android电压

Ⅰ Android如何得到电量、温度、电压

package com.LB; 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.widget.TextView; public class Battery extends Activity { private int BatteryN; //目前电量 private int BatteryV; //电池电压 private double BatteryT; //电池温度 private String BatteryStatus; //电池状态 private String BatteryTemp; //电池使用情况 public TextView TV; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // 注册一个系统 BroadcastReceiver，作为访问电池计量之用这个不能直接在AndroidManifest.xml中注册 registerReceiver(mBatInfoReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); TV = (TextView)findViewById(R.id.TV); } /* 创建广播接收器 */ private BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { 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)) { BatteryN = intent.getIntExtra("level", 0); //目前电量 BatteryV = intent.getIntExtra("voltage", 0); //电池电压 BatteryT = intent.getIntExtra("temperature", 0); //电池温度 switch