How to resize bitmap after capture image through my app

Question

After capturing an image and displaying it in activity, it won't insert into the database due to large image size. I need to know how to compress and decrease the image size and pixels.

         try {
              //  Bitmap bitmap;
                BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();

                bitmap = BitmapFactory.decodeFile(f.getAbsolutePath(),
                        bitmapOptions);

                imageView.setImageBitmap(bitmap);

                String path = android.os.Environment
                        .getExternalStorageDirectory()
                        + File.separator
                        + "Phoenix" + File.separator + "default";
                f.delete();
                OutputStream outFile = null;
                File file = new File(path, String.valueOf(System.currentTimeMillis()) + ".jpg");
                try {
                    outFile = new FileOutputStream(file);
                    bitmap.compress(Bitmap.CompressFormat.JPEG, 85, outFile);
                    outFile.flush();
                    outFile.close();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();

score 2 · Answer 1 · answered Jun 20 '16 at 10:00

   try {
          BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();

          bitmap = BitmapFactory.decodeFile(f.getAbsolutePath(),
                        bitmapOptions);

          bitmap =getResizedBitmap(bitmap); 
          imageView.setImageBitmap(bitmap);


                String path = android.os.Environment
                        .getExternalStorageDirectory()
                        + File.separator
                        + "Phoenix" + File.separator + "default";
                f.delete();
                OutputStream outFile = null;
                File file = new File(path, String.valueOf(System.currentTimeMillis()) + ".jpg");
                try {
                    outFile = new FileOutputStream(file);
                    bitmap.compress(Bitmap.CompressFormat.JPEG, 85, outFile);
                    outFile.flush();
                    outFile.close();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
            }

 public Bitmap getResizedBitmap(Bitmap myBitmap) {
        final int maxSize = 1024;
        int outWidth;
        int outHeight;
        int inWidth = myBitmap.getWidth();
        int inHeight = myBitmap.getHeight();
        if (inWidth > inHeight) {
            outWidth = maxSize;
            outHeight = (inHeight * maxSize) / inWidth;
        } else {
            outHeight = maxSize;
            outWidth = (inWidth * maxSize) / inHeight;
        }

        return Bitmap.createScaledBitmap(myBitmap, outWidth, outHeight, false);
    }

It's works fine, Thank you Sohail Zahid. – Harish Reddy Jun 20 '16 at 10:21 — Harish Reddy, Jun 20 '16 at 10:21
@HarishReddy you are welcome – Sohail Zahid Jun 20 '16 at 10:22 — Sohail Zahid, Jun 20 '16 at 10:22

score 2 · Accepted Answer · answered Jun 20 '16 at 10:03

2

Answer is in your Question itself,

In your code bitmap compress range is 85

   bitmap.compress(Bitmap.CompressFormat.JPEG, 85, outFile);

You need to change it to 25

   bitmap.compress(Bitmap.CompressFormat.JPEG, 25, outFile);

answered Jun 20 '16 at 10:03

Harish Reddy

922
10
20

Not sure if OP is aware, but this will lower the quality of the jpeg significantly. – earthw0rmjim Jun 20 '16 at 10:22
He want's low Image size as well as low pixels. – Harish Reddy Jun 20 '16 at 10:27

score -2 · Answer 3 · answered Jun 20 '16 at 09:59

public static Bitmap decodeSampledBitmapFromResource(String imagePath,
        int reqWidth, int reqHeight) {
    // First decode with inJustDecodeBounds=true to check dimensions
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;

    Uri uri = Uri.parse(imagePath);

    BitmapFactory.decodeFile(uri.getPath(), options);

    // Calculate inSampleSize
    options.inSampleSize = calculateInSampleSize(options, reqWidth,
            reqHeight);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;

    options.inPreferredConfig = Bitmap.Config.ARGB_8888;
    options.inDither = true;
    return BitmapFactory.decodeFile(uri.getPath(), options);
}

private static int calculateInSampleSize(BitmapFactory.Options options,
        int reqWidth, int reqHeight) {
    // Raw height and width of image
    final int height = options.outHeight;
    final int width = options.outWidth;
    int inSampleSize = 1;

    if (height > reqHeight || width > reqWidth) {
        final int halfHeight = height / 2;
        final int halfWidth = width / 2;
        // Calculate the largest inSampleSize value that is a power of 2 and
        // keeps both
        // height and width larger than the requested height and width.
        while ((halfHeight / inSampleSize) > reqHeight
                && (halfWidth / inSampleSize) > reqWidth) {
            inSampleSize *= 3;
        }
    }
    return inSampleSize;
}

Try this

How to resize bitmap after capture image through my app

3 Answers3