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android电源信息查看(电量、温度、电压)实例代码

转载 作者：qq735679552 更新时间：2022-09-27 22:32:09 29 4
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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:

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import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.os.Bundle;
import android.os.PowerManager;
import android.view.View;
import android.widget.CheckBox;
import android.widget.TextView;
import java.text.DateFormat;
import java.util.Date;
/**
  * So you thought sync used up your battery life.
  */
public class PowerTestActivity extends Activity {
   TextView mLog;
   DateFormat mDateFormat;
   IntentFilter mFilter;
   PowerManager.WakeLock mWakeLock;
   SpinThread mThread;
   @Override
   public void onCreate(Bundle savedInstanceState) {
     super .onCreate(savedInstanceState);
     // Set the layout for this activity. You can find it
     // in res/layout/hello_activity.xml
     setContentView(R.layout.main);
     findViewById(R.id.checkbox).setOnClickListener(mClickListener);
     mLog = (TextView)findViewById(R.id.log);
     mDateFormat = DateFormat.getInstance();
     mFilter = new IntentFilter();
     mFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
     mFilter.addAction(Intent.ACTION_BATTERY_LOW);
     mFilter.addAction(Intent.ACTION_BATTERY_OKAY);
     mFilter.addAction(Intent.ACTION_POWER_CONNECTED);
     PowerManager pm = (PowerManager)getSystemService(POWER_SERVICE);
     mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, "BatteryWaster" );
     mWakeLock.setReferenceCounted( false );
   }
   @Override
   public void onPause() {
     stopRunning();
   }
   View.OnClickListener mClickListener = new View.OnClickListener() {
     public void onClick(View v) {
       CheckBox checkbox = (CheckBox)v;
       if (checkbox.isChecked()) {
         startRunning();
       } else {
         stopRunning();
       }
     }
   };
   void startRunning() {
     log( "Start" );
     registerReceiver(mReceiver, mFilter);
     mWakeLock.acquire();
     if (mThread == null ) {
       mThread = new SpinThread();
       mThread.start();
     }
   }
   void stopRunning() {
     log( "Stop" );
     unregisterReceiver(mReceiver);
     mWakeLock.release();
     if (mThread != null ) {
       mThread.quit();
       mThread = null ;
     }
   }
   void log(String s) {
     mLog.setText(mLog.getText() + "\n" + mDateFormat.format( new Date()) + ": " + s);
   }
   BroadcastReceiver mReceiver = new BroadcastReceiver() {
     public void onReceive(Context context, Intent intent) {
       StringBuffer sb = new StringBuffer();
       String action = 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 ));
         String BatteryStatus = null ;
         switch (intent.getIntExtra( "status" ,
             BatteryManager.BATTERY_STATUS_UNKNOWN)) {
         case BatteryManager.BATTERY_STATUS_CHARGING:
           BatteryStatus = "充电状态" ;
           break ;
         case BatteryManager.BATTERY_STATUS_DISCHARGING:
           BatteryStatus = "放电状态" ;
           break ;
         case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
           BatteryStatus = "未充电" ;
           break ;
         case BatteryManager.BATTERY_STATUS_FULL:
           BatteryStatus = "充满电" ;
           break ;
         case BatteryManager.BATTERY_STATUS_UNKNOWN:
           BatteryStatus = "未知道状态" ;
           break ;
         }
         sb.append( "\n当前状态：" ).append(BatteryStatus);
         String BatteryStatus2 = null ;
         switch (intent.getIntExtra( "plugged" ,
             BatteryManager.BATTERY_PLUGGED_AC)) {
         case BatteryManager.BATTERY_PLUGGED_AC:
           BatteryStatus2 = "AC充电" ;
           break ;
         case BatteryManager.BATTERY_PLUGGED_USB:
           BatteryStatus2 = "USB充电" ;
           break ;
         }
         sb.append( "\n充电方式：" ).append(BatteryStatus2);
         String BatteryTemp = null ;
         switch (intent.getIntExtra( "health" ,
             BatteryManager.BATTERY_HEALTH_UNKNOWN)) {
         case BatteryManager.BATTERY_HEALTH_UNKNOWN:
           BatteryTemp = "未知错误" ;
           break ;
         case BatteryManager.BATTERY_HEALTH_GOOD:
           BatteryTemp = "状态良好" ;
           break ;
         case BatteryManager.BATTERY_HEALTH_DEAD:
           BatteryTemp = "电池没有电" ;
           break ;
         case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
           BatteryTemp = "电池电压过高" ;
           break ;
         case BatteryManager.BATTERY_HEALTH_OVERHEAT:
           BatteryTemp = "电池过热" ;
           break ;
         }
         sb.append( "\n电池状态：" ).append(BatteryTemp);
         log(sb.toString());
       }
     }
   };
   class SpinThread extends Thread {
     private boolean mStop;
     public void quit() {
       synchronized ( this ) {
         mStop = true ;
       }
     }
     public void run() {
       while ( true ) {
         synchronized ( this ) {
           if (mStop) {
             return ;
           }
         }
       }
     }
   }
}

2. main.xml:

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<? xml version = "1.0" encoding = "utf-8" ?>
< LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android"
   android:orientation = "vertical"
   android:layout_width = "fill_parent"
   android:layout_height = "fill_parent"
   >
< CheckBox android: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"
     />
   < ScrollView android:id = "@+id/scroll"
     android:layout_width = "fill_parent"
     android:layout_height = "0px"
     android:layout_weight = "1"
     >
     < TextView android: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:

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<? xml version = "1.0" encoding = "utf-8" ?>
< manifest xmlns:android = "http://schemas.android.com/apk/res/android"
    package = "com.lenovo.android"
    android:versionCode = "1"
    android:versionName = "1.0" >
   < uses-sdk android:minSdkVersion = "8" />
   < application android:icon = "@drawable/icon" android:label = "@string/app_name" >
     < activity android:name = ".PowerTestActivity"
          android:label = "@string/app_name" >
       < intent-filter >
         < action android:name = "android.intent.action.MAIN" />
         < category android:name = "android.intent.category.LAUNCHER" />
       </ intent-filter >
     </ activity >
   </ application >
   < uses-permission android:name = "android.permission.WAKE_LOCK" />
   < uses-permission android: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.

最后此篇关于android电源信息查看(电量、温度、电压)实例代码的文章就讲到这里了,如果你想了解更多关于android电源信息查看(电量、温度、电压)实例代码的内容请搜索CFSDN的文章或继续浏览相关文章，希望大家以后支持我的博客！ 。

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