java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.jithin.myapplication/com.example.jithin.myapplication.Song_List}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayHomeAsUpEnabled(boolean)' on a null object reference

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    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.jithin.myapplication/com.example.jithin.myapplication.Song_List}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayHomeAsUpEnabled(boolean)' on a null object reference
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Root Cause Analysis

  1. java.lang.RuntimeException

    Unable to start activity ComponentInfo{com.example.jithin.myapplication/com.example.jithin.myapplication.Song_List}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayHomeAsUpEnabled(boolean)' on a null object reference

    at android.app.ActivityThread.performLaunchActivity()
  2. Android Platform
    ActivityThread.handleLaunchActivity
    1. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2426)
    2. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490)
    2 frames