Detailed explanation of Android draw9patch picture production and use

Android draw9patch image production and use

Understand the following four sentences:

Let me take six pictures as examples:

1. QQ colorful bubble chat dialog box is also made with. 9 pictures

Students who have inherited Huanxin im instant messaging can see their source code. The chat dialog box is also made with 9patch.

2. The upper edge is usually 1 pixel. Stretch it left and right according to this point. If the two pictures with red lines drawn on the right are the stretched local area.

3. Generally, the left side is also a pixel point. Stretch up and down according to this point. For example, the two pictures with red lines on the right are the local areas of stretching.

4. Check show content. The stretched part is the area where the current content is displayed, and the purple part on the right is the area where the content is displayed.

5. Ibid

6. Final effect drawing

I hope this article can help you. Thank you for your support!