION_FOR :=
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$(R_file_stamp) : $(all_resources) $(full_android_manifest) $(AAPT) $(framework_res_package_export_deps)
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@echo "target R.java/Manifest.java: $(PRIVATE_MODULE) ($@)"
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$(create-resource-java-files)
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$(hide) find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name R.java | xargs cat > $@
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$(LOCAL_BUILT_MODULE): $(R_file_stamp)
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ifneq ($(full_classes_jar),)
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$(full_classes_compiled_jar): $(R_file_stamp)
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endif
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endif # $(all_resources) not empty
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LOCAL_IS_STATIC_JAVA_LIBRARY :=
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