First, ImageView properties:
ANDROID:SRC = Content image of "@drawable/ic_launcher"--imageview (can be used in conjunction with android:background = "#00000")
Android:background = background image for "@drawable/ic_launcher"--imageview
Android:background = RGB color for "#00000"--imageview
Second, set the ImageView control in the layout file
<LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Fill_parent"Android:layout_height= "Fill_parent"android:orientation= "vertical" > <ImageViewAndroid:id= "@+id/imageview1"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:background= "#f0f0f0"android:src= "@drawable/ic_launcher" /> <ImageViewAndroid:id= "@+id/imageview2"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:background= "@drawable/ic_launcher" /> <ImageViewAndroid:id= "@+id/imageview3"Android:layout_width= "Match_parent"Android:layout_height= "20DP"Android:background= "#f0f0f0" /></LinearLayout>
Android Control ImageView (controls that display pictures)