getting BATTERY_CHANGED flg=0x60000010 (有附加功能)当尝试在电池电量达到一定程度时执行某些操作

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.BatteryManager;

public class BatteryChangedReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        if (Intent.ACTION_BATTERY_CHANGED.equals(intent.getAction())) {
            int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
            int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
            float batteryPercentage = level * 100 / (float) scale;

            // 判断电池电量是否达到一定程度
            if (batteryPercentage <= 20) {
                // 执行某些操作
                // ...
            }
        }
    }
}