Build an android app direct on your android phone.

This app work as following:

Call Aapt by jni call ( process android assets)

aapt p -f --auto-add-overlay -M /data/data/com.willbe.builder/templates/src/main/AndroidManifest.xml -F /data/data/com.willbe.builder/templates/build/resources.ap_ -I /data/user/0/com.willbe.builder/files/android-21/android.jar -A /data/data/com.willbe.builder/templates/src/main/assets -S /data/data/com.willbe.builder/templates/src/main/res -J /data/data/com.willbe.builder/templates/build/generated/source

Call sun javac tools to compile MainActivity.java

java -cp /mnt/d/my/lab/Builder/app/build/intermediates/classes/debug:/mnt/d/my/lab/Builder/app/src/main/resources com.willbe.utils.T
 est -verbose  -cp  .:/data/user/0/com.willbe.builder/files/android-21/android.jar  -sourcepath  /data/data/com.willbe.builder/templates/src/main/java:/data/data/com.willbe.builder/templates/build/generated/
 source  -d  /data/data/com.willbe.builder/templates/build/classes  /data/data/com.willbe.builder/templates/src/main/java/com/willbe/myapplication/MainActivity.java

Dex conversion and merging

Build Apk through android sdklib

Sign Apk

Apk alignment(not implemented yet)