Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 SnooZy Charger
 Power Connection manager. Turn the screen off on power connection
 or disconnection, to save battery consumption by the phone's display.
    
 Copyright (C) 2013 Mudar Noufal <mn@mudar.ca>
    
 This file is part of SnooZy Charger.
    
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
    
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
    
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

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

public class Main {
    public static float getBatteryLevel(Context context) {
        Intent batteryIntent = context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
        int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

        // Error checking that probably isn't needed, just in case.
        if (level == -1 || scale == -1) {
            return 0.50f;
        }

        return ((float) level / (float) scale);
    }
}