如果要监听电池的状态改变，需要动态注册：android.intent.action.battery_changed，收到action后可以根据对应的key获取你需要的信息，更详细信息可以参考以下例子中的batterychangedreceiver类
具体代码如下所示：
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package com.example.charginganimation;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.view.view;public class mainactivity extends activity {private customcliploading ccl;private batterychangedreceiver receiver = new batterychangedreceiver();@overrideprotected void oncreate(bundle savedinstancestate) {super.oncreate(savedinstancestate);setcontentview(r.layout.main);registerreceiver(receiver, getfilter());}private intentfilter getfilter() {intentfilter filter = new intentfilter();filter.addaction(intent.action_battery_changed);filter.addaction(intent.action_battery_low);filter.addaction(intent.action_battery_okay);return filter;}@overrideprotected void ondestroy() {// todo auto-generated method stubunregisterreceiver(receiver);super.ondestroy();}class batterychangedreceiver extends broadcastreceiver {@overridepublic void onreceive(context context, intent intent) {// todo auto-generated method stubfinal string action = intent.getaction();if (action.equalsignorecase(intent.action_battery_changed)) {system.out.println("batterychangedreceiver battery_changed_action---");// 当前电池的电压int voltage = intent.getintextra(batterymanager.extra_voltage,-1);// 电池的健康状态int health = intent.getintextra(batterymanager.extra_health, -1);switch (health) {case batterymanager.battery_health_cold:system.out.println("battery_health_cold");break;case batterymanager.battery_health_dead:system.out.println("battery_health_dead ");break;case batterymanager.battery_health_good:system.out.println("battery_health_good");break;case batterymanager.battery_health_overheat:system.out.println("battery_health_overheat");break;case batterymanager.battery_health_over_voltage:system.out.println("battery_health_cold");break;case batterymanager.battery_health_unknown:system.out.println("battery_health_unknown");break;case batterymanager.battery_health_unspecified_failure:system.out.println("battery_health_unspecified_failure");break;default:break;}// 电池当前的电量, 它介于0和 extra_scale之间int level = intent.getintextra(batterymanager.extra_level, -1);// 电池电量的最大值int scale = intent.getintextra(batterymanager.extra_scale, -1);// 当前手机使用的是哪里的电源int pluged = intent.getintextra(batterymanager.extra_plugged,-1);switch (pluged) {case batterymanager.battery_plugged_ac:// 电源是ac charger.[应该是指充电器]system.out.println("battery_plugged_ac");break;case batterymanager.battery_plugged_usb:// 电源是usb portsystem.out.println("battery_plugged_usb ");break;default:break;}int status = intent.getintextra(batterymanager.extra_status, -1);switch (status) {case batterymanager.battery_status_charging:// 正在充电system.out.println("battery_status_charging ");break;case batterymanager.battery_status_discharging:system.out.println("battery_status_discharging ");break;case batterymanager.battery_status_full:// 充满system.out.println("battery_status_full ");break;case batterymanager.battery_status_not_charging:// 没有充电system.out.println("battery_status_not_charging ");break;case batterymanager.battery_status_unknown:// 未知状态system.out.println("battery_status_unknown ");break;default:break;}// 电池使用的技术。比如，对于锂电池是li-ionstring technology = intent.getstringextra(batterymanager.extra_technology);// 当前电池的温度int temperature = intent.getintextra(batterymanager.extra_temperature, -1);system.out.println("voltage = " + voltage + " technology = "+ technology + " temperature = " + temperature+ " level = " + level + " scale = " + scale);} else if (action.equalsignorecase(intent.action_battery_low)) {// 表示当前电池电量低system.out.println("batterychangedreceiver action_battery_low---");} else if (action.equalsignorecase(intent.action_battery_okay)) {// 表示当前电池已经从电量低恢复为正常system.out.println("batterychangedreceiver action_battery_okay---");}}}} |
获取apk和版本信息
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private int getvercode(context context) {int vercode = -1;try {vercode = context.getpackagemanager().getpackageinfo("com.example.charginganimation", 0).versioncode;} catch (namenotfoundexception e) {e.printstacktrace();}return vercode;}private string getvername(context context) {string vername = "";try {vername = context.getpackagemanager().getpackageinfo("com.example.charginganimation", 0).versionname;} catch (namenotfoundexception e) {e.printstacktrace();}return vername;} |
以上代码内容是小编给大家介绍的android监听电池状态的实例代码，本文写的不好还请见谅，有好的意见欢迎给小编留言，我会及时给大家沟通的，谢谢大家一直以来对服务器之家网站的支持！
