Andriod 获取电池的信息实例代码

概述具体代码如下所示：<?xmlversion=\"1.0\"?><LinearLayoutandroid:orientation=\"vertical\"android:layout_height=\"match_parent\"android:layout_width=\"match_parent\"xmlns:tools=\"http:

具体代码如下所示：

<?xml version="1.0"?><linearLayout androID:orIEntation="vertical" androID:layout_height="match_parent" androID:layout_wIDth="match_parent" xmlns:tools="http://schemas.androID.com/tools" xmlns:androID="http://schemas.androID.com/apk/res/androID"><button androID:layout_height="wrap_content" androID:layout_wIDth="match_parent" androID:text="获取电池的信息" androID:ID="@+ID/btn_battery"/><TextVIEw androID:layout_height="wrap_content" androID:layout_wIDth="match_parent" androID:ID="@+ID/tv_battery"/></linearLayout> package com.example.yanlei.wifi;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.support.v7.app.AppCompatActivity;import androID.vIEw.VIEw;import androID.vIEw.VIEw.OnClickListener;import androID.Widget.button;import androID.Widget.TextVIEw;public class MainActivity extends AppCompatActivity {// 定义电池信息的按钮private button btnBattery;// 定义显示电池信息的textvIEwprivate TextVIEw tvBattery;@OverrIDepublic voID onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentVIEw(R.layout.activity_main);// 得到布局中的所有对象findVIEw();// 设置对象的监听器setListener();}private voID findVIEw() {// 得到布局中的所有对象btnBattery = (button) findVIEwByID(R.ID.btn_battery);tvBattery = (TextVIEw) findVIEwByID(R.ID.tv_battery);}// 设置对象的监听器private voID setListener() {btnBattery.setonClickListener(Listener);}OnClickListener Listener = new OnClickListener() {@OverrIDepublic voID onClick(VIEw v) {// Todo auto-generated method stubswitch (v.getID()) {// 当前的音量case R.ID.btn_battery:IntentFilter filter = new IntentFilter();filter.addAction(Intent.ACTION_BATTERY_CHANGED);registerReceiver(mbroadcastReceiver,filter);break;}}};// 声明广播接受者对象private broadcastReceiver mbroadcastReceiver = new broadcastReceiver() {@OverrIDepublic voID onReceive(Context context,Intent intent) {// Todo auto-generated method stubString action = intent.getAction();if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {// 得到电池状态：// BatteryManager.BATTERY_STATUS_CHARGING：充电状态。// BatteryManager.BATTERY_STATUS_disCHARGING：放电状态。// BatteryManager.BATTERY_STATUS_NOT_CHARGING：未充满。// BatteryManager.BATTERY_STATUS_FulL：充满电。// BatteryManager.BATTERY_STATUS_UNKNowN：未知状态。int status = intent.getIntExtra("status",0);// 得到健康状态：// BatteryManager.BATTERY_HEALTH_GOOD：状态良好。// BatteryManager.BATTERY_HEALTH_DEAD：电池没有电。// BatteryManager.BATTERY_HEALTH_OVER_VolTAGE：电池电压过高。// BatteryManager.BATTERY_HEALTH_OVERHEAT：电池过热。// BatteryManager.BATTERY_HEALTH_UNKNowN：未知状态。int health = intent.getIntExtra("health",0);// boolean类型boolean present = intent.getBooleanExtra("present",false);// 得到电池剩余容量int level = intent.getIntExtra("level",0);// 得到电池最大值。通常为100。int scale = intent.getIntExtra("scale",0);// 得到图标IDint icon_small = intent.getIntExtra("icon-small",0);// 充电方式：　BatteryManager.BATTERY_PLUGGED_AC：AC充电。　BatteryManager.BATTERY_PLUGGED_USB：USB充电。int plugged = intent.getIntExtra("plugged",0);// 得到电池的电压int voltage = intent.getIntExtra("voltage",0);// 得到电池的温度,0.1度单位。例如 表示197的时候，意思为19.7度int temperature = intent.getIntExtra("temperature",0);// 得到电池的类型String technology = intent.getStringExtra("technology");// 得到电池状态String statusstring = "";// 根据状态ID，得到状态字符串switch (status) {case BatteryManager.BATTERY_STATUS_UNKNowN:statusstring = "unkNown";break;case BatteryManager.BATTERY_STATUS_CHARGING:statusstring = "charging";break;case BatteryManager.BATTERY_STATUS_disCHARGING:statusstring = "discharging";break;case BatteryManager.BATTERY_STATUS_NOT_CHARGING:statusstring = "not charging";break;case BatteryManager.BATTERY_STATUS_FulL:statusstring = "full";break;}//得到电池的寿命状态String healthString = "";//根据状态ID，得到电池寿命switch (health) {case BatteryManager.BATTERY_HEALTH_UNKNowN:healthString = "unkNown";break;case BatteryManager.BATTERY_HEALTH_GOOD:healthString = "good";break;case BatteryManager.BATTERY_HEALTH_OVERHEAT:healthString = "overheat";break;case BatteryManager.BATTERY_HEALTH_DEAD:healthString = "dead";break;case BatteryManager.BATTERY_HEALTH_OVER_VolTAGE:healthString = "voltage";break;case BatteryManager.BATTERY_HEALTH_UnspecIFIED_FAILURE:healthString = "unspecifIEd failure";break;}//得到充电模式String acString = "";//根据充电状态ID，得到充电模式switch (plugged) {case BatteryManager.BATTERY_PLUGGED_AC:acString = "plugged ac";break;case BatteryManager.BATTERY_PLUGGED_USB:acString = "plugged usb";break;}//显示电池信息tvBattery.setText("电池的状态：" + statusstring+ "\n健康值: "+ healthString+ "\n电池剩余容量： " + level+ "\n电池的最大值：" + scale+ "\n小图标：" + icon_small+ "\n充电方式：" + plugged+ "\n充电方式: " + acString+ "\n电池的电压：" + voltage+ "\n电池的温度：" + (float) temperature * 0.1+ "\n电池的类型：" + technology);}}};@OverrIDeprotected voID onPause() {super.onPause();// 解除注册监听unregisterReceiver(mbroadcastReceiver);}}

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