activity-lifecycle

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Android MediaPlayer State Changes

I hope this isn\'t a dumb question, as I am rather new to Android, but I\'m having trouble handling the state changes with MediaPlayer. The mediaplayer works fine while on the screen, and it continues[详细]

2023-03-13 21:47 分类：问答
Does onDestroy() or finish() actually kill the activity?

Actually I know i am asking about the simple and basic concept of Android. But I am a little bit confused about these finish() and onDestroy() methods.[详细]

2023-03-08 10:37 分类：问答
Android: TabHost Activity acting weird after kill / OnSaveInstanceState not called

I am not sure if I am doing something wrong, but as I just stumbled upon a similar bug, it might be another bug as well. I was wondering if you could confirm this or even know a solution?[详细]

2023-03-08 03:09 分类：问答
Why implement onDestroy() if it is not guaranteed to be called?

According to the android Activity Lifecycle, the only callback guaranteed to be called (if an activity ever leaves the Running state, which is typically expected) is onPause().[详细]

2023-03-07 23:49 分类：问答
How to safely finish an Activity in the onResume() method?

My activity\'s onResume() reads off some \"extras\" data from the Intent that started it and updates the UI accordingly.[详细]

2023-03-04 17:45 分类：问答
Callback for "Activity not started, its current task has been brought to the front"?

I understand that if my app is already running and I haven\'t made any code changes, LogCat displays the following warning:[详细]

2023-02-28 04:29 分类：问答
Android Immediately Destroy Activities (Debug-Flag), Realistic?

On my Android Emulator I have the Flag \"Immediately Destroy Activities\". Under this condition my App does not do what I want it to do, because my MainActivity always has to be on the ActivityStack.[详细]

2023-02-27 16:48 分类：问答
Side effects of activity no longer visible?

I wrote a simple app reading a page of text vi开发者_运维知识库a text-to-speech. It works in principle but now I need to implement onPause(), onResume() etc. in a way that would make sense to the end[详细]

2023-02-27 10:34 分类：问答
Android - Clear existing objects and variables in memory when returning to Log In screen

I have an issue where if my user is on the Dashboard screen and presses the phones \'Back\' button, this will then return them to the login screen (which still has their details input) and if they log[详细]

2023-02-18 06:13 分类：问答
Simulate killing of activity in emulator

I would like to test out onSaveInstanceState and onRestoreInstanceState for my app on the emulator. I have found this, which says that we could simulate this during orientation change, but I\'m stori[详细]

2023-02-16 17:10 分类：问答