java.lang.RuntimeException: Unable to start activity ComponentInfo{vakili.ramin.apps.actionbartest/vakili.ramin.apps.actionbartest .MainActivity}: java.lang.NullPointerException at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)

Stack Overflow | soeldiablo | 8 months ago
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Root Cause Analysis

  1. java.lang.RuntimeException

    Unable to start activity ComponentInfo{vakili.ramin.apps.actionbartest/vakili.ramin.apps.actionbartest .MainActivity}: java.lang.NullPointerException at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)

    at android.app.ActivityThread.access$600()
  2. Android Platform
    ActivityThread.main
    1. android.app.ActivityThread.access$600(ActivityThread.java:123)
    2. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
    3. android.os.Handler.dispatchMessage(Handler.java:99)
    4. android.os.Looper.loop(Looper.java:137)
    5. android.app.ActivityThread.main(ActivityThread.java:4424)
    5 frames
  3. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invokeNative(Native Method)
    2. java.lang.reflect.Method.invoke(Method.java:511)
    2 frames