(1)若内置为可卸载的APK,可以无需解压出lib直接编译就可以
具体参考http://blog.youkuaiyun.com/a462533587/article/details/46380795
(2)若内置为system APP,上述blog也有两种方式:
方法一:
如下例,在Android.mk中添加并配置变量(注意路径对应):
LOCAL_PREBUILT_JNI_LIBS = \
@lib/armeabi-v7a/libcryptox.so \
@lib/armeabi-v7a/libfb.so
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注意前面的 @
符号,@标识符会将apk中的so抽离出来,拷贝到对应编译后的apk目录;
/build/core/install_jni_libs_internal.mk
78ifdef my_prebuilt_jni_libs
79# Files like @lib/<abi>/libfoo.so (path inside the apk) are JNI libs embedded prebuilt apk;
80# Files like path/to/libfoo.so (path relative to LOCAL_PATH) are prebuilts in the source tree.
81my_embedded_prebuilt_jni_libs := $(patsubst @%,%, \
82 $(filter @%, $(my_prebuilt_jni_libs)))
此处有对@lib的使用说明
方法二:解压出so
LOCAL_PREBUILT_JNI_LIBS = \
lib/armeabi-v7a/libcryptox.so \
lib/armeabi-v7a/libfb.so