Android常亮設定以及讀取電量

getwindow().addflags(windowmanager.layoutparams.flag_keep_screen_on);

其中有當前電量字段」level」,總電量」scale」

package com.twei.battery;

import android.content.broadcastreceiver;
import android.content.context;
import android.content.intent;
import android.widget.textview;
/** * 監聽獲取手機系統剩餘電量
* created by twei on 2017/3/14.
*/public class batteryreceiver extends broadcastreceiver 
@override
public void onreceive(context context, intent intent) 
}

intentfilter filter = new intentfilter(intent.action_battery_changed);

receiver = new batteryreceiver(tvelectric);
registerreceiver(receiver, filter);

unregisterreceiver(receiver);

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