Answers for "how to many way to pass data in android"

send variable intent

String sessionId = getIntent().getStringExtra("EXTRA_SESSION_ID");

how to many way to pass data in android

we can pass data using intent object,
we can implement serializable , parcelable interface and pass objects by using intent,
we can create a new class by extending Application class, to access global members from anywhere. ...
sharedpreference ,