如何为Android系统添加一个新的资源包
\u5982\u4f55\u4e3aAndroid\u7cfb\u7edf\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u5305\u5982\u4f55\u4e3aAndroid\u7cfb\u7edf\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u5305
\u4f20\u7edf\u7684Android\u7cfb\u7edf\u53ea\u6709\u4e00\u4e2aframework-res.apk\u8d44\u6e90\u5305\uff0c\u7b2c\u4e09\u65b9\u5382\u5546\u5728\u8fdb\u884crom\u5b9a\u5236\u65f6\u4f1a\u76f4\u63a5\u4fee\u6539framework res\u8d44\u6e90\uff0c\u8fbe\u5230\u7f8e\u5316\u76ee\u7684\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u5f0f\u8ddf\u539f\u751f\u8d44\u6e90\u7684\u8026\u5408\u5ea6\u8fc7\u9ad8\uff0c\u5728\u7cfb\u7edf\u8fc1\u79fb\u6216\u8005framework ui\u79fb\u690d\u65f6\u9700\u8981\u8fdb\u884c\u4eba\u5de5merge\uff0c\u5de5\u4f5c\u91cf\u5de8\u5927\u3002\u901a\u8fc7\u4e3aAndroid\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u72ec\u7acb\u7684\u8d44\u6e90\u5305\uff0c\u53ef\u4ee5\u5c06\u5382\u5546\u5b9a\u5236\u8d44\u6e90\u72ec\u7acb\u51fa\u6765\uff0c\u53ef\u79fb\u690d\u3001\u53ef\u7ef4\u62a4\u6027\u975e\u5e38\u597d\u3002
\u5177\u4f53\u505a\u6cd5\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a
1. \u4fee\u6539build/core/clear_var.mk
LOCAL_USE_LETV_FRAMEWORK_RES:= true
2. \u4fee\u6539build/core/package.mk
\u4ee5\u4e0b\u811a\u672c\u53ef\u4ee5\u52a0\u5728 $(R_file_stamp): $(framework_res_package_export_deps) \u4e4b\u524d\uff0c\u7136\u540e\u4fee\u6539$(R_file_stamp): $(framework_res_package_export_deps) \u548c $(LOCAL_INTERMEDIATE_TARGETS): \
PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
\u5982\u4e0b\u6240\u793a\uff1a
view sourceprint?
1 ifeq ($(LOCAL_USE_LETV_FRAMEWORK_RES),true)
2 letv_framework_res_package_export := \
3 $(call intermediates-dir-for,APPS,letv-framework-res,,COMMON)/package-export.apk
4 letv_framework_res_package_export_deps := \
5 $(dir $(letv_framework_res_package_export))src/R.stamp
6 else
7 letv_framework_res_package_export :=
8 letv_framework_res_package_export_deps :=
9 endif # LOCAL_USE_LETV_FRAMEWORK_RES
view sourceprint?
1 $(R_file_stamp): $(framework_res_package_export_deps) $(letv_framework_res_package_export_deps)
2 $(LOCAL_INTERMEDIATE_TARGETS): \
3 PRIVATE_AAPT_INCLUDES := $(framework_res_package_export) \
4 $(letv_framework_res_package_export)
5 endif # LOCAL_NO_STANDARD_LIBRARIES
3. \u4fee\u6539build/target/product/core.mk
\u5728PRODUCT_PACKAGES\u589e\u52a0letv-framework-res
4. \u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u5305\u9879\u76ee\uff0c\u8fd9\u91cc\u5728framework/base/core/res\u540c\u7ea7\u76ee\u5f55\u4e0b\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u5939letv_res\u7528\u6765\u5b58\u653e\u6211\u4eec\u7684\u8d44\u6e90\u3002\u628ares\u76ee\u5f55\u4e0b\u7684AndroidManifest.xml\u548cAndroid.mk\u62f7\u8d1d\u8fc7\u6765\uff0c\u8fdb\u884c\u4fee\u6539\u3002
\u8bb0\u5f97\u8bbe\u7f6eLOCAL_USE_MY_FRAMEWORK_RES\u4e3afalse\u3002
view sourceprint?
01 LOCAL_PATH:= $(call my-dir)
02 include $(CLEAR_VARS)
03
04 LOCAL_MODULE_TAGS := optional
05
06 LOCAL_PACKAGE_NAME := letv-framework-res
07 LOCAL_CERTIFICATE := platform
08
09 # Set LOCAL_USE_LETV_FRAMEWORK_RES as false
10 LOCAL_USE_LETV_FRAMEWORK_RES := false
11
12 # Tell aapt to create "extending (non-application)" resource IDs,
13 # since these resources will be used by many apps.
14 LOCAL_AAPT_FLAGS := -x
15
16 # Install this alongside the libraries.
17 LOCAL_MODULE_PATH := $(TARGET_OUT_JAVA_LIBRARIES)
18
19 # Create package-export.apk, which other packages can use to get
20 # PRODUCT-agnostic resource data like IDs and type definitions.
21 LOCAL_EXPORT_PACKAGE_RESOURCES := true
22
23 # Include resources generated by system RenderScript files.
24 framework_GENERATED_SOURCE_DIR := $(call intermediates-dir-for,JAVA_LIBRARIES,framework,,COMMON)/src
25 framework_RenderScript_STAMP_FILE := $(framework_GENERATED_SOURCE_DIR)/RenderScript.stamp
26 #LOCAL_RESOURCE_DIR := $(framework_GENERATED_SOURCE_DIR)/renderscript/res $(LOCAL_PATH)/res
27
28 include $(BUILD_PACKAGE)
29
30 # Make sure the system .rs files get compiled before building the package-export.apk.
31 #$(resource_export_package): $(framework_RenderScript_STAMP_FILE)
32
33 # define a global intermediate target that other module may depend on.
34 .PHONY: letv-framework-res-package-target
35 letv-framework-res-package-target: $(LOCAL_BUILT_MODULE)
view sourceprint?
01
02 <manifest xmlns:android=""
03 package="letv" coreApp="true" android:sharedUserId="android.uid.system"
04 android:sharedUserLabel="@null">
05
06 <application android:process="system"
07 android:persistent="true"
08 android:hasCode="false"
09 android:label="@null"
10 android:allowClearUserData="false"
11 android:killAfterRestore="false"
12 android:icon="@null">
13
14
15
16
\u8d44\u6e90\u7684\u653e\u7f6e\u8ddfres\u4e0b\u7684\u7c7b\u4f3c\uff0c\u8bb0\u5f97values\u76ee\u5f55\u4e0b\u521b\u5efapublic.xml\uff0cpublic.xml\u5bf9id\u7684\u7c7b\u578b\u533a\u5206\u6bd4\u8f83\u4e25\u683c\uff0cattr\u5fc5\u987b\u662f0x0x010000\u5f00\u5934\uff0cdrawable\u5fc5\u987b\u662f0x0x020000\u5f00\u5934\uff0c\u5176\u4ed6\u7c7b\u578b\u597d\u50cf\u5c31\u6ca1\u6709\u9650\u5236\uff0c\u76f4\u63a5\u4f9d\u6b210x0x030000\u30010x0x040000\u5f00\u59cb\u5373\u53ef\u3002\u5426\u5219\uff0c\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u4f1a\u51fa\u73b0segmentation fault\u9519\u8bef\u3002
view sourceprint?
1
2
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5
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8
5. \u4ee5\u4e0a\u53ea\u662f\u89e3\u51b3\u4e86\u8d44\u6e90\u7684\u7f16\u8bd1\u73af\u5883\u95ee\u9898\uff0c\u8d44\u6e90\u7684\u67e5\u627e\u8fc7\u7a0b\u4e5f\u9700\u8981\u8fdb\u884c\u4fee\u6539\uff0c\u4fee\u6539 AssetManager.java\uff0c\u5728init()\u540e\u6dfb\u52a0\u4ee3\u7801 addAssetPath("/system/framework/letv-framework-res.apk");
view sourceprint?
01 public AssetManager() {
02 synchronized (this) {
03 if (DEBUG_REFS) {
04 mNumRefs = 0;
05 incRefsLocked(this.hashCode());
06 }
07 init();
08 addAssetPath("/system/framework/letv-framework-res.apk");
09 if (localLOGV) Log.v(TAG, "New asset manager: " + this);
10 ensureSystemAssets();
11 }
12 }
6. \u6700\u540e\u5c31\u662f\u8d44\u6e90\u5e94\u7528\u95ee\u9898\u3002\u5e94\u7528\u7a0b\u5e8f\u5728xml\u6587\u4ef6\u4e2d\u5f15\u7528letv-framework-res.apk\u4e2d\u7684\u8d44\u6e90\u65f6\u53ef\u4ee5\u4f7f\u7528\u4e0e\u539f\u751f\u8d44\u6e90\u7c7b\u4f3c\u7684\u8bbf\u95ee\u65b9\u5f0f\uff0c\u9996\u5148\u58f0\u660eletv xmlns :
view sourceprint?
1 xmlns:letv=""
\u7136\u540e\u50cf@android:drawable @android:dimen\u8fd9\u79cd\u5f15\u7528\u65b9\u5f0f\u6539\u6210@letv:drawable @letv:dimen\u5373\u53ef\u3002
view sourceprint?
01
02 <LinearLayout
03 xmlns:android=""
04 xmlns:letv=""
05 android:layout_width="fill_parent"
06 android:layout_height="wrap_content"
07 android:gravity="center"
08 android:paddingTop="@letv:dimen/letv_width"
09 android:orientation="horizontal" >
10
11 <ImageView android:id="@+id/file_icon"
12 android:layout_width="wrap_content"
13 android:layout_height="wrap_content"
14 android:layout_gravity="center"
15 android:layout_marginBottom="40dp"
16 android:src="@letv:drawable/ic_filemanager" />
17
18
\u8f6c\u8f7d\uff0c\u4ec5\u4f9b\u53c2\u8003\u3002
\u3000\u3000\u5982\u4f55\u4e3aAndroid\u7cfb\u7edf\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u5305
\u3000\u3000\u4f20\u7edf\u7684Android\u7cfb\u7edf\u53ea\u6709\u4e00\u4e2aframework-res.apk\u8d44\u6e90\u5305\uff0c\u7b2c\u4e09\u65b9\u5382\u5546\u5728\u8fdb\u884crom\u5b9a\u5236\u65f6\u4f1a\u76f4\u63a5\u4fee\u6539framework res\u8d44\u6e90\uff0c\u8fbe\u5230\u7f8e\u5316\u76ee\u7684\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u5f0f\u8ddf\u539f\u751f\u8d44\u6e90\u7684\u8026\u5408\u5ea6\u8fc7\u9ad8\uff0c\u5728\u7cfb\u7edf\u8fc1\u79fb\u6216\u8005framework ui\u79fb\u690d\u65f6\u9700\u8981\u8fdb\u884c\u4eba\u5de5merge\uff0c\u5de5\u4f5c\u91cf\u5de8\u5927\u3002\u901a\u8fc7\u4e3aAndroid\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u72ec\u7acb\u7684\u8d44\u6e90\u5305\uff0c\u53ef\u4ee5\u5c06\u5382\u5546\u5b9a\u5236\u8d44\u6e90\u72ec\u7acb\u51fa\u6765\uff0c\u53ef\u79fb\u690d\u3001\u53ef\u7ef4\u62a4\u6027\u975e\u5e38\u597d\u3002
\u3000\u3000\u5177\u4f53\u505a\u6cd5\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a
\u3000\u30001. \u4fee\u6539build/core/clear_var.mk
\u3000\u3000LOCAL_USE_LETV_FRAMEWORK_RES:= true
\u3000\u30002. \u4fee\u6539build/core/package.mk
\u3000\u3000\u4ee5\u4e0b\u811a\u672c\u53ef\u4ee5\u52a0\u5728 $(R_file_stamp): $(framework_res_package_export_deps) \u4e4b\u524d\uff0c\u7136\u540e\u4fee\u6539$(R_file_stamp): $(framework_res_package_export_deps) \u548c $(LOCAL_INTERMEDIATE_TARGETS): \
\u3000\u3000PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
\u3000\u3000\u5982\u4e0b\u6240\u793a\uff1a
\u3000\u3000view sourceprint?
\u3000\u30001 ifeq ($(LOCAL_USE_LETV_FRAMEWORK_RES),true)
\u3000\u30002 letv_framework_res_package_export := \
\u3000\u30003 $(call intermediates-dir-for,APPS,letv-framework-res,,COMMON)/package-export.apk
\u3000\u30004 letv_framework_res_package_export_deps := \
\u3000\u30005 $(dir $(letv_framework_res_package_export))src/R.stamp
\u3000\u30006 else
\u3000\u30007 letv_framework_res_package_export :=
\u3000\u30008 letv_framework_res_package_export_deps :=
\u3000\u30009 endif # LOCAL_USE_LETV_FRAMEWORK_RES
\u3000\u3000view sourceprint?
\u3000\u30001 $(R_file_stamp): $(framework_res_package_export_deps) $(letv_framework_res_package_export_deps)
\u3000\u30002 $(LOCAL_INTERMEDIATE_TARGETS): \
\u3000\u30003 PRIVATE_AAPT_INCLUDES := $(framework_res_package_export) \
\u3000\u30004 $(letv_framework_res_package_export)
\u3000\u30005 endif # LOCAL_NO_STANDARD_LIBRARIES
\u3000\u30003. \u4fee\u6539build/target/product/core.mk
\u3000\u3000\u5728PRODUCT_PACKAGES\u589e\u52a0letv-framework-res
\u3000\u30004. \u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u5305\u9879\u76ee\uff0c\u8fd9\u91cc\u5728framework/base/core/res\u540c\u7ea7\u76ee\u5f55\u4e0b\u5efa\u7acb\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u5939letv_res\u7528\u6765\u5b58\u653e\u6211\u4eec\u7684\u8d44\u6e90\u3002\u628ares\u76ee\u5f55\u4e0b\u7684AndroidManifest.xml\u548cAndroid.mk\u62f7\u8d1d\u8fc7\u6765\uff0c\u8fdb\u884c\u4fee\u6539\u3002
\u3000\u3000\u8bb0\u5f97\u8bbe\u7f6eLOCAL_USE_MY_FRAMEWORK_RES\u4e3afalse\u3002
\u3000\u3000view sourceprint?
\u3000\u300001 LOCAL_PATH:= $(call my-dir)
\u3000\u300002 include $(CLEAR_VARS)
\u3000\u300003
\u3000\u300004 LOCAL_MODULE_TAGS := optional
\u3000\u300005
\u3000\u300006 LOCAL_PACKAGE_NAME := letv-framework-res
\u3000\u300007 LOCAL_CERTIFICATE := platform
\u3000\u300008
\u3000\u300009 # Set LOCAL_USE_LETV_FRAMEWORK_RES as false
\u3000\u300010 LOCAL_USE_LETV_FRAMEWORK_RES := false
\u3000\u300011
\u3000\u300012 # Tell aapt to create "extending (non-application)" resource IDs,
\u3000\u300013 # since these resources will be used by many apps.
\u3000\u300014 LOCAL_AAPT_FLAGS := -x
\u3000\u300015
\u3000\u300016 # Install this alongside the libraries.
\u3000\u300017 LOCAL_MODULE_PATH := $(TARGET_OUT_JAVA_LIBRARIES)
\u3000\u300018
\u3000\u300019 # Create package-export.apk, which other packages can use to get
\u3000\u300020 # PRODUCT-agnostic resource data like IDs and type definitions.
\u3000\u300021 LOCAL_EXPORT_PACKAGE_RESOURCES := true
\u3000\u300022
\u3000\u300023 # Include resources generated by system RenderScript files.
\u3000\u300024 framework_GENERATED_SOURCE_DIR := $(call intermediates-dir-for,JAVA_LIBRARIES,framework,,COMMON)/src
\u3000\u300025 framework_RenderScript_STAMP_FILE := $(framework_GENERATED_SOURCE_DIR)/RenderScript.stamp
\u3000\u300026 #LOCAL_RESOURCE_DIR := $(framework_GENERATED_SOURCE_DIR)/renderscript/res $(LOCAL_PATH)/res
\u3000\u300027
\u3000\u300028 include $(BUILD_PACKAGE)
\u3000\u300029
\u3000\u300030 # Make sure the system .rs files get compiled before building the package-export.apk.
\u3000\u300031 #$(resource_export_package): $(framework_RenderScript_STAMP_FILE)
\u3000\u300032
\u3000\u300033 # define a global intermediate target that other module may depend on.
\u3000\u300034 .PHONY: letv-framework-res-package-target
\u3000\u300035 letv-framework-res-package-target: $(LOCAL_BUILT_MODULE)
\u3000\u3000view sourceprint?
\u3000\u300001
\u3000\u300002 <manifest xmlns:android=""
\u3000\u300003 package="letv" coreApp="true" android:sharedUserId="android.uid.system"
\u3000\u300004 android:sharedUserLabel="@null">
\u3000\u300005
\u3000\u300006 <application android:process="system"
\u3000\u300007 android:persistent="true"
\u3000\u300008 android:hasCode="false"
\u3000\u300009 android:label="@null"
\u3000\u300010 android:allowClearUserData="false"
\u3000\u300011 android:killAfterRestore="false"
\u3000\u300012 android:icon="@null">
\u3000\u300013
\u3000\u300014
\u3000\u300015
\u3000\u300016
\u3000\u3000\u8d44\u6e90\u7684\u653e\u7f6e\u8ddfres\u4e0b\u7684\u7c7b\u4f3c\uff0c\u8bb0\u5f97values\u76ee\u5f55\u4e0b\u521b\u5efapublic.xml\uff0cpublic.xml\u5bf9id\u7684\u7c7b\u578b\u533a\u5206\u6bd4\u8f83\u4e25\u683c\uff0cattr\u5fc5\u987b\u662f0x0x010000\u5f00\u5934\uff0cdrawable\u5fc5\u987b\u662f0x0x020000\u5f00\u5934\uff0c\u5176\u4ed6\u7c7b\u578b\u597d\u50cf\u5c31\u6ca1\u6709\u9650\u5236\uff0c\u76f4\u63a5\u4f9d\u6b210x0x030000\u30010x0x040000\u5f00\u59cb\u5373\u53ef\u3002\u5426\u5219\uff0c\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u4f1a\u51fa\u73b0segmentation fault\u9519\u8bef\u3002
\u3000\u3000view sourceprint?
\u3000\u30001
\u3000\u30002
\u3000\u30003
\u3000\u30004
\u3000\u30005
\u3000\u30006
\u3000\u30007
\u3000\u30008
\u3000\u30005. \u4ee5\u4e0a\u53ea\u662f\u89e3\u51b3\u4e86\u8d44\u6e90\u7684\u7f16\u8bd1\u73af\u5883\u95ee\u9898\uff0c\u8d44\u6e90\u7684\u67e5\u627e\u8fc7\u7a0b\u4e5f\u9700\u8981\u8fdb\u884c\u4fee\u6539\uff0c\u4fee\u6539 AssetManager.java\uff0c\u5728init()\u540e\u6dfb\u52a0\u4ee3\u7801 addAssetPath("/system/framework/letv-framework-res.apk");
\u3000\u3000view sourceprint?
\u3000\u300001 public AssetManager() {
\u3000\u300002 synchronized (this) {
\u3000\u300003 if (DEBUG_REFS) {
\u3000\u300004 mNumRefs = 0;
\u3000\u300005 incRefsLocked(this.hashCode());
\u3000\u300006 }
\u3000\u300007 init();
\u3000\u300008 addAssetPath("/system/framework/letv-framework-res.apk");
\u3000\u300009 if (localLOGV) Log.v(TAG, "New asset manager: " + this);
\u3000\u300010 ensureSystemAssets();
\u3000\u300011 }
\u3000\u300012 }
\u3000\u30006. \u6700\u540e\u5c31\u662f\u8d44\u6e90\u5e94\u7528\u95ee\u9898\u3002\u5e94\u7528\u7a0b\u5e8f\u5728xml\u6587\u4ef6\u4e2d\u5f15\u7528letv-framework-res.apk\u4e2d\u7684\u8d44\u6e90\u65f6\u53ef\u4ee5\u4f7f\u7528\u4e0e\u539f\u751f\u8d44\u6e90\u7c7b\u4f3c\u7684\u8bbf\u95ee\u65b9\u5f0f\uff0c\u9996\u5148\u58f0\u660eletv xmlns :
\u3000\u3000view sourceprint?
\u3000\u30001 xmlns:letv=""
\u3000\u3000\u7136\u540e\u50cf@android:drawable @android:dimen\u8fd9\u79cd\u5f15\u7528\u65b9\u5f0f\u6539\u6210@letv:drawable @letv:dimen\u5373\u53ef\u3002
\u3000\u3000view sourceprint?
\u3000\u300001
\u3000\u300002 <LinearLayout
\u3000\u300003 xmlns:android=""
\u3000\u300004 xmlns:letv=""
\u3000\u300005 android:layout_width="fill_parent"
\u3000\u300006 android:layout_height="wrap_content"
\u3000\u300007 android:gravity="center"
\u3000\u300008 android:paddingTop="@letv:dimen/letv_width"
\u3000\u300009 android:orientation="horizontal" >
\u3000\u300010
\u3000\u300011 <ImageView android:id="@+id/file_icon"
\u3000\u300012 android:layout_width="wrap_content"
\u3000\u300013 android:layout_height="wrap_content"
\u3000\u300014 android:layout_gravity="center"
\u3000\u300015 android:layout_marginBottom="40dp"
\u3000\u300016 android:src="@letv:drawable/ic_filemanager" />
\u3000\u300017
\u3000\u300018
\u3000\u3000\u8f6c\u8f7d\uff0c\u4ec5\u4f9b\u53c2\u8003\u3002
传统的Android系统只有一个framework-res.apk资源包，第三方厂商在进行rom定制时会直接修改framework res资源，达到美化目的。但是这种方式跟原生资源的耦合度过高，在系统迁移或者framework ui移植时需要进行人工merge，工作量巨大。通过为Android添加一个新的独立的资源包，可以将厂商定制资源独立出来，可移植、可维护性非常好。
具体做法可以分为以下几个步骤：
1. 修改build/core/clear_var.mk
LOCAL_USE_LETV_FRAMEWORK_RES:= true
2. 修改build/core/package.mk
以下脚本可以加在 $(R_file_stamp): $(framework_res_package_export_deps) 之前，然后修改$(R_file_stamp): $(framework_res_package_export_deps) 和 $(LOCAL_INTERMEDIATE_TARGETS): \
PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
如下所示：
view sourceprint?
1 ifeq ($(LOCAL_USE_LETV_FRAMEWORK_RES),true)
2 letv_framework_res_package_export := \
3 $(call intermediates-dir-for,APPS,letv-framework-res,,COMMON)/package-export.apk
4 letv_framework_res_package_export_deps := \
5 $(dir $(letv_framework_res_package_export))src/R.stamp
6 else
7 letv_framework_res_package_export :=
8 letv_framework_res_package_export_deps :=
9 endif # LOCAL_USE_LETV_FRAMEWORK_RES
view sourceprint?
1 $(R_file_stamp): $(framework_res_package_export_deps) $(letv_framework_res_package_export_deps)
2 $(LOCAL_INTERMEDIATE_TARGETS): \
3 PRIVATE_AAPT_INCLUDES := $(framework_res_package_export) \
4 $(letv_framework_res_package_export)
5 endif # LOCAL_NO_STANDARD_LIBRARIES
3. 修改build/target/product/core.mk
在PRODUCT_PACKAGES增加letv-framework-res
4. 添加一个新的资源包项目，这里在framework/base/core/res同级目录下建立一个新的文件夹letv_res用来存放我们的资源。把res目录下的AndroidManifest.xml和Android.mk拷贝过来，进行修改。
记得设置LOCAL_USE_MY_FRAMEWORK_RES为false。
view sourceprint?
01 LOCAL_PATH:= $(call my-dir)
02 include $(CLEAR_VARS)
03
04 LOCAL_MODULE_TAGS := optional
05
06 LOCAL_PACKAGE_NAME := letv-framework-res
07 LOCAL_CERTIFICATE := platform
08
09 # Set LOCAL_USE_LETV_FRAMEWORK_RES as false
10 LOCAL_USE_LETV_FRAMEWORK_RES := false
11
12 # Tell aapt to create "extending (non-application)" resource IDs,
13 # since these resources will be used by many apps.
14 LOCAL_AAPT_FLAGS := -x
15
16 # Install this alongside the libraries.
17 LOCAL_MODULE_PATH := $(TARGET_OUT_JAVA_LIBRARIES)
18
19 # Create package-export.apk, which other packages can use to get
20 # PRODUCT-agnostic resource data like IDs and type definitions.
21 LOCAL_EXPORT_PACKAGE_RESOURCES := true
22
23 # Include resources generated by system RenderScript files.
24 framework_GENERATED_SOURCE_DIR := $(call intermediates-dir-for,JAVA_LIBRARIES,framework,,COMMON)/src
25 framework_RenderScript_STAMP_FILE := $(framework_GENERATED_SOURCE_DIR)/RenderScript.stamp
26 #LOCAL_RESOURCE_DIR := $(framework_GENERATED_SOURCE_DIR)/renderscript/res $(LOCAL_PATH)/res
27
28 include $(BUILD_PACKAGE)
29
30 # Make sure the system .rs files get compiled before building the package-export.apk.
31 #$(resource_export_package): $(framework_RenderScript_STAMP_FILE)
32
33 # define a global intermediate target that other module may depend on.
34 .PHONY: letv-framework-res-package-target
35 letv-framework-res-package-target: $(LOCAL_BUILT_MODULE)
view sourceprint?
01 <?xml version="1.0" encoding="utf-8"?>
02 <manifest xmlns:android=""
03 package="letv" coreApp="true" android:sharedUserId="android.uid.system"
04 android:sharedUserLabel="@null">
05
06 <application android:process="system"
07 android:persistent="true"
08 android:hasCode="false"
09 android:label="@null"
10 android:allowClearUserData="false"
11 android:killAfterRestore="false"
12 android:icon="@null">
13
14 </application>
15
16 </manifest>
资源的放置跟res下的类似，记得values目录下创建public.xml，public.xml对id的类型区分比较严格，attr必须是0x0x010000开头，drawable必须是0x0x020000开头，其他类型好像就没有限制，直接依次0x0x030000、0x0x040000开始即可。否则，编译过程中会出现segmentation fault错误。
view sourceprint?
1 <resources>
2 <public type="attr" name="cForeground" id="0x03010000" />
3 <public type="drawable" name="ic_filemanager" id="0x03020000" />
4 <public type="style" name="LetvTheme" id="0x03030000" />
5 <public type="string" name="letv" id="0x03040000" />
6 <public type="dimen" name="letv_width" id="0x03050000" />
7 <public type="layout" name="letv_text" id="0x03060000" />
8 </resources>
5. 以上只是解决了资源的编译环境问题，资源的查找过程也需要进行修改，修改 AssetManager.java，在init()后添加代码 addAssetPath("/system/framework/letv-framework-res.apk");
view sourceprint?
01 public AssetManager() {
02 synchronized (this) {
03 if (DEBUG_REFS) {
04 mNumRefs = 0;
05 incRefsLocked(this.hashCode());
06 }
07 init();
08 addAssetPath("/system/framework/letv-framework-res.apk");
09 if (localLOGV) Log.v(TAG, "New asset manager: " + this);
10 ensureSystemAssets();
11 }
12 }
6. 最后就是资源应用问题。应用程序在xml文件中引用letv-framework-res.apk中的资源时可以使用与原生资源类似的访问方式，首先声明letv xmlns :
view sourceprint?
1 xmlns:letv=""
然后像@android:drawable @android:dimen这种引用方式改成@letv:drawable @letv:dimen即可。
view sourceprint?
01 <?xml version="1.0" encoding="utf-8"?>
02 <LinearLayout
03 xmlns:android=""
04 xmlns:letv=""
05 android:layout_width="fill_parent"
06 android:layout_height="wrap_content"
07 android:gravity="center"
08 android:paddingTop="@letv:dimen/letv_width"
09 android:orientation="horizontal" >
10
11 <ImageView android:id="@+id/file_icon"
12 android:layout_width="wrap_content"
13 android:layout_height="wrap_content"
14 android:layout_gravity="center"
15 android:layout_marginBottom="40dp"
16 android:src="@letv:drawable/ic_filemanager" />
17
18 </LinearLayout>
转载，仅供参考。
直接下载，然后放到项目的libs下面就可以了
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