ava.lang.NullPointerException: Attempt to invoke virtual method 'void com.example.castremotedisplay.CubeRenderer.changeColor()' on a null object reference

GitHub | breakJeff | 11 months ago
  1. 0

    mCubeRenderer doesn't initionalized in some cases

    GitHub | 11 months ago | breakJeff
    ava.lang.NullPointerException: Attempt to invoke virtual method 'void com.example.castremotedisplay.CubeRenderer.changeColor()' on a null object reference
  2. 0

    Null pointer exception Attempt to invoke virtual method 'void android.widget.EditText.addTextChangedListener(android.text.TextWatcher)'

    Stack Overflow | 9 months ago | sun
    ava.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.EditText.addTextChangedListener(android.text.TextWatcher)' on a null object reference
  3. 0

    GitHub comment 107#220311073

    GitHub | 7 months ago | iSoron
    ava.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Bitmap.eraseColor(int)' on a null object reference
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  5. 0

    java - android 组件RecyclerView的使用指教? - SegmentFault

    segmentfault.com | 3 months ago
    ava.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
  6. 0

    NPE from SDK

    GitHub | 2 years ago | MufriA
    ava.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.SearchView.setIconifiedByDefault(boolean)' on a null object reference at com.freshdesk.mobihelp.activity.SolutionArticleListActivity.onCreateOptionsMenu(Unknown:-1)

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    Root Cause Analysis

    1. ava.lang.NullPointerException

      Attempt to invoke virtual method 'void com.example.castremotedisplay.CubeRenderer.changeColor()' on a null object reference

      at com.example.castremotedisplay.PresentationService.changeColor()
    2. com.example.castremotedisplay
      CastRemoteDisplayActivity$1.onClick
      1. com.example.castremotedisplay.PresentationService.changeColor(PresentationService.java:92)
      2. com.example.castremotedisplay.CastRemoteDisplayActivity$1.onClick(CastRemoteDisplayActivity.java:93)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5204)
      2. android.view.View$PerformClick.run(View.java:21153)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:148)
      6. android.app.ActivityThread.main(ActivityThread.java:5417)
      6 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
      2 frames