android-lifecycle

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How to use Dialog OnClick Listner in Android?

I am new to Android development. Please excuse me If my question is very simple. I have tried to create a button on my Android Layout view using XML. Now within the Activity class I am trying to get[详细]

2023-03-10 06:49 分类：问答
Android fragments vs compound controls

Why should Android 3.0 fragments be used instead of compound controls? One can create a View inheritor or compound co开发者_StackOverflow中文版ntrol once and use it everywhere.[详细]

2023-03-09 20:13 分类：问答
Android Lifecycle - ActivityManager kills process -> Exception when returning from background

I\'m having a very boring problem. When my app goes to background, sometimes the process is killed as the LogCat shows:[详细]

2023-03-07 00:11 分类：问答
Forcing Android to not redraw activity on orientation change

I have been going gaga to figure this out. Although I have read a lot that on Orientation Change, Android kills an activity and starts it as a fresh one, and the only way to handle this is to save all[详细]

2023-03-04 18:08 分类：问答
onSaveInstanceState when click back button in Android

I have an activity that is called at runtime in an Android App. When the user clicks the back button the Activity is destroyed and I overrode the onSaveInstanceState method to save outState to be retr[详细]

2023-02-23 18:03 分类：问答
How much Android lifecycle handling is too much?

Understandable this question is a little subjective, but I believe there is a concrete answer. I have a really small activity that does nothing more than display some data to the user in a ListActivi[详细]

2023-02-19 05:39 分类：问答
When Can I First Measure a View?

So I have a bit of confusion with trying to set the background drawable of a view as it is displayed. The code relies upon knowing the height of the view, so I can\'t call it from onCreate() or onResu[详细]

2023-01-29 08:15 分类：问答
How to start new activity on button click

In an Android applic开发者_如何学Pythonation, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?Easy.[详细]

2023-01-25 08:39 分类：问答
Question about activity lifecycle: onNewIntent / onSaveInstanceState

I have ActivityLanding which calls an activity called ActivityFolder. In the intent I used putExtra(\"folderId\", \"...\") (I know folderId is not the best example)[详细]

2023-01-18 07:05 分类：问答
Android; How can I initialise state in one activity, then have another refresh that?

I have two activities The first one gets some data from a content provider, and displays it The second activity has a button, and when clicked it should call the first activity to \"refresh\", in ot[详细]

2023-01-16 16:27 分类：问答