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Google Android Watch/GMS certification

Google has this rule, Android Watch device refers to the Android device implementation worn on the body (possibly on the wrist). Android device implementations will be classified as Watch if they meet all the following conditions: they have a screen with a physical diagonal length in the range of 1.1 to 2.5 inches, and provide an on-the-spot device that can be worn on the body.

Enterprise Compliance

Android Watch Google GMS Certification Requirements Detailed Explanation

1. What is Android Watch?




Google has this rule, Android Watch device refers to the Android device implementation worn on the body (possibly on the wrist).

Android device implementations will be classified as Watch if they meet all the following conditions: they have a screen with a physical diagonal length in the range of 1.1 to 2.5 inches, and provide an on-the-spot device that can be worn on the body.
 
2.Android Watch hardware requirements, Android Watch hardware functional requirements
 
2.1. There must be a screen with physical diagonal dimensions in the range of 1.1 to 2.5 inches.
 
2.2. It must have the Home function and Back function available to users.
 
2.3. Touch screen input must be supported.
 
2.4. It is strongly recommended to include a 3-axis accelerometer.
 
2.5. If the Watch device realizes the function of including a GPS/GNSS receiver and reporting to the application through the android.hardware.location.gps function mark.
 
2.6. If the Watch device implementation includes 3-axis gyroscopes, then they: must be able to measure the direction change up to 1000 degrees per second.

3.Android Watch Software Requirements Android Watch Equipment Google GMS Software Requirements

3.1.The feature Android must be declared. Hardware. Type. Watch (Android watch hardware type).
 
3.2.For all public intent filter modes defined by an application intent such as calendar, settings, desk clocks, one or more application or service components must be preloaded using an intent handler.
 
3.3.Declare the Android hardware audio output function flag.
 
3.4.Third-party barrier-free services must be supported
 
3.5.If Android Watch devices implement the reporting function, they:  It is strongly recommended to include a TTS engine that supports the languages available on the device.Installation of third-party TTS engine must be supported.

4. Performance and power


If Android Watch devices implement features that include improved power management for devices included in the AOSP or extended capabilities included in the AOSP, they:
 
4.1.It is strongly recommended to provide users with all applications that are free from application standby and snooze power saving modes.
 
4.2.It is strongly recommended to provide users with the function of enabling and disabling the power saving function.
 
4.3.A power profile must be provided for each component that defines the current consumption value for each hardware component and the approximate battery consumption of the component over time.
 
4.4.All power consumption values must be reported in milliampere hours (mAh).
 
4.5.The usage of this power supply must be provided to the application developer through the ADB shell dumpsys battery stats shell command.

5. Safety
 
If the Android Watch device implementation contains multiple users and the android.hardware.telephony function flag is not declared, they:
 
5.1.The restricted profile must be supported, which allows the device owner to manage other users on the device and their functions. With restricted profiles, device owners can quickly set up separate environments for other users to work in, and can manage finer-grained restrictions in the applications available in these environments.
 
5.2.If the Android Watch device implementation contains multiple users and declares the android.hardware.telephony function flag, they: 

Restricted profiles must not be supported, but they must be consistent with AOSP implementation controls to enable/disable other users‘ access to voice calls and SMS.

The above is an introduction to GMS certification for watches. 

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