# SignalStrength Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) # SignalStrength *** ** * ** *** Kotlin\|[Java](https://developer.android.com/reference/android/telephony/SignalStrength "View this page in Java") ``` open class SignalStrength : Parcelable ``` |---|----------------------------------------------------------------------------------------------------------------------| | [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) || | ↳ | [android.telephony.SignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#) | Contains phone signal strength related information. ## Summary | Constants || |----------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------| | static[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [INVALID](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#INVALID:kotlin.Int) Indicates the invalid measures of signal strength. | | Inherited constants || |---|---| | From class[Parcelable](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#) |----------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [CONTENTS_FILE_DESCRIPTOR](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#CONTENTS_FILE_DESCRIPTOR:kotlin.Int)
Descriptor bit used with[describeContents()](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#describeContents()): indicates that the Parcelable object's flattened representation includes a file descriptor.
| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#PARCELABLE_WRITE_RETURN_VALUE:kotlin.Int)
Flag for use with[writeToParcel](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#writeToParcel(android.os.Parcel,%20kotlin.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)`". Some implementations may want to release resources at this point.
| || | Public constructors || |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---| | [SignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#SignalStrength(android.telephony.SignalStrength))`(`s:` `[SignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#)`)` This constructor is used to create a copy of an existing SignalStrength object. | | Public methods || |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [describeContents](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#describeContents())`()` [Parcelable.describeContents](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#describeContents()) | | open[Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | [equals](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#equals(kotlin.Any))`(`other:` `[Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)?`)`
| | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getCdmaDbm](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCdmaDbm())`()` Get the CDMA RSSI value in dBm | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getCdmaEcio](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCdmaEcio())`()` Get the CDMA Ec/Io value in dB\*10 | | open[MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)\<[CellSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrength)!\> | [getCellSignalStrengths](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths())`()` Returns a List of CellSignalStrength Components of this SignalStrength Report. | | open[MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)\ | [getCellSignalStrengths](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths(java.lang.Class))`(`clazz:` `[Class](https://developer.android.com/reference/kotlin/java/lang/Class.html#)`)` Returns a List of CellSignalStrength Components of this SignalStrength Report. | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getEvdoDbm](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getEvdoDbm())`()` Get the EVDO RSSI value in dBm | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getEvdoEcio](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getEvdoEcio())`()` Get the EVDO Ec/Io value in dB\*10 | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getEvdoSnr](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getEvdoSnr())`()` Get the signal to noise ratio. | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getGsmBitErrorRate](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getGsmBitErrorRate())`()` Get the GSM bit error rate (0-7, 99) as defined in TS 27. | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getGsmSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getGsmSignalStrength())`()` Get the GSM RSSI in ASU. | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [getLevel](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getLevel())`()` Retrieve an abstract level value for the overall signal strength. | | open[Long](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long/index.html) | [getTimestampMillis](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getTimestampMillis())`()`
Value is a non-negative timestamp in the[android.os.SystemClock#elapsedRealtime()](https://developer.android.com/reference/kotlin/android/os/SystemClock.html#elapsedRealtime())time base. | | open[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [hashCode](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#hashCode())`()`
| | open[Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | [isGsm](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#isGsm())`()`
| | open[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) | [toString](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#toString())`()`
| | open[Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [writeToParcel](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#writeToParcel(android.os.Parcel,%20kotlin.Int))`(`out:` `[Parcel](https://developer.android.com/reference/kotlin/android/os/Parcel.html#)`, `flags:` `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)`)` [Parcelable.writeToParcel](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#writeToParcel(android.os.Parcel,%20kotlin.Int)) | | Properties || |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | static[Parcelable.Creator](https://developer.android.com/reference/kotlin/android/os/Parcelable.Creator.html#)\<[SignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#)!\> | [CREATOR](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#CREATOR:android.os.Parcelable.Creator) [Parcelable.Creator](https://developer.android.com/reference/kotlin/android/os/Parcelable.Creator.html#) | ## Constants ### INVALID Added in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` static val INVALID: Int ``` Indicates the invalid measures of signal strength. For example, this can be returned by[getEvdoDbm()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getEvdoDbm())or[getCdmaDbm()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCdmaDbm()) Value: 2147483647 ## Public constructors ### SignalStrength Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` SignalStrength(s: SignalStrength) ``` This constructor is used to create a copy of an existing SignalStrength object. | Parameters || |-----|------------------------------------------------------------------------------------------------------------------------------------------------------| | `s` | [SignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#):Source SignalStrength This value cannot be`null`. | ## Public methods ### describeContents Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun describeContents(): Int ``` [Parcelable.describeContents](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#describeContents()) | Return || |----------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either`0`or[android.os.Parcelable#CONTENTS_FILE_DESCRIPTOR](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#CONTENTS_FILE_DESCRIPTOR:kotlin.Int) | ### equals Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun equals(other: Any?): Boolean ``` | Parameters || |-------|---------------------------------------------| | `obj` | the reference object with which to compare. | | Return || |------------------------------------------------------------------------------------|-------------------------------------------| | [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | true if the signal strengths are the same | ### getCdmaDbm Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getCdmaDbm(): Int ``` **Deprecated:** *this information should be retrieved from[CellSignalStrengthCdma.getCdmaDbm](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma#getCdmaDbm()).* Get the CDMA RSSI value in dBm | Return || |----------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | the CDMA RSSI value or[INVALID](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#INVALID:kotlin.Int)if invalid | **See Also** - [android.telephony.CellSignalStrengthCdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma) - [android.telephony.SignalStrength#getCellSignalStrengths()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths()) ### getCdmaEcio Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getCdmaEcio(): Int ``` **Deprecated:** *this information should be retrieved from[CellSignalStrengthCdma.getCdmaEcio](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma#getCdmaEcio()).* Get the CDMA Ec/Io value in dB\*10 **See Also** - [android.telephony.CellSignalStrengthCdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma) - [android.telephony.SignalStrength#getCellSignalStrengths()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths()) ### getCellSignalStrengths Added in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getCellSignalStrengths(): MutableList ``` Returns a List of CellSignalStrength Components of this SignalStrength Report. Use this API to access underlying[CellSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrength)objects that provide more granular information about the SignalStrength report. Only valid (non-empty) CellSignalStrengths will be returned. The order of any returned elements is not guaranteed, and the list may contain more than one instance of a CellSignalStrength type. | Return || |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------| | [MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)<[CellSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrength)!> | a List of CellSignalStrength or an empty List if there are no valid measurements. This value cannot be`null`. | **See Also** - [android.telephony.CellSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrength) - [android.telephony.CellSignalStrengthNr](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthNr) - [android.telephony.CellSignalStrengthLte](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthLte) - [android.telephony.CellSignalStrengthTdscdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthTdscdma) - [android.telephony.CellSignalStrengthWcdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthWcdma) - [android.telephony.CellSignalStrengthCdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma) - [android.telephony.CellSignalStrengthGsm](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthGsm) ### getCellSignalStrengths Added in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getCellSignalStrengths(clazz: Class): MutableList ``` Returns a List of CellSignalStrength Components of this SignalStrength Report. Use this API to access underlying[CellSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrength)objects that provide more granular information about the SignalStrength report. Only valid (non-empty) CellSignalStrengths will be returned. The order of any returned elements is not guaranteed, and the list may contain more than one instance of a CellSignalStrength type. | Parameters || |---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `clazz` | [Class](https://developer.android.com/reference/kotlin/java/lang/Class.html#)\:a class type that extends[CellSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrength)to filter possible return values. This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------| | [MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html) | a List of CellSignalStrength or an empty List if there are no valid measurements. This value cannot be`null`. | **See Also** - [android.telephony.CellSignalStrength](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrength) - [android.telephony.CellSignalStrengthNr](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthNr) - [android.telephony.CellSignalStrengthLte](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthLte) - [android.telephony.CellSignalStrengthTdscdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthTdscdma) - [android.telephony.CellSignalStrengthWcdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthWcdma) - [android.telephony.CellSignalStrengthCdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma) - [android.telephony.CellSignalStrengthGsm](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthGsm) ### getEvdoDbm Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getEvdoDbm(): Int ``` **Deprecated:** *this information should be retrieved from[CellSignalStrengthCdma.getEvdoDbm](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma#getEvdoDbm()).* Get the EVDO RSSI value in dBm | Return || |----------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | the EVDO RSSI value or[INVALID](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#INVALID:kotlin.Int)if invalid | **See Also** - [android.telephony.CellSignalStrengthCdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma) - [android.telephony.SignalStrength#getCellSignalStrengths()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths()) ### getEvdoEcio Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getEvdoEcio(): Int ``` **Deprecated:** *this information should be retrieved from[CellSignalStrengthCdma.getEvdoEcio](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma#getEvdoEcio()).* Get the EVDO Ec/Io value in dB\*10 **See Also** - [android.telephony.CellSignalStrengthCdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma) - [android.telephony.SignalStrength#getCellSignalStrengths()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths()) ### getEvdoSnr Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getEvdoSnr(): Int ``` **Deprecated:** *this information should be retrieved from[CellSignalStrengthCdma.getEvdoSnr](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma#getEvdoSnr()).* Get the signal to noise ratio. Valid values are 0-8. 8 is the highest. **See Also** - [android.telephony.CellSignalStrengthCdma](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthCdma) - [android.telephony.SignalStrength#getCellSignalStrengths()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths()) ### getGsmBitErrorRate Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getGsmBitErrorRate(): Int ``` **Deprecated:** *this information should be retrieved from[CellSignalStrengthGsm.getBitErrorRate](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthGsm#getBitErrorRate()).* Get the GSM bit error rate (0-7, 99) as defined in TS 27.007 8.5 **See Also** - [android.telephony.CellSignalStrengthGsm](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthGsm) - [android.telephony.SignalStrength#getCellSignalStrengths()](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#getCellSignalStrengths()) ### getGsmSignalStrength Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getGsmSignalStrength(): Int ``` **Deprecated:** *this information should be retrieved from[CellSignalStrengthGsm.getAsuLevel](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthGsm#getAsuLevel()).* Get the GSM RSSI in ASU. Asu is calculated based on 3GPP RSRP. Refer to 3GPP 27.007 (Ver 10.3.0) Sec 8.69 | Return || |----------------------------------------------------------------------------|---------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | RSSI in ASU 0..31, 99, or UNAVAILABLE | **See Also** - [android.telephony.CellSignalStrengthGsm](https://developer.android.com/reference/kotlin/android/telephony/CellSignalStrengthGsm) ### getLevel Added in[API level 23](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getLevel(): Int ``` Retrieve an abstract level value for the overall signal strength. | Return || |----------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | a single integer from 0 to 4 representing the general signal quality. This may take into account many different radio technology inputs. 0 represents very poor signal strength while 4 represents a very strong signal strength. | ### getTimestampMillis Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun getTimestampMillis(): Long ```
Value is a non-negative timestamp in the[android.os.SystemClock#elapsedRealtime()](https://developer.android.com/reference/kotlin/android/os/SystemClock.html#elapsedRealtime())time base. | Return || |------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Long](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long/index.html) | timestamp in milliseconds since boot for[SignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#). This timestamp reports the approximate time that the signal was measured and reported by the modem. It can be used to compare the recency of[SignalStrength](https://developer.android.com/reference/kotlin/android/telephony/SignalStrength#)instances. Value is a non-negative timestamp in the[android.os.SystemClock#elapsedRealtime()](https://developer.android.com/reference/kotlin/android/os/SystemClock.html#elapsedRealtime())time base. | ### hashCode Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun hashCode(): Int ``` | Return || |----------------------------------------------------------------------------|-----------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | hash code | ### isGsm Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) Deprecated in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun isGsm(): Boolean ``` **Deprecated:** *This method returns true if there are any 3gpp type SignalStrength elements in this SignalStrength report or if the report contains no valid SignalStrength information. Instead callers should use android.telephony.SignalStrength#getCellSignalStrengths to determine which types of information are contained in the SignalStrength report.* | Return || |------------------------------------------------------------------------------------|-------------------------| | [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | true if this is for GSM | ### toString Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun toString(): String ``` | Return || |----------------------------------------------------------------------------------|------------------------| | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) | string representation. | ### writeToParcel Added in[API level 7](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` open fun writeToParcel(     out: Parcel,     flags: Int ): Unit ``` [Parcelable.writeToParcel](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#writeToParcel(android.os.Parcel,%20kotlin.Int)) | Parameters || |---------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `dest` | The Parcel in which the object should be written. This value cannot be`null`. | | `flags` | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html):Additional flags about how the object should be written. May be 0 or[PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#PARCELABLE_WRITE_RETURN_VALUE:kotlin.Int). Value is either`0`or a combination of[android.os.Parcelable#PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#PARCELABLE_WRITE_RETURN_VALUE:kotlin.Int), and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES | ## Properties ### CREATOR Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` static val CREATOR: Parcelable.Creator ``` [Parcelable.Creator](https://developer.android.com/reference/kotlin/android/os/Parcelable.Creator.html#)