De-Compile the .apk
Reverse Engineering the .apk file - 1. Create a folder and place your .apk within that folder. 2. change the file format to .zip and extract it a folder 3. Now you can get the folders res, classes.dex etc.. 4. Download dex2jar-2.0 file and extract it to the folder in which where your existing files extracted 5. go the folder where you extracted both .zip and dex2jar-2.0 folder and open the command prompt. 6. give the command d2j-dex2jar classes.dex or dex2jar classes.jar (This is based on your filename in the dex2jar extracted folder) and press enter. 7. Now you got the jar file called 'classes-dex2jar' in the same folder, now download the 'jd-gui-1.4.0'(java decompiler). 8. Open the jd-gui-1.4.0 and select the jar file classes-dex2jar and select save the folder, you will be asking the path to save the folder and once you select the path your comlete Java files will be saved there. Reference Link: http://stackoverflow.com/questions/12732882/reverse-engineering-from-an-