Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import java.io.ByteArrayOutputStream;

public class Main {

    public static byte[] compressBitmap(byte[] data, float size) {
        Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
        if (bitmap == null || getSizeOfBitmap(bitmap) <= size) {
            return data;
        }
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        int quality = 100;
        while ((baos.toByteArray().length / 1024f) > size) {
            quality -= 5;
            baos.reset();
            if (quality <= 0) {
                break;
            }
            bitmap.compress(Bitmap.CompressFormat.JPEG, quality, baos);
        }
        byte[] byteData = baos.toByteArray();
        return byteData;
    }

    private static long getSizeOfBitmap(Bitmap bitmap) {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        long length = baos.toByteArray().length / 1024;
        return length;
    }
}