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How much 1px is with respect to fp in Harmony OS?

Can anyone tell px:fp ratio or code to convert fp to px.
I am building a HarmonyOS application and I want to set the width of a component to 20fp but setWidth​(int width) takes width in px.

Button button = new Button(getContext());
button.setWidth(width);

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Answer

HarmonyOS provides the AttrHelper tool class to implement conversion between fp and px.

AttrHelper.fp2px()

For more details, pls kindly refer to this Docs.

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