is Battery Low - Android android.os

Android examples for android.os:Battery

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Description

is Battery Low

Demo Code

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

public class Main{

    public static boolean isBatteryLow(Context context) {
        return getBatteryLevel(context) < 0.15; // 15% matches system low battery level
    }/*ww  w .j a va  2s . c  o  m*/
    public static float getBatteryLevel(Context context) {
        Intent batteryStatus = getBatteryStatus(context);
        if (batteryStatus != null) {
            int level = batteryStatus.getIntExtra(
                    BatteryManager.EXTRA_LEVEL, -1);
            int scale = batteryStatus.getIntExtra(
                    BatteryManager.EXTRA_SCALE, -1);
            return (level / (float) scale);
        } else {
            return 0.5f;
        }
    }

}

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