android电源信息查看(电量、温度、电压)实例代码
本文实例讲述了android电源信息查看方法。分享给大家供大家参考。具体如下：
1.PowerTestActivity：
importandroid.app.Activity;
importandroid.content.BroadcastReceiver;
importandroid.content.Context;
importandroid.content.Intent;
importandroid.content.IntentFilter;
importandroid.os.BatteryManager;
importandroid.os.Bundle;
importandroid.os.PowerManager;
importandroid.view.View;
importandroid.widget.CheckBox;
importandroid.widget.TextView;
importjava.text.DateFormat;
importjava.util.Date;
/**
*Soyouthoughtsyncusedupyourbatterylife.
*/
publicclassPowerTestActivityextendsActivity{
TextViewmLog;
DateFormatmDateFormat;
IntentFiltermFilter;
PowerManager.WakeLockmWakeLock;
SpinThreadmThread;
@Override
publicvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
//Setthelayoutforthisactivity.Youcanfindit
//inres/layout/hello_activity.xml
setContentView(R.layout.main);
findViewById(R.id.checkbox).setOnClickListener(mClickListener);
mLog=(TextView)findViewById(R.id.log);
mDateFormat=DateFormat.getInstance();
mFilter=newIntentFilter();
mFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
mFilter.addAction(Intent.ACTION_BATTERY_LOW);
mFilter.addAction(Intent.ACTION_BATTERY_OKAY);
mFilter.addAction(Intent.ACTION_POWER_CONNECTED);
PowerManagerpm=(PowerManager)getSystemService(POWER_SERVICE);
mWakeLock=pm.newWakeLock(PowerManager.FULL_WAKE_LOCK,"BatteryWaster");
mWakeLock.setReferenceCounted(false);
}
@Override
publicvoidonPause(){
stopRunning();
}
View.OnClickListenermClickListener=newView.OnClickListener(){
publicvoidonClick(Viewv){
CheckBoxcheckbox=(CheckBox)v;
if(checkbox.isChecked()){
startRunning();
}else{
stopRunning();
}
}
};
voidstartRunning(){
log("Start");
registerReceiver(mReceiver,mFilter);
mWakeLock.acquire();
if(mThread==null){
mThread=newSpinThread();
mThread.start();
}
}
voidstopRunning(){
log("Stop");
unregisterReceiver(mReceiver);
mWakeLock.release();
if(mThread!=null){
mThread.quit();
mThread=null;
}
}
voidlog(Strings){
mLog.setText(mLog.getText()+"\n"+mDateFormat.format(newDate())+":"+s);
}
BroadcastReceivermReceiver=newBroadcastReceiver(){
publicvoidonReceive(Contextcontext,Intentintent){
StringBuffersb=newStringBuffer();
Stringaction=intent.getAction();
/*
*如果捕捉到的action是ACTION_BATTERY_CHANGED，就运行onBatteryInfoReceiver()
*/
if(Intent.ACTION_BATTERY_CHANGED.equals(action)){
sb.append("\n当前电量:").append(intent.getIntExtra("level",0));
sb.append("\n电池电量:").append(intent.getIntExtra("scale",100));
//电池伏数
sb.append("\n当前电压：").append(intent.getIntExtra("voltage",0));
//电池温度
sb.append("\n当前温度：").append(
intent.getIntExtra("temperature",0));
StringBatteryStatus=null;
switch(intent.getIntExtra("status",
BatteryManager.BATTERY_STATUS_UNKNOWN)){
caseBatteryManager.BATTERY_STATUS_CHARGING:
BatteryStatus="充电状态";
break;
caseBatteryManager.BATTERY_STATUS_DISCHARGING:
BatteryStatus="放电状态";
break;
caseBatteryManager.BATTERY_STATUS_NOT_CHARGING:
BatteryStatus="未充电";
break;
caseBatteryManager.BATTERY_STATUS_FULL:
BatteryStatus="充满电";
break;
caseBatteryManager.BATTERY_STATUS_UNKNOWN:
BatteryStatus="未知道状态";
break;
}
sb.append("\n当前状态：").append(BatteryStatus);
StringBatteryStatus2=null;
switch(intent.getIntExtra("plugged",
BatteryManager.BATTERY_PLUGGED_AC)){
caseBatteryManager.BATTERY_PLUGGED_AC:
BatteryStatus2="AC充电";
break;
caseBatteryManager.BATTERY_PLUGGED_USB:
BatteryStatus2="USB充电";
break;
}
sb.append("\n充电方式：").append(BatteryStatus2);
StringBatteryTemp=null;
switch(intent.getIntExtra("health",
BatteryManager.BATTERY_HEALTH_UNKNOWN)){
caseBatteryManager.BATTERY_HEALTH_UNKNOWN:
BatteryTemp="未知错误";
break;
caseBatteryManager.BATTERY_HEALTH_GOOD:
BatteryTemp="状态良好";
break;
caseBatteryManager.BATTERY_HEALTH_DEAD:
BatteryTemp="电池没有电";
break;
caseBatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
BatteryTemp="电池电压过高";
break;
caseBatteryManager.BATTERY_HEALTH_OVERHEAT:
BatteryTemp="电池过热";
break;
}
sb.append("\n电池状态：").append(BatteryTemp);
log(sb.toString());
}
}
};
classSpinThreadextendsThread{
privatebooleanmStop;
publicvoidquit(){
synchronized(this){
mStop=true;
}
}
publicvoidrun(){
while(true){
synchronized(this){
if(mStop){
return;
}
}
}
}
}
}
2.main.xml：
<?xmlversion="1.0"encoding="utf-8"?> <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <CheckBoxandroid:id="@+id/checkbox" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginLeft="25dp" android:layout_marginTop="25dp" android:textSize="18sp" android:textColor="#ffffffff" android:text="电源测试" /> <ScrollViewandroid:id="@+id/scroll" android:layout_width="fill_parent" android:layout_height="0px" android:layout_weight="1" > <TextViewandroid:id="@+id/log" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="25dp" android:textSize="12sp" android:textColor="#ffffffff" /> </ScrollView> </LinearLayout>
3.AndroidManifest.xml：
<?xmlversion="1.0"encoding="utf-8"?> <manifestxmlns:android="http://schemas.android.com/apk/res/android" package="com.lenovo.android" android:versionCode="1" android:versionName="1.0"> <uses-sdkandroid:minSdkVersion="8"/> <applicationandroid:icon="@drawable/icon"android:label="@string/app_name"> <activityandroid:name=".PowerTestActivity" android:label="@string/app_name"> <intent-filter> <actionandroid:name="android.intent.action.MAIN"/> <categoryandroid:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> </application> <uses-permissionandroid:name="android.permission.WAKE_LOCK"/> <uses-permissionandroid:name="android.permission.DEVICE_POWER"/> </manifest>
希望本文所述对大家的Android程序设计有所帮助。