java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.testing.test/com.example.testing.test.MainActivity}: java.lang.NullPointerException

Stack Overflow | Mr.moayed | 3 months ago
  1. 0

    what is the java.lang.NullPointerException in this code

    Stack Overflow | 3 months ago | Mr.moayed
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.testing.test/com.example.testing.test.MainActivity}: java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.example.testing.test.MainActivityFragment.JsonAppShowData()
    2. com.example.testing
      MainActivityFragment.onActivityCreated
      1. com.example.testing.test.MainActivityFragment.JsonAppShowData(MainActivityFragment.java:92)
      2. com.example.testing.test.MainActivityFragment.onActivityCreated(MainActivityFragment.java:58)
      2 frames
    3. Android Support v4
      FragmentActivity.onStart
      1. android.support.v4.app.Fragment.performActivityCreated(Fragment.java:2089)
      2. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1133)
      3. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1290)
      4. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1272)
      5. android.support.v4.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManager.java:2149)
      6. android.support.v4.app.FragmentController.dispatchActivityCreated(FragmentController.java:201)
      7. android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:600)
      7 frames
    4. Android v7
      AppCompatActivity.onStart
      1. android.support.v7.app.AppCompatActivity.onStart(AppCompatActivity.java:178)
      1 frame
    5. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1188)
      2. android.app.Activity.performStart(Activity.java:5382)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2279)
      3 frames