Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Ubuntu One Files - access Ubuntu One cloud storage on Android platform.
 * 
 * Copyright 2011-2012 Canonical Ltd.
 *   
 * This file is part of Ubuntu One Files.
 *  
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *  
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses 
 */

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

public class Main {
    /**
     * See: http://stackoverflow.com/questions/477572/android-strange
     *       -out-of-memory-issue-while-loading-an-image
     *       -to-a-bitmap-object/823966#823966
     * Thanks to StackOverflow user named Fedor.
     */
    public static Bitmap decodeFile(File f, int size) {
        Bitmap b = null;
        try {
            BitmapFactory.Options o = new BitmapFactory.Options();
            o.inJustDecodeBounds = true;

            FileInputStream fis = new FileInputStream(f);
            BitmapFactory.decodeStream(fis, null, o);
            fis.close();

            int scale = 1;
            if (o.outHeight > size || o.outWidth > size) {
                scale = (int) Math.pow(2.0, (int) Math
                        .round(Math.log(size / (double) Math.max(o.outHeight, o.outWidth)) / Math.log(0.5)));
            }

            // Decode with inSampleSize
            BitmapFactory.Options o2 = new BitmapFactory.Options();
            o2.inTempStorage = new byte[32 * 1024];
            o2.inPurgeable = true;
            o2.inSampleSize = scale;
            fis = new FileInputStream(f);
            b = BitmapFactory.decodeStream(fis, null, o2);
            fis.close();
        } catch (IOException e) {
        }
        return b;
    }
}