Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

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

public class Main {
    /**
     * return between 0 and 1.
     */
    public static float level(final Context context) {
        final IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        final Intent batteryStatus = context.registerReceiver(null, ifilter);
        final int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        final int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
        return level / (float) scale;
    }
}