Android - BitmapFactory 이미지 크기 조정

 

이미지 로딩으로 인한 OutOfMemoryException 문제

        File fdir = this.getFilesDir();
        if(fdir.isDirectory() && !fdir.exists()) {
            fdir.mkdir();
        }

        File f2 = null;
        try {
            f2 = File.createTempFile("test", ".jpg", fdir);
            if(f2.exists()) {
                f2.createNewFile();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        {
            //TODO: image work
        }


        BitmapFactory.Options bo = new BitmapFactory.Options();
        bo.inJustDecodeBounds = true;
        InputStream in = null;
        try {
            in = new FileInputStream(f2);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        BitmapFactory.decodeStream(in, null, bo);
        try {
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        in = null;

        {//limit image size
            final int reqH = 1000, reqW = 1000;

            if(bo.outHeight > reqH || bo.outWidth > reqW) {
                int ratioH = Math.round((float)bo.outHeight/(float)reqH),
                        ratioW = Math.round((float)bo.outWidth/(float)reqW);
                bo.inSampleSize = ratioH < ratioW ? ratioH : ratioW;
            }
        }

        {//
            Bitmap bm = BitmapFactory.decodeFile(f2.getAbsolutePath(), bo);
        }

BitmapfactoryT1.zip

0.28MB