网络连接方式 wifi&3g

    private void checkNetworkInfo()
    {
        ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

        NetworkInfo mobileInfo = connMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
        State mobileState = mobileInfo.getState();
        boolean isMobileAvalilable = mobileInfo.isAvailable();
        boolean isMobileConn = mobileInfo.isConnected();
        boolean isMobile = mobileInfo.isConnectedOrConnecting();
        txt3G.setText("3g state is : " + mobileState.toString());
        Log.v(TAG, "mobile state is : " + mobileState.toString());


        //isWifiAvalilable = true, isWifiConn = true, isWifi = true, when wifi connected but can not go on the web
        NetworkInfo wifiInfo = connMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        State wifiState = wifiInfo.getState();
        boolean isWifiAvalilable = wifiInfo.isAvailable();
        boolean isWifiConn = wifiInfo.isConnected();
        boolean isWifi = wifiInfo.isConnectedOrConnecting();
        txtWifi.setText("wifi state is : " + wifiState.toString());
        Log.v(TAG, "wifi state is : " + wifiState.toString());


        //active network info
        NetworkInfo activeInfo = connMgr.getActiveNetworkInfo();
        String typeName = activeInfo.getTypeName();
        State activeState = activeInfo.getState();
        Log.v(TAG, "active network is : " + typeName);
        Log.v(TAG, "active state is " + activeState.toString());

        if(mobileState==State.CONNECTED||mobileState==State.CONNECTING)
            return;
        if(wifiState==State.CONNECTED||wifiState==State.CONNECTING)
            return;

//        startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
//        startActivity(new Intent(Settings.ACTION_WIFI_SETTINGS));

    }