Below is my code for a text I want to spawn under a canvas. Both spawn and I no longer get errors, but the text isn't spawning under the canvas.

        Text savescore = Instantiate(score) as Text;
        savescore.transform.SetParent(canvasparent.transform, false);

Remember to capture a reference to the instance of the object when you instantiate it, something like this:

Canvas canvasInstance = Instantiate<Canvas>(canvasPrefab);

Text scoreTextInstance = Instantiate<Text>(scoreTextPrefab);

scoreTextInstance.transform.SetParent(canvasInstance.transform, false);

The code you showed is trying to parent the newly-spawned text to the prefab of the canvas, not the instance of the canvas you've spawned into your scene.

This is probably the most common error I see in Unity code, so be very careful to keep track of which variables refer to spawned instances and which to prefabs.

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  • \$\begingroup\$ Right, so i had to just do what i did in the second line in the first, thanks \$\endgroup\$ – wfa Sep 4 '16 at 6:30
  • \$\begingroup\$ but then i get these errors \$\endgroup\$ – wfa Sep 4 '16 at 6:33
  • \$\begingroup\$ Argument #1' cannot convert UnityEngine.GameObject' expression to type `UnityEngine.Canvas' \$\endgroup\$ – wfa Sep 4 '16 at 6:33
  • \$\begingroup\$ The best overloaded method match for `UnityEngine.Object.Instantiate<UnityEngine.Canvas>(UnityEngine.Canvas)' has some invalid arguments \$\endgroup\$ – wfa Sep 4 '16 at 6:33
  • \$\begingroup\$ Declare canvasPrefab as type Canvas instead of GameObject AlsoscoreTextPrefab as type Text instead of GameObject. Then assign them again in inspector. \$\endgroup\$ – Sourav Paul Sep 4 '16 at 9:48

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