public void Start(ExEnAndroidActivity activity)
{
// The graphics device manager will hopefully have been created by the derived class's constructor
// It must be a GraphicsDeviceManager because it holds an ExEnAndroidSurfaceView that also handles our Draw/Update loop
if(graphicsDeviceManager == null)
throw new InvalidOperationException("Game requires that a GraphicsDeviceManager is created before calling Start");
// Add the activity as a service (used by ContentManager)
this.services.AddService(typeof(ExEnAndroidActivity), activity);
// Start the game
graphicsDeviceManager.StartGame(activity);
}
public ExEnAndroidSurfaceView(Game game, GraphicsDeviceManager gdm, ExEnAndroidActivity activity)
: base(activity)
{
this.game = game;
this.gdm = gdm;
this.activity = activity;
inputScaler = new ExEnScaler(ExEnInterfaceOrientation.Portrait, new Point(1, 1), new Point(1, 1));
Holder.AddCallback(this);
Holder.SetType(SurfaceType.Gpu);
updateGameTime = new GameTime();
drawGameTime = new GameTime();
GameLoop.Update = DoUpdate;
GameLoop.Draw = DoDraw;
}
internal void StartGame(ExEnAndroidActivity activity)
{
if(activity.surface != null)
throw new InvalidOperationException("Game has already been started");
this.activity = activity;
// Note: If the handling of the graphics device gets more complicated,
// this may have to be split into functions around what needs to be done before,
// during and after graphics device creation:
ApplyChanges();
// Create the game's view:
surfaceView = new ExEnAndroidSurfaceView(game, this, activity);
activity.surface = surfaceView;
// Start the game running in the rendering thread
surfaceView.StartGame();
// Now that Game has started, make the view visible:
activity.SetContentView(surfaceView);
// Return outwards to the activity's OnCreate method...
}