E/AndroidRuntime(15100): Caused by: java.lang.NullPointerException
E/AndroidRuntime(15100):    at android.support.v7.internal.app.WindowDecorActionBar.getDecorToolbar(WindowDecorActionBar.java:248)
E/AndroidRuntime(15100):    at android.support.v7.internal.app.WindowDecorActionBar.init(WindowDecorActionBar.java:201)
E/AndroidRuntime(15100):    at android.support.v7.internal.app.WindowDecorActionBar.<init>(WindowDecorActionBar.java:176)
E/AndroidRuntime(15100):    at android.support.v7.app.ActionBarActivityDelegateBase.createSupportActionBar(ActionBarActivityDelegateBase.java:156)
E/AndroidRuntime(15100):    at android.support.v7.app.ActionBarActivityDelegate.getSupportActionBar(ActionBarActivityDelegate.java:123)
E/AndroidRuntime(15100):    at android.support.v7.app.ActionBarActivityDelegateBase.onTitleChanged(ActionBarActivityDelegateBase.java:462)
E/AndroidRuntime(15100):    at android.support.v7.app.ActionBarActivity.onTitleChanged(ActionBarActivity.java:176)
E/AndroidRuntime(15100):    at android.app.Activity.onPostCreate(Activity.java:1021)
E/AndroidRuntime(15100):    at android.app.Instrumentation.callActivityOnPostCreate(Instrumentation.java:1150)
E/AndroidRuntime(15100):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2188)