The value of a data source, which updates a real-time value that appears on the watch face.
Introduced in Wear OS 4.
| Source | Description | Category | Availability |
|---|---|---|---|
UTC_TIMESTAMP |
The number of milliseconds that have elapsed since midnight UTC on January 1, 1970. | Integer | Version 1 |
MILLISECOND |
An integer value that represents the millisecond field of a
ZonedDateTime
object for the current time. This value is always between
0 and 999, inclusive.
|
Integer | Version 1 |
SECOND |
An integer value that represents the second field of a
ZonedDateTime
object for the current time. This value is always between 0 and 59,
inclusive.
|
Integer | Version 1 |
SECOND_Z |
A string that represents the second field of a
ZonedDateTime
object forthe current time, with leading zeros to make the value 2 characters long. This
value is always between 00 and 59, inclusive.
|
String | Version 1 |
SECOND_TENS_DIGIT |
The tens digit of the current seconds, for example, 4 for 12:03:47.
|
Integer | Version 2 |
SECOND_UNITS_DIGIT |
The units digit of the current seconds, for example, 7 for 12:03:47.
|
Integer | Version 2 |
SECOND_MILLISECOND |
A floating-point value that combines the second and millisecond fields of a
ZonedDateTime
object that represents the current time.
This value is always between 0.0 and 59.999, inclusive.
|
Float | Version 1 |
SECONDS_IN_DAY |
The number of seconds that have elapsed during the current day, based on the
values for HOUR_0_23, MINUTE, and SECOND. This value is always between 0
and 86399 ($ 24 * 60 * 60 - 1 $), inclusive.
|
Integer | Version 1 |
MINUTE |
An integer value that represents the minute field of a
ZonedDateTime
object for the current time. This value is always between 0 and 59,
inclusive.
|
Integer | Version 1 |
MINUTE_Z |
A string value that represents the minute field of a
ZonedDateTime object
for the current time, with leading zeros to make the value 2 characters long. This
value is always between 00 and 59, inclusive.
|
String | Version 1 |
MINUTE_TENS_DIGIT |
The tens digit of the current minute, for example, 0 in 12:03.
|
Integer | Version 2 |
MINUTE_UNITS_DIGIT |
The unit digit of the current minute, for example, 3 in 12:03.
|
Integer | Version 2 |
MINUTE_SECOND |
A floating-point value that combines the minute and second fields of a
ZonedDateTime
object that represents the current time. This value is
always between 0.0 and $ 59 \frac{59}{60} $, inclusive.
|
Float | Version 1 |
HOUR_0_11 |
The 12-hour component of the current time, represented as a value between 0
and 11 inclusive. If the current
CLOCK_HOUR_OF_AMPM is
12, such as in 12:34 PM, this value is converted to 0.
|
Integer | Version 1 |
HOUR_0_11_Z |
A string that represents the 12-hour component of the current time -- from 00
to 11 inclusive -- using the Wear OS device's current time zone. If this value
is less than 10, it includes a leading zero.
|
String | Version 1 |
HOUR_0_11_MINUTE |
A floating-point value the combines a modified CLOCK_HOUR_OF_AMPM field and
minute field of a ZonedDateTime
object that represents the current time.
This value is always between 0.0 and $ 11 \frac{59}{60} $, inclusive.
|
Float | Version 1 |
HOUR_1_12 |
The 12-hour component of the current time, represented as a value between 1
and 12 inclusive. If the current HOUR_OF_DAY is 0,
such as in 0:12 (12:12 AM), this value is converted to 12.
|
Integer | Version 1 |
HOUR_1_12_Z |
A string that represents the 12-hour component of the current time -- from 01
to 12 inclusive -- using the Wear OS device's current time zone. If this value
is less than 10, it includes a leading zero.
|
string | Version 1 |
HOUR_1_12_MINUTE |
A floating-point value the combines the CLOCK_HOUR_OF_AMPM and minute fields
of a ZonedDateTime
object that represents the current time. This value is always between 1.0 and $ 12 \frac{59}{60} $, inclusive.
|
Float | Version 1 |
HOUR_0_23 |
The 24-hour component of the current time, represented as a value between 0
and 23 inclusive. If the value is 24, such as in 24:13 (12:13 AM the next
day), this value is converted to 0.
|
Integer | Version 1 |
HOUR_0_23_Z |
A string that represents the 24-hour component of the current time -- from 00
to 23 inclusive -- using the Wear OS device's current time zone. If this value
is less than 10, it includes a leading zero.
|
Integer | Version 1 |
HOUR_0_23_MINUTE |
A floating-point value the combines the hour and minute fields of a
ZonedDateTime
object that represents the current time. This value is
always between 0.0 and $ 23 \frac{59}{60} $, inclusive.
|
Float | Version 1 |
HOUR_1_24 |
The 24-hour component of the current time, represented as a value between 1
and 24 inclusive. If the value is 0, such as in 0:12 (12:12 AM), this
value is converted to 24.
|
Integer | Version 1 |
HOUR_1_24_Z |
A string that represents the 12-hour component of the current time -- from 01
to 24 inclusive -- using the Wear OS device's current time zone. If this value
is less than 10, it includes a leading zero.
|
String | Version 1 |
HOUR_1_24_MINUTE |
A floating-point value the combines a modified hour field and minute field of
a ZonedDateTime
object that represents the current time. This value is
always between 1.0 and $ 24 \frac{59}{60} $, inclusive.
|
Float | Version 1 |
HOUR_TENS_DIGIT |
The tens digit of the current hour, for example, 1 in 12:03.
|
Integer | Version 2 |
HOUR_UNITS_DIGIT |
The units digit of the current hour, for example, 2 in 12:03.
|
Integer | Version 2 |
DAY |
An integer value that represents the day field of a
ZonedDateTime
object for the current date. This value is always between 1 and 31,
inclusive.
|
Integer | Version 1 |
DAY_Z |
A string value that represents the day field of a ZonedDateTime
object
for the current date, with leading zeros to make the value 2 characters long. This
value is always between 01 and 31, inclusive.
|
String | Version 1 |
DAY_HOUR |
A floating-point value that combines the day-of-month and hour fields of a
ZonedDateTime
object that represents the current date and time. This
value is always between 1.0 and $ 31 \frac{23}{24} $, inclusive.
|
Float | Version 1 |
DAY_0_30 |
A modified version of the
getDayOfMonth() value of a
ZonedDateTime
object that represents the current date, subtracted by 1.
This value is always between 0 and 30, inclusive.
|
Integer | Version 1 |
DAY_0_30_HOUR |
A floating-point value that combines a modified day-of-month field and hour
field of a ZonedDateTime
object that represents the current date and
time. This value is always between 0.0 and $ 30 \frac{23}{24} $, inclusive.
|
Float | Version 1 |
DAY_OF_YEAR |
The number of days that have started since the calendar year changed. This
value is always between 1 and 366 inclusive, and has a maximum value of
365 during non-leap years.
|
Integer | Version 1 |
DAY_OF_WEEK |
A modified version of the getDayOfWeek() value from a ZonedDateTime
object that represents the current date. The Watch Face Format assigns a value
of 1 to represent Sunday and a value of 7 to represent Saturday.
|
Integer | Version 1 |
DAY_OF_WEEK_F |
The current day of the week, represented as a full-length string. Examples
include Sunday and Monday.
|
String | Version 1 |
DAY_OF_WEEK_S |
The current day of the week, represented as a shortened string. Examples
include Sun and Mon.
|
String | Version 1 |
FIRST_DAY_OF_WEEK |
Provides what the first day of the week is, based on
getFirstDayOfWeek(), where 1 is Sunday
and 7 is Saturday. For example, Sunday in US, Monday in France.
|
Integer | Version 2 |
MONTH |
An integer value that represents the month field of a ZonedDateTime
object for the current date. This value is always between 1 and 12,
inclusive.
|
Integer | Version 1 |
MONTH_Z |
A string value that represents the month field of a ZonedDateTime
object for the current date, with leading zeros to make the value 2 characters long. This
value is always between 01 and 12, inclusive.
|
String | Version 1 |
MONTH_F |
The current month of the year, represented as a full-length string. Examples
include January and December.
|
String | Version 1 |
MONTH_S |
The current month of the year, represented as a shortened string. Examples
include Jan and Dec.
|
String | Version 1 |
DAYS_IN_MONTH |
The number of days in the current month. This value is either 28 or 29
during February, 30 during April, June, September, and November, and 31
during all other months of the Gregorian calendar.
|
Integer | Version 1 |
MONTH_DAY |
A floating-point value that combines the month-of-year field and modified
day-of-month field of a ZonedDateTime
object that represents the current
date. This value is always between 1.0 and $ 12 \frac{29}{30} $, inclusive.
|
Float | Version 1 |
MONTH_0_11 |
A modified version of the getMonthValue() value from a ZonedDateTime
object that represents the current date. This value assigns a value of 0 to
January and a value of 11 to December.
|
Integer | Version 1 |
MONTH_0_11_DAY |
A floating-point value that combines a modified month-of-year field and
modified day-of-month field of a ZonedDateTime
object that represents the
current date. This value is always between 0.0 and $ 11 \frac{29}{30} $,
inclusive.
|
Float | Version 1 |
YEAR |
An integer value that represents the year field of a ZonedDateTime
object for the current date. This value is clamped to always be between 1902
and 2100, inclusive.
|
Integer | Version 1 |
YEAR_S |
A 2-digit integer that represents the last 2 digits of the current year. For
example, the value for 2023 is 23.
|
Integer | Version 1 |
YEAR_MONTH |
A floating-point value that combines the year field and modified day-of-month
field of a ZonedDateTime
object that represents the current date.
January 2023 is represented as 2023.0, and December 2023 is represented as
$ 2023 \frac {11}{12} $.
|
Float | Version 1 |
YEAR_MONTH_DAY |
A floating-point value that combines the year field, a modified month-of-year
field, and a modified day-of-month field of a ZonedDateTime
object that represents the current date. January 1, 2023 is represented as 2023.0,
and December 31, 2023 is represented as $ 2023 \frac{11 \frac{29}{30} }{12} \approx 2023.9972 $.
|
Float | Version 1 |
WEEK_IN_MONTH |
An integer that represents the value of the
ALIGNED_WEEK_OF_MONTH
of a ChronoField object that represents the current date. This value is always between 0 and 5,
inclusive.
|
Integer | Version 1 |
WEEK_IN_YEAR |
An integer that represents the value of the
ALIGNED_WEEK_OF_YEAR of a ChronoField object that
represents the current date. This value is always between 1 and 53,
inclusive.
|
Integer | Version 1 |
IS_24_HOUR_MODE |
A boolean value that is equivalent to the current return value of
is24HourFormat() based on the user's chosen locale and preferences.
|
Boolean | Version 1 |
IS_DAYLIGHT_SAVING_TIME |
A boolean value that is equivalent to calling inDaylightTime() on the
TimeZone object for the current locale, and passing in a Date object that
contains the current time. Indicates whether the currently-set time zone is
now observing daylight saving time.
|
Boolean | Version 1 |
TIMEZONE |
A string that is equivalent to calling getDisplayName() on the
TimeZone object for the current locale. Returns the full time zone name, such
as "Eastern Standard Time" for New York City's time zone during the winter.
|
String | Version 1 |
TIMEZONE_ABB |
A string that is equivalent to calling an overloaded version of
getDisplayName() on the TimeZone object for the current locale, where
the given style is SHORT. Returns an abbreviated time zone name, such as "EST"
for New York City's time zone during the winter.
|
String | Version 1 |
TIMEZONE_ID |
A string that is equivalent to calling
getId() on the TimeZone
object for the current locale. Returns an IANA time zone ID
value, such as America/New_York for New York City's time
zone.
|
String | Version 1 |
TIMEZONE_OFFSET |
A string that is equivalent to calling getRawOffset() on the
TimeZone object for the current locale. This value is always between -12 and
+14, inclusive. Returns the value that should be added to UTC to get the
standard time for the current time zone (not corrected for daylight saving
time).
|
String | Version 1 |
TIMEZONE_OFFSET_DST |
A string that is equivalent to passing the current date into
getOffset() on the TimeZone object for the current locale. This value is always between -12 and +14, inclusive. Returns the value that should be added to UTC to get the current local time, with daylight saving time taken into
account if necessary.
|
String | Version 1 |
AMPM_STATE |
An integer that indicates whether the current time is before noon, or is noon
or later. Possible values include 0 for AM and 1 for PM.
|
Integer | Version 1 |
AMPM_POSITION |
An integer that indicates where the AM or PM indicator should appear within
a time string. Contains one of the following values:
|
Integer | Version 1 |
AMPM_STRING |
A 2-character string that indicates the AM or PM status of the current time. The value is either "AM" or "PM". | String | Version 1 |
MOON_PHASE_POSITION |
An integer value indicating the number of days that have started since the
most recent new moon. This value is always between 0 and 28, inclusive.
|
Integer | Version 1 |
MOON_PHASE_TYPE |
An integer that encodes the current moon phase. Possible values include the
following:
|
Integer | Version 1 |
MOON_PHASE_TYPE_STRING |
A string that represents the current moon phase. Possible values include the
following:
|
String | Version 1 |
LANGUAGE_LOCALE_NAME |
A string that represents the Wear OS device's current locale, expressed as a
2-character ISO 639-1 language code, an underscore, and a
2-character ISO 3166-1 region code. The United States variant of English is represented as en_US.
|
String | Version 1 |
STEP_COUNT |
The number of steps that the user has taken so far today, according to the Wear OS sensors. | Integer | Version 1 |
STEP_GOAL |
The number of steps that the user has selected as their daily step goal. This
value is never less than 1000.
|
Integer | Version 1 |
STEP_PERCENT |
An integer indicating the progress that the user has made toward their step
goal today, expressed as a rounded percentage. This value is always between 0
and 100, inclusive.
|
Integer | Version 1 |
HEART_RATE |
The user's current heart rate, according to the Wear OS sensors. This
value is always between To always represent the heart rate as an integer, use the
expression |
Float or String, depending on the device | Version 1 |
HEART_RATE_Z |
A string that represents the user's current heart rate, according to the Wear
OS sensors. This value is padded with zeros on the left as needed to make
the value at least 2 characters long. So if the user's heart rate is measured as
65, this value is 65. If the user's heart rate is measured as 0, this value is
00.
|
String | Version 1 |
ACCELEROMETER_IS_SUPPORTED |
Boolean value indicating whether the watch face can obtain accelerometer data
from the current Wear OS device's sensors.
00.
|
Boolean | Version 1 |
ACCELEROMETER_X |
A floating-point value that indicates the current linear acceleration along the x-axis, according to the Wear OS device's accelerometer. Positive values indicate that, when the watch face is pointing at the sky or ceiling, the Wear OS device is accelerating to the right. | Float | Version 1 |
ACCELEROMETER_Y |
A floating-point value that indicates the current linear acceleration along the y-axis, according to the Wear OS device's accelerometer. Positive values indicate that, when the watch face is pointing at the sky or ceiling, the Wear OS device is accelerating in the 12 o'clock (top) direction along the watch face. | Float | Version 1 |
ACCELEROMETER_Z |
A floating-point value that indicates the current linear acceleration along
the z-axis, according to the Wear OS device's accelerometer. Positive values
indicate that, when the watch face is pointing at the sky or ceiling, the Wear
OS device is accelerating toward the sky or ceiling.
Note: When the device is at rest, this value is approximately -9.8 to take
gravity into account.
|
Float | Version 1 |
ACCELEROMETER_Z |
A floating-point value that indicates the current linear acceleration along
the z-axis, according to the Wear OS device's accelerometer. Positive values
indicate that, when the watch face is pointing at the sky or ceiling, the Wear
OS device is accelerating toward the sky or ceiling.
Note: When the device is at rest, this value is approximately -9.8 to take
gravity into account.
|
Float | Version 1 |
ACCELEROMETER_ANGLE_X |
A floating-point value that indicates the current angular acceleration, in degrees, relative to the x-axis. This value is always in the range $ [-90.0, 90.0 $]. | Float | Version 1 |
ACCELEROMETER_ANGLE_Y |
A floating-point value that indicates the current angular acceleration, in degrees, relative to the y-axis. This value is always in the range $ [-90.0, 90.0 $]. | Float | Version 1 |
ACCELEROMETER_ANGLE_Z |
A floating-point value that indicates the current angular acceleration, in degrees, relative to the z-axis. This value is always in the range $ [-90.0, 90.0 $]. | Float | Version 1 |
ACCELEROMETER_ANGLE_XY |
A floating-point value that is the sum of ACCELEROMETER_ANGLE_X and
ACCELEROMETER_ANGLE_Y.
|
Float | Version 1 |
BATTERY_PERCENT |
An integer that indicates the Wear OS device's current battery charge,
expressed as a percentage. A value of 100 indicates that the battery is full;
a value of 0 indicates that the battery is critically low.
|
Integer | Version 1 |
BATTERY_CHARGING_STATUS |
A boolean that indicates whether the Wear OS device's battery is charging. If
the battery is done charging and full, this value is true.
|
Boolean | Version 1 |
BATTERY_IS_LOW |
A boolean that indicates whether the Wear OS device's battery is low. The
exact threshold for this is manufacturer dependent. If the battery is charging,
this value is false.
|
Boolean | Version 1 |
BATTERY_TEMPERATURE_CELSIUS |
A floating-point value that indicates the temperature of the Wear OS device's battery, in degrees Celsius. The battery's raw temperature value, in tenths of a degree Celsius, is divided by 10 to get this value. | Float | Version 1 |
BATTERY_TEMPERATURE_FAHRENHEIT |
A floating-point value that indicates the temperature of the Wear OS device's battery, in degrees Fahrenheit. This is a conversion from degrees Celsius. | Float | Version 1 |
UNREAD_NOTIFICATION_COUNT |
A string that represents the number of notifications delivered to this Wear OS device that the user hasn't yet read. | Integer | Version 1 |
WEATHER.IS_AVAILABLE |
A boolean that represents whether there is available weather data that can be rendered. | Boolean | Version 2 |
WEATHER.IS_ERROR |
A boolean that represents whether there was an error loading weather data.
|
Boolean | Version 2 |
WEATHER.CONDITION |
An enum value representing the current weather condition. Possible values are:
Note: If using the |
Integer | Version 2 |
WEATHER.CONDITION_NAME |
A human-readable representation of the weather data, translated into the user’s preferred language. | String | Version 2 |
WEATHER.IS_DAY |
Represents whether the current condition applies during daylight. Useful because the length of day changes over the year. | Boolean | Version 2 |
WEATHER.TEMPERATURE |
The current temperature, in the user’s preferred unit. | Integer | Version 2 |
WEATHER.TEMPERATURE_UNIT |
The temperature unit. Values can be:
|
Integer | Version 2 |
WEATHER.DAY_TEMPERATURE_LOW |
The lowest temperature for the day. | Integer | Version 2 |
WEATHER.DAY_TEMPERATURE_HIGH |
The highest temperature for the day. | Integer | Version 2 |
WEATHER.CHANCE_OF_PRECIPITATION |
The current chance of precipitation. This is a value in the
range 0 to 100.
|
Integer | Version 2 |
WEATHER.UV_INDEX |
The current UV index. | Integer | Version 2 |
WEATHER.LAST_UPDATED |
The timestamp of when the weather data was last updated. This is given as the milliseconds in unix epoch time. | Integer | Version 2 |
WEATHER.HOURS.{index}.IS_AVAILABLE |
Represents whether there is hourly weather data available for
the specified Watch face developers should check this value before accessing
any hour-based weather data for the given |
Boolean | Version 2 |
WEATHER.HOURS.{index}.CONDITION |
An enum value representing the forecast weather condition where
{index} represents the number of hours from the current
time. The enum values are the same as for WEATHER.CONDITION.
|
Integer | Version 2 |
WEATHER.HOURS.{index}.CONDITION_NAME |
A human-readable representation of the weather condition, translated into the user’s preferred language. | String | Version 2 |
WEATHER.HOURS.{index}.IS_DAY |
Represents whether the forecast hour condition applies during daylight. Useful because the length of day changes over the year. | Boolean | Version 2 |
WEATHER.HOURS.{index}.TEMPERATURE |
The temperature for the forecast hour, in the user’s preferred
unit, where {index} represents the number of hours from
the current time.
|
Integer | Version 2 |
WEATHER.HOURS.{index}.UV_INDEX |
The UV index for the forecast hour, in the user’s preferred
unit, where {index} represents the number of hours from
the current time.
|
Integer | Version 2 |
WEATHER.DAYS.{index}.IS_AVAILABLE |
Represents whether there is daily weather data available for
the specified Watch face developers should check this value before accessing
any day-based weather data for the given |
Boolean | Version 2 |
WEATHER.DAYS.{index}.CONDITION_DAY |
An enum value representing the day-time forecast weather
condition where {index} represents the number of days
from the current day. The enum values are the same as for
WEATHER.CONDITION.
|
Integer | Version 2 |
WEATHER.DAYS.{index}.CONDITION_DAY_NAME |
A human-readable representation of the weather condition, for the forecast day, translated into the user’s preferred language. | String | Version 2 |
WEATHER.DAYS.{index}.CONDITION_NIGHT |
An enum value representing the nighttime forecast weather
condition where {index} represents the number of days
from the current day. The enum values are the same as for
WEATHER.CONDITION.
|
Integer | Version 2 |
WEATHER.DAYS.{index}.CONDITION_NIGHT_NAME |
A human-readable representation of the weather condition, for the forecast night, translated into the user’s preferred language. | String | Version 2 |
WEATHER.DAYS.{index}.TEMPERATURE_LOW |
The lowest temperature forecast for the day, where {index}
represents the number of days from the current day.
|
Integer | Version 2 |
WEATHER.DAYS.{index}.TEMPERATURE_HIGH |
The highest temperature forecast for the day, where {index}
represents the number of days from the current day.
|
Integer | Version 2 |
WEATHER.DAYS.{index}.CHANCE_OF_PRECIPITATION |
The forecast chance of precipitation, where {index}
represents the number of days from the current day. This is a value in the
range 0 to 100.
|
Integer | Version 2 |
WEATHER.DAYS.{index}.CHANCE_OF_PRECIPITATION_NIGHT |
The forecast chance of precipitation at night, where {index}
represents the number of days from the current day. This is a value in the
range 0 to 100.
|
Integer | Version 2 |
WEATHER.DAYS.{index}.UV_INDEX |
The forecast UV index. | Integer | Version 2 |