At I/O 2022, Google detailed a manner for Android apps to build cross-device experiences, just like Close by Share, and the SDK’s developer preview is now accessible.

The Cross device SDK “permits builders to build wealthy multidevice experiences with a easy and intuitive set of APIs.” Specifically, Google takes care of device discovery, authentication, and connection protocols (Bluetooth, Wi-Fi, and UWB), in order that app devs can simply give attention to “pleasant person experiences and connecting these experiences throughout a wide range of type components and platforms.” There are three core functionalities supplied by the SDK:

  1. Device discovery: Simply discover close by gadgets, authorize peer-to-peer communication, and begin the goal software on receiving gadgets.
  2. Safe connections: Allow encrypted, low-latency bidirectional information sharing between licensed gadgets.
  3. Multi-device Periods: Allow transferring or extending an software’s person expertise throughout a number of gadgets.

This interprets into purposes providing options like:

  • Discovering and authorizing communication with close by gadgets.
  • Sharing an app’s present state with the identical app on one other device.
  • Beginning the app on a secondary device with out having to maintain the app operating in background.
  • Establishing safe connections for gadgets to speak with one another.
  • Enabling process handoff the place the person begins a process on one device and might simply proceed on one other device.

Within the long-term, Google’s Cross device SDK will work on apps for Android telephones, tablets, TV, Auto, Put on OS, ChromeOS, iOS, and Home windows, with the corporate open to different platforms as properly. It’s additionally backward suitable with Android 8.

The developer preview is beginning with Android telephones and tablets at this time.

Head over to our developer information to get began and check out the Developer Preview of the Cross device SDK for Android. Make sure that to take a look at our Rock Paper Scissor pattern app (Kotlin and Java) on GitHub for an illustration on how one can work with the varied APIs and our Google I/O ‘22 Multi-device growth session for a common overview of the SDK.

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