The difference between ANDROID:SRC and Android:background in Android ImageView

The difference between ANDROID-SRC and Android-background in the ImageView of http://www.androidren.com/index.php?qa=301&qa_1=android

There are several different points:

1.SRC is the foreground foreground. Background is background background.

2.SRC is the display content, background is the background.

3.background is a property of all view, and SRC is imageview specific, it will be Android:scaletype, while background always zooms to the size of the view.

Attached: More detailed description of ScaleType:

Center/center display pictures in the center of the view and do not scale the picture

Center_crop/centercrop scale the picture so that the image is longer (wider) than equal to the corresponding dimension of the view

Center_inside/centerinside scale the picture so that the image is longer (wider) than equal to the corresponding dimension of the view

Fit_center/fitcenter scale the picture to the smallest edge of the view, centered on the display

Fit_end/fitend scale the picture to the smallest edge of the view, displayed in the lower part of the view

Fit_start/fitstart enlarge/Shrink the picture to the smallest edge of the view, displayed in the upper part of the view

Fit_xy/fitxy The picture is not scaled proportionally to the size of the view

Matrix/matrix using matrices to draw

The difference between ANDROID:SRC and Android:background in Android ImageView