修改status_bar.xml :
<LinearLayout android:id="@+id/status_bar_contents"
android:background="#1ABC9C"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingStart="@dimen/status_bar_padding_start"
android:paddingEnd="@dimen/status_bar_padding_end"
android:paddingTop="@dimen/status_bar_padding_top"
android:orientation="horizontal"
>