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# ServiceState

`public class ServiceState`
`extends Object` `implements Parcelable`

java.lang.Object
↳ | android.telephony.ServiceState

Contains phone state and service related information. The following phone information is included in returned ServiceState:

- Service state: IN_SERVICE, OUT_OF_SERVICE, EMERGENCY_ONLY, POWER_OFF
- Duplex mode: UNKNOWN, FDD, TDD
- Roaming indicator
- Operator name, short name and numeric id
- Network selection mode

For historical reasons this class is not declared as final; however, it should be treated as though it were final.

## Summary

### Constants
`int` | `DUPLEX_MODE_FDD` Duplex mode for the phone is frequency-division duplexing.
`int` | `DUPLEX_MODE_TDD` Duplex mode for the phone is time-division duplexing.
`int` | `DUPLEX_MODE_UNKNOWN` Duplex mode for the phone is unknown.
`int` | `STATE_EMERGENCY_ONLY` The phone is registered and locked. Only emergency numbers are allowed.
`int` | `STATE_IN_SERVICE` Normal operation condition, the phone is registered with an operator either in home network or in roaming.
`int` | `STATE_OUT_OF_SERVICE` Phone is not registered with any operator, the phone can be currently searching a new operator to register to, or not searching to registration at all, or registration is denied, or radio signal is not available.
`int` | `STATE_POWER_OFF` Radio of telephony is explicitly powered off.
`int` | `UNKNOWN_ID` Unknown ID.

### Inherited constants
From interface `android.os.Parcelable`
`int` | `CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int` | `PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `writeToParcel(Parcel, int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`".

### Fields
`public static final Creator<ServiceState>` | `CREATOR`

### Public constructors
`ServiceState()` Empty constructor
`ServiceState(ServiceState s)` Copy constructors
`ServiceState(Parcel in)` This constructor is deprecated. The constructor takes parcel should not be public at the beginning. Use `ServiceState()` instead.

### Public methods
`int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`boolean` | `equals(Object o)` Indicates whether some other object is "equal to" this one.
`int` | `getCdmaNetworkId()` Get the CDMA NID (Network Identification Number), a number uniquely identifying a network within a wireless system.
`int` | `getCdmaSystemId()` Get the CDMA SID (System Identification Number), a number uniquely identifying a wireless system.
`int[]` | `getCellBandwidths()` Get an array of cell bandwidths (kHz) for the current serving cells
`int` | `getChannelNumber()` Get the channel number of the current primary serving cell, or -1 if unknown This is EARFCN for LTE, UARFCN for UMTS, and ARFCN for GSM.
`int` | `getDuplexMode()` Get the current duplex mode
`boolean` | `getIsManualSelection()` Get current network selection mode.
`List<NetworkRegistrationInfo>` | `getNetworkRegistrationInfoList()` Get all of the available network registration info.
`String` | `getOperatorAlphaLong()` Get current registered operator name in long alphanumeric format.
`String` | `getOperatorAlphaShort()` Get current registered operator name in short alphanumeric format.
`String` | `getOperatorNumeric()` Get current registered operator numeric id.
`boolean` | `getRoaming()` Get current roaming indicator of phone (note: not just decoding from TS 27.007 7.2)
`int` | `getState()` Get current voice service state
`int` | `hashCode()` Returns a hash code value for the object.
`boolean` | `isSearching()` This indicates whether the device is searching for service.
`void` | `setIsManualSelection(boolean isManual)`
`void` | `setOperatorName(String longName, String shortName, String numeric)`
`void` | `setRoaming(boolean roaming)`
`void` | `setState(int state)`
`void` | `setStateOff()`
`void` | `setStateOutOfService()`
`String` | `toString()` Returns a string representation of the object.
`void` | `writeToParcel(Parcel out, int flags)` Flatten this object in to a Parcel.

### Protected methods
`void` | `copyFrom(ServiceState s)`

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.
From interface `android.os.Parcelable`
`abstract int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`abstract void` | `writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

## Constants

### DUPLEX_MODE_FDD

    public static final int DUPLEX_MODE_FDD

Duplex mode for the phone is frequency-division duplexing.

Constant Value: 1 (0x00000001)

### DUPLEX_MODE_TDD

    public static final int DUPLEX_MODE_TDD

Duplex mode for the phone is time-division duplexing.

Constant Value: 2 (0x00000002)

### DUPLEX_MODE_UNKNOWN

    public static final int DUPLEX_MODE_UNKNOWN

Duplex mode for the phone is unknown.

Constant Value: 0 (0x00000000)

### STATE_EMERGENCY_ONLY

    public static final int STATE_EMERGENCY_ONLY

The phone is registered and locked. Only emergency numbers are allowed.

Constant Value: 2 (0x00000002)

### STATE_IN_SERVICE

    public static final int STATE_IN_SERVICE

Normal operation condition, the phone is registered with an operator either in home network or in roaming.

Constant Value: 0 (0x00000000)

### STATE_OUT_OF_SERVICE

    public static final int STATE_OUT_OF_SERVICE

Phone is not registered with any operator, the phone can be currently searching a new operator to register to, or not searching to registration at all, or registration is denied, or radio signal is not available.

Constant Value: 1 (0x00000001)

### STATE_POWER_OFF

    public static final int STATE_POWER_OFF

Radio of telephony is explicitly powered off.

Constant Value: 3 (0x00000003)

### UNKNOWN_ID

    public static final int UNKNOWN_ID

Unknown ID. Could be returned by `getCdmaNetworkId()` or `getCdmaSystemId()`

Constant Value: -1 (0xffffffff)

## Fields

### CREATOR

    public static final Creator<ServiceState> CREATOR

## Public constructors

### ServiceState

    public ServiceState ()

Empty constructor

### ServiceState

    public ServiceState (ServiceState s)

Copy constructors

Parameters
`s` | `ServiceState`: Source service state

### ServiceState

    public ServiceState (Parcel in)

This constructor is deprecated.
The constructor takes parcel should not be public at the beginning. Use `ServiceState()` instead.

Construct a ServiceState object from the given parcel.

Parameters
`in` | `Parcel`

## Public methods

### describeContents

    public int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of `writeToParcel(android.os.Parcel, int)`, the return value of this method must include the `CONTENTS_FILE_DESCRIPTOR` bit.

Returns
`int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or `CONTENTS_FILE_DESCRIPTOR`

### equals

    public boolean equals (Object o)

Indicates whether some other object is "equal to" this one.

The `equals` method implements an equivalence relation on non-null object references:

- It is reflexive: for any non-null reference value `x`, `x.equals(x)` should return `true`.
- It is symmetric: for any non-null reference values `x` and `y`, `x.equals(y)` should return `true` if and only if `y.equals(x)` returns `true`.
- It is transitive: for any non-null reference values `x`, `y`, and `z`, if `x.equals(y)` returns `true` and `y.equals(z)` returns `true`, then `x.equals(z)` should return `true`.
- It is consistent: for any non-null reference values `x` and `y`, multiple invocations of `x.equals(y)` consistently return `true` or consistently return `false`, provided no information used in `equals` comparisons on the objects is modified.
- For any non-null reference value `x`, `x.equals(null)` should return `false`.

The `equals` method for class `Object` implements the most discriminating possible equivalence relation on objects; that is, for any non-null reference values `x` and `y`, this method returns `true` if and only if `x` and `y` refer to the same object (`x == y` has the value `true`).

Note that it is generally necessary to override the `hashCode` method whenever this method is overridden, so as to maintain the general contract for the `hashCode` method, which states that equal objects must have equal hash codes.

Parameters
`o` | `Object`: the reference object with which to compare.

Returns
`boolean` | `true` if this object is the same as the obj argument; `false` otherwise.

### getCdmaNetworkId

    public int getCdmaNetworkId ()

Get the CDMA NID (Network Identification Number), a number uniquely identifying a network within a wireless system. (Defined in 3GPP2 C.S0023 3.4.8)

Returns
`int` | The CDMA NID or `UNKNOWN_ID` if not available.

### getCdmaSystemId

    public int getCdmaSystemId ()

Get the CDMA SID (System Identification Number), a number uniquely identifying a wireless system. (Defined in 3GPP2 C.S0023 3.4.8)

Returns
`int` | The CDMA SID or `UNKNOWN_ID` if not available.

### getCellBandwidths

    public int[] getCellBandwidths ()

Get an array of cell bandwidths (kHz) for the current serving cells

Returns
`int[]` | Current serving cell bandwidths

### getChannelNumber

    public int getChannelNumber ()

Get the channel number of the current primary serving cell, or -1 if unknown

This is EARFCN for LTE, UARFCN for UMTS, and ARFCN for GSM.

Returns
`int` | Channel number of primary serving cell

### getDuplexMode

    public int getDuplexMode ()

Get the current duplex mode

Returns
`int` | Current `DuplexMode` for the phone Value is `DUPLEX_MODE_UNKNOWN`, `DUPLEX_MODE_FDD`, or `DUPLEX_MODE_TDD`

See also:

- `DUPLEX_MODE_UNKNOWN`
- `DUPLEX_MODE_FDD`
- `DUPLEX_MODE_TDD`

### getIsManualSelection

    public boolean getIsManualSelection ()

Get current network selection mode.

Returns
`boolean` | true if manual mode, false if automatic mode

### getNetworkRegistrationInfoList

    public List<NetworkRegistrationInfo> getNetworkRegistrationInfoList ()

Get all of the available network registration info.

Returns
`List<NetworkRegistrationInfo>` | List of `NetworkRegistrationInfo` This value cannot be `null`.

### getOperatorAlphaLong

    public String getOperatorAlphaLong ()

Get current registered operator name in long alphanumeric format. In GSM/UMTS, long format can be up to 16 characters long. In CDMA, returns the ERI text, if set. Otherwise, returns the ONS.

Returns
`String` | long name of operator, null if unregistered or unknown

### getOperatorAlphaShort

    public String getOperatorAlphaShort ()

Get current registered operator name in short alphanumeric format. In GSM/UMTS, short format can be up to 8 characters long.

Returns
`String` | short name of operator, null if unregistered or unknown

### getOperatorNumeric

    public String getOperatorNumeric ()

Get current registered operator numeric id. In GSM/UMTS, numeric format is 3 digit country code plus 2 or 3 digit network code.

Returns
`String` | numeric format of operator, null if unregistered or unknown

### getRoaming

    public boolean getRoaming ()

Get current roaming indicator of phone (note: not just decoding from TS 27.007 7.2)

Returns
`boolean` | true if TS 27.007 7.2 roaming is true and ONS is different from SPN

### getState

    public int getState ()

Get current voice service state

Returns
`int` |

### hashCode

    public int hashCode ()

Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided by `HashMap`.

The general contract of `hashCode` is:

- Whenever it is invoked on the same object more than once during an execution of a Java application, the `hashCode` method must consistently return the same integer, provided no information used in `equals` comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
- If two objects are equal according to the `equals(Object)` method, then calling the `hashCode` method on each of the two objects must produce the same integer result.
- It is not required that if two objects are unequal according to the `equals(java.lang.Object)` method, then calling the `hashCode` method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.

As much as is reasonably practical, the hashCode method defined by class `Object` does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Java™ programming language.)

Returns
`int` | a hash code value for this object.

### isSearching

    public boolean isSearching ()

This indicates whether the device is searching for service. This API reports the modem searching status for `AccessNetworkConstants#TRANSPORT_TYPE_WWAN` (cellular) service in either `NetworkRegistrationInfo#DOMAIN_CS` or `NetworkRegistrationInfo#DOMAIN_PS`. This API will not report searching status for `AccessNetworkConstants#TRANSPORT_TYPE_WLAN`.

Returns
`boolean` | `true` whenever the modem is searching for service.

### setIsManualSelection

    public void setIsManualSelection (boolean isManual)

Parameters
`isManual` | `boolean`

### setOperatorName

    public void setOperatorName (String longName,
                    String shortName,
                    String numeric)

Parameters
`longName` | `String`
`shortName` | `String`
`numeric` | `String`

### setRoaming

    public void setRoaming (boolean roaming)

Parameters
`roaming` | `boolean`

### setState

    public void setState (int state)

Parameters
`state` | `int`

### setStateOff

    public void setStateOff ()

### setStateOutOfService

    public void setStateOutOfService ()

### toString

    public String toString ()

Returns a string representation of the object. In general, the `toString` method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The `toString` method for class `Object` returns a string consisting of the name of the class of which the object is an instance, the at-sign character ``@`', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:

>      getClass().getName() + '@' + Integer.toHexString(hashCode())

Returns
`String` | a string representation of the object.

### writeToParcel

    public void writeToParcel (Parcel out,
                    int flags)

Flatten this object in to a Parcel.

Parameters
`out` | `Parcel`: The Parcel in which the object should be written.
`flags` | `int`: Additional flags about how the object should be written. May be 0 or `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES

## Protected methods

### copyFrom

    protected void copyFrom (ServiceState s)

Parameters
`s` | `ServiceState`

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