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android - RecyclerView corrupts view using notifyItemMoved()
    I'm having a problem with using the notifyItemMoved() method. It seems to be incorrectly displaying unmoved views. ... is invisible to the user. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - RecyclerView.Adapter.notifyItemMoved(0,1) scrolls screen
    I have a RecyclerView managed by a LinearlayoutManager, if I swap item 1 with 0 and then call mAdapter.notifyItemMoved ... How can I prevent it? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android ViewModelFactory with hilt
    I am first trying android ViewModel and Hilt DI As i understand from below link, to initialize ViewModel with a ... with parameters on run-time? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - "Cannot draw recycled bitmaps" when displaying bitmaps in Gallery attached to Adapter
    In Android 4.1 a, to me, seemingly strange error occurs in our app. In the app a custom adapter extending ... disk/sdcard or fetch it remotely. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Google Play services out of date. Requires 4030500 but found 3266132
    I just made an update and I can't execute my project any more. It says: 10-31 23:23:18.033: W/ ... Services, revision 13) (gms and vending) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - java.io.NotSerializableException while writing Serializable object to external storage?
    friends, i am using following code to write Serializable object to external storage. it throws me error java.io ... help would be appreciated. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Unable to check/uncheck CheckedTextView inside getView
    I'm loading phone contacts in a custom ListView. Each row is a checkable LinearLayout containing a CheckedTextView and ... ve taken it from here See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - ActionBarDrawerToggle v7 arrow color
    When I try to change navigation drawer toggle color, only hamburger changes it, arrow keeps her native color. You ... What am I doing wrong? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - how to get file name from URI
    Hello I am develop video player with android gallery. I receive URI from gallry. and I need to display video ... content file name? thank you See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Delete border space around GridView
    I try to remove red border around GridView to completely fill screen my calendar(without padding from left, right and ... what's the problem ? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Binding to a service from another app
    I wrote two apps (target Gingerbread). Let say app1 and app2. App1 has two services started with " ... I might have missed something. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Change spinner style in toolbar
    I am trying to put a spinner in my Toolbar like the old ActionBar style navigation and my theme is ... ); mToolbar.addView(mNavigationSpinner) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - How Do I Use 'RotateDrawable'?
    Could anyone tell me how they have got 'RotateDrawable' to work whether it be from code or XML or both? ... from XML? Many thanks Kerubu See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Application Launcher Text - Application Name in two lines
    Currently i am developing an application whose name is long , so i would like to display name in two line same as ... is it possible to do so? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Should there be one SQLiteOpenHelper for each table in the database?
    Is it better to have a single big SQLiteOpenHelper subclass that defines onCreate and onUpgrade methods for every ... and bad side effects? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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536 views
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android - Customizing the setError icon for EditText
    I want to set a setError method to my EditText, with a custom icon instead of the default Android icon. So I ... way to set that custom icon? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - Can hierarchyviewer be used with a real device other than the Nexus?
    I'd really like to use hierarchyviewer with my Samsung Galaxy S. Is there any way to turn it into a developer phone? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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447 views
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android - publishProgress from inside a function in doInBackground?
    I use an AsyncTask to perform a long process. I don't want to place my long process code directly inside ... that does not change my problem. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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745 views
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android - Type safety: Unchecked cast from Object to List<MyObject>
    I have a ListView listing a custom object (let's say MyObject). I want to filter it dynamically through an ... <MyObject> ? Thanks in advance! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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707 views
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android - Why is AppTheme.NoActionBar not working?
    I've created an Android app in Android Studio, and it has created these styles by default: <style name=" ... R.layout.activity_welcome); } } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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451 views
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android - Error: "Error parsing XML: XML or text declaration not at start of entity"
    I am making a Sudoku Android app and I am getting the following errors under main.xml: "error: Error parsing ... exit_label"/> </LinearLayout> ` See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
android - How to uncheck checked items in Navigation View?
    I know it's possible to highlight a navigation view item by calling setCheckedItem() or return true value in ... items of a navigation view? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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387 views
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android - How can I update the contents of an entry in the Call Log?
    I would like to update the CallLog.Calls.TYPE field of the first entry in the Android Call Log from MISSED to ... 0), newValues,null,null); See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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android - FilterQueryProvider, filter and ListView
    I have a database as follows: ------------------------------ BOOK NAME | BOOK FORMAT | COUNT ... hierarchy can touch its views" Please help me. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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460 views
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android - ViewPager with expandable child
    I'm trying to create collapsable calendar. I'm using custom calendarView in ViewPager, so when expand/collapse ... very similar to this question See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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392 views
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android - Using Butter Knife library for view injection
    What i am doing:: I am trying to run butter knife library for my simple project I have followed all the steps in ... signal. PID: 913 SIG: 9 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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348 views
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android - How does one remove default Toolbar menu items and replace with different icons?
    I am using a toolbar from v7.widget.Toolbar support library and v7.app.ActionBarActivity. When the onCreateOptionsMenu ... (menu); ... See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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525 views
1 answer
android - Get Running Processes List and Kill Their Background Services
    I am building an Android app for RAM optimization. I can successfully get the list of running processes (and ... background services by PID. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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