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How to access usb port with Android 3.0 sdk

I heard that Android 3.0 sdk supports USB Host. I want to read / write data to the USB port of an Android device using the Android application. This application will send data to a touch device connected to the usb port of an Android tablet. Is there any sample code or example for reading a USB read?

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Try the MissleLauncher example at http://developer.android.com/resources/samples/USB/MissileLauncher/index.html .

Implements a very simple asynchronous data transfer. Clear, concise code.

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, rooting. IOIO USB- (. ). IOIO, USB.

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