https://source.android.com/ 
/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.net;

import android.os.Parcel;
import android.os.Parcelable;

import com.android.internal.annotations.VisibleForTesting;

import java.util.EnumMap;


Describes the status of a network interface.

Use ConnectivityManager.getActiveNetworkInfo() to get an instance that represents the current network connection. 
/**
 * Describes the status of a network interface.
 * <p>Use {@link ConnectivityManager#getActiveNetworkInfo()} to get an instance that represents
 * the current network connection.
 */
public class NetworkInfo implements Parcelable {

    
Coarse-grained network state. This is probably what most applications should use, rather than DetailedState. The mapping between the two is as follows: 





Detailed stateCoarse-grained state


IDLEDISCONNECTED


SCANNINGDISCONNECTED


CONNECTINGCONNECTING


AUTHENTICATINGCONNECTING


OBTAINING_IPADDRCONNECTING


VERIFYING_POOR_LINKCONNECTING


CAPTIVE_PORTAL_CHECKCONNECTING


CONNECTEDCONNECTED


SUSPENDEDSUSPENDED


DISCONNECTINGDISCONNECTING


DISCONNECTEDDISCONNECTED


FAILEDDISCONNECTED


BLOCKEDDISCONNECTED




/**
     * Coarse-grained network state. This is probably what most applications should
     * use, rather than {@link android.net.NetworkInfo.DetailedState DetailedState}.
     * The mapping between the two is as follows:
     * <br/><br/>
     * <table>
     * <tr><td><b>Detailed state</b></td><td><b>Coarse-grained state</b></td></tr>
     * <tr><td><code>IDLE</code></td><td><code>DISCONNECTED</code></td></tr>
     * <tr><td><code>SCANNING</code></td><td><code>DISCONNECTED</code></td></tr>
     * <tr><td><code>CONNECTING</code></td><td><code>CONNECTING</code></td></tr>
     * <tr><td><code>AUTHENTICATING</code></td><td><code>CONNECTING</code></td></tr>
     * <tr><td><code>OBTAINING_IPADDR</code></td><td><code>CONNECTING</code></td></tr>
     * <tr><td><code>VERIFYING_POOR_LINK</code></td><td><code>CONNECTING</code></td></tr>
     * <tr><td><code>CAPTIVE_PORTAL_CHECK</code></td><td><code>CONNECTING</code></td></tr>
     * <tr><td><code>CONNECTED</code></td><td><code>CONNECTED</code></td></tr>
     * <tr><td><code>SUSPENDED</code></td><td><code>SUSPENDED</code></td></tr>
     * <tr><td><code>DISCONNECTING</code></td><td><code>DISCONNECTING</code></td></tr>
     * <tr><td><code>DISCONNECTED</code></td><td><code>DISCONNECTED</code></td></tr>
     * <tr><td><code>FAILED</code></td><td><code>DISCONNECTED</code></td></tr>
     * <tr><td><code>BLOCKED</code></td><td><code>DISCONNECTED</code></td></tr>
     * </table>
     */
    public enum State {
        CONNECTING, CONNECTED, SUSPENDED, DISCONNECTING, DISCONNECTED, UNKNOWN
    }

    
The fine-grained state of a network connection. This level of detail is probably of interest to few applications. Most should use State instead. 
/**
     * The fine-grained state of a network connection. This level of detail
     * is probably of interest to few applications. Most should use
     * {@link android.net.NetworkInfo.State State} instead.
     */
    public enum DetailedState {
        
Ready to start data connection setup. 
/** Ready to start data connection setup. */
        IDLE,
        
Searching for an available access point. 
/** Searching for an available access point. */
        SCANNING,
        
Currently setting up data connection. 
/** Currently setting up data connection. */
        CONNECTING,
        
Network link established, performing authentication. 
/** Network link established, performing authentication. */
        AUTHENTICATING,
        
Awaiting response from DHCP server in order to assign IP address information. 
/** Awaiting response from DHCP server in order to assign IP address information. */
        OBTAINING_IPADDR,
        
IP traffic should be available. 
/** IP traffic should be available. */
        CONNECTED,
        
IP traffic is suspended 
/** IP traffic is suspended */
        SUSPENDED,
        
Currently tearing down data connection. 
/** Currently tearing down data connection. */
        DISCONNECTING,
        
IP traffic not available. 
/** IP traffic not available. */
        DISCONNECTED,
        
Attempt to connect failed. 
/** Attempt to connect failed. */
        FAILED,
        
Access to this network is blocked. 
/** Access to this network is blocked. */
        BLOCKED,
        
Link has poor connectivity. 
/** Link has poor connectivity. */
        VERIFYING_POOR_LINK,
        
Checking if network is a captive portal 
/** Checking if network is a captive portal */
        CAPTIVE_PORTAL_CHECK
    }

    
This is the map described in the Javadoc comment above. The positions
of the elements of the array must correspond to the ordinal values
of DetailedState.

/**
     * This is the map described in the Javadoc comment above. The positions
     * of the elements of the array must correspond to the ordinal values
     * of <code>DetailedState</code>.
     */
    private static final EnumMap<DetailedState, State> stateMap =
        new EnumMap<DetailedState, State>(DetailedState.class);

    static {
        stateMap.put(DetailedState.IDLE, State.DISCONNECTED);
        stateMap.put(DetailedState.SCANNING, State.DISCONNECTED);
        stateMap.put(DetailedState.CONNECTING, State.CONNECTING);
        stateMap.put(DetailedState.AUTHENTICATING, State.CONNECTING);
        stateMap.put(DetailedState.OBTAINING_IPADDR, State.CONNECTING);
        stateMap.put(DetailedState.VERIFYING_POOR_LINK, State.CONNECTING);
        stateMap.put(DetailedState.CAPTIVE_PORTAL_CHECK, State.CONNECTING);
        stateMap.put(DetailedState.CONNECTED, State.CONNECTED);
        stateMap.put(DetailedState.SUSPENDED, State.SUSPENDED);
        stateMap.put(DetailedState.DISCONNECTING, State.DISCONNECTING);
        stateMap.put(DetailedState.DISCONNECTED, State.DISCONNECTED);
        stateMap.put(DetailedState.FAILED, State.DISCONNECTED);
        stateMap.put(DetailedState.BLOCKED, State.DISCONNECTED);
    }

    private int mNetworkType;
    private int mSubtype;
    private String mTypeName;
    private String mSubtypeName;
    private State mState;
    private DetailedState mDetailedState;
    private String mReason;
    private String mExtraInfo;
    private boolean mIsFailover;
    private boolean mIsAvailable;
    private boolean mIsRoaming;

    
@hide
/**
     * @hide
     */
    public NetworkInfo(int type, int subtype, String typeName, String subtypeName) {
        if (!ConnectivityManager.isNetworkTypeValid(type)
                && type != ConnectivityManager.TYPE_NONE) {
            throw new IllegalArgumentException("Invalid network type: " + type);
        }
        mNetworkType = type;
        mSubtype = subtype;
        mTypeName = typeName;
        mSubtypeName = subtypeName;
        setDetailedState(DetailedState.IDLE, null, null);
        mState = State.UNKNOWN;
    }

    
{@hide} 
/** {@hide} */
    public NetworkInfo(NetworkInfo source) {
        if (source != null) {
            synchronized (source) {
                mNetworkType = source.mNetworkType;
                mSubtype = source.mSubtype;
                mTypeName = source.mTypeName;
                mSubtypeName = source.mSubtypeName;
                mState = source.mState;
                mDetailedState = source.mDetailedState;
                mReason = source.mReason;
                mExtraInfo = source.mExtraInfo;
                mIsFailover = source.mIsFailover;
                mIsAvailable = source.mIsAvailable;
                mIsRoaming = source.mIsRoaming;
            }
        }
    }

    
Reports the type of network to which the info in this NetworkInfo pertains. 
Returns:one of ConnectivityManager.TYPE_MOBILE, ConnectivityManager.TYPE_WIFI, ConnectivityManager.TYPE_WIMAX, ConnectivityManager.TYPE_ETHERNET, ConnectivityManager.TYPE_BLUETOOTH, or other types defined by ConnectivityManager.
Deprecated:Callers should switch to checking NetworkCapabilities.hasTransport instead with one of the NetworkCapabilities#TRANSPORT_* constants : getType and getTypeName cannot account for networks using multiple transports. Note that generally apps should not care about transport; NetworkCapabilities.NET_CAPABILITY_NOT_METERED and NetworkCapabilities.getLinkDownstreamBandwidthKbps are calls that apps concerned with meteredness or bandwidth should be looking at, as they offer this information with much better accuracy.
/**
     * Reports the type of network to which the
     * info in this {@code NetworkInfo} pertains.
     * @return one of {@link ConnectivityManager#TYPE_MOBILE}, {@link
     * ConnectivityManager#TYPE_WIFI}, {@link ConnectivityManager#TYPE_WIMAX}, {@link
     * ConnectivityManager#TYPE_ETHERNET},  {@link ConnectivityManager#TYPE_BLUETOOTH}, or other
     * types defined by {@link ConnectivityManager}.
     * @deprecated Callers should switch to checking {@link NetworkCapabilities#hasTransport}
     *             instead with one of the NetworkCapabilities#TRANSPORT_* constants :
     *             {@link #getType} and {@link #getTypeName} cannot account for networks using
     *             multiple transports. Note that generally apps should not care about transport;
     *             {@link NetworkCapabilities#NET_CAPABILITY_NOT_METERED} and
     *             {@link NetworkCapabilities#getLinkDownstreamBandwidthKbps} are calls that
     *             apps concerned with meteredness or bandwidth should be looking at, as they
     *             offer this information with much better accuracy.
     */
    @Deprecated
    public int getType() {
        synchronized (this) {
            return mNetworkType;
        }
    }

    
Deprecated:Use NetworkCapabilities instead
@hide
/**
     * @deprecated Use {@link NetworkCapabilities} instead
     * @hide
     */
    @Deprecated
    public void setType(int type) {
        synchronized (this) {
            mNetworkType = type;
        }
    }

    
Return a network-type-specific integer describing the subtype
of the network.

Returns:the network subtype
/**
     * Return a network-type-specific integer describing the subtype
     * of the network.
     * @return the network subtype
     */
    public int getSubtype() {
        synchronized (this) {
            return mSubtype;
        }
    }

    
@hide
/**
     * @hide
     */
    public void setSubtype(int subtype, String subtypeName) {
        synchronized (this) {
            mSubtype = subtype;
            mSubtypeName = subtypeName;
        }
    }

    
Return a human-readable name describe the type of the network,
for example "WIFI" or "MOBILE".

Returns:the name of the network type
Deprecated:Callers should switch to checking NetworkCapabilities.hasTransport instead with one of the NetworkCapabilities#TRANSPORT_* constants : getType and getTypeName cannot account for networks using multiple transports. Note that generally apps should not care about transport; NetworkCapabilities.NET_CAPABILITY_NOT_METERED and NetworkCapabilities.getLinkDownstreamBandwidthKbps are calls that apps concerned with meteredness or bandwidth should be looking at, as they offer this information with much better accuracy.
/**
     * Return a human-readable name describe the type of the network,
     * for example "WIFI" or "MOBILE".
     * @return the name of the network type
     * @deprecated Callers should switch to checking {@link NetworkCapabilities#hasTransport}
     *             instead with one of the NetworkCapabilities#TRANSPORT_* constants :
     *             {@link #getType} and {@link #getTypeName} cannot account for networks using
     *             multiple transports. Note that generally apps should not care about transport;
     *             {@link NetworkCapabilities#NET_CAPABILITY_NOT_METERED} and
     *             {@link NetworkCapabilities#getLinkDownstreamBandwidthKbps} are calls that
     *             apps concerned with meteredness or bandwidth should be looking at, as they
     *             offer this information with much better accuracy.
     */
    @Deprecated
    public String getTypeName() {
        synchronized (this) {
            return mTypeName;
        }
    }

    
Return a human-readable name describing the subtype of the network.

Returns:the name of the network subtype
/**
     * Return a human-readable name describing the subtype of the network.
     * @return the name of the network subtype
     */
    public String getSubtypeName() {
        synchronized (this) {
            return mSubtypeName;
        }
    }

    
Indicates whether network connectivity exists or is in the process of being established. This is good for applications that need to do anything related to the network other than read or write data. For the latter, call isConnected() instead, which guarantees that the network is fully usable. 
Returns:true if network connectivity exists or is in the process of being established, false otherwise.
Deprecated:Apps should instead use the NetworkCallback API to learn about connectivity changes. ConnectivityManager.registerDefaultNetworkCallback and ConnectivityManager.registerNetworkCallback. These will give a more accurate picture of the connectivity state of the device and let apps react more easily and quickly to changes.
/**
     * Indicates whether network connectivity exists or is in the process
     * of being established. This is good for applications that need to
     * do anything related to the network other than read or write data.
     * For the latter, call {@link #isConnected()} instead, which guarantees
     * that the network is fully usable.
     * @return {@code true} if network connectivity exists or is in the process
     * of being established, {@code false} otherwise.
     * @deprecated Apps should instead use the
     *             {@link android.net.ConnectivityManager.NetworkCallback} API to
     *             learn about connectivity changes.
     *             {@link ConnectivityManager#registerDefaultNetworkCallback} and
     *             {@link ConnectivityManager#registerNetworkCallback}. These will
     *             give a more accurate picture of the connectivity state of
     *             the device and let apps react more easily and quickly to changes.
     */
    @Deprecated
    public boolean isConnectedOrConnecting() {
        synchronized (this) {
            return mState == State.CONNECTED || mState == State.CONNECTING;
        }
    }

    
Indicates whether network connectivity exists and it is possible to establish
connections and pass data.

Always call this before attempting to perform data transactions.

Returns:true if network connectivity exists, false otherwise.
/**
     * Indicates whether network connectivity exists and it is possible to establish
     * connections and pass data.
     * <p>Always call this before attempting to perform data transactions.
     * @return {@code true} if network connectivity exists, {@code false} otherwise.
     */
    public boolean isConnected() {
        synchronized (this) {
            return mState == State.CONNECTED;
        }
    }

    
Indicates whether network connectivity is possible. A network is unavailable
when a persistent or semi-persistent condition prevents the possibility
of connecting to that network. Examples include

    

  • The device is out of the coverage area for any network of this type.
    • 

  • The device is on a network other than the home network (i.e., roaming), and
data roaming has been disabled.
    • 

  • The device's radio is turned off, e.g., because airplane mode is enabled.
    • 

 Since Android L, this always returns true, because the system only returns info for available networks. 
Returns:true if the network is available, false otherwise
Deprecated:Apps should instead use the NetworkCallback API to learn about connectivity changes. ConnectivityManager.registerDefaultNetworkCallback and ConnectivityManager.registerNetworkCallback. These will give a more accurate picture of the connectivity state of the device and let apps react more easily and quickly to changes.
/**
     * Indicates whether network connectivity is possible. A network is unavailable
     * when a persistent or semi-persistent condition prevents the possibility
     * of connecting to that network. Examples include
     * <ul>
     * <li>The device is out of the coverage area for any network of this type.</li>
     * <li>The device is on a network other than the home network (i.e., roaming), and
     * data roaming has been disabled.</li>
     * <li>The device's radio is turned off, e.g., because airplane mode is enabled.</li>
     * </ul>
     * Since Android L, this always returns {@code true}, because the system only
     * returns info for available networks.
     * @return {@code true} if the network is available, {@code false} otherwise
     * @deprecated Apps should instead use the
     *             {@link android.net.ConnectivityManager.NetworkCallback} API to
     *             learn about connectivity changes.
     *             {@link ConnectivityManager#registerDefaultNetworkCallback} and
     *             {@link ConnectivityManager#registerNetworkCallback}. These will
     *             give a more accurate picture of the connectivity state of
     *             the device and let apps react more easily and quickly to changes.
     */
    @Deprecated
    public boolean isAvailable() {
        synchronized (this) {
            return mIsAvailable;
        }
    }

    
Sets if the network is available, ie, if the connectivity is possible.

Params:
  • isAvailable – the new availability value.
Deprecated:Use NetworkCapabilities instead
@hide
/**
     * Sets if the network is available, ie, if the connectivity is possible.
     * @param isAvailable the new availability value.
     * @deprecated Use {@link NetworkCapabilities} instead
     *
     * @hide
     */
    @Deprecated
    public void setIsAvailable(boolean isAvailable) {
        synchronized (this) {
            mIsAvailable = isAvailable;
        }
    }

    
Indicates whether the current attempt to connect to the network
resulted from the ConnectivityManager trying to fail over to this
network following a disconnect from another network.

Returns:true if this is a failover attempt, false otherwise.
Deprecated:This field is not populated in recent Android releases,
            and does not make a lot of sense in a multi-network world.
/**
     * Indicates whether the current attempt to connect to the network
     * resulted from the ConnectivityManager trying to fail over to this
     * network following a disconnect from another network.
     * @return {@code true} if this is a failover attempt, {@code false}
     * otherwise.
     * @deprecated This field is not populated in recent Android releases,
     *             and does not make a lot of sense in a multi-network world.
     */
    @Deprecated
    public boolean isFailover() {
        synchronized (this) {
            return mIsFailover;
        }
    }

    
Set the failover boolean.

Params:
  • isFailover – true to mark the current connection attempt as a failover.
Deprecated:This hasn't been set in any recent Android release.
@hide
/**
     * Set the failover boolean.
     * @param isFailover {@code true} to mark the current connection attempt
     * as a failover.
     * @deprecated This hasn't been set in any recent Android release.
     * @hide
     */
    @Deprecated
    public void setFailover(boolean isFailover) {
        synchronized (this) {
            mIsFailover = isFailover;
        }
    }

    
Indicates whether the device is currently roaming on this network. When true, it suggests that use of data on this network may incur extra costs. 
Returns:true if roaming is in effect, false otherwise.
Deprecated:Callers should switch to checking NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING instead, since that handles more complex situations, such as VPNs.
/**
     * Indicates whether the device is currently roaming on this network. When
     * {@code true}, it suggests that use of data on this network may incur
     * extra costs.
     *
     * @return {@code true} if roaming is in effect, {@code false} otherwise.
     * @deprecated Callers should switch to checking
     *             {@link NetworkCapabilities#NET_CAPABILITY_NOT_ROAMING}
     *             instead, since that handles more complex situations, such as
     *             VPNs.
     */
    @Deprecated
    public boolean isRoaming() {
        synchronized (this) {
            return mIsRoaming;
        }
    }

    
Deprecated:Use NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING instead. {@hide}
/**
     * @deprecated Use {@link NetworkCapabilities#NET_CAPABILITY_NOT_ROAMING} instead.
     * {@hide}
     */
    @VisibleForTesting
    @Deprecated
    public void setRoaming(boolean isRoaming) {
        synchronized (this) {
            mIsRoaming = isRoaming;
        }
    }

    
Reports the current coarse-grained state of the network.

Returns:the coarse-grained state
Deprecated:Apps should instead use the NetworkCallback API to learn about connectivity changes. ConnectivityManager.registerDefaultNetworkCallback and ConnectivityManager.registerNetworkCallback. These will give a more accurate picture of the connectivity state of the device and let apps react more easily and quickly to changes.
/**
     * Reports the current coarse-grained state of the network.
     * @return the coarse-grained state
     * @deprecated Apps should instead use the
     *             {@link android.net.ConnectivityManager.NetworkCallback} API to
     *             learn about connectivity changes.
     *             {@link ConnectivityManager#registerDefaultNetworkCallback} and
     *             {@link ConnectivityManager#registerNetworkCallback}. These will
     *             give a more accurate picture of the connectivity state of
     *             the device and let apps react more easily and quickly to changes.
     */
    @Deprecated
    public State getState() {
        synchronized (this) {
            return mState;
        }
    }

    
Reports the current fine-grained state of the network.

Returns:the fine-grained state
/**
     * Reports the current fine-grained state of the network.
     * @return the fine-grained state
     */
    public DetailedState getDetailedState() {
        synchronized (this) {
            return mDetailedState;
        }
    }

    
Sets the fine-grained state of the network.

Params:
  • detailedState – the DetailedState.
  • reason – a String indicating the reason for the state change, if one was supplied. May be null.
  • extraInfo – an optional String providing addditional network state information passed up from the lower networking layers.
Deprecated:Use NetworkCapabilities instead.
@hide
/**
     * Sets the fine-grained state of the network.
     * @param detailedState the {@link DetailedState}.
     * @param reason a {@code String} indicating the reason for the state change,
     * if one was supplied. May be {@code null}.
     * @param extraInfo an optional {@code String} providing addditional network state
     * information passed up from the lower networking layers.
     * @deprecated Use {@link NetworkCapabilities} instead.
     * @hide
     */
    @Deprecated
    public void setDetailedState(DetailedState detailedState, String reason, String extraInfo) {
        synchronized (this) {
            this.mDetailedState = detailedState;
            this.mState = stateMap.get(detailedState);
            this.mReason = reason;
            this.mExtraInfo = extraInfo;
        }
    }

    
Set the extraInfo field.

Params:
  • extraInfo – an optional String providing addditional network state information passed up from the lower networking layers.
@hide
/**
     * Set the extraInfo field.
     * @param extraInfo an optional {@code String} providing addditional network state
     * information passed up from the lower networking layers.
     * @hide
     */
    public void setExtraInfo(String extraInfo) {
        synchronized (this) {
            this.mExtraInfo = extraInfo;
        }
    }

    
Report the reason an attempt to establish connectivity failed,
if one is available.

Returns:the reason for failure, or null if not available
Deprecated:This method does not have a consistent contract that could make it useful
            to callers.
/**
     * Report the reason an attempt to establish connectivity failed,
     * if one is available.
     * @return the reason for failure, or null if not available
     * @deprecated This method does not have a consistent contract that could make it useful
     *             to callers.
     */
    public String getReason() {
        synchronized (this) {
            return mReason;
        }
    }

    
Report the extra information about the network state, if any was
provided by the lower networking layers.

Returns:the extra information, or null if not available
/**
     * Report the extra information about the network state, if any was
     * provided by the lower networking layers.
     * @return the extra information, or null if not available
     */
    public String getExtraInfo() {
        synchronized (this) {
            return mExtraInfo;
        }
    }

    @Override
    public String toString() {
        synchronized (this) {
            StringBuilder builder = new StringBuilder("[");
            builder.append("type: ").append(getTypeName()).append("[").append(getSubtypeName()).
            append("], state: ").append(mState).append("/").append(mDetailedState).
            append(", reason: ").append(mReason == null ? "(unspecified)" : mReason).
            append(", extra: ").append(mExtraInfo == null ? "(none)" : mExtraInfo).
            append(", failover: ").append(mIsFailover).
            append(", available: ").append(mIsAvailable).
            append(", roaming: ").append(mIsRoaming).
            append("]");
            return builder.toString();
        }
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        synchronized (this) {
            dest.writeInt(mNetworkType);
            dest.writeInt(mSubtype);
            dest.writeString(mTypeName);
            dest.writeString(mSubtypeName);
            dest.writeString(mState.name());
            dest.writeString(mDetailedState.name());
            dest.writeInt(mIsFailover ? 1 : 0);
            dest.writeInt(mIsAvailable ? 1 : 0);
            dest.writeInt(mIsRoaming ? 1 : 0);
            dest.writeString(mReason);
            dest.writeString(mExtraInfo);
        }
    }

    public static final Creator<NetworkInfo> CREATOR = new Creator<NetworkInfo>() {
        @Override
        public NetworkInfo createFromParcel(Parcel in) {
            int netType = in.readInt();
            int subtype = in.readInt();
            String typeName = in.readString();
            String subtypeName = in.readString();
            NetworkInfo netInfo = new NetworkInfo(netType, subtype, typeName, subtypeName);
            netInfo.mState = State.valueOf(in.readString());
            netInfo.mDetailedState = DetailedState.valueOf(in.readString());
            netInfo.mIsFailover = in.readInt() != 0;
            netInfo.mIsAvailable = in.readInt() != 0;
            netInfo.mIsRoaming = in.readInt() != 0;
            netInfo.mReason = in.readString();
            netInfo.mExtraInfo = in.readString();
            return netInfo;
        }

        @Override
        public NetworkInfo[] newArray(int size) {
            return new NetworkInfo[size];
        }
    };
}