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Fix crash on Knox devices with USB blocking policies

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This commit is contained in:
Cameron Gutman
2018-02-10 16:56:01 -08:00
parent 617c8582b4
commit 03ecf3e5ac
2 changed files with 14 additions and 1 deletions
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14
app/src/main/java/com/limelight/binding/input/driver/UsbDriverService.java
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@@ -14,8 +14,10 @@ import android.os.Build;
import android.os.Handler;
import android.os.IBinder;
import android.view.InputDevice;
import android.widget.Toast;
import com.limelight.LimeLog;
import com.limelight.R;
import java.util.ArrayList;
@@ -121,7 +123,17 @@ public class UsbDriverService extends Service implements UsbDriverListener {
// Do we have permission yet?
if (!usbManager.hasPermission(device)) {
// Let's ask for permission
usbManager.requestPermission(device, PendingIntent.getBroadcast(UsbDriverService.this, 0, new Intent(ACTION_USB_PERMISSION), 0));
try {
// This function is not documented as throwing any exceptions (denying access
// is indicated by calling the PendingIntent with a false result). However,
// Samsung Knox has some policies which block this request, but rather than
// just returning a false result or returning 0 enumerated devices,
// they throw an undocumented SecurityException from this call, crashing
// the whole app. :(
usbManager.requestPermission(device, PendingIntent.getBroadcast(UsbDriverService.this, 0, new Intent(ACTION_USB_PERMISSION), 0));
} catch (SecurityException e) {
Toast.makeText(this, this.getText(R.string.error_usb_prohibited), Toast.LENGTH_LONG).show();
}
return;
}