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Continue to ChatThree way to create customized input control for UITextField https://www.stlplace.com/2012/08/09/three-way-to-create-customized-input-control-for-uitextfield/
Three way to create customized input control for UITextField https://www.stlplace.com/2012/08/09/three-way-to-create-customized-input-control-for-uitextfield/