--- a/core/prebuilt.mk+++ b/core/prebuilt.mk@@ -16,6 +16,16 @@ $(error dont use LOCAL_PREBUILT_JAVA_LIBRARIES anymore LOCAL_PATH=$(LOCAL_PATH)) endif +ifneq ($(filter APPS,$(LOCAL_MODULE_CLASS))

Initializing Android build environment in Ubuntu 14.04 is easy and simple.Just invoke

When we specify a package name in our Java code, e.g. the following code

public class MyProcess { public static void main(String[] args) { try { // bash, su or any other command invoke a shell interpreter // we execute the commands sent from outputstream by this

AOSP编译APK的时候，默认情况下，对于prebuilt的APK，没有preopt。preopt的过程是把APK里面的.class分离出来，成为一个单独的.odex，加快Dalvik下APK的安装以及代码的执行速度。下面对于core/prebuilt.mk的补丁可以实现对prebuilt的APKpreopt的功能。--- a/core/prebuilt.mk+++ b/core/prebuilt