java.lang.RuntimeException: Unable to start activity ComponentInfo{com.asoft.admin.anto_tab/com.asoft.admin.anto_tab.MainActivity}: 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. at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)

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