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Asked: 2026-05-18T10:58:27+00:00

I have read about activities, stacks and launch modes , but have a hard

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I have read about activities, stacks and launch modes, but have a hard time understanding how to apply this info to my specific problem.

Basically what I want to do is to launch a new activity, and make sure that it takes the parent’s place in the stack, rather than being placed on top of it in the stack. I have the following two scenarios:

  1. I have a login-activity. When the user logs in, a new activity is launched. When the user hits “back”, I don’t want him to be sent back to the login-activity, but rather to exit the program.

  2. I have an activity that is displayed in a tabhost (or rather in a framelayout inside a tabhost, I suppose). This activity has a button, an clicking on this launches a new activity. I would like this new activity to take the parents place. That is, i don’t want to open a new full-screen activity, but instead I want it to take the parent’s place inside the framelayout in the tabhost. Also, I don’t want a press on the back-key to lead the user back to the parent activity.

I would appreciate it if anyone could point me in the right direction. Thanks in advance.

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1 Answer

  1. Editorial Team

    1. All you need to do is call finish() in your Login Activity. That will remove it from the Activity Stack.

    2. This is a more difficult answer. My best suggestion here would be to either use a ViewFlipper and instead of starting a new Activity you can just manage switching the views out. Alternately, if you need the button to start a new Activity, you could use an ActivityGroup and manage the Activitys that way. They both have their own complexities, so you’ll need to investigate which may work better for you.

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