FAB - square on pre Lollipop and without shadow on Lollipop
问题 It looks like FloatingActionButton is not working ether on Android 4.0 and Lollipop. As you can see on image below, on Android Lollipopo shadow is missing and on Android 4.1.1 it's square :/ Anyone faced this issue? Library version: compile 'com.android.support:design:22.2.0' Code: <android.support.design.widget.FloatingActionButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/abc_ic_clear_mtrl_alpha"/> 回答1: Thanks to @harism comment, simply