ImageView picture fill problem

android:scaleType="fitXY"
android:adjustViewBounds="true"

Simple setup ImageView Of scaleType by fitXY It is inevitable that the image will be stretched , The original aspect ratio is destroyed . And set up adjustViewBounds by true Can make ImageView Maintain the aspect ratio of the image to be displayed when displaying the image to be displayed .
here ImageView The width and height attribute of is

android:layout_width="wrap_content"
android:layout_height="match_parent"

source ：Android ImageView Fixed height , Width adaptation ; Fixed width , Highly adaptive