Splash: reduce motion + dark mode (#2448)

* Don't use mask for android at all

* Handle reduced motion

* Add dark splash

* Add dark config

* Fix android version code

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

app.config.js

@@ -66,6 +66,12 @@ module.exports = function () {
             'Used for profile pictures, posts, and other kinds of content',
         },
         associatedDomains: ['applinks:bsky.app', 'applinks:staging.bsky.app'],
+        splash: {
+          dark: {
+            image: './assets/splash-dark.png',
+            backgroundColor: '#001429',
+          },
+        },
       },
       androidStatusBar: {
         barStyle: 'dark-content',
@@ -95,6 +101,12 @@ module.exports = function () {
             category: ['BROWSABLE', 'DEFAULT'],
           },
         ],
+        splash: {
+          dark: {
+            image: './assets/splash-dark.png',
+            backgroundColor: '#001429',
+          },
+        },
       },
       web: {
         favicon: './assets/favicon.png',

src/Splash.tsx

@@ -1,5 +1,11 @@
 import React, {useCallback, useEffect} from 'react'
-import {View, StyleSheet, Image as RNImage} from 'react-native'
+import {
+  View,
+  StyleSheet,
+  Image as RNImage,
+  AccessibilityInfo,
+  useColorScheme,
+} from 'react-native'
 import * as SplashScreen from 'expo-splash-screen'
 import {Image} from 'expo-image'
 import Animated, {
@@ -15,10 +21,17 @@ import {useSafeAreaInsets} from 'react-native-safe-area-context'
 import Svg, {Path, SvgProps} from 'react-native-svg'
 
 import {isAndroid} from '#/platform/detection'
+import {useColorMode} from 'state/shell'
+import {colors} from '#/lib/styles'
 
 // @ts-ignore
 import splashImagePointer from '../assets/splash.png'
+// @ts-ignore
+import darkSplashImagePointer from '../assets/splash-dark.png'
 const splashImageUri = RNImage.resolveAssetSource(splashImagePointer).uri
+const darkSplashImageUri = RNImage.resolveAssetSource(
+  darkSplashImagePointer,
+).uri
 
 export const Logo = React.forwardRef(function LogoImpl(props: SvgProps, ref) {
   const width = 1000
@@ -29,9 +42,9 @@ export const Logo = React.forwardRef(function LogoImpl(props: SvgProps, ref) {
       // @ts-ignore it's fiiiiine
       ref={ref}
       viewBox="0 0 64 66"
-      style={{width, height}}>
+      style={[{width, height}, props.style]}>
       <Path
-        fill="#fff"
+        fill={props.fill || '#fff'}
         d="M13.873 3.77C21.21 9.243 29.103 20.342 32 26.3v15.732c0-.335-.13.043-.41.858-1.512 4.414-7.418 21.642-20.923 7.87-7.111-7.252-3.819-14.503 9.125-16.692-7.405 1.252-15.73-.817-18.014-8.93C1.12 22.804 0 8.431 0 6.488 0-3.237 8.579-.18 13.873 3.77ZM50.127 3.77C42.79 9.243 34.897 20.342 32 26.3v15.732c0-.335.13.043.41.858 1.512 4.414 7.418 21.642 20.923 7.87 7.111-7.252 3.819-14.503-9.125-16.692 7.405 1.252 15.73-.817 18.014-8.93C62.88 22.804 64 8.431 64 6.488 64-3.237 55.422-.18 50.127 3.77Z"
       />
     </Svg>
@@ -53,7 +66,19 @@ export function Splash(props: React.PropsWithChildren<Props>) {
   const [isAnimationComplete, setIsAnimationComplete] = React.useState(false)
   const [isImageLoaded, setIsImageLoaded] = React.useState(false)
   const [isLayoutReady, setIsLayoutReady] = React.useState(false)
-  const isReady = props.isReady && isImageLoaded && isLayoutReady
+  const [reduceMotion, setReduceMotion] = React.useState<boolean | undefined>(
+    false,
+  )
+  const isReady =
+    props.isReady &&
+    isImageLoaded &&
+    isLayoutReady &&
+    reduceMotion !== undefined
+
+  const colorMode = useColorMode()
+  const colorScheme = useColorScheme()
+  const themeName = colorMode === 'system' ? colorScheme : colorMode
+  const isDarkMode = themeName === 'dark'
 
   const logoAnimation = useAnimatedStyle(() => {
     return {
@@ -73,6 +98,17 @@ export function Splash(props: React.PropsWithChildren<Props>) {
       opacity: interpolate(intro.value, [0, 1], [0, 1], 'clamp'),
     }
   })
+  const reducedLogoAnimation = useAnimatedStyle(() => {
+    return {
+      transform: [
+        {
+          scale: interpolate(intro.value, [0, 1], [0.8, 1], 'clamp'),
+        },
+      ],
+      opacity: interpolate(intro.value, [0, 1], [0, 1], 'clamp'),
+    }
+  })
+
   const logoWrapperAnimation = useAnimatedStyle(() => {
     return {
       opacity: interpolate(
@@ -137,71 +173,85 @@ export function Splash(props: React.PropsWithChildren<Props>) {
     }
   }, [onFinish, intro, outroLogo, outroApp, outroAppOpacity, isReady])
 
+  useEffect(() => {
+    AccessibilityInfo.isReduceMotionEnabled().then(setReduceMotion)
+  }, [])
+
+  const logoAnimations =
+    reduceMotion === true ? reducedLogoAnimation : logoAnimation
+
   return (
     <View style={{flex: 1}} onLayout={onLayout}>
       {!isAnimationComplete && (
         <Image
           accessibilityIgnoresInvertColors
           onLoadEnd={onLoadEnd}
-          source={{uri: splashImageUri}}
+          source={{uri: isDarkMode ? darkSplashImageUri : splashImageUri}}
           style={StyleSheet.absoluteFillObject}
         />
       )}
 
-      {isAndroid ? (
+      {isReady &&
-        // Use a simple fade on older versions of android (work around a bug)
+        (isAndroid || reduceMotion === true ? (
-        <>
+          // Use a simple fade on older versions of android (work around a bug)
-          <Animated.View style={[{flex: 1}, appAnimation]}>
+          <>
-            {props.children}
+            <Animated.View style={[{flex: 1}, appAnimation]}>
-          </Animated.View>
+              {props.children}
+            </Animated.View>
 
-          {!isAnimationComplete && (
+            {!isAnimationComplete && (
-            <Animated.View
+              <Animated.View
-              style={[
+                style={[
-                StyleSheet.absoluteFillObject,
+                  StyleSheet.absoluteFillObject,
-                logoWrapperAnimation,
+                  logoWrapperAnimation,
-                {
+                  {
-                  flex: 1,
+                    flex: 1,
-                  justifyContent: 'center',
+                    justifyContent: 'center',
-                  alignItems: 'center',
+                    alignItems: 'center',
-                  transform: [{translateY: -(insets.top / 2)}, {scale: 0.1}], // scale from 1000px to 100px
+                    transform: [{translateY: -(insets.top / 2)}, {scale: 0.1}], // scale from 1000px to 100px
-                },
+                  },
-              ]}>
+                ]}>
-              <AnimatedLogo style={[{opacity: 0}, logoAnimation]} />
+                <AnimatedLogo
+                  fill={isDarkMode ? colors.blue3 : '#fff'}
+                  style={[{opacity: 0}, logoAnimations]}
+                />
+              </Animated.View>
+            )}
+          </>
+        ) : (
+          <MaskedView
+            style={[StyleSheet.absoluteFillObject]}
+            maskElement={
+              <Animated.View
+                style={[
+                  {
+                    // Transparent background because mask is based off alpha channel.
+                    backgroundColor: 'transparent',
+                    flex: 1,
+                    justifyContent: 'center',
+                    alignItems: 'center',
+                    transform: [{translateY: -(insets.top / 2)}, {scale: 0.1}], // scale from 1000px to 100px
+                  },
+                ]}>
+                <AnimatedLogo
+                  fill={isDarkMode ? colors.blue3 : '#fff'}
+                  style={[logoAnimations]}
+                />
+              </Animated.View>
+            }>
+            {!isAnimationComplete && (
+              <View
+                style={[
+                  StyleSheet.absoluteFillObject,
+                  {backgroundColor: isDarkMode ? colors.blue3 : '#fff'},
+                ]}
+              />
+            )}
+            <Animated.View style={[{flex: 1}, appAnimation]}>
+              {props.children}
             </Animated.View>
-          )}
+          </MaskedView>
-        </>
+        ))}
-      ) : (
-        <MaskedView
-          style={[StyleSheet.absoluteFillObject]}
-          maskElement={
-            <Animated.View
-              style={[
-                {
-                  // Transparent background because mask is based off alpha channel.
-                  backgroundColor: 'transparent',
-                  flex: 1,
-                  justifyContent: 'center',
-                  alignItems: 'center',
-                  transform: [{translateY: -(insets.top / 2)}, {scale: 0.1}], // scale from 1000px to 100px
-                },
-              ]}>
-              <AnimatedLogo style={[logoAnimation]} />
-            </Animated.View>
-          }>
-          {!isAnimationComplete && (
-            <View
-              style={[
-                StyleSheet.absoluteFillObject,
-                {backgroundColor: 'white'},
-              ]}
-            />
-          )}
-          <Animated.View style={[{flex: 1}, appAnimation]}>
-            {props.children}
-          </Animated.View>
-        </MaskedView>
-      )}
     </View>
   )
 }