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.FileNotFoundException;

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

import android.os.Environment;

public class Main {
    public static Bitmap GetSingleImg(String imgName, int requiredSize, String path) {

        Bitmap bmp = null;
        File root = Environment.getExternalStorageDirectory();
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inSampleSize = 8;

        // will results in a much smaller image than the original

        options.inSampleSize = 8;

        File imgFile = new File(path + imgName);

        bmp = decodeFileImg(imgFile, requiredSize);

        // do something with bitmap } \

        return bmp;
    }

    public static Bitmap decodeFileImg(File f, int requiredSize) {
        try {
            // Decode image size
            BitmapFactory.Options o = new BitmapFactory.Options();
            o.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(new FileInputStream(f), null, o);
            // The new size we want to scale to
            final int REQUIRED_SIZE = requiredSize;
            // 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 < REQUIRED_SIZE || height_tmp / 2 < REQUIRED_SIZE)
                    break;
                width_tmp /= 2;
                height_tmp /= 2;
                scale *= 2;
            }
            // Decode with inSampleSize
            BitmapFactory.Options o2 = new BitmapFactory.Options();
            o2.inSampleSize = scale;
            return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
        } catch (FileNotFoundException e) {
        }
        return null;
    }
}