This is a demonstration to show how to implement Ideamart Subscription API with Android with using Retrofit HTTP Library.
Only Tested with Ideamart Emulator 2.0.
public static final String BASE_URL = "http://10.0.2.2:7000/subscription/";
to this
public static final String BASE_URL = "https://api.dialog.lk/subscription/";
in API>>APIUrl.java file
Retrofit 2 > implementation 'com.squareup.retrofit2:retrofit:2.2.0'
GSON Library > implementation 'com.squareup.retrofit2:converter-gson:2.2.0'
Not tested in Real Environment.