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

Stack Overflow | PWS | 1 month ago
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  1. 0
    samebug tip
    If you're using nested fragments, you have to use childFragmentManager instead of fragmentManager.
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    samebug tip
    You can't use hide() or remove() or many things with NULL values, try checking for NULL before calling this methods.
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    samebug tip
    Also, check if you're not using android.support.v4.app.FragmentTransaction with android.app.Fragment and vice-versa
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    samebug tip
    Annotation processor is not running in your project. Clean and rebuild your project. You can also delete .apt_generated folder, for a cleaner build.
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    Can't get location

    Stack Overflow | 1 month ago | PWS
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference

      at com.example.android.pws.fragment.HomeFragment.onCreateView()
    2. com.example.android
      HomeFragment.onCreateView
      1. com.example.android.pws.fragment.HomeFragment.onCreateView(HomeFragment.java:141)
      1 frame
    3. Android Support v4
      FragmentManagerImpl$1.run
      1. android.support.v4.app.Fragment.performCreateView(Fragment.java:2080)
      2. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1108)
      3. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1290)
      4. android.support.v4.app.BackStackRecord.run(BackStackRecord.java:801)
      5. android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1677)
      6. android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:536)
      6 frames
    4. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:158)
      4. android.app.ActivityThread.main(ActivityThread.java:7230)
      4 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
      2 frames