MediaStore.java

private void beforeQ() {
    String strFolderPath = Environment.getExternalStorageDirectory().getAbsolutePath() + CAPTURE_PATH;
    File folder = new File(strFolderPath);
    if (!folder.exists()) {
        folder.mkdirs();
    }

    OutputStream out = null;
    String strFilePath = strFolderPath + "/";

    try {
        File fileCacheItem = new File(strFilePath + fileName);
        fileCacheItem.createNewFile();
        out = new FileOutputStream(fileCacheItem);
        // 비트맵을 png로 변환
        bmp.compress(Bitmap.CompressFormat.PNG, 100, out);
        // 미디어 스캐닝을 하여 삭제,추가 정보를 알린다.
        sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(fileCacheItem)));
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}