Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

public class Main {
    public static Bitmap getBitmapAndScale(String url, int requiredSize) {
        Bitmap bm = null;
        try {
            URL aURL = new URL(url);
            URLConnection conn = aURL.openConnection();
            conn.connect();
            InputStream is = conn.getInputStream();

            // Decode image size
            BitmapFactory.Options o = new BitmapFactory.Options();
            o.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(is, null, o);
            // The new size we want to scale to

            // Find the correct scale value. It should be the power of 2.
            int width_tmp = o.outWidth, height_tmp = o.outHeight;
            int scale = 1;
            while (true) {
                if (width_tmp / 2 < requiredSize || height_tmp / 2 < requiredSize)
                    break;
                width_tmp /= 2;
                height_tmp /= 2;
                scale *= 2;
            }
            // Decode with inSampleSize
            BitmapFactory.Options o2 = new BitmapFactory.Options();
            o2.inSampleSize = scale;
            bm = BitmapFactory.decodeStream(is, null, o2);
            return bm;

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return bm;

        }
    }
}