How to modify the app without source code

The steps to modify this situation are as follows:

1, first of all, select the tool, the tool used is commonly used development tools AndroidStudio, and then install a plug-in smalidea.

2, next to debugging APK decompile, decompile after importing the project.

3, after importing the file directory, edit the project, right-click in the project directory.

4, set the remote debugging options, link name randomly, the default port number is not recommended to change.

5. Execute the command to create a mapping between the debugging tool and the phone.

6, in the directory just decompiled files to modify the app can be debugged.

7, after the modification back to compile, generate Apk, installed on the phone, and open and run can be.