public static String geFileFromAssets(Context context,String fileName) {
		if(context == null || zStringUtils.isEmpty(fileName)) {
			return null;
		}else {
			StringBuilder sb=new StringBuilder();
			try {
				InputStreamReader in = new InputStreamReader(context.getResources().getAssets().open(fileName));
	            BufferedReader br = new BufferedReader(in);
	            String line;
	            while ((line = br.readLine()) != null) {
	                sb.append(line);
	            }
			}catch(Exception e) {
				e.printStackTrace();
			}
			return sb.toString();
		}
	}