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Serial connection error: java.lang.NoClassDefFoundError: android.hardware. usb.UsbManager - #4 by Taifun - MIT App Inventor Help - MIT App Inventor Community
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usb - When is a device driver needed and when is it OK to read/write directly to the port? - Software Engineering Stack Exchange
Exception: android.hardware.usb.UsbDevice.getInterface(UsbDevice.java:232) has java.lang.ArrayIndexOutOfBoundsException · Issue #136 · mik3y/usb-serial-for-android · GitHub
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