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Xcode how to autostart UITextView?

I have a Text View window, and I want this rectangle to remain the same size, while the text inside the autostart box matches the size of the window. The reason I need this is because the text is pulled from plist, and the lines have different lengths. Shortcuts have an autostart function, which is exactly what I want, but I can’t figure out a way, even through the code, to get a text view to do the same. Please, help!

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UILabelmay have more than one line of text. You just need to install the following:

label.lineBreakMode = UILineBreakModeWordWrap;
label.numberOfLines = 0; // 0 = unlimited number of lines, set to another number to have that as maximum

, , label.adjustsFontSizeToFitWidth = YES;, , .

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