Android工具栏背景[重复]

  <RelativeLayout
                android:id="@+id/my_toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:theme="@style/ActionBarThemeOverlay"
                app:popupTheme="@style/ActionBarPopupThemeOverlay"
                android:elevation="4dp"
                android:background="@color/white">

              <ImageView
                    android:layout_width="60dp"
                    android:layout_height="?attr/actionBarSize"
                    android:src="@drawable/yourImage"/>

    </RelativeLayout>

<android.support.v7.widget.Toolbar 
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/my_img"
app:titleTextColor="@color/colorWhite"
android:theme="@style/ThemeOverlay.AppCompat.Light"
>
</android.support.v7.widget.Toolbar>