java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Runnable)' on a null object reference

Stack Overflow | fauzi | 2 months ago
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  1. 0

    runOnUiThread throws an error in fragment while implementing TImer

    Stack Overflow | 2 months ago | fauzi
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Runnable)' on a null object reference
  2. 0

    Stop Fragment Timer onCloseActivity

    Stack Overflow | 6 months ago | Joe Cade
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Runnable)' on a null object reference
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    Android runOnUiThread crash when pressing Back button

    Stack Overflow | 2 years ago | JozeRi
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Runnable)' on a null object reference
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  5. 0

    NullPointerException on getActivity().runOnUiThread(new Runnable(){

    Stack Overflow | 3 years ago | Robin
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Runnable)' on a null object reference
  6. 0

    NPE in Calender fragment

    GitHub | 5 months ago | kordianbruck
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Runnable)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Runnable)' on a null object reference

      at com.project.ko_jek.Home$MyTimer.run()
    2. com.project.ko_jek
      Home$MyTimer.run
      1. com.project.ko_jek.Home$MyTimer.run(Home.java:112)
      1 frame
    3. Java RT
      Timer$TimerImpl.run
      1. java.util.Timer$TimerImpl.run(Timer.java:284)
      1 frame