具体代码如下所示：
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<?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);}} |
以上所述是小编给大家介绍的andriod 获取电池的信息实例代码，希望对大家有所帮助！
