Force the keyboard to become visible and stay visible in view

I want to have the virtual keyboard appear in my view on load and I want it to say visible for the lifetime of the view. There is a text field and I treat as the primary control for this view.

Initially, I called [self.textField becomeFirstResponder] in -viewWillAppear: following advice I've gotten here. Then, I came up with a different idea: I overloaded UIViewController's -becomeFirstResponder.

- (BOOL)becomeFirstResponder
if (self.primeResponder)
return [self.primeResponder becomeFirstResponder];
return [super becomeFirstResponder];

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