resolve animation issue, animate alt text expansion

modules/expo-selectable-text/ios/ExpoUITextView.swift

@@ -59,14 +59,24 @@ class ExpoUITextView: ExpoView {
     }
   }
 
+  // Just return the subviews
   override func reactSubviews() -> [UIView]! {
     return subviews
   }
 
-  override func didMoveToWindow() {
+  // Get children on update
+  override func didUpdateReactSubviews() {
     self.getTextChildren()
   }
 
+  // For animation issues
+  // See: https://github.com/facebook/react-native/blob/258d8e51b451b221e557dad4647cbd210fe37392/packages/react-native/Libraries/Text/Text/RCTTextView.mm#L66
+  override func reactSetFrame(_ frame: CGRect) {
+    UIView.performWithoutAnimation {
+      super.reactSetFrame(frame)
+    }
+  }
+
   override func layoutSubviews() {
     // Get the width from the bounds
     let maxWidth = bounds.width

src/view/com/lightbox/Lightbox.tsx

@@ -1,5 +1,5 @@
 import React from 'react'
-import {StyleSheet, View} from 'react-native'
+import {LayoutAnimation, StyleSheet, View} from 'react-native'
 import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
 import ImageView from './ImageViewing'
 import {shareImageModal, saveImageToMediaLibrary} from 'lib/media/manip'
@@ -110,7 +110,13 @@ function LightboxFooter({imageIndex}: {imageIndex: number}) {
             style={[s.gray3]}
             numberOfLines={isAltExpanded ? undefined : 3}
             selectable
-            onPress={() => setAltExpanded(prev => !prev)}>
+            onPress={() => {
+              LayoutAnimation.configureNext({
+                duration: 300,
+                update: {type: 'spring', springDamping: 0.7},
+              })
+              setAltExpanded(prev => !prev)
+            }}>
             {altText}
           </Text>
         </View>