摘要： 1 网络连接类型 ConnectivityManager监听网络变化broadcat<action android:name="android.net.conn.CONNECTIVITY_CHANGE" />ConnectivityManager connec = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = connec.getActiveNetworkInfo();//倘若手机目前不在网络的服务范围，则connec.getActi 阅读全文