java.lang.RuntimeException: Unable to start activity ComponentInfo{com.changemystyle.gentlewakeup/com.changemystyle.gentlewakeup.settings.LightSettingsActivity}: java.lang.NullPointerException

Stack Overflow | Alex | 6 months ago
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    Variables all null when changing back to my android app sometimes

    Stack Overflow | 6 months ago | Alex
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.changemystyle.gentlewakeup/com.changemystyle.gentlewakeup.settings.LightSettingsActivity}: java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.changemystyle.gentlewakeup.settings.LightSettingsActivity$LightFragment.updateUI()
    2. com.changemystyle.gentlewakeup
      LightSettingsActivity$LightFragment.onCreate
      1. com.changemystyle.gentlewakeup.settings.LightSettingsActivity$LightFragment.updateUI(LightSettingsActivity.java:192)
      2. com.changemystyle.gentlewakeup.settings.LightSettingsActivity$LightFragment.onCreate(LightSettingsActivity.java:177)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.app.Fragment.performCreate(Fragment.java:1678)
      2. android.app.FragmentManagerImpl.moveToState(FragmentManager.java:859)
      3. android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1062)
      4. android.app.BackStackRecord.run(BackStackRecord.java:684)
      5. android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1453)
      6. android.app.Activity.performStart(Activity.java:5550)
      7. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2377)
      8. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2464)
      9. android.app.ActivityThread.access$900(ActivityThread.java:172)
      10. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1308)
      11. android.os.Handler.dispatchMessage(Handler.java:102)
      12. android.os.Looper.loop(Looper.java:146)
      13. android.app.ActivityThread.main(ActivityThread.java:5653)
      13 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invokeNative(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:515)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)
      2 frames
    6. Android Platform
      NativeStart.main
      1. dalvik.system.NativeStart.main(Native Method)
      1 frame