Android中检测网络连接状况的方法

在Android中很多应用都要检测网络连接的状态，下面介绍下检测网络连接的一个方法：

/* 检测网络连接状态 */
public static boolean CheckNetWork() {
boolean result;
ConnectivityManager cm = (ConnectivityManager) MyApplication
.getInstance().getSystemService("connectivity");
NetworkInfo netinfo = cm.getActiveNetworkInfo();
if (netinfo != null && netinfo.isConnected()) {
result = true;
Log.i(TAG, "The net was connected");
} else {
result = false;
Log.i(TAG, "The net was bad!");
}
return result;
}