plz help me
Generally, for our Android SDK, you would want to connect to get feature layers through ArcServer, not PostGRES or Microsoft SQL Server via a database connection. You may want to view this StackOverflow post as it explains different ways to make a direct connection. (Pure Android)
Can i use PostgreSQL or mySQL in android App development - Stack Overflow
If I have misunderstood your question, please let me know.
Feature service.
For data capturing which feature layer type have to use ,map service or
feature service
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