A host icon button in the player's top-end control row (icon-only, max 8). iconName is a native drawable/asset name in the APP (e.g. a file in android/app/src/main/res/drawable/). Taps arrive via onCustomAction.
iconName
onCustomAction
Optional
A host icon button in the player's top-end control row (icon-only, max 8).
iconNameis a native drawable/asset name in the APP (e.g. a file in android/app/src/main/res/drawable/). Taps arrive viaonCustomAction.