2013-09-08 2 views
0

Я пытаюсь показать растровое изображение внутри вида изображения, используя следующий код:Android - необъяснимые аварии

ImageView imageView = (ImageView) findViewById(R.id.item_picture); 
byte[] decodedString = Base64.decode(temp, Base64.DEFAULT); 
Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length); 
imageView.setImageBitmap(decodedByte); 

Однако он продолжает врезаться в последней строке и я не знаю почему.

Херес LogCat:

09-08 09:29:01.626: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:01.636: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:01.636: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:01.636: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:01.636: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:01.636: E/SoundPool(275): error loading /system/media/audio/ui/KeypressStandard.ogg 
09-08 09:29:01.636: E/SoundPool(275): error loading /system/media/audio/ui/KeypressSpacebar.ogg 
09-08 09:29:01.646: E/SoundPool(275): error loading /system/media/audio/ui/KeypressDelete.ogg 
09-08 09:29:01.646: E/SoundPool(275): error loading /system/media/audio/ui/KeypressReturn.ogg 
09-08 09:29:03.549: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:03.556: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:03.556: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:03.556: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:03.556: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:03.556: E/SoundPool(275): error loading /system/media/audio/ui/KeypressStandard.ogg 
09-08 09:29:03.556: E/SoundPool(275): error loading /system/media/audio/ui/KeypressSpacebar.ogg 
09-08 09:29:03.566: E/SoundPool(275): error loading /system/media/audio/ui/KeypressDelete.ogg 
09-08 09:29:03.566: E/SoundPool(275): error loading /system/media/audio/ui/KeypressReturn.ogg 
09-08 09:29:08.727: E/AndroidRuntime(7288): FATAL EXCEPTION: main 
09-08 09:29:08.727: E/AndroidRuntime(7288): java.lang.NullPointerException 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at com.myCompany.myApp.SearchActivity$MyListAdapter.getView(SearchActivity.java:139) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.AbsListView.obtainView(AbsListView.java:2177) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.ListView.measureHeightOfChildren(ListView.java:1247) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.ListView.onMeasure(ListView.java:1159) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.View.measure(View.java:15848) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.RelativeLayout.measureChild(RelativeLayout.java:698) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:494) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.View.measure(View.java:15848) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.View.measure(View.java:15848) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.LinearLayout.measureVertical(LinearLayout.java:695) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.View.measure(View.java:15848) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5008) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2189) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.View.measure(View.java:15848) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1905) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1104) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1284) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.Choreographer.doCallbacks(Choreographer.java:562) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.Choreographer.doFrame(Choreographer.java:532) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.os.Handler.handleCallback(Handler.java:730) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.os.Handler.dispatchMessage(Handler.java:92) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.os.Looper.loop(Looper.java:137) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at android.app.ActivityThread.main(ActivityThread.java:5103) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at java.lang.reflect.Method.invokeNative(Native Method) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at java.lang.reflect.Method.invoke(Method.java:525) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
09-08 09:29:08.727: E/AndroidRuntime(7288):  at dalvik.system.NativeStart.main(Native Method) 
09-08 09:29:11.216: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:11.226: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:11.226: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:11.226: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:11.236: E/SoundPool(275): error loading /system/media/audio/ui/Effect_Tick.ogg 
09-08 09:29:11.236: E/SoundPool(275): error loading /system/media/audio/ui/KeypressStandard.ogg 
09-08 09:29:11.236: E/SoundPool(275): error loading /system/media/audio/ui/KeypressSpacebar.ogg 
09-08 09:29:11.236: E/SoundPool(275): error loading /system/media/audio/ui/KeypressDelete.ogg 
09-08 09:29:11.246: E/SoundPool(275): error loading /system/media/audio/ui/KeypressReturn.ogg 

Вот код GetView:

@Override 
    public View getView(int position, View convertView, ViewGroup parent) 
    { 
     //make sure we have a view to work with (may have been given null) 
     View itemView = convertView; 

     if(itemView == null) 
     { 
       itemView = getLayoutInflater().inflate(R.layout.list_item, parent, false); 
     } 

     //Find the user to work with 
     Users currentUser = myUsers.get(position); 

     //Fill the view 
     TextView text; 
     text = (TextView) itemView.findViewById(R.id.item_name); 
     text.setText(currentUser.getName()); 

     text = (TextView) itemView.findViewById(R.id.item_location); 
     text.setText(currentUser.getLocation()); 

     String temp = currentUser.getPicture(); 

     if(!temp.equals("noPicture")) 
      { 
       ImageView imageView = (ImageView) findViewById(R.id.item_picture); 
       byte[] decodedString = Base64.decode(temp, Base64.DEFAULT); 
       Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length); 
       imageView.setImageBitmap(decodedByte); 
     } 

     return itemView; 
    } 

Может кто-нибудь увидеть причину для него сбой ??

+0

post 'getView()' code please –

+0

Вместо "getLayoutInflater()" использовать "LayoutInflater inflater = (LayoutInflater) context.getSystemService (Context.LAYOUT_INFLATER_SERVICE);" –

ответ

0

Заменить:

ImageView imageView = (ImageView) findViewById(R.id.item_picture); 

с:

ImageView imageView = (ImageView) itemView.findViewById(R.id.item_picture); 

Вы должны искать View в вашем itemView, так как это View не существует в основной раскладке, она видна только в вашем ListView предметов, поэтому findViewById вернется null.

+0

спасибо за это !!!! большая помощь! – Welton122

+0

Рад, что я могу помочь –

+0

@Mohamed_AbdAllah Пожалуйста, объясните почему. Я знаю, и вы знаете, но будущие посетители не узнают об этом. – Simon