Compose toggleable view for TV and Mobile

[StaehliJ]

As a user / integrator I want a composable like AnimatedVisibility that hide automatically after a delay.

Acceptance criteria

• Toggleable view is working on Android TV and Mobile devices.
• View can be toggled from a click or a key event.
• A public api to set the delay and the visibility state is provided.

Tasks

• Create a state object
• ToggleView using state object
• Preview composable
• Implements on android tv and mobile demo player
• Android TV controls
• Mobile controls are usable with keyboard too
• Check accessibility

[StaehliJ]

Accessibility

In compose we can get LocalAccessibilityManager that have a method to compute ideal timeout. After some experimentation, it make duration 3 times greater.

val manager = LocalAccessibilityManager.current
    val durationWithAccessibility = manager?.let {
        it.calculateRecommendedTimeoutMillis(
            duration.inWholeMilliseconds,
            containsIcons = true,
            containsText = true,
            containsControls = true
        ).milliseconds

The maintainVisibleOnFocus seems to not working with TalkBack.

Choice

When accessibility is enabled rememberDelayedVisibilityState force to disable auto hide mechanism.