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GPIO matrix keypad driver installation
Hi All

I'm trying to add matrix keypad driver in tinker android with the help of following links ( and but it's not working.

The links suggest to add a path in build.gradle file and to add permission in manifest file of application.
I have added the path in developers/samples/android/input/keyboard/CommitContentSampleApp/build.gradle and CommitContentSampleIME/build.gradle files and after successfully compiling the android it get stucked on android logo during boot time.
I don't know in which build.gradle file I have to add that path.

Can anybody tell me how to add GPIO matrix keypad driver in Tinker android.

Please Help Cry

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