Question 1

How to add a custom backspace button in React Native Pin View?

Accepted Answer

Use the customLeftButton prop with a component like an icon, and manage its visibility with state based on enteredPin length. In the onButtonPress callback, call pinView.current.clear() to delete the last digit, as shown in the example code.

Question 2

Is React Native Pin View secure for banking apps?

Accepted Answer

The component handles only the UI layer; for security, you must implement PIN hashing, encryption, and secure storage separately. It's suitable for input interfaces but not for backend security logic.

Question 3

React Native Pin View vs react-native-pincode: which is better?

Accepted Answer

React Native Pin View excels in customization and programmatic control with many styling props, while react-native-pincode might offer more built-in features like biometric support. Choose based on your need for flexibility versus out-of-the-box functionality.

Question 4

How to change the keypad layout or add more buttons?

Accepted Answer

The library supports custom left and right buttons, but the main numeric keypad is fixed. For complex layouts beyond styling, you might need to fork the project or use a different component, as structure changes aren't supported.

Question 5

Does React Native Pin View support dark mode?

Accepted Answer

Yes, through its extensive styling props; you can dynamically adjust styles by passing different ViewStyle and TextStyle objects based on theme, but it lacks built-in theme detection.

Question 6

How to handle PIN validation and submission with this library?

Accepted Answer

Use the onValueChange callback to capture the PIN and implement validation logic in your app. For submission, trigger an action when the PIN length is met, similar to the custom right button example for unlocking.

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