I want to go from Activity A to Activity B onClick
and back to Activity A if a condition
have not been on Activity B.
Activity A:
onClick() {
Intent intent = new Intent(this, Activity_B.class);
intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
startActivity(intent);
}
Activity B:
if (condition) {
//code for return back to Activity A
}