java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.widget.TextView.toString()' on a null object reference

Stack Overflow | Ankul Jain | 8 months ago
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    Null pointer Exception in TextView using RecyclerView

    Stack Overflow | 8 months ago | Ankul Jain
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.widget.TextView.toString()' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.String android.widget.TextView.toString()' on a null object reference

      at com.appshaala.vorkal.app.CardAdapter.onCreateViewHolder()
    2. com.appshaala.vorkal
      CardAdapter.onCreateViewHolder
      1. com.appshaala.vorkal.app.CardAdapter.onCreateViewHolder(CardAdapter.java:60)
      2. com.appshaala.vorkal.app.CardAdapter.onCreateViewHolder(CardAdapter.java:25)
      2 frames
    3. Android v7
      RecyclerView.onMeasure
      1. android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:5482)
      2. android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4707)
      3. android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4617)
      4. android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:1994)
      5. android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1390)
      6. android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1353)
      7. android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:574)
      8. android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3028)
      9. android.support.v7.widget.RecyclerView.onMeasure(RecyclerView.java:2625)
      9 frames
    4. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:18809)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:748)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:630)
      6. android.view.View.measure(View.java:18809)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      8 frames
    5. Android v7
      ContentFrameLayout.onMeasure
      1. android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
      1 frame
    6. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:18809)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:748)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:630)
      6. android.view.View.measure(View.java:18809)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      9. android.view.View.measure(View.java:18809)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      11. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)
      12. android.widget.LinearLayout.measureVertical(LinearLayout.java:748)
      13. android.widget.LinearLayout.onMeasure(LinearLayout.java:630)
      14. android.view.View.measure(View.java:18809)
      15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5954)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
      16 frames
    7. Android
      PhoneWindow$DecorView.onMeasure
      1. com.android.internal.policy.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2643)
      1 frame
    8. Android Platform
      ActivityThread.main
      1. android.view.View.measure(View.java:18809)
      2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2112)
      3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1228)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1464)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1119)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6060)
      7. android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
      8. android.view.Choreographer.doCallbacks(Choreographer.java:670)
      9. android.view.Choreographer.doFrame(Choreographer.java:606)
      10. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
      11. android.os.Handler.handleCallback(Handler.java:746)
      12. android.os.Handler.dispatchMessage(Handler.java:95)
      13. android.os.Looper.loop(Looper.java:148)
      14. android.app.ActivityThread.main(ActivityThread.java:5443)
      14 frames
    9. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    10. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
      2 frames