Support Toolbar's custom view not using full width
问题 I'm using support v7's toolbar. I added a custom view, but the custom view doesn't seem to obey "match_parent". It would only stretch as far as the first icon it sees. Does anyone know a fix to this? Or is the toolbar not meant to be used this way? My code: <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match