get Image Thumbnail - Android android.graphics

Android examples for android.graphics:Image Load Save

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Description

get Image Thumbnail

Demo Code

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.ThumbnailUtils;

public class Main{

    public static Bitmap getImageThumbnail(String imagePath, int width,
            int height) {
        Bitmap bitmap = null;// w w w .  j  a  v  a2s  .c om
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        bitmap = BitmapFactory.decodeFile(imagePath, options);
        options.inJustDecodeBounds = false; 

        int h = options.outHeight;
        int w = options.outWidth;
        int beWidth = w / width;
        int beHeight = h / height;
        int be = 1;
        if (beWidth < beHeight) {
            be = beWidth;
        } else {
            be = beHeight;
        }
        if (be <= 0) {
            be = 1;
        }
        options.inSampleSize = be;
        bitmap = BitmapFactory.decodeFile(imagePath, options);
        bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height,
                ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
        return bitmap;
    }

}

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