Merge Two Android applications | Merge two android application

 How can i merge two android applications | Merge two android application 

 You need to change the application project as a module, 

for that: remove the applicationId from the build.gradle file

1. Open the project which you want to merge the other two projects.
2. Click on file > New > Import Module.
3. select the project you want to merge or import.
4. if you see in "Project already contain module with this name" warining.?
5. Check the Import checkbox and change the module name 
6. Uncheck the import check box
7. Click Finish
8. The Gradle will build again, After finishing you can see the project in the left bar.

    Finally 

1. Open the File > Project  Structure 
2. Click on Dependencies > select the parent application > click the + in the dependency 
3. Select the project module need to add