Web Reference: TextInput is a controlled component, which means the native value will be forced to match this value prop if provided. For most uses, this works great, but in some cases this may cause flickering - one common cause is preventing edits by keeping value the same. A typical approach for validating TextInput in React Native is using a component's state to track the current input value and validation status. Here's an example showing how to validate a simple email field in real-time, with instant feedback when the input is invalid: Mar 22, 2016 · for example, While entering an email in the TextInput, it should validate and display the error message. where the entered email is valid or not
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