Android 9Patch image usage-android learning journey (18th ),

Android 9Patch image usage-android learning journey (18th ),
9patch usage

9 patch images are often used for sending messages and other images. They are only used to zoom in to some areas of the photos, so that the overall image shape is not affected and convenient.
Next we will introduce:
In the tools directory under the android SDK installation directory, you can find the draw9patch. bat file, just click it.
The straight lines on the left and top are responsible for zooming the area, the straight lines on the right and the lower lines, and content display.