Stay organized with collections
Save and categorize content based on your preferences.
Message Stream
Fast Pair supports an RFCOMM channel for Providers that wish to maintain a
persistent connection to a device during operation. When the Provider connects
to a supported Seeker, the Seeker will attempt to connect RFCOMM on the
following channel:
df21fe2c-2515-4fdb-8886-f12c4d67927c
Once connected, messages can be exchanged in the following format:
Octet |
Data Type |
Description |
Mandatory? |
0 |
uint8 |
Message group |
Mandatory |
1 |
uint8 |
Message code |
Mandatory |
2 - 3 |
uint16 |
Additional data length |
Mandatory |
4 - n |
|
Additional data |
Optional |
The additional data length and additional data fields should be big endian.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2022-04-08 UTC.
[{
"type": "thumb-down",
"id": "missingTheInformationINeed",
"label":"Missing the information I need"
},{
"type": "thumb-down",
"id": "tooComplicatedTooManySteps",
"label":"Too complicated / too many steps"
},{
"type": "thumb-down",
"id": "outOfDate",
"label":"Out of date"
},{
"type": "thumb-down",
"id": "samplesCodeIssue",
"label":"Samples / code issue"
},{
"type": "thumb-down",
"id": "otherDown",
"label":"Other"
}]
[{
"type": "thumb-up",
"id": "easyToUnderstand",
"label":"Easy to understand"
},{
"type": "thumb-up",
"id": "solvedMyProblem",
"label":"Solved my problem"
},{
"type": "thumb-up",
"id": "otherUp",
"label":"Other"
}]
{"lastModified": "Last updated 2022-04-08 UTC."}
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2022-04-08 UTC."]]