How to change the Font Size in a whole Application programmatically, Android?

Question

I have created Spinner with the list of Font Sizes from \"8\" to \"46\" . I could be able to click the font Size and in a spinner it has shown me .

My need is, if i

Answer 1

Create a function and pass the spinner size value as

void setSize(int size){
...
setTextSize()
// on All of the layout texts and views on screen

}

Call setTextSize() on all of your views and layout texts on the screen.

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