java.lang.RuntimeException: Unable to start activity ComponentInfo{chrisrenke.drawerarrowdrawable/chrisrenke.drawerarrowdrawable.DrawerArrowSample}: java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor. Do not request Window.FEATURE_SUPPORT_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead.
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