Android模拟器学framework和driver之传感器篇4(Android APP)

上面已经介绍了,android temperature sensor的移植过程,代码页已经贴给大家了,现在我们写一个APK来进行测试,代码很简单,界面也很简单很丑陋,哈哈,大家不要介意,这个aok只是用作测试,这里我就不多做介绍了,直接贴代码。

java代码:

package com.android.jay.sensor1; import android.app.Activity; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import android.os.Bundle; import android.widget.TextView; public class MySensor1Activity extends Activity implements SensorEventListener { /** Called when the activity is first created. */ private TextView tView; SensorManager sensorManager = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); tView=(TextView)findViewById(R.id.tv); sensorManager = (SensorManager)getSystemService(SENSOR_SERVICE); sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_TEMPERATURE),sensorManager.SENSOR_DELAY_GAME); } public void onSensorChanged(SensorEvent event) { if(event.sensor.getType()==Sensor.TYPE_TEMPERATURE) tView.setText("value: "+Float.toString(event.values[0])); } public void onAccuracyChanged(Sensor sensor, int accuracy) { // TODO Auto-generated method stub } }
最后用adb install xxx.apk安装程序,然后再模拟器上运行,结果如下:

Android模拟器学framework和driver之传感器篇4(Android APP)


OK,看到value在不断的变化了吧,完工,下面一节我们会介绍framework层如何处理的。。。