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  5. android.net.NetworkInfo#State ( )

android.net.NetworkInfo#State ( )源码实例Demo

下面列出了android.net.NetworkInfo#State ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： easyweather   文件： NetUtils.java 
public static int getNetworkState(Context context) {
    ConnectivityManager connManager = (ConnectivityManager) context
            .getSystemService(Context.CONNECTIVITY_SERVICE);

    // Wifi
    NetworkInfo.State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI)
            .getState();
    if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING) {
        return NETWORN_WIFI;
    }

    // 3G
    state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE)
            .getState();
    if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING) {
        return NETWORN_MOBILE;
    }
    return NETWORN_NONE;
}
源代码2 项目： AppServiceRestFul   文件： NetUtil.java 
/**
 * 获取网络状态
 *
 * @param context
 * @return
 */
public static int getNetworkState(Context context) {
    ConnectivityManager connManager = (ConnectivityManager) context
            .getSystemService(Context.CONNECTIVITY_SERVICE);

    // Wifi
    NetworkInfo.State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI)
            .getState();
    if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING) {
        return NETWORN_WIFI;
    }

    // 3G
    state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE)
            .getState();
    if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING) {
        return NETWORN_MOBILE;
    }
    return NETWORN_NONE;
}
源代码3 项目： chat21-android-sdk   文件： AbstractNetworkReceiver.java 
@Override
public void onReceive(Context context, Intent intent) {
    if (null != intent) {
        NetworkInfo.State wifiState = null;
        NetworkInfo.State mobileState = null;
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        wifiState = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
        mobileState = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
        if (wifiState != null && mobileState != null
                && NetworkInfo.State.CONNECTED != wifiState
                && NetworkInfo.State.CONNECTED == mobileState) {
            // phone network connect success
            mobileNetwork();
        } else if (wifiState != null && mobileState != null
                && NetworkInfo.State.CONNECTED != wifiState
                && NetworkInfo.State.CONNECTED != mobileState) {
            // no network
            noNetwork();
        } else if (wifiState != null && NetworkInfo.State.CONNECTED == wifiState) {
            // wify connect success
            WIFINetwork();
        }
    }
}
源代码4 项目： Mobike   文件： RouteService.java 
@Override
        public void onReceive(Context context, Intent intent) {
            NetworkInfo.State wifiState = null;
            NetworkInfo.State mobileState = null;
            ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            wifiState = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
            mobileState = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
            if (wifiState != null && mobileState != null
                    && NetworkInfo.State.CONNECTED != wifiState
                    && NetworkInfo.State.CONNECTED == mobileState) {
//                Toast.makeText(context, context.getString(R.string.net_mobile), Toast.LENGTH_SHORT).show();
                // 手机网络连接成功
            } else if (wifiState != null && mobileState != null
                    && NetworkInfo.State.CONNECTED != wifiState
                    && NetworkInfo.State.CONNECTED != mobileState) {
//                Toast.makeText(context, context.getString(R.string.net_none), Toast.LENGTH_SHORT).show();

                // 手机没有任何的网络
            } else if (wifiState != null && NetworkInfo.State.CONNECTED == wifiState) {
                // 无线网络连接成功
//                Toast.makeText(context, context.getString(R.string.net_wifi), Toast.LENGTH_SHORT).show();

            }
        }
源代码5 项目： AppServiceRestFul   文件： NetUtil.java 
/**
 * 获取网络状态
 *
 * @param context
 * @return
 */
public static int getNetworkState(Context context) {
    ConnectivityManager connManager = (ConnectivityManager) context
            .getSystemService(Context.CONNECTIVITY_SERVICE);

    // Wifi
    NetworkInfo.State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI)
            .getState();
    if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING) {
        return NETWORN_WIFI;
    }

    // 3G
    state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE)
            .getState();
    if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING) {
        return NETWORN_MOBILE;
    }
    return NETWORN_NONE;
}
源代码6 项目： Cangol-appcore   文件： StatsTraffic.java 
private void endCalcAppTraffic() {
    final String date = TimeUtils.getCurrentDate();
    NetworkInfo.State wifiState = null;
    NetworkInfo.State mobileState = null;
    final ConnectivityManager cm = (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);

    @SuppressLint("MissingPermission") final NetworkInfo networkInfoWifi = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
    if (networkInfoWifi != null) {
        wifiState = networkInfoWifi.getState();
    }
    @SuppressLint("MissingPermission") final NetworkInfo networkInfoMobile = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
    if (networkInfoMobile != null) {
        mobileState = networkInfoMobile.getState();
    }
    if (wifiState != null && NetworkInfo.State.CONNECTED == wifiState) {
        // 无线网络连接
        calcAppTraffic(date, true);
    } else if (mobileState != null && NetworkInfo.State.CONNECTED == mobileState) {
        // 手机网络连接
        calcAppTraffic(date, false);
    }
}
源代码7 项目： Telegram-FOSS   文件： ApplicationLoader.java 
public static boolean isConnectedOrConnectingToWiFi() {
    try {
        ensureCurrentNetworkGet(false);
        if (currentNetworkInfo != null && (currentNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI || currentNetworkInfo.getType() == ConnectivityManager.TYPE_ETHERNET)) {
            NetworkInfo.State state = currentNetworkInfo.getState();
            if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING || state == NetworkInfo.State.SUSPENDED) {
                return true;
            }
        }
    } catch (Exception e) {
        FileLog.e(e);
    }
    return false;
}
源代码8 项目： GankGirl   文件： NetWorkUtils.java 
/**
 * 获取当前网络的状态
 *
 * @param context 上下文
 * @return 当前网络的状态。具体类型可参照NetworkInfo.State.CONNECTED、NetworkInfo.State.CONNECTED.DISCONNECTED等字段。当前没有网络连接时返回null
 */
public static NetworkInfo.State getCurrentNetworkState(Context context) {
    NetworkInfo networkInfo
            = ((ConnectivityManager) context.getSystemService(
            Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
    return networkInfo != null ? networkInfo.getState() : null;
}
源代码9 项目： Telegram   文件： ApplicationLoader.java 
public static boolean isConnectedOrConnectingToWiFi() {
    try {
        ensureCurrentNetworkGet(false);
        if (currentNetworkInfo != null && (currentNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI || currentNetworkInfo.getType() == ConnectivityManager.TYPE_ETHERNET)) {
            NetworkInfo.State state = currentNetworkInfo.getState();
            if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING || state == NetworkInfo.State.SUSPENDED) {
                return true;
            }
        }
    } catch (Exception e) {
        FileLog.e(e);
    }
    return false;
}
源代码10 项目： AndroidUtilCode   文件： NetworkUtils.java 
/**
 * Return whether using ethernet.
 * <p>Must hold
 * {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
 *
 * @return {@code true}: yes<br>{@code false}: no
 */
@RequiresPermission(ACCESS_NETWORK_STATE)
private static boolean isEthernet() {
    final ConnectivityManager cm =
            (ConnectivityManager) Utils.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
    if (cm == null) return false;
    final NetworkInfo info = cm.getNetworkInfo(ConnectivityManager.TYPE_ETHERNET);
    if (info == null) return false;
    NetworkInfo.State state = info.getState();
    if (null == state) return false;
    return state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING;
}
源代码11 项目： WIFIADB   文件： WiFiModule.java 
public boolean isReady(){
    boolean enable = isEnable();

    if(enable){
        final NetworkInfo.State state = mConnectivityManager
                .getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();

        enable = (state == NetworkInfo.State.CONNECTED);
    }

    return enable;
}
源代码12 项目： FileTransfer   文件： WifiUtils.java 
public static NetworkInfo.State getWifiConnectState(Context context) {
    ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context
            .CONNECTIVITY_SERVICE);
    if (manager == null) {
        return NetworkInfo.State.DISCONNECTED;
    }
    NetworkInfo mWiFiNetworkInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
    if (mWiFiNetworkInfo != null) {
        return mWiFiNetworkInfo.getState();
    }
    return NetworkInfo.State.DISCONNECTED;
}
源代码13 项目： Simpler   文件： NetWorkUtils.java 
/**
 * 获取当前网络的状态
 *
 * @param context 上下文
 * @return 当前网络的状态。具体类型可参照NetworkInfo.State.CONNECTED、NetworkInfo.State.CONNECTED.DISCONNECTED等字段。当前没有网络连接时返回null
 */
public static NetworkInfo.State getCurrentNetworkState(Context context) {
    NetworkInfo networkInfo
            = ((ConnectivityManager) context.getSystemService(
            Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
    return networkInfo != null ? networkInfo.getState() : null;
}
源代码14 项目： ForPDA   文件： NetworkStateReceiver.java 
@Override
public void onReceive(Context context, Intent intent) {
    Log.d(TAG, "onReceive " + intent);
    if (!(intent.getAction() != null && intent.getAction().equals(ConnectivityManager.CONNECTIVITY_ACTION))) {
        return;
    }
    NetworkInfo.State newConnectionType = getCurrentConnectionType();
    if (newConnectionType == mConnectionType) return;

    mConnectionType = newConnectionType;
    Log.d(TAG, "Network connectivity changed, type is: " + mConnectionType);

    Client.get(context).notifyNetworkObservers(mConnectionType == NetworkInfo.State.CONNECTED);
}
源代码15 项目： apollo-DuerOS   文件： NetworkConnectChangedReceiver.java 
@Override
public void onReceive(Context context, Intent intent) {
    // Monitor wifi status, have nothing to do with wifi connection
    if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {
        int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 0);
        LogUtil.d(TAG, "wifiState:" + wifiState);
        switch (wifiState) {
            case WifiManager.WIFI_STATE_DISABLED:
                break;
            case WifiManager.WIFI_STATE_DISABLING:
                break;
            default:
                break;
        }
    }
    // Monitor the connection status of WiFi, that is whether or not there is an effective wireless routing
    if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) {
        Parcelable parcelableExtra = intent
                .getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
        if (null != parcelableExtra) {
            // Get the network status of the NetWorkInfo object
            NetworkInfo networkInfo = (NetworkInfo) parcelableExtra;
            // The State object is the state of connection success or not
            NetworkInfo.State state = networkInfo.getState();
            // Determine whether or not the network has been connected
            boolean isConnected = state == NetworkInfo.State.CONNECTED;
            LogUtil.d(TAG, "isConnected:" + isConnected);
        }
    }
    // To monitor the network connection, including wifi and mobile data opening and closing,
    // as well as connection available on the connection had been listening
    if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
        // Get the NetworkInfo object of the network state
        NetworkInfo info = intent
                .getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
        if (info != null) {
            // If the current network connection is successful and the network connection is available
            if (NetworkInfo.State.CONNECTED == info.getState() && info.isAvailable()) {
                if (info.getType() == ConnectivityManager.TYPE_WIFI
                        || info.getType() == ConnectivityManager.TYPE_MOBILE) {
                    LogUtil.i(TAG, getConnectionType(info.getType()) + " connected");
                    // transform to the following module
                    if (mOnNetworkChangeListener != null) {
                        LogUtil.i(TAG, "mOnLocationListener is set");
                        mOnNetworkChangeListener.onNetworkChange();
                    }
                }
            } else {
                LogUtil.i(TAG, getConnectionType(info.getType()) + " disconnected");
                if (mOnNetworkChangeListener != null) {
                    LogUtil.i(TAG, "onShowCompass is set");
                    mOnNetworkChangeListener.onShowCompass();
                }
            }
        }

    }
}
源代码16 项目： slidingdebugmenu   文件： NetworkChangeEvent.java 
public NetworkChangeEvent(NetworkInfo.State wifiState, NetworkInfo.State mobileState, BluetoothState bluetoothState) {
    this.wifiState = wifiState;
    this.mobileState = mobileState;
    this.bluetoothState = bluetoothState;
}
源代码17 项目： QuickerAndroid   文件： NetworkStatusChangeReceiver.java 
@Override
    public void onReceive(Context context, Intent intent) {

        // ref:https://blog.csdn.net/qq_20785431/article/details/51520459
        // 监听wifi的连接状态即是否连上了一个有效无线路由
        if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) {
            Parcelable parcelableExtra = intent
                    .getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
            if (null != parcelableExtra) {
                // 获取联网状态的NetWorkInfo对象
                NetworkInfo networkInfo = (NetworkInfo) parcelableExtra;
                //获取的State对象则代表着连接成功与否等状态
                NetworkInfo.State state = networkInfo.getState();
                //判断网络是否已经连接
                boolean isConnected = state == NetworkInfo.State.CONNECTED;
                Log.e("TAG", "wifi连接:" + isConnected);
                EventBus.getDefault().post(new WifiStatusChangeEvent(isConnected));
            }
        }


//        if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
//            ConnectivityManager manager = (ConnectivityManager) context
//                    .getSystemService(Context.CONNECTIVITY_SERVICE);
//            NetworkInfo activeNetwork = manager.getActiveNetworkInfo();
//
//
//            if (activeNetwork != null) { // connected to the internet
//                if (activeNetwork.isConnected()) {
//                    if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI) {
//                        Log.d(TAG,"当前WiFi连接可用 ");
//                    } else if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) {
//                        Log.d(TAG,"当前移动网络连接可用 ");
//                    }
//                    //发送广播通知服务重新启动
//                    Bus.post(new ConnectClosedEvent(Contants.CONNECT_CLOSE_TYPE));
//                } else {
//                    LogUtil.w("当前没有网络连接，请确保你已经打开网络 ");
//                    //无网络连接,通知socket,取消每三秒重连接
//                    Bus.post(new ConnectCloseAllEvent(true));
//                }
//            } else {   // not connected to the internet
//                LogUtil.w("当前没有网络连接，请确保你已经打开网络 ");
//                //无网络连接,通知socket,取消每三秒重连接
//                Bus.post(new ConnectCloseAllEvent(true));
//            }
//        }
    }
源代码18 项目： Cangol-appcore   文件： StatsTraffic.java 
@Override
public void onReceive(Context context, Intent intent) {
    Log.v("getAction=" + intent.getAction());
    if (BOOT_ACTION.equals(intent.getAction())) {
        // 开机启动
        resetAppTraffic();
    } else if (NETWORK_ACTION.equals(intent.getAction())) {
        NetworkInfo.State wifiState = null;
        NetworkInfo.State mobileState = null;
        final ConnectivityManager cm = (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);

        @SuppressLint("MissingPermission") final NetworkInfo networkInfoWifi = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        if (networkInfoWifi != null) {
            wifiState = networkInfoWifi.getState();
        }
        @SuppressLint("MissingPermission") final NetworkInfo networkInfo = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
        if (networkInfo != null) {
            mobileState = networkInfo.getState();
        }

        if (wifiState != null && NetworkInfo.State.CONNECTED == wifiState) {
            // 无线网络连接
            Log.d("wifi connected calcTraffic");
            calcAppTraffic(TimeUtils.getCurrentDate(), true);
        } else if (wifiState != null && NetworkInfo.State.DISCONNECTED == wifiState) {
            // 无线网络中断
            Log.d("wifi disconnect calcTraffic");
            calcAppTraffic(TimeUtils.getCurrentDate(), true);
        } else if (mobileState != null && NetworkInfo.State.CONNECTED == mobileState) {
            // 手机网络连接
            Log.d("mobile connected calcTraffic");
            calcAppTraffic(TimeUtils.getCurrentDate(), false);
        } else if (mobileState != null && NetworkInfo.State.DISCONNECTED == mobileState) {
            // 手机网络中断
            Log.d("mobile disconnect calcTraffic");
            calcAppTraffic(TimeUtils.getCurrentDate(), false);
        } else {
            //
        }

    } else {
        //day end
        Log.d("day end calcTraffic");
        endCalcAppTraffic();
    }
}
源代码19 项目： Trojan   文件： NetworkUtils.java 
public static int getNetworkType(Context context) {
    if (null == context) {
        return NETWORK_NONE;
    }
    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (null == connectivityManager) {
        return NETWORK_NONE;
    }

    final NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
    if (null == activeNetInfo || !activeNetInfo.isAvailable()) {
        return NETWORK_NONE;
    } else if (activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {
        return NETWORK_WIFI;
    } else if (activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
        final NetworkInfo.State state = activeNetInfo.getState();
        final String subTypeName = activeNetInfo.getSubtypeName();
        if (null != state) {
            switch (activeNetInfo.getSubtype()) {
                case TelephonyManager.NETWORK_TYPE_GPRS:
                case TelephonyManager.NETWORK_TYPE_CDMA:
                case TelephonyManager.NETWORK_TYPE_EDGE:
                case TelephonyManager.NETWORK_TYPE_1xRTT:
                case TelephonyManager.NETWORK_TYPE_IDEN:
                    return NETWORK_2G;
                case TelephonyManager.NETWORK_TYPE_EVDO_A:
                case TelephonyManager.NETWORK_TYPE_UMTS:
                case TelephonyManager.NETWORK_TYPE_EVDO_0:
                case TelephonyManager.NETWORK_TYPE_HSDPA:
                case TelephonyManager.NETWORK_TYPE_HSUPA:
                case TelephonyManager.NETWORK_TYPE_HSPA:
                case TelephonyManager.NETWORK_TYPE_EVDO_B:
                case TelephonyManager.NETWORK_TYPE_EHRPD:
                case TelephonyManager.NETWORK_TYPE_HSPAP:
                    return NETWORK_3G;
                case TelephonyManager.NETWORK_TYPE_LTE:
                    return NETWORK_4G;
                default:
                    if (subTypeName.equalsIgnoreCase("TD-SCDMA")
                            || subTypeName.equalsIgnoreCase("WCDMA")
                            || subTypeName.equalsIgnoreCase("CDMA2000")) {
                        return NETWORK_3G;
                    } else {
                        return NETWORK_UNKNOWN_MOBILE;
                    }
            }
        }
    }
    return NETWORK_NONE;
}
源代码20 项目： AndroidDemo   文件： NetworkConnectChangedReceiver.java 
@Override
public void onReceive(Context context, Intent intent) {// 这个监听wifi的打开与关闭，与wifi的连接无关

    if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {
        int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 0);
        Log.e(TAG0, "WIFI状态:" + wifiState);
        switch (wifiState) {
            case WifiManager.WIFI_STATE_DISABLED:
                //APP.getInstance().setEnablaWifi(false);
                Log.e(TAG0,"WIFI_STATE_DISABLED" );
                break;
            case WifiManager.WIFI_STATE_DISABLING:
                Log.e(TAG0,"WIFI_STATE_DISABLING" );
                break;
            case WifiManager.WIFI_STATE_ENABLING:
                Log.e(TAG0,"WIFI_STATE_ENABLING" );
                break;
            case WifiManager.WIFI_STATE_ENABLED:
                //APP.getInstance().setEnablaWifi(true);
                Log.e(TAG0,"WIFI_STATE_ENABLED");
                break;
            case WifiManager.WIFI_STATE_UNKNOWN:
                Log.e(TAG0,"WIFI_STATE_UNKNOWN" );
                break;
            default:
                break;
        }
    }
    // 这个监听wifi的连接状态即是否连上了一个有效无线路由，当上边广播的状态是WifiManager
    // .WIFI_STATE_DISABLING，和WIFI_STATE_DISABLED的时候，根本不会接到这个广播。
    // 在上边广播接到广播是WifiManager.WIFI_STATE_ENABLED状态的同时也会接到这个广播，
    // 当然刚打开wifi肯定还没有连接到有效的无线
    if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) {
        Parcelable parcelableExtra = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
        if (null != parcelableExtra) {
            NetworkInfo networkInfo = (NetworkInfo) parcelableExtra;
            NetworkInfo.State state = networkInfo.getState();
            boolean isConnected = state == NetworkInfo.State.CONNECTED;// 当然，这边可以更精确的确定状态
            Log.e(TAG1, "WIFI连接状态：" + isConnected);
            if (isConnected) {
                //APP.getInstance().setWifi(true);
            } else {
               // APP.getInstance().setWifi(false);
            }
        }
    }
    // 这个监听网络连接的设置，包括wifi和移动数据的打开和关闭。.
    // 最好用的还是这个监听。wifi如果打开，关闭，以及连接上可用的连接都会接到监听。
    // 这个广播的最大弊端是比上边两个广播的反应要慢，如果只是要监听wifi，觉得还是用上边两个配合比较合适。
    if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
        ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        Log.i(TAG2, "CONNECTIVITY_ACTION");
        string = "\n您的手机当前网络状态是：\n\n";
        NetworkInfo activeNetwork = manager.getActiveNetworkInfo();
        if (activeNetwork != null) { // connected to the internet
            if (activeNetwork.isConnected()) {
                if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI) {
                    // connected to wifi
                    string += "当前WiFi连接可用 ";
                } else if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) {
                    // connected to the mobile provider's data plan
                    string += "当前移动网络连接可用 ";
                }
            } else {
                string += "当前没有网络连接，请确保你已经打开网络 ";
            }

            string +=   "\n类型名："        + activeNetwork.getTypeName()+
                        "\n子类型名："       + activeNetwork.getSubtypeName()+
                        "\n状态："           + activeNetwork.getState()+
                        "\n详细状态："       + activeNetwork.getDetailedState().name()+
                        "\n额外状态："       + activeNetwork.getExtraInfo()+
                        "\n类型："           + activeNetwork.getType();
        } else {   // not connected to the internet
            string += "当前没有网络连接，请确保你已经打开网络 ";
        }
        Log.e("String:",string);
        brInteraction.setText(string);

    }

}
 方法所在类
android.net.NetworkInfo
 同类方法
isConnected ( )
getType ( )
isAvailable ( )
isConnectedOrConnecting ( )
getSubtype ( )
getState ( )
getSubtypeName ( )
getTypeName ( )
getExtraInfo ( )
State ( )
isRoaming ( )
DetailedState ( )
isFailover ( )