Refactor dimension handling

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/app.tsx

@@ -3,17 +3,18 @@ import { AppState, StatusBar, useColorScheme } from 'react-native';
 import { PaperProvider } from 'react-native-paper';
 import { SafeAreaProvider } from 'react-native-safe-area-context';
 import { RealmProvider } from '@realm/react';
-import { Provider } from 'react-redux';
+import { Provider as ReduxProvider } from 'react-redux';
 import { PersistGate } from 'redux-persist/integration/react';
 import type {} from 'redux-thunk/extend-redux';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
 import { lightTheme, darkTheme } from './theme';
 import { Meme, Tag } from './database';
 import NavigationContainer from './navigation';
 import { store, persistor, validateSettings } from './state';
 import { LoadingView } from './components';
 import { Welcome } from './screens';
-import { GestureHandlerRootView } from 'react-native-gesture-handler';
 import styles from './styles';
+import { DimensionsProvider } from './contexts';
 
 const App = () => {
   const [showWelcome, setShowWelcome] = useState(false);
@@ -43,28 +44,30 @@ const App = () => {
 
   return (
     <PaperProvider theme={theme}>
-      <Provider store={store}>
-        <PersistGate
-          loading={<LoadingView />}
-          persistor={persistor}
-          onBeforeLift={onBeforeLift}>
-          <RealmProvider schema={[Meme, Tag]}>
-            <GestureHandlerRootView style={styles.flex}>
-              <SafeAreaProvider>
-                <StatusBar
-                  barStyle={isDarkMode ? 'light-content' : 'dark-content'}
-                  backgroundColor={theme.colors.background}
-                />
-                {showWelcome ? (
-                  <Welcome onWelcomeComplete={() => setShowWelcome(false)} />
-                ) : (
-                  <NavigationContainer />
-                )}
-              </SafeAreaProvider>
-            </GestureHandlerRootView>
-          </RealmProvider>
-        </PersistGate>
-      </Provider>
+      <DimensionsProvider>
+        <ReduxProvider store={store}>
+          <PersistGate
+            loading={<LoadingView />}
+            persistor={persistor}
+            onBeforeLift={onBeforeLift}>
+            <RealmProvider schema={[Meme, Tag]}>
+              <GestureHandlerRootView style={styles.flex}>
+                <SafeAreaProvider>
+                  <StatusBar
+                    barStyle={isDarkMode ? 'light-content' : 'dark-content'}
+                    backgroundColor={theme.colors.background}
+                  />
+                  {showWelcome ? (
+                    <Welcome onWelcomeComplete={() => setShowWelcome(false)} />
+                  ) : (
+                    <NavigationContainer />
+                  )}
+                </SafeAreaProvider>
+              </GestureHandlerRootView>
+            </RealmProvider>
+          </PersistGate>
+        </ReduxProvider>
+      </DimensionsProvider>
     </PaperProvider>
   );
 };

src/components/floatingActionButton.tsx

@@ -1,24 +1,22 @@
-import * as React from 'react';
+import React, { useEffect, useState } from 'react';
 import { StyleSheet, Keyboard } from 'react-native';
-import { FAB, Portal } from 'react-native-paper';
-import { horizontalScale, verticalScale } from '../styles';
+import { FAB } from 'react-native-paper';
 import { ParamListBase, useNavigation } from '@react-navigation/native';
 import { NativeStackNavigationProp } from '@react-navigation/native-stack';
-import { useEffect, useState } from 'react';
+import { useDimensions } from '../contexts';
 
 const styles = StyleSheet.create({
   fab: {
     position: 'absolute',
-    right: horizontalScale(10),
-    bottom: verticalScale(75),
   },
 });
 
 const FloatingActionButton = ({ visible = true }: { visible?: boolean }) => {
-  const [state, setState] = useState(false);
   const { navigate } =
     useNavigation<NativeStackNavigationProp<ParamListBase>>();
+  const dimensions = useDimensions();
 
+  const [state, setState] = useState(false);
   const [keyboardOpen, setKeyboardOpen] = useState(false);
   useEffect(() => {
     const keyboardDidShowListener = Keyboard.addListener(
@@ -37,35 +35,39 @@ const FloatingActionButton = ({ visible = true }: { visible?: boolean }) => {
   }, []);
 
   return (
-    <Portal>
-      <FAB.Group
-        open={state}
-        visible={visible && !keyboardOpen}
-        icon={state ? 'image' : 'plus'}
-        actions={[
-          {
-            icon: 'tag',
-            label: 'Tag',
-            onPress: () => navigate('Add Tag'),
-          },
-          {
-            icon: 'note-text',
-            label: 'Text',
-            onPress: () => navigate('Add Meme'),
-          },
-          {
-            icon: 'image-album',
-            label: 'Album',
-            onPress: () => navigate('Add Meme'),
-          },
-        ]}
-        onStateChange={({ open }) => setState(open)}
-        onPress={() => {
-          if (state) navigate('Add Meme');
-        }}
-        style={styles.fab}
-      />
-    </Portal>
+    <FAB.Group
+      open={state}
+      visible={visible && !keyboardOpen}
+      icon={state ? 'image' : 'plus'}
+      actions={[
+        {
+          icon: 'tag',
+          label: 'Tag',
+          onPress: () => navigate('Add Tag'),
+        },
+        {
+          icon: 'note-text',
+          label: 'Text',
+          onPress: () => navigate('Add Meme'),
+        },
+        {
+          icon: 'image-album',
+          label: 'Album',
+          onPress: () => navigate('Add Meme'),
+        },
+      ]}
+      onStateChange={({ open }) => setState(open)}
+      onPress={() => {
+        if (state) navigate('Add Meme');
+      }}
+      style={[
+        styles.fab,
+        {
+          paddingRight: dimensions.responsive.horizontalScale(10),
+          paddingBottom: dimensions.responsive.verticalScale(75),
+        },
+      ]}
+    />
   );
 };
 

src/components/index.ts

@@ -1,3 +1,5 @@
 export { default as FloatingActionButton } from './floatingActionButton';
 export { default as LoadingView } from './loadingView';
-export { default as PaddedView } from './paddedView';
+export { default as RootScrollView } from './rootScrollView';
+export { default as RootView } from './rootView';
+export { default as TagPreview } from './tagPreview';

src/components/loadingView.tsx

@@ -1,15 +1,15 @@
 import React from 'react';
 import { ActivityIndicator } from 'react-native';
 import { useTheme } from 'react-native-paper';
-import PaddedView from './paddedView';
+import { RootView } from '.';
 
 const LoadingView = () => {
   const { colors } = useTheme();
 
   return (
-    <PaddedView centered>
+    <RootView centered>
       <ActivityIndicator size="large" color={colors.primary} />
-    </PaddedView>
+    </RootView>
   );
 };
 

src/components/rootScrollView.tsx

@@ -0,0 +1,37 @@
+import React, { ReactNode } from 'react';
+import {
+  StyleProp,
+  ScrollView,
+  ViewStyle,
+} from 'react-native';
+import { useTheme } from 'react-native-paper';
+import styles from '../styles';
+
+const RootScrollView = ({
+  children,
+  style,
+  centered,
+  padded,
+}: {
+  children: ReactNode;
+  style?: StyleProp<ViewStyle>;
+  centered?: boolean;
+  padded?: boolean;
+}) => {
+  const { colors } = useTheme();
+
+  return (
+    <ScrollView
+      contentContainerStyle={[
+        padded && styles.padding,
+        centered && [styles.centered, styles.flex],
+        { backgroundColor: colors.background },
+        style,
+      ]}
+      nestedScrollEnabled>
+      {children}
+    </ScrollView>
+  );
+};
+
+export default RootScrollView;

src/components/rootView.tsx

@@ -3,22 +3,24 @@ import { StyleProp, View, ViewStyle } from 'react-native';
 import { useTheme } from 'react-native-paper';
 import styles from '../styles';
 
-const PaddedView = ({
+const RootView = ({
   children,
   style,
   centered,
+  padded,
 }: {
   children: ReactNode;
   style?: StyleProp<ViewStyle>;
   centered?: boolean;
+  padded?: boolean;
 }) => {
   const { colors } = useTheme();
 
   return (
     <View
       style={[
-        styles.padding,
-        centered && styles.centered,
+        padded && styles.padding,
+        centered && [styles.centered, styles.flex],
         { backgroundColor: colors.background },
         style,
       ]}>
@@ -27,4 +29,4 @@ const PaddedView = ({
   );
 };
 
-export default PaddedView;
+export default RootView;

src/components/tagPreview.tsx

@@ -0,0 +1,48 @@
+import React from 'react';
+import { View } from 'react-native';
+import FontAwesome5 from 'react-native-vector-icons/FontAwesome5';
+import { Chip } from 'react-native-paper';
+import styles from '../styles';
+import { useDimensions } from '../contexts';
+import { getContrastColor } from '../utilities';
+
+const TagPreview = (properties: { name: string; color: string }) => {
+  const dimensions = useDimensions();
+
+  return (
+    <View
+      style={[
+        styles.centeredHorizontal,
+        styles.flexRow,
+        {
+          margin: dimensions.responsive.verticalScale(50),
+        },
+      ]}>
+      <Chip
+        icon={() => {
+          return (
+            <FontAwesome5
+              name="tag"
+              size={dimensions.static.horizontalScale(12)}
+              color={getContrastColor(properties.color)}
+            />
+          );
+        }}
+        elevated
+        style={[
+          {
+            backgroundColor: properties.color,
+            padding: dimensions.static.verticalScale(5),
+          },
+        ]}
+        textStyle={[
+          { fontSize: dimensions.static.horizontalScale(15) },
+          { color: getContrastColor(properties.color) },
+        ]}>
+        {'#' + properties.name}
+      </Chip>
+    </View>
+  );
+};
+
+export default TagPreview;

src/contexts/dimensions.tsx

@@ -0,0 +1,90 @@
+import React, {
+  ReactNode,
+  createContext,
+  useContext,
+  useEffect,
+  useState,
+} from 'react';
+import { Dimensions, ScaledSize } from 'react-native';
+
+const guidelineBaseWidth = 350;
+const guidelineBaseHeight = 680;
+
+interface ScaleFunctions {
+  horizontalScale: (size: number) => number;
+  verticalScale: (size: number) => number;
+  moderateScale: (size: number, factor?: number) => number;
+}
+
+interface DimensionsContext {
+  orientation: 'portrait' | 'landscape';
+  responsive: ScaleFunctions;
+  static: ScaleFunctions;
+}
+
+const createScaleFunctions = (dimensionsIn: ScaledSize) => {
+  const horizontalScale = (size: number) =>
+    (dimensionsIn.width / guidelineBaseWidth) * size;
+  const verticalScale = (size: number) =>
+    (dimensionsIn.height / guidelineBaseHeight) * size;
+  const moderateScale = (size: number, factor = 0.5) =>
+    size + (horizontalScale(size) - size) * factor;
+
+  return { horizontalScale, verticalScale, moderateScale };
+};
+
+const DimensionsContext = createContext<DimensionsContext | undefined>(
+  undefined,
+);
+
+const DimensionsProvider = ({ children }: { children: ReactNode }) => {
+  const [dimensions, setDimensions] = useState(Dimensions.get('window'));
+  const orientation =
+    dimensions.width > dimensions.height ? 'landscape' : 'portrait';
+
+  const [initialDimensions, setInitialDimensions] = useState(dimensions);
+  const [initialOrientation] = useState(orientation);
+
+  if (initialOrientation === 'landscape') {
+    setInitialDimensions({
+      width: initialDimensions.height,
+      height: initialDimensions.width,
+    } as ScaledSize);
+  }
+
+  const responsiveScale = createScaleFunctions(dimensions);
+  const staticScale = createScaleFunctions(initialDimensions);
+
+  useEffect(() => {
+    const onChange = ({ window }: { window: ScaledSize }) => {
+      setDimensions(window);
+    };
+
+    const subscription = Dimensions.addEventListener('change', onChange);
+
+    return () => {
+      subscription.remove();
+    };
+  }, []);
+
+  return (
+    <DimensionsContext.Provider
+      value={{
+        orientation,
+        responsive: responsiveScale,
+        static: staticScale,
+      }}>
+      {children}
+    </DimensionsContext.Provider>
+  );
+};
+
+const useDimensions = (): DimensionsContext => {
+  const context = useContext(DimensionsContext);
+  if (!context) {
+    throw new Error('useDimensions must be used within a DimensionsProvider');
+  }
+  return context;
+};
+
+export { DimensionsProvider, useDimensions };

src/contexts/index.ts

@@ -0,0 +1 @@
+export { DimensionsProvider, useDimensions } from './dimensions';

src/navigation.tsx

@@ -6,91 +6,87 @@ import {
 import FontAwesome5 from 'react-native-vector-icons/FontAwesome5';
 import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
 import { createNativeStackNavigator } from '@react-navigation/native-stack';
-import { BottomNavigation, Portal, useTheme } from 'react-native-paper';
+import { BottomNavigation, useTheme } from 'react-native-paper';
 import { Home, Tags, Settings, AddMeme, AddTag } from './screens';
-import { horizontalScale } from './styles';
-import { FloatingActionButton } from './components';
 import { darkNavigationTheme, lightNavigationTheme } from './theme';
+import { useDimensions } from './contexts';
+import { FloatingActionButton } from './components';
 
 const TabNavigator = () => {
+  const dimensions = useDimensions();
+
   const TabNavigatorBase = createBottomTabNavigator();
-  const [fabVisible, setFabVisible] = React.useState(true);
 
   return (
     <>
-      <Portal.Host>
-        <TabNavigatorBase.Navigator
-          screenOptions={{
-            headerShown: false,
-          }}
-          tabBar={({ navigation, state, descriptors, insets }) => (
-            <BottomNavigation.Bar
-              navigationState={state}
-              safeAreaInsets={insets}
-              onTabPress={({ route, preventDefault }) => {
-                const event = navigation.emit({
-                  type: 'tabPress',
-                  target: route.key,
-                  canPreventDefault: true,
+      <TabNavigatorBase.Navigator
+        screenOptions={{
+          headerShown: false,
+        }}
+        tabBar={({ navigation, state, descriptors, insets }) => (
+          <BottomNavigation.Bar
+            navigationState={state}
+            safeAreaInsets={insets}
+            onTabPress={({ route, preventDefault }) => {
+              const event = navigation.emit({
+                type: 'tabPress',
+                target: route.key,
+                canPreventDefault: true,
+              });
+              if (event.defaultPrevented) {
+                preventDefault();
+              } else {
+                navigation.dispatch({
+                  ...CommonActions.navigate(route.name, route.params),
+                  target: state.key,
                 });
-                if (event.defaultPrevented) {
-                  preventDefault();
-                } else {
-                  navigation.dispatch({
-                    ...CommonActions.navigate(route.name, route.params),
-                    target: state.key,
-                  });
-                }
-                route.name === 'Settings'
-                  ? setFabVisible(false)
-                  : setFabVisible(true);
-              }}
-              renderIcon={({ route, focused, color }) => {
-                const { options } = descriptors[route.key];
-                if (options.tabBarIcon) {
-                  return options.tabBarIcon({
-                    focused,
-                    color,
-                    size: horizontalScale(20),
-                  });
-                }
-              }}
-              getLabelText={({ route }) => {
-                const { options } = descriptors[route.key];
-                return options.title ?? route.name;
-              }}
-            />
-          )}>
-          <TabNavigatorBase.Screen
-            name="Home"
-            component={Home}
-            options={{
-              tabBarIcon: ({ color, size }) => (
-                <FontAwesome5 name="home" color={color} size={size} />
-              ),
+              }
+            }}
+            renderIcon={({ route, focused, color }) => {
+              const { options } = descriptors[route.key];
+              if (options.tabBarIcon) {
+                return options.tabBarIcon({
+                  focused,
+                  color,
+                  size: dimensions.static.horizontalScale(20),
+                });
+              }
+            }}
+            getLabelText={({ route }) => {
+              const { options } = descriptors[route.key];
+              return options.title ?? route.name;
             }}
           />
-          <TabNavigatorBase.Screen
-            name="Tags"
-            component={Tags}
-            options={{
-              tabBarIcon: ({ color, size }) => (
-                <FontAwesome5 name="tags" color={color} size={size} />
-              ),
-            }}
-          />
-          <TabNavigatorBase.Screen
-            name="Settings"
-            component={Settings}
-            options={{
-              tabBarIcon: ({ color, size }) => (
-                <FontAwesome5 name="cog" color={color} size={size} />
-              ),
-            }}
-          />
-        </TabNavigatorBase.Navigator>
-        <FloatingActionButton visible={fabVisible} />
-      </Portal.Host>
+        )}>
+        <TabNavigatorBase.Screen
+          name="Home"
+          component={Home}
+          options={{
+            tabBarIcon: ({ color, size }) => (
+              <FontAwesome5 name="home" color={color} size={size} />
+            ),
+          }}
+        />
+        <TabNavigatorBase.Screen
+          name="Tags"
+          component={Tags}
+          options={{
+            tabBarIcon: ({ color, size }) => (
+              <FontAwesome5 name="tags" color={color} size={size} />
+            ),
+          }}
+        />
+        <TabNavigatorBase.Screen
+          name="Settings"
+          component={Settings}
+          options={{
+            tabBarIcon: ({ color, size }) => (
+              <FontAwesome5 name="cog" color={color} size={size} />
+            ),
+          }}
+        />
+      </TabNavigatorBase.Navigator>
+      <FloatingActionButton />
     </>
   );
 };

src/screens/addMeme.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import { Appbar, Text } from 'react-native-paper';
-import { PaddedView } from '../components';
+import { RootScrollView } from '../components';
 import { useNavigation } from '@react-navigation/native';
 
 const AddMeme = () => {
@@ -12,9 +12,9 @@ const AddMeme = () => {
         <Appbar.BackAction onPress={() => navigation.goBack()} />
         <Appbar.Content title="Add Meme" />
       </Appbar.Header>
-      <PaddedView centered>
+      <RootScrollView centered padded>
         <Text>Add Meme</Text>
-      </PaddedView>
+      </RootScrollView>
     </>
   );
 };

src/screens/addTag.tsx

@@ -1,37 +1,12 @@
 import React, { useState } from 'react';
-import { View, StyleSheet } from 'react-native';
-import {
-  Chip,
-  TextInput,
-  Appbar,
-  HelperText,
-  Button,
-} from 'react-native-paper';
+import { View } from 'react-native';
+import { TextInput, Appbar, HelperText, Button } from 'react-native-paper';
 import { useNavigation } from '@react-navigation/native';
 import { BSON } from 'realm';
 import { useRealm } from '@realm/react';
-import FontAwesome5 from 'react-native-vector-icons/FontAwesome5';
-import { PaddedView } from '../components';
-import styles, { horizontalScale, verticalScale } from '../styles';
-import {
-  generateRandomColor,
-  getContrastColor,
-  isValidColor,
-} from '../utilities';
-
-const tagStyles = StyleSheet.create({
-  preview: {
-    justifyContent: 'center',
-    flexDirection: 'row',
-    marginVertical: verticalScale(75),
-  },
-  chip: {
-    padding: horizontalScale(5),
-  },
-  chipText: {
-    fontSize: horizontalScale(15),
-  },
-});
+import { RootScrollView, TagPreview } from '../components';
+import styles from '../styles';
+import { generateRandomColor, isValidColor } from '../utilities';
 
 const AddTag = () => {
   const navigation = useNavigation();
@@ -87,34 +62,19 @@ const AddTag = () => {
         <Appbar.BackAction onPress={() => navigation.goBack()} />
         <Appbar.Content title="Add Tag" />
       </Appbar.Header>
-      <PaddedView style={[styles.flex, styles.flexColumnSpaceBetween]}>
-        <View>
-          <View style={[tagStyles.preview]}>
-            <Chip
-              icon={() => {
-                return (
-                  <FontAwesome5
-                    name="tag"
-                    size={horizontalScale(12)}
-                    color={getContrastColor(validatedTagColor)}
-                  />
-                );
-              }}
-              elevated
-              style={[tagStyles.chip, { backgroundColor: validatedTagColor }]}
-              textStyle={[
-                tagStyles.chipText,
-                { color: getContrastColor(validatedTagColor) },
-              ]}>
-              {'#' + tagName}
-            </Chip>
-          </View>
+      <RootScrollView
+        padded
+        style={[styles.flexGrow, styles.flexColumnSpaceBetween]}>
+        <View style={[styles.flex, styles.justifyStart]}>
+          <TagPreview name={tagName} color={validatedTagColor} />
           <TextInput
             mode="outlined"
             label="Tag Name"
             value={tagName}
             onChangeText={handleTagNameChange}
             error={!!tagNameError}
+            autoCapitalize="none"
+            selectTextOnFocus
           />
           <HelperText type="error" visible={!!tagNameError}>
             {tagNameError}
@@ -125,6 +85,7 @@ const AddTag = () => {
             value={tagColor}
             onChangeText={handleTagColorChange}
             error={!!tagColorError}
+            autoCorrect={false}
             right={
               <TextInput.Icon
                 icon="palette"
@@ -136,14 +97,16 @@ const AddTag = () => {
             {tagColorError}
           </HelperText>
         </View>
-        <Button
-          mode="contained"
-          icon="floppy"
-          onPress={handleSave}
-          disabled={!!tagNameError || !!tagColorError}>
-          Save
-        </Button>
-      </PaddedView>
+        <View style={[styles.flex, styles.justifyEnd]}>
+          <Button
+            mode="contained"
+            icon="floppy"
+            onPress={handleSave}
+            disabled={!!tagNameError || !!tagColorError}>
+            Save
+          </Button>
+        </View>
+      </RootScrollView>
     </>
   );
 };

src/screens/home.tsx

@@ -9,8 +9,8 @@ import {
   Searchbar,
 } from 'react-native-paper';
 import { useDispatch, useSelector } from 'react-redux';
-import { PaddedView } from '../components';
-import styles, { verticalScale } from '../styles';
+import { RootScrollView } from '../components';
+import styles from '../styles';
 import { SORT, SORT_DIRECTION } from '../types';
 import { getSortIcon, getViewIcon } from '../utilities';
 import {
@@ -23,10 +23,11 @@ import {
   setFilter,
 } from '../state';
 import { MEME_TYPE, memeTypePlural } from '../database';
+import { useDimensions } from '../contexts';
 
 const Home = () => {
   const theme = useTheme();
-
+  const dimensions = useDimensions();
   const sort = useSelector((state: RootState) => state.home.sort);
   const sortDirection = useSelector(
     (state: RootState) => state.home.sortDirection,
@@ -63,7 +64,7 @@ const Home = () => {
   const [search, setSearch] = useState('');
 
   return (
-    <PaddedView>
+    <RootScrollView padded>
       <Searchbar placeholder="Search" value={search} onChangeText={setSearch} />
       <View style={[styles.flexRowSpaceBetween, styles.centeredVertical]}>
         <View style={[styles.flexRow, styles.centeredVertical]}>
@@ -96,13 +97,13 @@ const Home = () => {
           <IconButton
             icon={getViewIcon(view)}
             iconColor={theme.colors.primary}
-            size={verticalScale(16)}
+            size={dimensions.static.verticalScale(16)}
             onPress={() => dispatch(cycleView())}
           />
           <IconButton
             icon={favoritesOnly ? 'heart' : 'heart-outline'}
             iconColor={theme.colors.primary}
-            size={verticalScale(16)}
+            size={dimensions.static.verticalScale(16)}
             onPress={() => dispatch(toggleFavoritesOnly())}
           />
           <Menu
@@ -113,7 +114,7 @@ const Home = () => {
                 onPress={() => setFilterMenuVisible(true)}
                 icon={filter ? 'filter' : 'filter-outline'}
                 iconColor={theme.colors.primary}
-                size={verticalScale(16)}
+                size={dimensions.static.verticalScale(16)}
               />
             }>
             <Menu.Item
@@ -138,7 +139,7 @@ const Home = () => {
         </View>
       </View>
       <Divider />
-    </PaddedView>
+    </RootScrollView>
   );
 };
 

src/screens/settings.tsx

@@ -4,18 +4,19 @@ import { Button, List, Snackbar, Switch, Text } from 'react-native-paper';
 import { useRealm } from '@realm/react';
 import { openDocumentTree } from 'react-native-scoped-storage';
 import { useDispatch, useSelector } from 'react-redux';
-import { PaddedView } from '../components';
+import { RootScrollView } from '../components';
 import styles from '../styles';
 import { Meme } from '../database';
 import { RootState, updateNoMedia, updateStorageUri } from '../state';
 import type {} from 'redux-thunk/extend-redux';
+import { useDimensions } from '../contexts';
 
 const SettingsScreen = () => {
-  const [optimizingDatabase, setOptimizingDatabase] = useState(false);
-
   const noMedia = useSelector((state: RootState) => state.settings.noMedia);
   const dispatch = useDispatch();
+  const dimensions = useDimensions();
 
+  const [optimizingDatabase, setOptimizingDatabase] = useState(false);
   const [snackbarVisible, setSnackbarVisible] = useState(false);
   const [snackbarMessage, setSnackbarMessage] = useState('');
 
@@ -45,13 +46,15 @@ const SettingsScreen = () => {
 
   return (
     <>
-      <PaddedView>
+      <RootScrollView padded>
         <View>
           <List.Section>
             <List.Subheader>Database</List.Subheader>
             <Button
               mode="elevated"
-              style={styles.marginBottom}
+              style={{
+                marginBottom: dimensions.responsive.verticalScale(15),
+              }}
               loading={optimizingDatabase}
               onPress={optimizeDatabase}>
               Optimize Database Now
@@ -61,7 +64,9 @@ const SettingsScreen = () => {
             <List.Subheader>Media Storage</List.Subheader>
             <Button
               mode="elevated"
-              style={styles.marginBottom}
+              style={{
+                marginBottom: dimensions.responsive.verticalScale(15),
+              }}
               onPress={async () => {
                 const { uri } = await openDocumentTree(true);
                 void dispatch(updateStorageUri(uri));
@@ -72,7 +77,9 @@ const SettingsScreen = () => {
               style={[
                 styles.flexRowSpaceBetween,
                 styles.smallPaddingHorizontal,
-                styles.marginBottom,
+                {
+                  marginBottom: dimensions.responsive.verticalScale(15),
+                },
               ]}>
               <Text>Hide media from gallery</Text>
               <Switch
@@ -84,7 +91,7 @@ const SettingsScreen = () => {
             </View>
           </List.Section>
         </View>
-      </PaddedView>
+      </RootScrollView>
       <Snackbar
         visible={snackbarVisible}
         onDismiss={() => setSnackbarVisible(false)}

src/screens/tags.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 
 import { Button, Text } from 'react-native-paper';
-import { PaddedView } from '../components';
+import { RootScrollView } from '../components';
 import { useQuery, useRealm } from '@realm/react';
 import { Tag, deleteAllTags } from '../database';
 
@@ -10,14 +10,14 @@ const Tags = () => {
   const tags = useQuery<Tag>('Tag');
 
   return (
-    <PaddedView centered>
+    <RootScrollView centered padded>
       {tags.map(tag => (
         <Text key={tag.id.toHexString()} style={{ color: tag.color }}>
           {tag.name}
         </Text>
       ))}
       <Button onPress={() => deleteAllTags(realm)}>Delete All Tags</Button>
-    </PaddedView>
+    </RootScrollView>
   );
 };
 

src/screens/welcome.tsx

@@ -2,13 +2,15 @@ import React from 'react';
 import { Button, Text } from 'react-native-paper';
 import { useDispatch } from 'react-redux';
 import { openDocumentTree } from 'react-native-scoped-storage';
-import { PaddedView } from '../components';
+import { RootView } from '../components';
 import styles from '../styles';
 import { noOp } from '../utilities';
 import { updateStorageUri } from '../state';
+import { useDimensions } from '../contexts';
 
 const Welcome = ({ onWelcomeComplete }: { onWelcomeComplete: () => void }) => {
   const dispatch = useDispatch();
+  const dimensions = useDimensions();
 
   const selectStorageLocation = async () => {
     const uri = await openDocumentTree(true).catch(noOp);
@@ -18,19 +20,26 @@ const Welcome = ({ onWelcomeComplete }: { onWelcomeComplete: () => void }) => {
   };
 
   return (
-    <PaddedView centered>
+    <RootView centered padded>
       <Text
         variant="displayMedium"
-        style={[styles.bigMarginBottom, styles.centerText]}>
+        style={[
+          {
+            marginBottom: dimensions.responsive.verticalScale(30),
+          },
+          styles.centerText,
+        ]}>
         Welcome to Terminally Online!
       </Text>
       <Button
         mode="contained"
         onPress={selectStorageLocation}
-        style={styles.extremeMarginBottom}>
+        style={{
+          marginBottom: dimensions.responsive.verticalScale(100),
+        }}>
         Select Storage Location
       </Button>
-    </PaddedView>
+    </RootView>
   );
 };
 

src/styles.tsx

@@ -1,24 +1,8 @@
-import { StyleSheet, Dimensions } from 'react-native';
-
-const { width, height } = Dimensions.get('window');
-
-const guidelineBaseWidth = 350;
-const guidelineBaseHeight = 680;
-
-const horizontalScale = (size: number) => (width / guidelineBaseWidth) * size;
-const verticalScale = (size: number) => (height / guidelineBaseHeight) * size;
-const moderateScale = (size: number, factor = 0.5) =>
-  size + (horizontalScale(size) - size) * factor;
+import { StyleSheet } from 'react-native';
 
 const styles = StyleSheet.create({
-  marginBottom: {
-    marginBottom: verticalScale(15),
-  },
-  bigMarginBottom: {
-    marginBottom: verticalScale(30),
-  },
-  extremeMarginBottom: {
-    marginBottom: verticalScale(100),
+  smallPadding: {
+    padding: '2.5%',
   },
   padding: {
     padding: '5%',
@@ -27,19 +11,24 @@ const styles = StyleSheet.create({
     paddingHorizontal: '2.5%',
   },
   centered: {
-    flex: 1,
     justifyContent: 'center',
     alignItems: 'center',
   },
   centeredVertical: {
     alignItems: 'center',
   },
+  centeredHorizontal: {
+    justifyContent: 'center',
+  },
   centerText: {
     textAlign: 'center',
   },
   flex: {
     flex: 1,
   },
+  flexGrow: {
+    flexGrow: 1,
+  },
   flexRow: {
     flexDirection: 'row',
   },
@@ -57,6 +46,12 @@ const styles = StyleSheet.create({
   flexRowReverse: {
     flexDirection: 'row-reverse',
   },
+  justifyStart: {
+    justifyContent: 'flex-start',
+  },
+  justifyEnd: {
+    justifyContent: 'flex-end',
+  },
 });
 
-export { horizontalScale, verticalScale, moderateScale, styles as default };
+export default styles;