Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

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

import android.util.Log;

public class Main {
    private final static String TAG = "ZambelzUtility";

    /**
     * 
     * @param file
     */
    public static void decodeFile(File file) {
        Bitmap bitmap = null;

        try {
            // Decode image size
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;

            FileInputStream fileInputStream = new FileInputStream(file);
            BitmapFactory.decodeStream(fileInputStream, null, options);
            fileInputStream.close();

            int scale = 1;

            if (options.outHeight > 500 || options.outWidth > 500) {
                scale = (int) Math.pow(2, (int) Math.round(
                        Math.log(500 / (double) Math.max(options.outHeight, options.outWidth)) / Math.log(0.5)));
            }

            // Decode with inSampleSize
            BitmapFactory.Options options2 = new BitmapFactory.Options();
            options2.inSampleSize = scale;

            fileInputStream = new FileInputStream(file);
            bitmap = BitmapFactory.decodeStream(fileInputStream, null, options2);
            fileInputStream.close();

            FileOutputStream output = new FileOutputStream(file);
            bitmap.compress(Bitmap.CompressFormat.JPEG, 90, output);

            output.flush();
            output.close();
        } catch (Exception e) {
            Log.e(TAG, e.getMessage());
        }
    }
}