illegalstateexception

问题 I'm getting this exception when returning to the original ListActivity after opening an new activity with the content of the item selected by the user. It only occurs on Ice Cream Sandwich. This is the trace: java.lang.IllegalArgumentException: The observer is null. at android.database.Observable.unregisterObserver(Observable.java:59) at android.widget.BaseAdapter.unregisterDataSetObserver(BaseAdapter.java:42) at android.widget.AbsListView.onDetachedFromWindow(AbsListView.java:2373) at

问题 I am trying to implement ads in my android application. I suspected memory leaks when i added ads to my xml layout so i tried the approach described in this post :- Admob Memory Leak - avoiding by using empty activity The ads are rendered and there is no problem except that if in between my app's screens, if i click on home button of the device accidently and then if i go to recent applications and select mine, I get the error :- 03-22 22:17:56.604: E/AndroidRuntime(27206): Caused by: java

问题 My app is using PDF printing using PrintManager. This functionality is running just fine in Android L and M but fails under Android N. Print action is called within a non-fragment activity from options menu in onOptionsItemSelected(). if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE); String jobName = "createPDFReport"; printManager.print(jobName, new InterimReportAdapter(AuditValidation.this,

问题 I have an IllegalStateException Error in this class when cancel or type fast on my AutocompleteTextView. I have read something about that but I can't solve this problem. Anyone can correct my code? Thanks advance for any helpers!! (Sorry for my bad english) This is the full error: java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the

问题 We have an app that's been working for years. So it does NOT use all the latest and greatest features. We've found that on current versions of Android, IF there is text in an EditText control AND you long-touch it - the app crashes with: 11-13 14:26:20.720: E/AndroidRuntime(1253): FATAL EXCEPTION: main 11-13 14:26:20.720: E/AndroidRuntime(1253): java.lang.IllegalStateException: ActionBarContextView can only be used with android:layout_width="match_parent" (or fill_parent) 11-13 14:26:20.720:

问题 My app integrates FCM to receive push notifications and it works okay. However, I am facing issue that on installation it crashes randomly. It is very random and occurring on OS 6.0+ devices till latest but randomly occurs. Code wise, in service class only show notification code is written and added service in manifest. I am getting below exception on app loads Fatal Exception: java.lang.RuntimeException: Unable to start receiver com.google.firebase.iid.FirebaseInstanceIdInternalReceiver:

问题 My app integrates FCM to receive push notifications and it works okay. However, I am facing issue that on installation it crashes randomly. It is very random and occurring on OS 6.0+ devices till latest but randomly occurs. Code wise, in service class only show notification code is written and added service in manifest. I am getting below exception on app loads Fatal Exception: java.lang.RuntimeException: Unable to start receiver com.google.firebase.iid.FirebaseInstanceIdInternalReceiver:

问题 I'm able to generate HFiles using a Java program but whenever I try to import them into my HBase table I get the attached error. I get the same error when, instead of using my Java program, I use completebulkload. It would be a great help if someone could help me out here. I'm stuck on this for some days now and it's starting to get really frustrating. Kind regards, Pieterjan Exception: 12/12/14 17:46:23 WARN mapreduce.LoadIncrementalHFiles: Skipping non-directory hdfs://localhost:9000

问题 I have code that plays mp3 file from assets directory: MediaPlayer mediaPlayer = new MediaPlayer(); descriptor = context.getAssets().openFd("beep.mp3"); mediaPlayer.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength()); mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); mediaPlayer.setVolume(soundLevel, soundLevel); descriptor.close(); mediaPlayer.setLooping(false); mediaPlayer.prepare(); mediaPlayer.start(); This code was working fine on

问题 I can see an exception being thrown on multiple devices for which I could not find anything beside tests classes from Google using that exception's string. Would you have any hint why this could be happening? Fatal Exception: java.lang.IllegalStateException: Can't change activity type once set: { mBounds=Rect(0, 0 - 1080, 2076) mAppBounds=Rect(0, 0 - 1080, 2076) mWindowingMode=fullscreen mActivityType=home} activityType=standard at android.os.Parcel.createException(Parcel.java:1974) at