General

Requirements

Minimum SDK Version: Android 4.4 - 4.4.4 KitKat (API level 19)

Supported U2F Authenticator Transports

• NFC (requires 
• USB HID
• Bluetooth Low Energy (A.K.A. BLE, Bluetooth Smart)
• Virtual (included in client)

Example U2F Sign (authenticate) code.

...

  mU2fSign = new SurePassIdU2fSign(this, this);
    }

...

• )

...

   @Override public void onAsyncTaskSuccess() {
                Log.v(TAG, "onAsyncTaskSuccess([]): START");
                doU2f();
            }
        });
        mVerifyUsernamePasswordTask.execute(username, password);
    }

...