protected override async void OnResume()
{
base.OnResume();
adapter = new UsbSerialPortAdapter(this);
await PopulateListAsync();
//register the broadcast receivers
detachedReceiver = new UsbDeviceDetachedReceiver(this);
RegisterReceiver(detachedReceiver, new IntentFilter(UsbManager.ActionUsbDeviceDetached));
attachedReceiver = new UsbDeviceAttachedReceiver(this);
RegisterReceiver(attachedReceiver, new IntentFilter(UsbManager.ActionUsbDeviceAttached));
}
protected override async void OnResume()
{
base.OnResume();
adapter = new UsbSerialPortAdapter(this);
button.Click += async(sender, e) => {
await OnItemClick(sender);
};
await PopulateListAsync();
//register the broadcast receivers
detachedReceiver = new UsbDeviceDetachedReceiver(this);
RegisterReceiver(detachedReceiver, new IntentFilter(UsbManager.ActionUsbDeviceDetached));
}
/* public boolean grantAutomaticPermission(UsbDevice usbDevice)
* {
* try
* {
* Context context=YourActivityOrApplication;
* PackageManager pkgManager=context.getPackageManager();
* ApplicationInfo appInfo=pkgManager.getApplicationInfo(context.getPackageName(), PackageManager.GET_META_DATA);
*
* Class serviceManagerClass=Class.forName("android.os.ServiceManager");
* Method getServiceMethod=serviceManagerClass.getDeclaredMethod("getService",String.class);
* getServiceMethod.setAccessible(true);
* android.os.IBinder binder=(android.os.IBinder)getServiceMethod.invoke(null, Context.USB_SERVICE);
*
* Class iUsbManagerClass=Class.forName("android.hardware.usb.IUsbManager");
* Class stubClass=Class.forName("android.hardware.usb.IUsbManager$Stub");
* Method asInterfaceMethod=stubClass.getDeclaredMethod("asInterface", android.os.IBinder.class);
* asInterfaceMethod.setAccessible(true);
* Object iUsbManager=asInterfaceMethod.invoke(null, binder);
*
*
* System.out.println("UID : " + appInfo.uid + " " + appInfo.processName + " " + appInfo.permission);
* final Method grantDevicePermissionMethod = iUsbManagerClass.getDeclaredMethod("grantDevicePermission", UsbDevice.class,int.class);
* grantDevicePermissionMethod.setAccessible(true);
* grantDevicePermissionMethod.invoke(iUsbManager, usbDevice,appInfo.uid);
*
*
* System.out.println("Method OK : " + binder + " " + iUsbManager);
* return true;
* }
* catch(Exception e)
* {
* System.err.println("Error trying to assing automatic usb permission : ");
* e.printStackTrace();
* return false;
* }
* }*/
protected override async void OnResume()
{
base.OnResume();
firstTime = true;
adapter = new UsbSerialPortAdapter(this);
listView.Adapter = adapter;
listView.ItemClick += async(sender, e) =>
{
await OnItemClick(sender, e);
};
await PopulateListAsync();
await OpenActivity(); //nuevo
//register the broadcast receivers
detachedReceiver = new UsbDeviceDetachedReceiver(this);
RegisterReceiver(detachedReceiver, new IntentFilter(UsbManager.ActionUsbDeviceDetached));
}
