Dex2jar And JD-GUI These two tools are a good helper for learning android.
Dex2jar: Http://laichao.googlecode.com/files/dex2jar-0.0.7-SNAPSHOT.zip
JD-GUI:
Windows edition JD-GUI: Http://laichao.googlecode.com/files/jdgui.zip
Linux edition JD-GUI: Http://laichao.googlecode.com/files/jd-gui-0.3.2.linux.i686.tar.gz
1. First find classes. Dex in the android installation package
Change the APK file name to .zip, and decompress the classes file. dex file, which is compiled by a Java file and then packaged by the DX tool. Now we use the two tools mentioned above to export the Java source file in reverse direction.
2. Copy classes. Dex to the directory where dex2jar. bat is located.
In command line mode, locate the directory where dex2jar. bat is located and run dex2jar. Bat classes. Dex to generate classes. Dex. dex2jar. jar.
3. Run JD-GUI tools
Open the JAR File above and you will seeSource code