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React NAtive Hook for getting keyboard height
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| import { useEffect, useState } from "react"; | |
| import { Keyboard, KeyboardEvent } from "react-native"; | |
| export const useKeyboard = () => { | |
| // TODO: uncomment to return the height | |
| // const [ keyboardHeight, setKeyboardHeight ] = useState(0); | |
| const [isKeyboardVisible, setIsKeyboardVisible] = useState(false); | |
| // const onKeyboardDidShow = (e) => setKeyboardHeight(e.endCoordinates.height); | |
| // const onKeyboardDidHide = () => setKeyboardHeight(0); | |
| // useEffect(() => { | |
| // Keyboard.addListener('keyboardDidShow', onKeyboardDidShow); | |
| // Keyboard.addListener('keyboardDidHide', onKeyboardDidHide); | |
| // return () => { | |
| // Keyboard.remove('keyboardDidShow', onKeyboardDidShow); | |
| // Keyboard.remove('keyboardDidHide', onKeyboardDidHide); | |
| // }; | |
| // }, []); | |
| // return [ keyboardHeight ]; | |
| useEffect(() => { | |
| const keyboardDidShowListener = Keyboard.addListener("keyboardDidShow", () => | |
| setIsKeyboardVisible(true) | |
| ); | |
| const keyboardDidHideListener = Keyboard.addListener("keyboardDidHide", () => | |
| setIsKeyboardVisible(false) | |
| ); | |
| return () => { | |
| keyboardDidShowListener.remove(); | |
| keyboardDidHideListener.remove(); | |
| }; | |
| }, []); | |
| // return true or false (keyboard is visible or not): | |
| return isKeyboardVisible; | |
| }; | |
| // Inorder to return true or false |
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