测试android手机是否支持某种感应器
package com.gogler.ui;
import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
public class AndroidUIActivity extends Activity {
/** Called when the activity is first created. */
private SensorManager sms;
private CheckBox gravity,light,orientation;
private Button check;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/*获取UI小组件*/
gravity = (CheckBox) this.findViewById(R.id.gravity);
light = (CheckBox) this.findViewById(R.id.light);
orientation = (CheckBox) this.findViewById(R.id.orientation);
check=(Button) this.findViewById(R.id.check);
/*获取系统的传感器管理服务*/
sms = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
check.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
/*查询是否本机是否提供某种感应器能力*/
if(sms.getDefaultSensor(Sensor.TYPE_ORIENTATION) != null)
orientation.setChecked(true);
if(sms.getDefaultSensor(Sensor.TYPE_ACCELEROMETER) != null)
gravity.setChecked(true);
if(sms.getDefaultSensor(Sensor.TYPE_LIGHT) != null)
light.setChecked(true);
}
});
}
}
摘自 gogler的专栏
补充:移动开发 , Android ,