CODEWITHSUNDEEP
androidsurfaceview
MSaudi
MSaudi

Reputation: 4652

difference between SurfaceView's constructor and SurafaceHolder.Callback 's SurfaceCreated

I'm trying to understand why should I use a SurfaceHolder.Callback where I can do a lot without it. A question raised up I can put some code in the constructor of the main SurfaceView , why should I then use it. What's the difference and what's the situation where I MUST use SurfaceHolder.Callback

Thanks.

Upvotes: 0

Views: 351

Answers (1)

Alexander
Alexander

Reputation: 48262

SurfaceHolder.Callback notifies you when the surface is created, changed and destroyed.

If you're drawing to the surface in a separate thread (which is what SurfaceView is all about) you will want to know that to determine when you can start/stop your drawing.

The surface is not available immediately after it's constructor called. And there will be problems if you draw to a destroyed surface, too.

Upvotes: 1

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