java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference

  1. 0

    Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference

    Stack Overflow | 3 months ago | Олег Медведев
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference
  2. 0

    Java Android NullPointerExceptionIT怪 挨踢怪 28印象 二八印象

    28im.com | 1 year ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.kristofer.myapplication/com.example.kristofer.myapplication.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference
  3. 0

    Issues When Calling a Method in Android

    Stack Overflow | 1 year ago | CBA110
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference
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  5. 0

    Null pointer execption even when object is not null

    Stack Overflow | 5 months ago | One Step Back
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference
  6. 0

    Youtube Player API results in java.lang.NoClassDefFoundError

    codegur.com | 3 months ago
    java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.salimshivani.student/com.example.salimshivani.student.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference

      at com.smartfon_apps.timetable_sch32.Db$DbHelper.onCreate()
    2. com.smartfon_apps.timetable_sch32
      Db$DbHelper.onCreate
      1. com.smartfon_apps.timetable_sch32.Db$DbHelper.onCreate(Db.java:68)
      1 frame
    3. Android Platform
      SQLiteOpenHelper.getReadableDatabase
      1. android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:251)
      2. android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:187)
      2 frames
    4. com.smartfon_apps.timetable_sch32
      MondayFragment.onCreateView
      1. com.smartfon_apps.timetable_sch32.Db.getAllItems(Db.java:38)
      2. com.smartfon_apps.timetable_sch32.MondayFragment.onCreateView(MondayFragment.java:33)
      2 frames
    5. Android Support v4
      ViewPager.onMeasure
      1. android.support.v4.app.Fragment.performCreateView(Fragment.java:2074)
      2. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)
      3. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1286)
      4. android.support.v4.app.BackStackRecord.run(BackStackRecord.java:758)
      5. android.support.v4.app.FragmentManagerImpl.execSingleAction(FragmentManager.java:1632)
      6. android.support.v4.app.BackStackRecord.commitNowAllowingStateLoss(BackStackRecord.java:637)
      7. android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:143)
      8. android.support.v4.view.ViewPager.populate(ViewPager.java:1237)
      9. android.support.v4.view.ViewPager.populate(ViewPager.java:1085)
      10. android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1611)
      10 frames
    6. Android Platform
      ViewGroup.measureChildWithMargins
      1. android.view.View.measure(View.java:17496)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5466)
      2 frames
    7. android.support.design
      CoordinatorLayout.onMeasure
      1. android.support.design.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:671)
      2. android.support.design.widget.HeaderScrollingViewBehavior.onMeasureChild(HeaderScrollingViewBehavior.java:90)
      3. android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onMeasureChild(AppBarLayout.java:1319)
      4. android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:736)
      4 frames
    8. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17496)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5466)
      3. android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
      3 frames
    9. Android v7
      ContentFrameLayout.onMeasure
      1. android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
      1 frame
    10. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17496)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5466)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1438)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:724)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:615)
      6. android.view.View.measure(View.java:17496)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5466)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
      9. android.view.View.measure(View.java:17496)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5466)
      11. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1438)
      12. android.widget.LinearLayout.measureVertical(LinearLayout.java:724)
      13. android.widget.LinearLayout.onMeasure(LinearLayout.java:615)
      14. android.view.View.measure(View.java:17496)
      15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5466)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
      16 frames
    11. Android
      PhoneWindow$DecorView.onMeasure
      1. com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2636)
      1 frame
    12. Android Platform
      Choreographer.doFrame
      1. android.view.View.measure(View.java:17496)
      2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2031)
      3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1193)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1400)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1078)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5875)
      7. android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
      8. android.view.Choreographer.doCallbacks(Choreographer.java:580)
      9. android.view.Choreographer.doFrame(Choreographer.java:550)
      9 frames