namespace BallKingdomCrush { public abstract class BaseScene { public abstract int SceneIdx { get; } public void Enter() { App.DisplayLoadingUI(); OnEnter(); } public void Leave() { OnLeave(); } public void SwitchSceneComplete(object param) { OnSwitchSceneComplete(param); } protected abstract void OnEnter(); protected abstract void OnLeave(); protected abstract void OnSwitchSceneComplete(object param); public abstract void Dispose(); } }