Page Summary
-
You can add nutrition data to Google Fit by creating a data source and using the
com.google.nutritiondata type. -
Each data point represents the value of all nutrients consumed in a meal or snack.
-
You can create a data source using either the Android or REST API.
-
After creating a data source, you can add nutrition data using either the Android or REST API by providing details such as nutrients, meal type, and food item.
You can add nutrition data to Google Fit by creating a data source
and using
the com.google.nutrition
data type. Each data point represents the value
of all nutrients consumed in a meal or snack. This example shows you how to add
nutrition data for someone who's eaten a banana.
Creating a data source
Android
Use DataSource.Builder
to create a new data source. For example, nutritionSource
.
val
nutritionSource
=
DataSource
.
Builder
()
.
setDataType
(
DataType
.
TYPE_NUTRITION
)
// ...
.
build
()
REST
Call the REST API to create a new data source. For example, NutritionSource
.
HTTP method
POST
Request URL
https://www.googleapis.com/fitness/v1/users/me/dataSources
Request body
{
"dataStreamName": "NutritionSource",
"type": "raw",
"application": {
"detailsUrl": "http://example.com",
"name": "My Example App",
"version": "1"
},
"dataType": {
"name": "com.google.nutrition",
}
}
Response
If your data source was created successfully, you'll get a 200 OK
HTTP
response status code. The response body contains a JSON representation of
the data source, including a datasource.dataStreamId
property. Use this ID
as the dataSourceId
to add data.
CURL command
$ curl --header "Authorization: Bearer ya29.yourtokenvalue --request POST \ --header "Content-Type: application/json;encoding=utf-8" --data @nutrition-ds.json \ https://www.googleapis.com/fitness/v1/users/me/dataSources
Adding nutrition data
Android
This example shows you how to create a new data point, and add nutrition
data for a banana, using the nutritionSource
data source.
val
nutrients
=
mapOf
(
Field
.
NUTRIENT_TOTAL_FAT
to
0.4f
,
Field
.
NUTRIENT_SODIUM
to
1f
,
Field
.
NUTRIENT_SATURATED_FAT
to
0.1f
,
Field
.
NUTRIENT_PROTEIN
to
1.3f
,
Field
.
NUTRIENT_TOTAL_CARBS
to
27.0f
,
Field
.
NUTRIENT_CHOLESTEROL
to
0.0f
,
Field
.
NUTRIENT_CALORIES
to
105.0f
,
Field
.
NUTRIENT_SUGAR
to
14.0f
,
Field
.
NUTRIENT_DIETARY_FIBER
to
3.1f
,
Field
.
NUTRIENT_POTASSIUM
to
422f
)
val
banana
=
DataPoint
.
builder
(
nutritionSource
)
.
setTimestamp
(
timestamp
,
TimeUnit
.
MILLISECONDS
)
.
setField
(
Field
.
FIELD_FOOD_ITEM
,
"banana"
)
.
setField
(
Field
.
FIELD_MEAL_TYPE
,
Field
.
MEAL_TYPE_SNACK
)
.
setField
(
Field
.
FIELD_NUTRIENTS
,
nutrients
)
.
build
()
REST
This example shows you how to add a set of nutrition data using the NutritionSource
data source. The values for the nutrition data type are
nutrients (a map), meal type (4 = 'snack'), and the actual food item
(a string).
HTTP method
PATCH
Request URL
https://www.googleapis.com/fitness/v1/users/me/dataSources/ datasource.dataStreamId /datasets/1574159699023000000-1574159699023999000
Request body
{ "minStartTimeNs": 1574159699023000000, "maxEndTimeNs": 1574159699023999000, "dataSourceId": " datasource.dataStreamId ", "point": [ { "startTimeNanos": 1574159699023000000, "endTimeNanos": 1574159699023999000, "dataTypeName": "com.google.nutrition", "value": [ { "mapVal": [ { "key": "fat.total", "value": { "fpVal": 0.4 } }, { "key": "sodium", "value": { "fpVal": 1.0 } }, { "key": "fat.saturated", "value": { "fpVal": 0.1 } }, { "key": "protein", "value": { "fpVal": 1.3 } }, { "key": "carbs.total", "value": { "fpVal": 27.0 } }, { "key": "cholesterol", "value": { "fpVal": 0.0 } }, { "key": "calories", "value": { "fpVal": 105.0 } }, { "key": "sugar", "value": { "fpVal": 14.0 } }, { "key": "dietary_fiber", "value": { "fpVal": 3.1 } }, { "key": "potassium", "value": { "fpVal": 422.0 } } ] }, { "intVal": 4 }, { "strVal": "banana" } ] } ] }
Response
If your data point was created successfully, you'll get a 200 OK
HTTP
response status code. The response body contains a JSON representation of
the data set.
CURL command
$ curl --header "Authorization: Bearer ya29.yourtokenvalue --request PATCH \ --header "Content-Type: application/json;encoding=utf-8" --data @nutrition-data.json \ https://www.googleapis.com/fitness/v1/users/me/dataSources/ datasource.dataStreamId /datasets/1574159699023000000-1574159699023999000
