android-usb

My goal is to send HDMI CEC commands from a standard (i.e non-system) app running on an Android box equipped with Pulse-Eight's USB dongle. Following these instructions I successfully managed to compile libcec for Android and execute it as root on the box, with this command: echo <my-cec-command> | cec-client -s /dev/ttyACM0 where /dev/ttyACM0 is the device file created by the system when plugging the dongle. However the permissions of this file prevent the command to be executed by a non-root user (therefore it cannot be executed from my Android app). On the other hand the app can actually

I am trying to use the android host api for USB storage. I have many doubts regarding same. What all things are possible using host api. I want to see the content of USB and if possible so the normal file operation. I didnt find any documentation help regarding this. I am able to claimInterface using UsbDeviceConnection class API but I'm unable to understand how the bulkTransfer works so if anyone can guide me or give some reference I will try myself. I tried reading the USB specification also, I understood how bulkTransfer works at USB level but unable to relate how android/java file

I want to use a usb device in the following code. It successfully lists the usb devices and iterates over them. In the following code the object "device" is the usbdevice that i need to open. Everything seems Ok except the OpenDevice() method that always returns a null value ! [Activity(Label = "TestApp", MainLauncher = true, Icon = "@drawable/icon")] [IntentFilter(new[] {UsbManager.ActionUsbDeviceAttached})] [MetaData(UsbManager.ActionUsbDeviceAttached, Resource = "@xml/device_filter")] public class MainActivity : Activity { int count = 1; { base.OnCreate(bundle); // Set our view from the