Blame view

app/src/main/java/com/dinhcv/lifelogpedometer/activity/MainActivity.java 2.42 KB
7f095a929   chudinhbka@gmail.com   Create GIT Project
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
  package com.dinhcv.lifelogpedometer.activity;
  
  import android.hardware.Sensor;
  import android.hardware.SensorEvent;
  import android.hardware.SensorEventListener;
  import android.hardware.SensorManager;
  import android.support.v7.app.AppCompatActivity;
  import android.os.Bundle;
  import android.view.View;
  import android.widget.Button;
  import android.widget.TextView;
  
  import com.dinhcv.lifelogpedometer.R;
  
  public class MainActivity extends AppCompatActivity implements SensorEventListener, StepListener {
      private TextView tvSteps;
      private Button btnStart;
      private Button btnStop;
      private StepDetector simpleStepDetector;
      private SensorManager sensorManager;
      private Sensor accel;
      private static final String TEXT_NUM_STEPS = "Number of Steps: ";
      private int numSteps;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_main);
  
  
          // Get an instance of the SensorManager
          sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
          accel = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
          simpleStepDetector = new StepDetector();
          simpleStepDetector.registerListener(this);
  
          tvSteps = (TextView) findViewById(R.id.tv_steps);
          btnStart = (Button) findViewById(R.id.btn_start);
          btnStop = (Button) findViewById(R.id.btn_stop);
  
  
  
          btnStart.setOnClickListener(new View.OnClickListener() {
  
              @Override
              public void onClick(View arg0) {
  
                  numSteps = 0;
                  sensorManager.registerListener(MainActivity.this, accel, SensorManager.SENSOR_DELAY_FASTEST);
  
              }
          });
  
  
          btnStop.setOnClickListener(new View.OnClickListener() {
  
              @Override
              public void onClick(View arg0) {
  
                  sensorManager.unregisterListener(MainActivity.this);
  
              }
          });
      }
  
  
  
      @Override
      public void onAccuracyChanged(Sensor sensor, int accuracy) {
      }
  
      @Override
      public void onSensorChanged(SensorEvent event) {
          if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
              simpleStepDetector.updateAccel(
                      event.timestamp, event.values[0], event.values[1], event.values[2]);
          }
      }
  
      @Override
      public void step(long timeNs) {
          numSteps++;
          tvSteps.setText(TEXT_NUM_STEPS + numSteps);
      }
  
  }