[1] DataType | Google APIs for Android | Google Developers ( 版) <https://developers.google.com/android/reference/com/google/android/gms/fitness/data/DataType#MIME_TYPE_PREFIX>
The common prefix for data type MIME types, for use in intents. The MIME type for a particular data type will be this prefix followed by the data type name. Examples:
vnd.google.fitness.data_type/com.google.heart_rate.bpm
vnd.google.fitness.data_type/com.google.activity.segment
vnd.google.fitness.data_type/com.example.my_type
[2] Data Attribution | Google Fit | Google Developers ( 版) <https://developers.google.com/fit/android/data-attribution>
<data android:mimeType="vnd.google.fitness.data_type/com.google.step_count.cumulative" />
<data android:mimeType="vnd.google.fitness.data_type/com.google.step_count.delta" />