[IMPROVE] Migrate UIKit/MultiSelect to ActionSheet (#4255)

* Migrate UIKit/MultiSelect to ActionSheet

* Fix no options initially on CreateDiscussion  view

* Change backgroundColor and use colors from useTheme

* Define missing types

* onSearch function for the ActionSheet

* Add onClose function to the ActionSheet and use colors from useTheme

* fix theme and bottomSheet

* fix actionSheet

* fix style

Co-authored-by: GleidsonDaniel <gleidson10daniel@hotmail.com>

app/containers/ActionSheet/ActionSheet.tsx

@@ -101,6 +101,11 @@ const ActionSheet = React.memo(
 			</>
 		);
 
+		const onClose = () => {
+			toggleVisible();
+			data?.onClose && data?.onClose();
+		};
+
 		const renderBackdrop = useCallback(
 			props => (
 				<BottomSheetBackdrop
@@ -134,7 +139,7 @@ const ActionSheet = React.memo(
 						enablePanDownToClose
 						style={{ ...styles.container, ...bottomSheet }}
 						backgroundStyle={{ backgroundColor: colors.focusedBackground }}
-						onChange={index => index === -1 && toggleVisible()}
+						onChange={index => index === -1 && onClose()}
 						{...androidTablet}>
 						<BottomSheetContent options={data?.options} hide={hide} children={data?.children} hasCancel={data?.hasCancel} />
 					</BottomSheet>

app/containers/ActionSheet/BottomSheetContent.tsx

@@ -53,7 +53,7 @@ const BottomSheetContent = React.memo(({ options, hasCancel, hide, children }: I
 			/>
 		);
 	}
-	return <BottomSheetView>{children}</BottomSheetView>;
+	return <BottomSheetView style={styles.contentContainer}>{children}</BottomSheetView>;
 });
 
 export default BottomSheetContent;

app/containers/ActionSheet/Handle.tsx

@@ -8,7 +8,7 @@ import { useTheme } from '../../theme';
 export const Handle = React.memo(() => {
 	const { theme } = useTheme();
 	return (
-		<View style={[styles.handle, { backgroundColor: themes[theme].focusedBackground }]} testID='action-sheet-handle'>
+		<View style={[styles.handle]} testID='action-sheet-handle'>
 			<View style={[styles.handleIndicator, { backgroundColor: themes[theme].auxiliaryText }]} />
 		</View>
 	);

app/containers/ActionSheet/Provider.tsx

@@ -20,7 +20,8 @@ export type TActionSheetOptions = {
 	hasCancel?: boolean;
 	type?: string;
 	children?: React.ReactElement | null;
-	snaps?: string[] | number[];
+	snaps?: (string | number)[];
+	onClose?: () => void;
 };
 export interface IActionSheetProvider {
 	showActionSheet: (item: TActionSheetOptions) => void;

app/containers/ActionSheet/styles.ts

@@ -63,5 +63,15 @@ export default StyleSheet.create({
 	},
 	rightContainer: {
 		paddingLeft: 12
+	},
+	footerButtonsContainer: {
+		flexDirection: 'row',
+		paddingTop: 16
+	},
+	buttonSeparator: {
+		marginRight: 8
+	},
+	contentContainer: {
+		flex: 1
 	}
 });

app/containers/UIKit/MultiSelect/Chips.tsx

@@ -3,50 +3,50 @@ import { Text, View } from 'react-native';
 import Touchable from 'react-native-platform-touchable';
 import FastImage from 'react-native-fast-image';
 
-import { themes } from '../../../lib/constants';
 import { textParser } from '../utils';
 import { CustomIcon } from '../../CustomIcon';
 import styles from './styles';
 import { IItemData } from '.';
-import { TSupportedThemes } from '../../../theme';
+import { useTheme } from '../../../theme';
 
 interface IChip {
 	item: IItemData;
 	onSelect: (item: IItemData) => void;
 	style?: object;
-	theme: TSupportedThemes;
 }
 
 interface IChips {
 	items: IItemData[];
 	onSelect: (item: IItemData) => void;
 	style?: object;
-	theme: TSupportedThemes;
 }
 
 const keyExtractor = (item: IItemData) => item.value.toString();
 
-const Chip = ({ item, onSelect, style, theme }: IChip) => (
+const Chip = ({ item, onSelect, style }: IChip) => {
+	const { colors } = useTheme();
+	return (
 		<Touchable
 			key={item.value}
 			onPress={() => onSelect(item)}
-		style={[styles.chip, { backgroundColor: themes[theme].auxiliaryBackground }, style]}
-		background={Touchable.Ripple(themes[theme].bannerBackground)}>
+			style={[styles.chip, { backgroundColor: colors.auxiliaryBackground }, style]}
+			background={Touchable.Ripple(colors.bannerBackground)}>
 			<>
 				{item.imageUrl ? <FastImage style={styles.chipImage} source={{ uri: item.imageUrl }} /> : null}
-			<Text numberOfLines={1} style={[styles.chipText, { color: themes[theme].titleText }]}>
+				<Text numberOfLines={1} style={[styles.chipText, { color: colors.titleText }]}>
 					{textParser([item.text])}
 				</Text>
-			<CustomIcon name='close' size={16} color={themes[theme].auxiliaryText} />
+				<CustomIcon name='close' size={16} color={colors.auxiliaryText} />
 			</>
 		</Touchable>
-);
+	);
+};
 Chip.propTypes = {};
 
-const Chips = ({ items, onSelect, style, theme }: IChips) => (
+const Chips = ({ items, onSelect, style }: IChips) => (
 	<View style={styles.chips}>
 		{items.map(item => (
-			<Chip key={keyExtractor(item)} item={item} onSelect={onSelect} style={style} theme={theme} />
+			<Chip key={keyExtractor(item)} item={item} onSelect={onSelect} style={style} />
 		))}
 	</View>
 );

app/containers/UIKit/MultiSelect/Input.tsx

@@ -3,15 +3,13 @@ import { Text, View } from 'react-native';
 import Touchable from 'react-native-platform-touchable';
 
 import { CustomIcon } from '../../CustomIcon';
-import { themes } from '../../../lib/constants';
 import ActivityIndicator from '../../ActivityIndicator';
 import styles from './styles';
-import { TSupportedThemes } from '../../../theme';
+import { useTheme } from '../../../theme';
 
 interface IInput {
 	children?: JSX.Element;
 	onPress: () => void;
-	theme: TSupportedThemes;
 	inputStyle?: object;
 	disabled?: boolean | null;
 	placeholder?: string;
@@ -19,21 +17,23 @@ interface IInput {
 	innerInputStyle?: object;
 }
 
-const Input = ({ children, onPress, theme, loading, inputStyle, placeholder, disabled, innerInputStyle }: IInput) => (
+const Input = ({ children, onPress, loading, inputStyle, placeholder, disabled, innerInputStyle }: IInput) => {
+	const { colors } = useTheme();
+	return (
 		<Touchable
 			onPress={onPress}
-		style={[{ backgroundColor: themes[theme].backgroundColor }, inputStyle]}
-		background={Touchable.Ripple(themes[theme].bannerBackground)}
+			style={[{ backgroundColor: colors.backgroundColor }, inputStyle]}
+			background={Touchable.Ripple(colors.bannerBackground)}
 			disabled={disabled}>
-		<View style={[styles.input, { borderColor: themes[theme].separatorColor }, innerInputStyle]}>
-			{placeholder ? <Text style={[styles.pickerText, { color: themes[theme].auxiliaryText }]}>{placeholder}</Text> : children}
+			<View style={[styles.input, { borderColor: colors.separatorColor }, innerInputStyle]}>
+				{placeholder ? <Text style={[styles.pickerText, { color: colors.auxiliaryText }]}>{placeholder}</Text> : children}
 				{loading ? (
-				<ActivityIndicator style={[styles.loading, styles.icon]} />
+					<ActivityIndicator style={styles.icon} />
 				) : (
-				<CustomIcon name='chevron-down' size={22} color={themes[theme].auxiliaryText} style={styles.icon} />
+					<CustomIcon name='chevron-down' size={22} color={colors.auxiliaryText} style={styles.icon} />
 				)}
 			</View>
 		</Touchable>
-);
-
+	);
+};
 export default Input;

app/containers/UIKit/MultiSelect/Items.tsx

@@ -1,61 +1,54 @@
 import React from 'react';
-import { FlatList, Text } from 'react-native';
+import { Text } from 'react-native';
 import Touchable from 'react-native-platform-touchable';
 import FastImage from 'react-native-fast-image';
+import { FlatList } from 'react-native-gesture-handler';
 
 import Check from '../../Check';
 import * as List from '../../List';
 import { textParser } from '../utils';
-import { themes } from '../../../lib/constants';
 import styles from './styles';
 import { IItemData } from '.';
-import { TSupportedThemes } from '../../../theme';
+import { useTheme } from '../../../theme';
 
 interface IItem {
 	item: IItemData;
 	selected?: string;
 	onSelect: Function;
-	theme: TSupportedThemes;
 }
 
 interface IItems {
 	items: IItemData[];
 	selected: string[];
 	onSelect: Function;
-	theme: TSupportedThemes;
 }
 
-const keyExtractor = (item: IItemData) => item.value.toString();
+const keyExtractor = (item: IItemData) => item.value?.name || item.text?.text;
 
 // RectButton doesn't work on modal (Android)
-const Item = ({ item, selected, onSelect, theme }: IItem) => {
+const Item = ({ item, selected, onSelect }: IItem) => {
 	const itemName = item.value?.name || item.text.text.toLowerCase();
+	const { colors } = useTheme();
 	return (
-		<Touchable
-			testID={`multi-select-item-${itemName}`}
-			key={itemName}
-			onPress={() => onSelect(item)}
-			style={[styles.item, { backgroundColor: themes[theme].backgroundColor }]}>
+		<Touchable testID={`multi-select-item-${itemName}`} key={itemName} onPress={() => onSelect(item)} style={[styles.item]}>
 			<>
 				{item.imageUrl ? <FastImage style={styles.itemImage} source={{ uri: item.imageUrl }} /> : null}
-				<Text style={{ color: themes[theme].titleText }}>{textParser([item.text])}</Text>
+				<Text style={{ color: colors.titleText }}>{textParser([item.text])}</Text>
 				{selected ? <Check /> : null}
 			</>
 		</Touchable>
 	);
 };
 
-const Items = ({ items, selected, onSelect, theme }: IItems) => (
+const Items = ({ items, selected, onSelect }: IItems) => (
 	<FlatList
 		data={items}
-		style={[styles.items, { backgroundColor: themes[theme].backgroundColor }]}
-		contentContainerStyle={[styles.itemContent, { backgroundColor: themes[theme].backgroundColor }]}
+		style={[styles.items]}
+		contentContainerStyle={[styles.itemContent]}
 		keyboardShouldPersistTaps='always'
 		ItemSeparatorComponent={List.Separator}
 		keyExtractor={keyExtractor}
-		renderItem={({ item }) => (
-			<Item item={item} onSelect={onSelect} theme={theme} selected={selected.find(s => s === item.value)} />
-		)}
+		renderItem={({ item }) => <Item item={item} onSelect={onSelect} selected={selected.find(s => s === item.value)} />}
 	/>
 );
 

app/containers/UIKit/MultiSelect/MultiSelectContent.tsx

@@ -0,0 +1,85 @@
+import React, { useState } from 'react';
+import { View } from 'react-native';
+
+import { FormTextInput } from '../../TextInput/FormTextInput';
+import { textParser } from '../utils';
+import I18n from '../../../i18n';
+import Items from './Items';
+import styles from './styles';
+import { useTheme } from '../../../theme';
+import { IItemData } from '.';
+import { debounce } from '../../../lib/methods/helpers/debounce';
+import { isIOS } from '../../../lib/methods/helpers';
+import { useActionSheet } from '../../ActionSheet';
+
+interface IMultiSelectContentProps {
+	onSearch?: (keyword: string) => IItemData[] | Promise<IItemData[] | undefined>;
+	options?: IItemData[];
+	multiselect: boolean;
+	select: React.Dispatch<any>;
+	onChange: Function;
+	setCurrentValue: React.Dispatch<React.SetStateAction<string>>;
+	onHide: Function;
+	selectedItems: string[];
+}
+
+export const MultiSelectContent = React.memo(
+	({ onSearch, options, multiselect, select, onChange, setCurrentValue, onHide, selectedItems }: IMultiSelectContentProps) => {
+		const { colors } = useTheme();
+		const [selected, setSelected] = useState<string[]>(Array.isArray(selectedItems) ? selectedItems : []);
+		const [items, setItems] = useState<IItemData[] | undefined>(options);
+		const { hideActionSheet } = useActionSheet();
+
+		const onSelect = (item: IItemData) => {
+			const {
+				value,
+				text: { text }
+			} = item;
+			if (multiselect) {
+				let newSelect = [];
+				if (!selected.includes(value)) {
+					newSelect = [...selected, value];
+				} else {
+					newSelect = selected.filter((s: any) => s !== value);
+				}
+				setSelected(newSelect);
+				select(newSelect);
+				onChange({ value: newSelect });
+			} else {
+				onChange({ value });
+				setCurrentValue(text);
+				onHide();
+			}
+		};
+
+		const handleSearch = debounce(
+			async (text: string) => {
+				if (onSearch) {
+					const res = await onSearch(text);
+					setItems(res);
+				} else {
+					setItems(options?.filter((option: any) => textParser([option.text]).toLowerCase().includes(text.toLowerCase())));
+				}
+			},
+			onSearch ? 300 : 0
+		);
+
+		return (
+			<View style={[styles.actionSheetContainer]}>
+				<FormTextInput
+					testID='multi-select-search'
+					onChangeText={handleSearch}
+					placeholder={I18n.t('Search')}
+					inputStyle={{ backgroundColor: colors.focusedBackground }}
+					bottomSheet={isIOS}
+					onSubmitEditing={() => {
+						setTimeout(() => {
+							hideActionSheet();
+						}, 150);
+					}}
+				/>
+				<Items items={items || []} selected={selected} onSelect={onSelect} />
+			</View>
+		);
+	}
+);

app/containers/UIKit/MultiSelect/index.tsx

@@ -1,29 +1,15 @@
 import React, { useEffect, useState } from 'react';
-import {
-	Animated,
-	Easing,
-	KeyboardAvoidingView,
-	Modal,
-	StyleSheet,
-	Text,
-	TouchableWithoutFeedback,
-	View,
-	TextStyle
-} from 'react-native';
+import { Text, TextStyle } from 'react-native';
 import { BlockContext } from '@rocket.chat/ui-kit';
 
 import Button from '../../Button';
-import { FormTextInput } from '../../TextInput';
-import { textParser } from '../utils';
-import { themes } from '../../../lib/constants';
-import I18n from '../../../i18n';
-import { isIOS } from '../../../lib/methods/helpers';
 import { useTheme } from '../../../theme';
 import { IText } from '../interfaces';
 import Chips from './Chips';
-import Items from './Items';
 import Input from './Input';
 import styles from './styles';
+import { useActionSheet } from '../../ActionSheet';
+import { MultiSelectContent } from './MultiSelectContent';
 
 export interface IItemData {
 	value: any;
@@ -38,7 +24,7 @@ interface IMultiSelect {
 	context?: BlockContext;
 	loading?: boolean;
 	multiselect?: boolean;
-	onSearch?: () => void;
+	onSearch?: (keyword: string) => IItemData[] | Promise<IItemData[] | undefined>;
 	onClose?: () => void;
 	inputStyle?: TextStyle;
 	value?: any[];
@@ -46,16 +32,6 @@ interface IMultiSelect {
 	innerInputStyle?: object;
 }
 
-const ANIMATION_DURATION = 200;
-const ANIMATION_PROPS = {
-	duration: ANIMATION_DURATION,
-	easing: Easing.inOut(Easing.quad),
-	useNativeDriver: true
-};
-const animatedValue = new Animated.Value(0);
-
-const behavior = isIOS ? 'padding' : null;
-
 export const MultiSelect = React.memo(
 	({
 		options = [],
@@ -71,12 +47,11 @@ export const MultiSelect = React.memo(
 		inputStyle,
 		innerInputStyle
 	}: IMultiSelect) => {
-		const { theme } = useTheme();
-		const [selected, select] = useState<any>(Array.isArray(values) ? values : []);
-		const [open, setOpen] = useState(false);
-		const [search, onSearchChange] = useState('');
+		const { colors } = useTheme();
+		const [selected, select] = useState<string[]>(Array.isArray(values) ? values : []);
 		const [currentValue, setCurrentValue] = useState('');
-		const [showContent, setShowContent] = useState(false);
+
+		const { showActionSheet, hideActionSheet } = useActionSheet();
 
 		useEffect(() => {
 			if (Array.isArray(values)) {
@@ -84,10 +59,6 @@ export const MultiSelect = React.memo(
 			}
 		}, [values]);
 
-		useEffect(() => {
-			setOpen(showContent);
-		}, [showContent]);
-
 		useEffect(() => {
 			if (values && values.length && !multiselect) {
 				setCurrentValue(values[0].text);
@@ -95,19 +66,26 @@ export const MultiSelect = React.memo(
 		}, []);
 
 		const onShow = () => {
-			Animated.timing(animatedValue, {
-				toValue: 1,
-				...ANIMATION_PROPS
-			}).start();
-			setShowContent(true);
+			showActionSheet({
+				children: (
+					<MultiSelectContent
+						options={options}
+						onSearch={onSearch}
+						select={select}
+						onChange={onChange}
+						setCurrentValue={setCurrentValue}
+						onHide={onHide}
+						multiselect={multiselect}
+						selectedItems={selected}
+					/>
+				),
+				onClose,
+				headerHeight: 275
+			});
 		};
-
 		const onHide = () => {
 			onClose();
-			Animated.timing(animatedValue, {
-				toValue: 0,
-				...ANIMATION_PROPS
-			}).start(() => setShowContent(false));
+			hideActionSheet();
 		};
 
 		const onSelect = (item: IItemData) => {
@@ -127,45 +105,14 @@ export const MultiSelect = React.memo(
 			} else {
 				onChange({ value });
 				setCurrentValue(text);
-				onHide();
 			}
 		};
 
-		const renderContent = () => {
-			const items: any = onSearch
-				? options
-				: options.filter((option: any) => textParser([option.text]).toLowerCase().includes(search.toLowerCase()));
-
-			return (
-				<View style={[styles.modal, { backgroundColor: themes[theme].backgroundColor }]}>
-					<View style={[styles.content, { backgroundColor: themes[theme].backgroundColor }]}>
-						<FormTextInput
-							testID='multi-select-search'
-							onChangeText={onSearch || onSearchChange}
-							placeholder={I18n.t('Search')}
-						/>
-						<Items items={items} selected={selected} onSelect={onSelect} theme={theme} />
-					</View>
-				</View>
-			);
-		};
-
-		const translateY = animatedValue.interpolate({
-			inputRange: [0, 1],
-			outputRange: [600, 0]
-		});
-
 		let button = multiselect ? (
 			<Button title={`${selected.length} selecteds`} onPress={onShow} loading={loading} />
 		) : (
-			<Input
-				onPress={onShow}
-				theme={theme}
-				loading={loading}
-				disabled={disabled}
-				inputStyle={inputStyle}
-				innerInputStyle={innerInputStyle}>
-				<Text style={[styles.pickerText, { color: currentValue ? themes[theme].titleText : themes[theme].auxiliaryText }]}>
+			<Input onPress={onShow} loading={loading} disabled={disabled} inputStyle={inputStyle} innerInputStyle={innerInputStyle}>
+				<Text style={[styles.pickerText, { color: currentValue ? colors.titleText : colors.auxiliaryText }]}>
 					{currentValue || placeholder.text}
 				</Text>
 			</Input>
@@ -173,48 +120,18 @@ export const MultiSelect = React.memo(
 
 		if (context === BlockContext.FORM) {
 			const items: any = options.filter((option: any) => selected.includes(option.value));
+
 			button = (
-				<Input
-					onPress={onShow}
-					theme={theme}
-					loading={loading}
-					disabled={disabled}
-					inputStyle={inputStyle}
-					innerInputStyle={innerInputStyle}>
+				<Input onPress={onShow} loading={loading} disabled={disabled} inputStyle={inputStyle} innerInputStyle={innerInputStyle}>
 					{items.length ? (
-						<Chips items={items} onSelect={(item: any) => (disabled ? {} : onSelect(item))} theme={theme} />
+						<Chips items={items} onSelect={(item: any) => (disabled ? {} : onSelect(item))} />
 					) : (
-						<Text style={[styles.pickerText, { color: themes[theme].auxiliaryText }]}>{placeholder.text}</Text>
+						<Text style={[styles.pickerText, { color: colors.auxiliaryText }]}>{placeholder.text}</Text>
 					)}
 				</Input>
 			);
 		}
 
-		return (
-			<>
-				<Modal animationType='fade' transparent visible={open} onRequestClose={onHide} onShow={onShow}>
-					<TouchableWithoutFeedback onPress={onHide}>
-						<View style={styles.container}>
-							<View
-								style={[
-									StyleSheet.absoluteFill,
-									{
-										opacity: themes[theme].backdropOpacity,
-										backgroundColor: themes[theme].backdropColor
-									}
-								]}
-							/>
-							{/* @ts-ignore*/}
-							<KeyboardAvoidingView style={styles.keyboardView} behavior={behavior}>
-								<Animated.View style={[styles.animatedContent, { transform: [{ translateY }] }]}>
-									{showContent ? renderContent() : null}
-								</Animated.View>
-							</KeyboardAvoidingView>
-						</View>
-					</TouchableWithoutFeedback>
-				</Modal>
-				{button}
-			</>
-		);
+		return <>{button}</>;
 	}
 );

app/containers/UIKit/MultiSelect/styles.ts

@@ -2,18 +2,15 @@ import { StyleSheet } from 'react-native';
 
 import sharedStyles from '../../../views/Styles';
 
-export default StyleSheet.create<any>({
+export default StyleSheet.create({
 	container: {
 		flex: 1,
 		alignItems: 'center',
 		justifyContent: 'flex-end'
 	},
-	modal: {
-		height: 300,
-		width: '100%',
-		borderTopRightRadius: 16,
-		borderTopLeftRadius: 16,
-		overflow: 'hidden'
+	actionSheetContainer: {
+		padding: 16,
+		flex: 1
 	},
 	content: {
 		padding: 16

app/views/CreateDiscussionView/SelectChannel.tsx

@@ -1,7 +1,6 @@
-import React, { useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import { Text } from 'react-native';
 
-import { themes } from '../../lib/constants';
 import { MultiSelect } from '../../containers/UIKit/MultiSelect';
 import { ISearchLocal } from '../../definitions';
 import I18n from '../../i18n';
@@ -9,7 +8,8 @@ import { getAvatarURL } from '../../lib/methods/helpers/getAvatarUrl';
 import { ICreateDiscussionViewSelectChannel } from './interfaces';
 import styles from './styles';
 import { localSearch } from '../../lib/methods';
-import { getRoomAvatar, getRoomTitle, debounce } from '../../lib/methods/helpers';
+import { getRoomAvatar, getRoomTitle } from '../../lib/methods/helpers';
+import { useTheme } from '../../theme';
 
 const SelectChannel = ({
 	server,
@@ -18,19 +18,28 @@ const SelectChannel = ({
 	onChannelSelect,
 	initial,
 	blockUnauthenticatedAccess,
-	serverVersion,
-	theme
+	serverVersion
 }: ICreateDiscussionViewSelectChannel): React.ReactElement => {
 	const [channels, setChannels] = useState<ISearchLocal[]>([]);
+	const { colors } = useTheme();
 
-	const getChannels = debounce(async (keyword = '') => {
+	const getChannels = async (keyword = '') => {
 		try {
-			const res = (await localSearch({ text: keyword })) as ISearchLocal[];
+			const res = (await localSearch({ text: keyword, filterUsers: false })) as ISearchLocal[];
 			setChannels(res);
+			return res.map(channel => ({
+				value: channel,
+				text: { text: getRoomTitle(channel) },
+				imageUrl: getAvatar(channel)
+			}));
 		} catch {
 			// do nothing
 		}
-	}, 300);
+	};
+
+	useEffect(() => {
+		getChannels('');
+	}, []);
 
 	const getAvatar = (item: ISearchLocal) =>
 		getAvatarURL({
@@ -47,7 +56,7 @@ const SelectChannel = ({
 
 	return (
 		<>
-			<Text style={[styles.label, { color: themes[theme].titleText }]}>{I18n.t('Parent_channel_or_group')}</Text>
+			<Text style={[styles.label, { color: colors.titleText }]}>{I18n.t('Parent_channel_or_group')}</Text>
 			<MultiSelect
 				inputStyle={styles.inputStyle}
 				onChange={onChannelSelect}
@@ -59,7 +68,7 @@ const SelectChannel = ({
 					text: { text: getRoomTitle(channel) },
 					imageUrl: getAvatar(channel)
 				}))}
-				onClose={() => setChannels([])}
+				onClose={() => getChannels('')}
 				placeholder={{ text: `${I18n.t('Select_a_Channel')}...` }}
 			/>
 		</>

app/views/CreateDiscussionView/SelectUsers.tsx

@@ -1,16 +1,16 @@
-import React, { useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import { Text } from 'react-native';
 import { BlockContext } from '@rocket.chat/ui-kit';
 
 import { getAvatarURL } from '../../lib/methods/helpers/getAvatarUrl';
 import I18n from '../../i18n';
 import { MultiSelect } from '../../containers/UIKit/MultiSelect';
-import { themes } from '../../lib/constants';
 import styles from './styles';
 import { ICreateDiscussionViewSelectUsers } from './interfaces';
 import { SubscriptionType, IUser } from '../../definitions';
 import { search } from '../../lib/methods';
-import { getRoomAvatar, getRoomTitle, debounce } from '../../lib/methods/helpers';
+import { getRoomAvatar, getRoomTitle } from '../../lib/methods/helpers';
+import { useTheme } from '../../theme';
 
 const SelectUsers = ({
 	server,
@@ -19,22 +19,31 @@ const SelectUsers = ({
 	selected,
 	onUserSelect,
 	blockUnauthenticatedAccess,
-	serverVersion,
-	theme
+	serverVersion
 }: ICreateDiscussionViewSelectUsers): React.ReactElement => {
 	const [users, setUsers] = useState<any[]>([]);
+	const { colors } = useTheme();
 
-	const getUsers = debounce(async (keyword = '') => {
+	const getUsers = async (keyword = '') => {
 		try {
 			const res = await search({ text: keyword, filterRooms: false });
 			const selectedUsers = users.filter((u: IUser) => selected.includes(u.name));
 			const filteredUsers = res.filter(r => !selectedUsers.find((u: IUser) => u.name === r.name));
 			const items = [...selectedUsers, ...filteredUsers];
 			setUsers(items);
+			return items.map((user: IUser) => ({
+				value: user.name,
+				text: { text: getRoomTitle(user) },
+				imageUrl: getAvatar(user)
+			}));
 		} catch {
 			// do nothing
 		}
-	}, 300);
+	};
+
+	useEffect(() => {
+		getUsers('');
+	}, []);
 
 	const getAvatar = (item: IUser) =>
 		getAvatarURL({
@@ -50,7 +59,7 @@ const SelectUsers = ({
 
 	return (
 		<>
-			<Text style={[styles.label, { color: themes[theme].titleText }]}>{I18n.t('Invite_users')}</Text>
+			<Text style={[styles.label, { color: colors.titleText }]}>{I18n.t('Invite_users')}</Text>
 			<MultiSelect
 				inputStyle={styles.inputStyle}
 				onSearch={getUsers}
@@ -60,7 +69,6 @@ const SelectUsers = ({
 					text: { text: getRoomTitle(user) },
 					imageUrl: getAvatar(user)
 				}))}
-				onClose={() => setUsers(users.filter((u: IUser) => selected.includes(u.name)))}
 				placeholder={{ text: `${I18n.t('Select_Users')}...` }}
 				context={BlockContext.FORM}
 				multiselect

app/views/CreateDiscussionView/index.tsx

@@ -164,7 +164,6 @@ class CreateChannelView extends React.Component<ICreateChannelViewProps, ICreate
 							onChannelSelect={this.selectChannel}
 							blockUnauthenticatedAccess={blockUnauthenticatedAccess}
 							serverVersion={serverVersion}
-							theme={theme}
 						/>
 						<FormTextInput
 							label={I18n.t('Discussion_name')}
@@ -182,7 +181,6 @@ class CreateChannelView extends React.Component<ICreateChannelViewProps, ICreate
 							onUserSelect={this.selectUsers}
 							blockUnauthenticatedAccess={blockUnauthenticatedAccess}
 							serverVersion={serverVersion}
-							theme={theme}
 						/>
 						{this.isEncryptionEnabled ? (
 							<>

app/views/CreateDiscussionView/interfaces.ts

@@ -1,7 +1,6 @@
 import { NewMessageStackParamList } from '../../stacks/types';
 import { ISubscription, SubscriptionType } from '../../definitions/ISubscription';
 import { IBaseScreen, IMessage, ISearchLocal, IUser } from '../../definitions';
-import { TSupportedThemes } from '../../theme';
 
 export interface IResult {
 	rid: string;
@@ -43,7 +42,6 @@ export interface ICreateDiscussionViewSelectChannel {
 	onChannelSelect: Function;
 	blockUnauthenticatedAccess: boolean;
 	serverVersion: string;
-	theme: TSupportedThemes;
 }
 
 export interface ICreateDiscussionViewSelectUsers {
@@ -54,5 +52,4 @@ export interface ICreateDiscussionViewSelectUsers {
 	onUserSelect: Function;
 	blockUnauthenticatedAccess: boolean;
 	serverVersion: string;
-	theme: TSupportedThemes;
 }

app/views/ForwardLivechatView.tsx

@@ -150,9 +150,9 @@ const ForwardLivechatView = ({ navigation, route }: IBaseScreen<ChatsStackParamL
 
 	return (
 		<View style={[styles.container, { backgroundColor: colors.auxiliaryBackground }]}>
-			<Input onPress={onPressDepartment} placeholder={I18n.t('Select_a_Department')} theme={theme} />
+			<Input onPress={onPressDepartment} placeholder={I18n.t('Select_a_Department')} />
 			<OrSeparator theme={theme} />
-			<Input onPress={onPressUser} placeholder={I18n.t('Select_a_User')} theme={theme} />
+			<Input onPress={onPressUser} placeholder={I18n.t('Select_a_User')} />
 		</View>
 	);
 };