Photo by Julia Kadel on Unsplash
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Integrating Apple Pay to iOS App

Apple Pay is Apple’s mobile payment service. We can use Apple Pay to make a tap-to-pay in physical stores or purchase goods in apps. In addition, the Wallet app in iPhone can manage credit cards, so we don’t need to carry several credit cards.
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Photo by Svitlana on Unsplash
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Prevent Screenshots in iOS

For some reasons, we may want to prevent users from taking screenshots of our app. However, iOS does not provide such functionality. Fortunately, we can use UITextField to achieve this effect.
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