
2011年7月20日
1.傳感器事件概念
2.為應(yīng)用程序注冊(cè)傳感器
3.獲取傳感器的值和精度
public boolean registerListener (SensorEventListener listener,Sensor sensor,int rate)
樣例
package org.marsdroid.sensor()2;
import android.app.Activitity;
public class MainActivity extends Activity{
//聲明一個(gè)SensorManager對(duì)象
private SensorManager sensorManager;
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//獲取SensorManager對(duì)象
sensorManager=(SensorManager)getSystemService(Context.SESOR_SERVICE);
//獲取光線傳感器對(duì)象
Sensor lightSensor=sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
//注冊(cè)傳感器
sensorManager.registerListener(new SensorEventListener(){
public void onSensorChanged(SensorEvent event){
float acc=event.accuracy;
float lux=event.values[0];
System.out.println("acc---->"+acc);
System.out.println("lux---->"+lux);
}
public void onAccuracyChanged(Sensor sensor,int accuracy){
}
},lightSensor,SensorManager.SENSOR_DELAY_NORMAL);
}
}
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Http://creativecommons.org/licenses/by-nc-sa/2.5/cn/legalcode
1.傳感器的分類
一、動(dòng)作傳感器:加速度傳感器、重力傳感器和陀螺儀等
二、位置傳感器:方向傳感器和磁力傳感器
三、環(huán)境傳感器:溫度傳感器、壓力傳感器和亮度傳感器等
2.Android設(shè)備傳感器的特點(diǎn)
3.獲取手機(jī)當(dāng)中所有傳感器的名稱
使用傳感器的方法:
1.獲取SensorManager對(duì)象
2.執(zhí)行SensorManager對(duì)象的getDefaultSensor()方法獲取Sensor對(duì)象
3.獲取Sensor對(duì)象的各種屬性
http://www.easyui.org.cn/------------JQuery插件 easyUI
http://extjs.org.cn/---------------JQuery插件Extjs
作為一個(gè)java的初學(xué)者,不該在這個(gè)純技術(shù)的領(lǐng)域,發(fā)這個(gè)博文,我且當(dāng)做隨筆好點(diǎn)。寥寥數(shù)語(yǔ),寄予我美好的未來(lái),不斷的憧憬。我喜歡上了這首《Wish YOu were here》,尤其喜歡女生版的。O(∩_∩)O~ 聽到What I‘d do to have near near near near near near near near near
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,I wish you were here, dam,dam ,dam,hear
near mier mier mier mier mier mier mier mier
特 mier mier mier mier
雞
凍
O(∩_∩)O~
不知道為啥子原因,那個(gè)ID不存在了,轉(zhuǎn)而又有個(gè)似曾相識(shí)的 使用著不同的ID。 一個(gè)java初學(xué)者 不能去查IP 是最丟臉的事情,去查了也是很丟臉的玩意! 姑且當(dāng)做落花有意,流水無(wú)情~~
Expiration Date:
If you compel me to put it,I'll say forever!
在以下區(qū)域,試試點(diǎn)擊鼠標(biāo)
Best wish for my best friend!