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Channels

Overview

Channels group notifications by type and control their behavior (sound, importance, actions). On Android, channels map directly to system notification channels. On iOS, Shiny manages channels internally.

Channel Properties

Property	Type	Default	Description
`Identifier`	`string`	required	Unique channel ID
`Description`	`string?`	`null`	Human-readable description
`Importance`	`ChannelImportance`	`Normal`	Priority level
`Sound`	`ChannelSound`	`Default`	Sound setting
`CustomSoundPath`	`string?`	`null`	Path for custom sounds
`Actions`	`List<ChannelAction>`	empty	Action buttons

Default Channel

Shiny provides a built-in default channel.

var defaultChannel = Channel.Default;
// Identifier: "Notifications", Importance: Low

Creating Channels

INotificationManager notifications; // injected

// Simple channel
notifications.AddChannel(new Channel
{
    Identifier = "orders",
    Description = "Order notifications",
    Importance = ChannelImportance.High,
    Sound = ChannelSound.Default
});

// Channel with action buttons
var channel = Channel.Create("messages",
    ChannelAction.Create("reply", "Reply", ChannelActionType.TextReply),
    ChannelAction.Create("dismiss", "Dismiss", ChannelActionType.Destructive)
);
notifications.AddChannel(channel);

ChannelImportance

Value	Description
`Low`	No sound, minimal visual
`Normal`	Default sound and visual
`High`	Sound, may peek on screen
`Critical`	Urgent, may override DND

ChannelSound

Value	Description
`None`	Silent
`Default`	System default sound
`High`	High-priority sound
`Custom`	Custom sound file (set `CustomSoundPath`)

Channel Actions

Action buttons appear on the notification, allowing quick interaction.

// Text reply action
ChannelAction.Create("reply", "Reply", ChannelActionType.TextReply);

// Destructive action (red on iOS)
ChannelAction.Create("delete", "Delete", ChannelActionType.Destructive);

// Opens the app
ChannelAction.Create("open", "View", ChannelActionType.OpenApp);

// Default (no special behavior)
ChannelAction.Create("ack", "OK", ChannelActionType.None);

Managing Channels

// Get a specific channel
var channel = notifications.GetChannel("orders");

// Get all channels
var channels = notifications.GetChannels();

// Remove a channel
notifications.RemoveChannel("orders");

// Clear all channels
notifications.ClearChannels();