Android 讀取assets目錄下的文件

assets目錄下存放XXX.json格式的文件讀取：

public static String getJsonTextFromAssetsFile(Context context, String fileName) {
	StringBuilder sb = new StringBuilder();
	try {
		BufferedReader bf = new BufferedReader(new InputStreamReader(
				context.getAssets().open(fileName+ ".json")));
		String line;
		while ((line = bf.readLine()) != null) {
			sb.append(line);
		}
	} catch (IOException e) {
		e.printStackTrace();
	}
	return sb.toString();
}