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javaandroidlibgdx

LibGDX getKeyFrame said to return object instead of TextureRegion/frame

Following this tutorial: https://www.youtube.com/watch?v=1fJrhgc0RRw

I am getting "Gradle error: incompatible types: Object cannot be converted to TextureRegion"

at this line:

region = heroJump.getKeyFrame(stateTimer);

heroJump is declared as:

private Animation heroJump;

and that is imported up top as:

import com.badlogic.gdx.graphics.g2d.Animation;

In Android Studio the flyout box when you type heroJump.getKeyFrame() shows that Object is the return type of the function.
In the tutorial it shows a TexturedFrame.
I'm importing it the same as the tutorial.
I'm not sure why it doesn't see the return type as the same thing.
Even when I click the Animation class to view its docs it appears to come up with the proper return types.

What is not being done correctly so that AndroidStudio/Compiler knows the correct return type and will compile?

Solution

  • The method is declared in the API as 

    public T getKeyFrame(float stateTime)

    And the class definition public class Animation<T>.

    You have a raw Animation instance. The import isn't the problem. The declaration is.

    For example, you'd want private Animation<TextureRegion> heroJump; and you'd give that your Array<TextureRegion>