Description: Realization thought:
1 to use a class to represent the first point in the 9 points. Which retains the current point of the upper and lower left and right of the various positions, etc.
2 custom GroupView, used to hold 9 points, 9 points of the display is through the ImageView. Copy the onLayout approach, make arrangement according to demand
3 the definition of a line drawing of View, carbon onTouchEvent method, draw line operation in this method.
4. Determine the fingers of a user s current location, remove the current position to compare with each point in the nine point position, if the location of the user within a certain point, so when the replacement of the background image.
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....\.classpath
....\.project
....\.settings
....\.........\org.eclipse.core.resources.prefs
....\.........\org.eclipse.jdt.core.prefs
....\AndroidManifest.xml
....\assets
....\bin
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....\...\classes.dex
....\...\dexedLibs
....\...\.........\android-support-v4-16a00996e66fcb646f47332f1eb60fa7.jar
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....\...\resources.ap_
....\gen
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....\...\...\......\....\BuildConfig.java
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....\ic_launcher-web.png
....\libs
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....\proguard-project.txt
....\project.properties
....\res
....\...\drawable-hdpi
....\...\.............\gesture_node_highlighted.png
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....\...\.............\ic_launcher.png
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....\...\..............\ic_launcher.png
....\...\drawable-xxhdpi
....\...\...............\ic_launcher.png
....\...\layout
....\...\......\activity_main.xml
....\...\......\item.xml
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....\...\values
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....\...\...................\dimens.xml
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....\...\...\......\....\....\Point.java
....\...\...\......\....\MainActivity.java
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