relativelayout above
时间: 2023-09-22 07:08:11 浏览: 87
RelativeLayout
RelativeLayout is a layout manager in Android that allows you to position views relative to other views in the layout. The "above" attribute in RelativeLayout is used to position a view above another view in the layout.
To use the "above" attribute, simply add it to the XML layout file for your view and specify the ID of the view that you want to position your view above. For example, if you want to position a button above an image view, you can use the following code:
```
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/my_image" />
<Button
android:id="@+id/myButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/imageView"
android:text="My Button" />
</RelativeLayout>
```
In the above example, the "myButton" view is positioned above the "imageView" view in the layout.
阅读全文