AccelerometerFragment.java 文件源码

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    logger = SimpleLogger.getInstance(getContext());
    waltDevice = WaltDevice.getInstance(getContext());

    // Inflate the layout for this fragment
    final View view = inflater.inflate(R.layout.fragment_accelerometer, container, false);
    logTextView = (TextView) view.findViewById(R.id.txt_log);
    startButton = view.findViewById(R.id.button_start);
    latencyChart = (ScatterChart) view.findViewById(R.id.latency_chart);
    latencyChartLayout = view.findViewById(R.id.latency_chart_layout);
    logTextView.setMovementMethod(new ScrollingMovementMethod());
    view.findViewById(R.id.button_close_chart).setOnClickListener(this);
    sensorManager = (SensorManager) getContext().getSystemService(Context.SENSOR_SERVICE);
    accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    if (accelerometer == null) {
        logger.log("ERROR! Accelerometer sensor not found");
    }
    return view;
}