android下Bitmap和base64之間的轉換

/* * 將bitmap轉換為base64位元組數組 */public byte[] Bitmap2Base64(Bitmap bitmap) {try {// 先將bitmap轉換為普通的位元組數組ByteArrayOutputStream out = new ByteArrayOutputStream();bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);out.flush();out.close();byte[] buffer = out.toByteArray();// 將普通位元組數群組轉換為base64數組byte[] encode = Base64.decode(buffer, Base64.DEFAULT);return encode;} catch (Exception e) {e.printStackTrace();}return null;}

/* * 將base64位元組數群組轉換為bitmap */public Bitmap Base642Bitmap(byte[] base64) {// 將base64位元組數群組轉換為普通的位元組數組byte[] bytes = Base64.decode(base64, Base64.DEFAULT);// 用BitmapFactory建立bitmapreturn BitmapFactory.decodeByteArray(bytes, 0, bytes.length);}