Java Android save file

gistfile1.txt

private static void saveBitmapAsNewFile(Bitmap target){

        // Define directory names
        String fileName = "new_file.jpg"; /* or Replace with yout filename*/
        String root = "/my_images/";
        OutputStream outputStream = null;
        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q){

            ContentResolver resolver = getApplicationContext().getContentResolver();
            ContentValues contentValues = new ContentValues(); // or your content values
            contentValues.put(MediaStore.MediaColumns.DISPLAY_NAME, fileName); // avoid this column if DisplayName is already set
            contentValues.put(MediaStore.MediaColumns.MIME_TYPE, "image/jpg");
            contentValues.put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_PICTURES + root);
            Uri imageUri = resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues);
            

            try {
                resolver.notifyChange(Objects.requireNonNull(imageUri), null);
                outputStream = resolver.openOutputStream(Objects.requireNonNull(imageUri));
            } catch (FileNotFoundException e) {
                e.printStackTrace();
                LogUtil.e("Error in" + this.getClass().getName(), "=> Error creating directory on path " + imageUri);
            }
        }
        else {
            if (!isExternalStorageReadable() || !isExternalStorageWritable()) {
                LogUtil.e("Error in" + this.getClass().getName(), "=> Cannot read or write on External directory ");
                return;
            }

            String file_path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath() + root;
            File dir = new File(file_path);
            if (!dir.exists() && !dir.mkdirs()) {
                LogUtil.e("Error in" + this.getClass().getName(), "=> Error creating directory on path " + file_path);
                return;
            }

            File file = new File(dir, fileName);

            if(file.exists())
                return;

            try {
                outputStream = new FileOutputStream(file);
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            }
        }

        try{
            if(outputStream != null) {
                target.compress(Bitmap.CompressFormat.JPEG, 85, outputStream);
                outputStream.flush();
                outputStream.close();
            }
        } catch (IOException e) {
            LogUtil.e("Error in" + this.getClass().getName(), "=> Error creating image on path");
            e.printStackTrace();
        }

    }

    public boolean isExternalStorageWritable() {
        String state = Environment.getExternalStorageState();
        return Environment.MEDIA_MOUNTED.equals(state);
    }

    public boolean isExternalStorageReadable() {
        String state = Environment.getExternalStorageState();
        return Environment.MEDIA_MOUNTED.equals(state) ||
                Environment.MEDIA_MOUNTED_READ_ONLY.equals(state);
    }