android电源信息查看

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android电源信息、温度查看

PowerTestActivity    

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;
                    }
                }
            }
        }
    }
}

main.xml    

<?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>

AndroidManifest.xml

<?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>