SimpleCompression.java

 private File getCompressedFile(String filePath, Context context) {
        int compressionRatio = 50;
        float scaleDownFactor = 0.5f;

        File inputFile = new File(filePath);
        // by default it has same file reference as original one
        // if create temp file fails it will have some file
        File outputFile=new File(filePath);
        try {


            File outputDir = context.getCacheDir(); // context being the Activity pointer
            outputFile = File.createTempFile("temp", ".jpeg", outputDir);


            Bitmap bitmap = BitmapFactory.decodeFile(inputFile.getPath());


            Bitmap resized = Bitmap.createScaledBitmap(bitmap, Math.round(bitmap.getWidth() * scaleDownFactor), Math.round(bitmap.getHeight() * scaleDownFactor), true);


            resized.compress(Bitmap.CompressFormat.JPEG, compressionRatio, new FileOutputStream(outputFile));

        } catch (IOException e) {
            e.printStackTrace();
        }


        return outputFile;
    }