Adds ChannelClient snippet

[garanj]

Adds snippets for ChannelClient.

[snippet-bot]

Here is the summary of changes.

You are about to add 3 region tags.

• wear/src/main/java/com/example/wear/snippets/datalayer/ChannelClientSnippets.kt:30, tag android_wear_datalayer_send_file
• wear/src/main/java/com/example/wear/snippets/datalayer/ChannelClientSnippets.kt:60, tag android_wear_datalayer_channelclient_register
• wear/src/main/java/com/example/wear/snippets/datalayer/ChannelClientSnippets.kt:69, tag android_wear_datalayer_channelclient_receivefile

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[gemini-code-assist]

Summary of Changes

Hello @garanj, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces new code snippets for the ChannelClient API within the Android Wear Data Layer. These examples illustrate the process of transferring files between Wear OS devices and connected phones, covering both sending and receiving operations. The goal is to provide clear, practical demonstrations for developers looking to implement reliable file transfers using channels.

Highlights

• New ChannelClient Snippets: Added a new Kotlin file containing example code for using ChannelClient in Android Wear's Data Layer.
• File Sending Example: Included a sendFileToNode suspend function demonstrating how to open a channel, send a file, and handle potential errors using ChannelClient.
• File Receiving Example: Provided a FileReceiver class that extends ChannelClient.ChannelCallback to show how to register for channel events and receive files over an opened channel.

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Changelog

• wear/src/main/java/com/example/wear/snippets/datalayer/ChannelClientSnippets.kt
  • Added a new file containing ChannelClient examples for sending and receiving files.

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[gemini-code-assist]

Code Review

The pull request introduces snippets for ChannelClient functionality, including sending and receiving files between Wear OS devices. The code generally follows good practices for asynchronous operations with coroutines. However, there are a few areas for improvement regarding error handling and constant definition.