判断当前网络类型

判断当前网络类型

	public final static int NONE = 0;	//
	public final static int WIFI = 1;	//
	public final static int MOBILE = 2; // 3G GPRS
	public final static int ETHERNET = 3;//
	
	public static int getNetworkState(Context context)
	{
		ConnectivityManager connManager = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
		
		State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_ETHERNET).getState();
		if(state == State.CONNECTED || state == State.CONNECTING)
		{
			return ETHERNET;
		}
		
		state = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
		if(state == State.CONNECTED || state == State.CONNECTING)
		{
			return WIFI;
		}
		state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
		if(state == State.CONNECTED || state == State.CONNECTING)
		{
			return MOBILE;
		}
				
		return NONE;
		
	}