Android Landscaping: Point Nine

One, "Point nine" is the Andriod platform of the application software development of a special picture form, file name extension:. 9.png

The smart phone has the function of automatic horizontal screen, the same interface will be in the mobile phone (or tablet computer) in the direction of the sensor in different parameters to change the direction of the display, in the interface to change the direction of the interface of the graphics will be due to the long width of the changes resulting in stretching, resulting in distorted graphics distortion.

We all know that the Android platform has many different resolutions, and that many of the control's Chettu files are blurred and distorted when they are enlarged and stretched.

OK, using the dot nine PNG technology under the Android platform, you can stretch the picture both horizontally and vertically to achieve the perfect display at multiple resolutions.

"General tensile and point nine tensile effects contrast"

The contrast is obvious, after using point nine, can still retain the image of the gradient texture, and roundness of the fineness.

From that we can also understand why it's called "Dot nine png", in fact, the equivalent of a PNG map into 9 parts (nine Sudoku), respectively, 4 corners, 4 edges, and an intermediate area, 4 corners are not to pull up, so you can always keep the rounded corners of the clear state, and 2 water The flat and vertical edges are only horizontal and vertical stretching, so there is no case where the edges will be drawn, only the middle with the area specified by the black line to stretch. The result is that the picture doesn't get distorted

Two. "Point Nine" method of production

Method 1: Use the "draw9patch" tool to draw the following process

1. Installation Tools

First you need to install your own computer in the default directory of Java in the system. Do not install Java students can search in Baidu: jdk-6u20-windows-i586, installation package size of 80M or so.

Then, using the Andriod emulator-android-sdk-windows, open the "Draw9patch.bat" file in the Sdk/tools directory, and the load window appears:

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