[FIX] Keyboard not showing all emojis or showing cut emojis (#4919)

* fix the logic based on window width and make the keyboard dynamic

* fix var naming and math

* fix alignment of emojis

* add comment

* wip

app/containers/EmojiPicker/EmojiCategory.tsx

@@ -1,34 +1,31 @@
 import React from 'react';
-import { useWindowDimensions } from 'react-native';
 import { FlatList } from 'react-native-gesture-handler';
 
-import { EMOJI_BUTTON_SIZE } from './styles';
-import scrollPersistTaps from '../../lib/methods/helpers/scrollPersistTaps';
 import { IEmoji } from '../../definitions/IEmoji';
+import scrollPersistTaps from '../../lib/methods/helpers/scrollPersistTaps';
 import { PressableEmoji } from './PressableEmoji';
+import { EMOJI_BUTTON_SIZE } from './styles';
 
 interface IEmojiCategoryProps {
 	emojis: IEmoji[];
 	onEmojiSelected: (emoji: IEmoji) => void;
 	tabLabel?: string; // needed for react-native-scrollable-tab-view only
+	parentWidth: number;
 }
 
-const EmojiCategory = ({ onEmojiSelected, emojis }: IEmojiCategoryProps): React.ReactElement | null => {
+const EmojiCategory = ({ onEmojiSelected, emojis, parentWidth }: IEmojiCategoryProps): React.ReactElement | null => {
-	const { width } = useWindowDimensions();
+	if (!parentWidth) {
-
-	const numColumns = Math.trunc(width / EMOJI_BUTTON_SIZE);
-	const marginHorizontal = (width % EMOJI_BUTTON_SIZE) / 2;
-
-	const renderItem = ({ item }: { item: IEmoji }) => <PressableEmoji emoji={item} onPress={onEmojiSelected} />;
-
-	if (!width) {
 		return null;
 	}
 
+	const numColumns = Math.trunc(parentWidth / EMOJI_BUTTON_SIZE);
+	const marginHorizontal = (parentWidth % EMOJI_BUTTON_SIZE) / 2;
+
+	const renderItem = ({ item }: { item: IEmoji }) => <PressableEmoji emoji={item} onPress={onEmojiSelected} />;
+
 	return (
 		<FlatList
-			// needed to update the numColumns when the width changes
+			key={`emoji-category-${parentWidth}`}
-			key={`emoji-category-${width}`}
 			keyExtractor={item => (typeof item === 'string' ? item : item.name)}
 			data={emojis}
 			renderItem={renderItem}

app/containers/EmojiPicker/index.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useState } from 'react';
 import { View } from 'react-native';
 import ScrollableTabView from 'react-native-scrollable-tab-view';
 
@@ -20,6 +20,8 @@ const EmojiPicker = ({
 	searchedEmojis = []
 }: IEmojiPickerProps): React.ReactElement | null => {
 	const { colors } = useTheme();
+	const [parentWidth, setParentWidth] = useState(0);
+
 	const { frequentlyUsed, loaded } = useFrequentlyUsedEmoji();
 
 	const allCustomEmojis: ICustomEmojis = useAppSelector(
@@ -50,7 +52,14 @@ const EmojiPicker = ({
 		if (!emojis.length) {
 			return null;
 		}
-		return <EmojiCategory emojis={emojis} onEmojiSelected={(emoji: IEmoji) => handleEmojiSelect(emoji)} tabLabel={label} />;
+		return (
+			<EmojiCategory
+				parentWidth={parentWidth}
+				emojis={emojis}
+				onEmojiSelected={(emoji: IEmoji) => handleEmojiSelect(emoji)}
+				tabLabel={label}
+			/>
+		);
 	};
 
 	if (!loaded) {
@@ -58,9 +67,13 @@ const EmojiPicker = ({
 	}
 
 	return (
-		<View style={styles.emojiPickerContainer}>
+		<View style={styles.emojiPickerContainer} onLayout={e => setParentWidth(e.nativeEvent.layout.width)}>
 			{searching ? (
-				<EmojiCategory emojis={searchedEmojis} onEmojiSelected={(emoji: IEmoji) => handleEmojiSelect(emoji)} />
+				<EmojiCategory
+					emojis={searchedEmojis}
+					onEmojiSelected={(emoji: IEmoji) => handleEmojiSelect(emoji)}
+					parentWidth={parentWidth}
+				/>
 			) : (
 				<ScrollableTabView
 					renderTabBar={() => <TabBar />}