摘要:
1. AndroidManifest.xml 配置文件中加入蓝牙许可权限: <uses-permission android:name="android.permission.BLUETOOTH"/> BluetoothAdapter bluetoothAdapter =BluetoothAdapter.getDefaultAdapter(); if(bluetoothAdapter == null) { System.out.println("本机未发现蓝牙设备。"); ... 阅读全文
摘要:
1.先下载 gson.jar.http://code.google.com/p/google-gson/downloads/list2.解压后,把gson-2.2.2.jar 复制到 java项目的libs文件夹内Json数据:[{"name":"A","age":12},{"name":"B","age":14}] JsonReader reader = new JsonReader(new StringReader(jsonData)); try { reader.beg 阅读全文