android電壓

Ⅰ Android如何得到電量、溫度、電壓

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; //目前電量 private int BatteryV; //電池電壓 private double BatteryT; //電池溫度 private String BatteryStatus; //電池狀態 private String BatteryTemp; //電池使用情況 public TextView TV; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // 注冊一個系統 BroadcastReceiver，作為訪問電池計量之用這個不能直接在AndroidManifest.xml中注冊 registerReceiver(mBatInfoReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); TV = (TextView)findViewById(R.id.TV); } /* 創建廣播接收器 */ 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， 就運行onBatteryInfoReceiver() */ if (Intent.ACTION_BATTERY_CHANGED.equals(action)) { BatteryN = intent.getIntExtra("level", 0); //目前電量 BatteryV = intent.getIntExtra("voltage", 0); //電池電壓 BatteryT = intent.getIntExtra("temperature", 0); //電池溫度 switch