android.view.InputDevice.MotionRange Java Examples

@Override
public boolean onGenericMotion(View v, MotionEvent event) {
    if ((event.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0
            && event.getAction() == MotionEvent.ACTION_MOVE) {
        List<MotionRange> motionRanges = event.getDevice().getMotionRanges();
        for(MotionRange mr : motionRanges){
            int axis = mr.getAxis();
            if(event.getAxisValue(axis) > 0.5 || event.getAxisValue(axis) < -0.5){
                Log.i(TAG, "Axis found: " + MotionEvent.axisToString(axis));
                this.mAxisName = MotionEvent.axisToString(axis);
                mValueTextView.setText(mAxisName);
            }
        }
    }else{
        Log.i(TAG, "Not a joystick event.");
    }
    return true;
}
 

public List<Joystick> loadJoysticks(int joyId, InputManager inputManager) {
    logger.log(Level.INFO, "loading Joystick devices");
    ArrayList<Joystick> joysticks = new ArrayList<Joystick>();
    joysticks.clear();
    joystickIndex.clear();

    ArrayList<Integer> gameControllerDeviceIds = new ArrayList<>();
    int[] deviceIds = InputDevice.getDeviceIds();
    for (int deviceId : deviceIds) {
        InputDevice dev = InputDevice.getDevice(deviceId);
        int sources = dev.getSources();
        logger.log(Level.FINE, "deviceId[{0}] sources: {1}", new Object[]{deviceId, sources});

        // Verify that the device has gamepad buttons, control sticks, or both.
        if (((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD) ||
                ((sources & InputDevice.SOURCE_JOYSTICK) == InputDevice.SOURCE_JOYSTICK)) {
            // This device is a game controller. Store its device ID.
            if (!gameControllerDeviceIds.contains(deviceId)) {
                gameControllerDeviceIds.add(deviceId);
                logger.log(Level.FINE, "Attempting to create joystick for device: {0}", dev);
                // Create an AndroidJoystick and store the InputDevice so we
                // can later correspond the input from the InputDevice to the
                // appropriate jME Joystick event
                AndroidJoystick joystick = new AndroidJoystick(inputManager,
                                                            joyInput,
                                                            dev,
                                                            joyId+joysticks.size(),
                                                            dev.getName());
                joystickIndex.put(deviceId, joystick);
                joysticks.add(joystick);

                // Each analog input is reported as a MotionRange
                // The axis number corresponds to the type of axis
                // The AndroidJoystick.addAxis(MotionRange) converts the axis
                // type reported by Android into the jME Joystick axis
                List<MotionRange> motionRanges = dev.getMotionRanges();
                for (MotionRange motionRange: motionRanges) {
                    logger.log(Level.INFO, "motion range: {0}", motionRange.toString());
                    logger.log(Level.INFO, "axis: {0}", motionRange.getAxis());
                    JoystickAxis axis = joystick.addAxis(motionRange);
                    logger.log(Level.INFO, "added axis: {0}", axis);
                }

                // InputDevice has a method for determining if a keyCode is
                // supported (InputDevice  public boolean[] hasKeys (int... keys)).
                // But this method wasn't added until rev 19 (Android 4.4)
                // Therefore, we only can query the entire device and see if
                // any InputDevice supports the keyCode.  This may result in
                // buttons being configured that don't exist on the specific
                // device, but I haven't found a better way yet.
                for (int keyCode: AndroidGamepadButtons) {
                    logger.log(Level.INFO, "button[{0}]: {1}",
                            new Object[]{keyCode, KeyCharacterMap.deviceHasKey(keyCode)});
                    if (KeyCharacterMap.deviceHasKey(keyCode)) {
                        // add button even though we aren't sure if the button
                        // actually exists on this InputDevice
                        logger.log(Level.INFO, "button[{0}] exists somewhere", keyCode);
                        JoystickButton button = joystick.addButton(keyCode);
                        logger.log(Level.INFO, "added button: {0}", button);
                    }
                }

            }
        }
    }


    loaded = true;
    return joysticks;
}
 

protected JoystickAxis addAxis(MotionRange motionRange) {

            String name = MotionEvent.axisToString(motionRange.getAxis());

            String original = MotionEvent.axisToString(motionRange.getAxis());
            if (motionRange.getAxis() == MotionEvent.AXIS_X) {
                original = JoystickAxis.X_AXIS;
            } else if (motionRange.getAxis() == MotionEvent.AXIS_Y) {
                original = JoystickAxis.Y_AXIS;
            } else if (motionRange.getAxis() == MotionEvent.AXIS_Z) {
                original = JoystickAxis.Z_AXIS;
            } else if (motionRange.getAxis() == MotionEvent.AXIS_RZ) {
                original = JoystickAxis.Z_ROTATION;
            } else if (motionRange.getAxis() == MotionEvent.AXIS_HAT_X) {
                original = JoystickAxis.POV_X;
            } else if (motionRange.getAxis() == MotionEvent.AXIS_HAT_Y) {
                original = JoystickAxis.POV_Y;
            }
            String logicalId = JoystickCompatibilityMappings.remapComponent( getName(), original );
            if( logicalId == null ? original != null : !logicalId.equals(original) ) {
                logger.log(Level.FINE, "Remapped: {0} to: {1}",
                        new Object[]{original, logicalId});
            }

            JoystickAxis axis = new DefaultJoystickAxis(getInputManager(),
                                                this,
                                                getAxisCount(),
                                                name,
                                                logicalId,
                                                true,
                                                true,
                                                motionRange.getFlat());

            if (motionRange.getAxis() == MotionEvent.AXIS_X) {
                xAxis = axis;
            }
            if (motionRange.getAxis() == MotionEvent.AXIS_Y) {
                yAxis = axis;
            }
            if (motionRange.getAxis() == MotionEvent.AXIS_HAT_X) {
                povX = axis;
            }
            if (motionRange.getAxis() == MotionEvent.AXIS_HAT_Y) {
                povY = axis;
            }

            addAxis(axis);
            axisIndex.put(motionRange.getAxis(), axis);
            return axis;
        }