<style name="AppTheme" parent="Theme.AppCompat"> <item name="toolbarStyle">@style/AppThemeToolbar</item> <item name="android:toolbarStyle">@style/AppThemeToolbar</item> </style> <style name="AppThemeToolbar" parent="Widget.AppCompat.Toolbar" > <item name="contentInsetStart">0dp</item> <item name="android:contentInsetStart">0dp</item> </style>
reference: http://stackoverflow.com/questions/26433409/android-lollipop-appcompat-actionbar-custom-view-doesnt-take-up-whole-screen-w