starting Activities from outside

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starting Activities from outside

Postby metter » Wed Jul 08, 2009 10:03 am

Hello there

I am wondering about the way to go about starting activities.

Let's assume I have Activity A, Activity B and Activity C.

Activity B is shown. When some stuff is done, I want to show Activity C. So far no problem. BUT when the user hits back from Activity C, A should be shown, not B.
Until now I have used some hack ala "ActivityA.startActivityC" which I called from activity B. But somehow i don't believe this is the best way to go here?

A start B
B start C
C back A


Thanks! :)

Cheers
metter
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Postby serkan.dogantekin » Thu Jul 09, 2009 7:20 am

I think you can use startActivityForResult method when starting C from B, like:

in A:
startActivity(new Intent(this,B.class));

in B:
startActivityForResult(new Intent(this,C.class),START_C);

onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == START_C) {
finish();
}
}

in this manner when Activity_C "finishes", the "onActivityResult" will be called in Activity_B with the code specified in the"startActivityForResult" call. And if you call "finish" at that condition, we will be return to the Activity_A
serkan.dogantekin
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