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CellInfo

public abstract class CellInfo
extends Object implements Parcelable

java.lang.Object
↳	android.telephony.CellInfo

Known direct subclasses

CellInfoCdma, CellInfoGsm, CellInfoLte, CellInfoNr, CellInfoTdscdma, CellInfoWcdma

CellInfoCdma	A `CellInfo` representing a CDMA cell that provides identity and measurement info.
CellInfoGsm	A `CellInfo` representing a GSM cell that provides identity and measurement info.
CellInfoLte	A `CellInfo` representing an LTE cell that provides identity and measurement info.
CellInfoNr	A `CellInfo` representing an 5G NR cell that provides identity and measurement info.
CellInfoTdscdma	A `CellInfo` representing a TD-SCDMA cell that provides identity and measurement info.
CellInfoWcdma	A `CellInfo` representing a WCDMA cell that provides identity and measurement info.

Immutable cell information from a point in time.

Summary

Constants
`int`	`CONNECTION_NONE` Cell is not a serving cell.
`int`	`CONNECTION_PRIMARY_SERVING` UE is connected to cell for signalling and possibly data (3GPP 36.331, 25.331).
`int`	`CONNECTION_SECONDARY_SERVING` UE is connected to cell for data (3GPP 36.331, 25.331).
`int`	`CONNECTION_UNKNOWN` Connection status is unknown.
`int`	`UNAVAILABLE` This value indicates that the integer field is unreported.
`long`	`UNAVAILABLE_LONG` This value indicates that the long field is unreported.

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<CellInfo>`	`CREATOR` Implement the Parcelable interface

Public methods
`int`	`describeContents()` Implement the Parcelable interface
`boolean`	`equals(Object o)` Indicates whether some other object is "equal to" this one.
`int`	`getCellConnectionStatus()` Gets the connection status of this cell.
`abstract CellIdentity`	`getCellIdentity()`
`abstract CellSignalStrength`	`getCellSignalStrength()`
`long`	`getTimeStamp()` This method is deprecated. Use `getTimestampMillis()` instead.
`long`	`getTimestampMillis()` Approximate time this cell information was received from the modem.
`int`	`hashCode()` Returns a hash code value for the object.
`boolean`	`isRegistered()` True if the phone is registered to a mobile network that provides service on this cell and this cell is being used or would be used for network signaling.
`String`	`toString()` Returns a string representation of the object.
`abstract void`	`writeToParcel(Parcel dest, int flags)` Implement the Parcelable interface

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

CONNECTION_NONE

public static final int CONNECTION_NONE

Cell is not a serving cell.

The cell has been measured but is neither a camped nor serving cell (3GPP 36.304).

Constant Value: 0 (0x00000000)

CONNECTION_PRIMARY_SERVING

public static final int CONNECTION_PRIMARY_SERVING

UE is connected to cell for signalling and possibly data (3GPP 36.331, 25.331).

Constant Value: 1 (0x00000001)

CONNECTION_SECONDARY_SERVING

public static final int CONNECTION_SECONDARY_SERVING

UE is connected to cell for data (3GPP 36.331, 25.331).

Constant Value: 2 (0x00000002)

CONNECTION_UNKNOWN

public static final int CONNECTION_UNKNOWN

Connection status is unknown.

Constant Value: 2147483647 (0x7fffffff)

UNAVAILABLE

public static final int UNAVAILABLE

This value indicates that the integer field is unreported.

Constant Value: 2147483647 (0x7fffffff)

UNAVAILABLE_LONG

public static final long UNAVAILABLE_LONG

This value indicates that the long field is unreported.

Constant Value: 9223372036854775807 (0x7fffffffffffffff)

Fields

CREATOR

public static final Creator<CellInfo> CREATOR

Implement the Parcelable interface

Public methods

describeContents

public int describeContents ()

Implement the Parcelable interface

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.

getCellConnectionStatus

public int getCellConnectionStatus ()

Gets the connection status of this cell.

Returns
`int`	The connection status of the cell. Value is `CONNECTION_NONE`, `CONNECTION_PRIMARY_SERVING`, `CONNECTION_SECONDARY_SERVING`, or `CONNECTION_UNKNOWN`

See also:

getCellIdentity

public abstract CellIdentity getCellIdentity ()

Returns
`CellIdentity`	a `CellIdentity` instance. This value cannot be `null`.

getCellSignalStrength

public abstract CellSignalStrength getCellSignalStrength ()

Returns
`CellSignalStrength`	a `CellSignalStrength` instance. This value cannot be `null`.

getTimeStamp

public long getTimeStamp ()

This method is deprecated.
Use getTimestampMillis() instead.

Approximate time this cell information was received from the modem.

Returns
`long`	a time stamp in nanos since boot.

getTimestampMillis

public long getTimestampMillis ()

Approximate time this cell information was received from the modem.
Value is a non-negative timestamp in the SystemClock#elapsedRealtime() time base.

Returns
`long`	a time stamp in millis since boot. Value is a non-negative timestamp in the `SystemClock#elapsedRealtime()` time base.

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.

isRegistered

public boolean isRegistered ()

True if the phone is registered to a mobile network that provides service on this cell and this cell is being used or would be used for network signaling.

Returns
`boolean`

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 abstract void writeToParcel (Parcel dest, 
                int flags)

Implement the Parcelable interface

Parameters
`dest`	`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

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CellInfo

Summary

Constants

Inherited constants

Fields

Public methods

Inherited methods

Constants

CONNECTION_NONE

CONNECTION_PRIMARY_SERVING

CONNECTION_SECONDARY_SERVING

CONNECTION_UNKNOWN

UNAVAILABLE

UNAVAILABLE_LONG

Fields

CREATOR

Public methods

describeContents

equals

getCellConnectionStatus

getCellIdentity

getCellSignalStrength

getTimeStamp

getTimestampMillis

hashCode

isRegistered

toString

writeToParcel