android 判断网络连接状态

Android判断网络状态方法详解
http://zhangkun716717-126-com.iteye.com/blog/813257

	public boolean isNetworkAvailable() {
		Context context = getApplicationContext();
		ConnectivityManager connectivity = (ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		if (connectivity == null) {
			boitealerte(this.getString(R.string.alert),
					"getSystemService rend null");
		} else {//获取所有网络连接信息
			NetworkInfo[] info = connectivity.getAllNetworkInfo();
			if (info != null) {//逐一查找状态为已连接的网络
				for (int i = 0; i < info.length; i++) {
					if (info[i].getState() == NetworkInfo.State.CONNECTED) {
						return true;
					}
				}
			}
		}
		return false;
	}

android判断网络的状态断开与否

http://wang-peng1.iteye.com/blog/557362