[Asset] asset에서 읽은 이미지 base64 인코딩 된 이미지로

asset에서 읽은 이미지 base64 인코딩 된 이미지로

 

private HashMap<String, HashMap<String, String>> createInstallManagerInfo() throws Exception {
        HashMap<String, HashMap<String, String>> installHashMap = new HashMap<>();

        //asset에서 읽은 이미지 -> bas64 인코딩된 이미지로
        AssetManager assetManager = getResources().getAssets();
        InputStream is = null;
        is = assetManager.open("seal.jpg");

        byte[] buf = new byte[1024];
        int bytesRead;
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        while ((bytesRead = is.read(buf)) != -1) {
            output.write(buf, 0, bytesRead);
        }
        byte[] fileArray = output.toByteArray();

        String base64EncData = Base64.encodeToString(fileArray, Base64.DEFAULT);
        Bitmap bitmap = BitmapFactory.decodeByteArray(fileArray, 0, fileArray.length);

        HashMap<String, String> imageHashMap = new HashMap<>();
        imageHashMap.put("p_bsMgNm", base64EncData);

        installHashMap.put("30010001", imageHashMap);
        return installHashMap;
    }

 

 

참고

https://stackoverflow.com/questions/36198637/convert-assets-image-png-to-byte

Convert /assets/image.png to byte[]