Transition won't work on SolidColor component

[dev-sareno]

Transitions isn't working on SolidColor but it works fine in other components such Row, Column, Text, etc. I'm not sure if it was an intended behaviour. The following might be helpful

Version: // Litho implementation 'com.facebook.litho:litho-core:0.29.0' implementation 'com.facebook.litho:litho-widget:0.29.0' kapt 'com.facebook.litho:litho-processor:0.29.0' // SoLoader implementation 'com.facebook.soloader:soloader:0.6.0' // For integration with Fresco implementation 'com.facebook.litho:litho-fresco:0.29.0' // Sections implementation 'com.facebook.litho:litho-sections-core:0.29.0' implementation 'com.facebook.litho:litho-sections-widget:0.29.0' compileOnly 'com.facebook.litho:litho-sections-annotations:0.29.0' kapt 'com.facebook.litho:litho-sections-processor:0.29.0'

@LayoutSpec object UIExpScaleAnimSpec { @OnCreateInitialState fun onCrateInitialState(c: ComponentContext, scale: StateValue ) { scale.set(1f) }

@OnCreateLayout
fun onCreateLayout(c: ComponentContext,
                   @State scale: Float
): Component {
/*    return Column.create(c)
        .heightPercent(100f)
        .child(Column.create(c)
            .transitionKey("anim")
            .widthDip(scale)
            .heightDip(scale)
            .backgroundColor(Color.parseColor("#7B241C"))
            .build())
        .clickHandler(UIExpScaleAnim.onPageClicked(c, scale))
        .build()*/
    return Column.create(c)
        .heightPercent(100f)
        .child(SolidColor.create(c)
            .transitionKey("anim")
            .widthDip(scale)
            .heightDip(scale)
            .color(Color.parseColor("#7B241C"))
            .build())
        .clickHandler(UIExpScaleAnim.onPageClicked(c, scale))
        .build()
}

@OnCreateTransition
fun onCreateTransition(c: ComponentContext
): Transition {
    return Transition.create("anim")
        .animate(AnimatedProperties.WIDTH, AnimatedProperties.HEIGHT)
}

@OnUpdateState
fun updateScale(@Param param: Float, scale: StateValue<Float>) {
    scale.set(param)
}

@OnEvent(ClickEvent::class)
fun onPageClicked(c: ComponentContext,
                  @Param pCurrentScale: Float
) {
    UIExpScaleAnim.updateScale(c, if (pCurrentScale == 1f) 100f else 1f)
}

}