Skip to content

Instantly share code, notes, and snippets.

View mtzfactory's full-sized avatar

Ricardo Martínez mtzfactory

  • Barcelona
  • 00:32 (UTC +02:00)
View GitHub Profile
@mtzfactory
mtzfactory / FlatListGapExample.jsx
Created February 28, 2023 11:31 — forked from intergalacticspacehighway/FlatListGapExample.jsx
Add gap in FlatList items with numColumns
import {Dimensions, FlatList, View} from 'react-native';
const screenWidth = Dimensions.get('window').width;
const numColumns = 2;
const gap = 5;
const availableSpace = screenWidth - (numColumns - 1) * gap;
const itemSize = availableSpace / numColumns;
const renderItem = ({item}) => {
import React from "react";
import { Dimensions, TextInput, ScrollView } from "react-native";
import Animated, {
useAnimatedKeyboard,
useAnimatedReaction,
runOnJS,
KeyboardState,
useAnimatedProps,
useAnimatedScrollHandler,
import { useEffect, useRef } from "react";
import { AppState, AppStateStatus } from "react-native";
export const useFetchOnAppForeground = () => {
const listener = useRef(null);
function fetchOnAppForeground(params) {
if (AppState.currentState === "active") {
return fetch(params);
} else {
import { createContext, forwardRef, useCallback, useMemo } from "react";
import { FlatList, FlatListProps, ViewToken } from "react-native";
import Animated, { useSharedValue } from "react-native-reanimated";
const MAX_VIEWABLE_ITEMS = 4;
type ViewabilityItemsContextType = string[];
export const ViewabilityItemsContext = createContext<
Animated.SharedValue<ViewabilityItemsContextType>
@mtzfactory
mtzfactory / useKeyboardBottomInset hook
Created February 28, 2023 11:31 — forked from intergalacticspacehighway/useKeyboardBottomInset hook
Hook to get keyboard height in React Native and add bottom/padding inset on a view.
import { Keyboard, Platform, KeyboardEvent } from 'react-native';
const useKeyboardBottomInset = () => {
const [bottom, setBottom] = React.useState(0);
const subscriptions = React.useRef([]);
React.useEffect(() => {
function onKeyboardChange(e) {
if (
e.startCoordinates &&