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Android精准计步开发

亲测在小米.魅族.华为上可用

#1.需要在AndroidManifest.xml中添加权限 ```xml
#2.检测手机是否支持计歩
```java
 /**
     * 判断该设备是否支持计歩
     *
     * @param context
     * @return
     */
    @TargetApi(Build.VERSION_CODES.KITKAT)
    public static boolean isSupportStepCountSensor(Context context) {
        // 获取传感器管理器的实例
        SensorManager sensorManager = (SensorManager) context
                .getSystemService(context.SENSOR_SERVICE);
        Sensor countSensor = sensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER);
        Sensor detectorSensor = sensorManager.getDefaultSensor(Sensor.TYPE_STEP_DETECTOR);
        return countSensor != null || detectorSensor != null;
    }

#3.功能使用

   
    private boolean isBind = false;
    private Messenger mGetReplyMessenger = new Messenger(new Handler(this));
    private Messenger messenger;

    /**
     * 开启计步服务
     */
    private void setupService() {
        Intent intent = new Intent(this, StepService.class);
        isBind = bindService(intent, conn, Context.BIND_AUTO_CREATE);
        startService(intent);


    }
    /**
     * 从service服务中拿到步数
     *
     * @param msg
     * @return
     */
    @Override
    public boolean handleMessage(Message msg) {
        switch (msg.what) {
            case Constant.MSG_FROM_SERVER:
                cc.setCurrentCount(10000, msg.getData().getInt("step"));
                break;
        }
        return false;
    }


    /**
     * 用于查询应用服务(application Service)的状态的一种interface,
     * 更详细的信息可以参考Service 和 context.bindService()中的描述,
     * 和许多来自系统的回调方式一样,ServiceConnection的方法都是进程的主线程中调用的。
     */
    ServiceConnection conn = new ServiceConnection() {
        /**
         * 在建立起于Service的连接时会调用该方法,目前Android是通过IBind机制实现与服务的连接。
         * @param name 实际所连接到的Service组件名称
         * @param service 服务的通信信道的IBind,可以通过Service访问对应服务
         */
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            try {
                messenger = new Messenger(service);
                Message msg = Message.obtain(null, Constant.MSG_FROM_CLIENT);
                msg.replyTo = mGetReplyMessenger;
                messenger.send(msg);
            } catch (RemoteException e) {
                e.printStackTrace();
            }
        }

        /**
         * 当与Service之间的连接丢失的时候会调用该方法,
         * 这种情况经常发生在Service所在的进程崩溃或者被Kill的时候调用,
         * 此方法不会移除与Service的连接,当服务重新启动的时候仍然会调用 onServiceConnected()。
         * @param name 丢失连接的组件名称
         */
        @Override
        public void onServiceDisconnected(ComponentName name) {

        }
    };

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