Switch to react-native default animation tools for composer and post controls

src/view/com/composer/Autocomplete.tsx

@@ -1,16 +1,12 @@
 import React, {useEffect} from 'react'
 import {
-  useWindowDimensions,
+  Animated,
   Text,
   TouchableOpacity,
   StyleSheet,
+  useWindowDimensions,
 } from 'react-native'
-import Animated, {
-  useSharedValue,
-  useAnimatedStyle,
-  withTiming,
-  interpolate,
-} from 'react-native-reanimated'
+import {useAnimatedValue} from '../../lib/useAnimatedValue'
 import {colors} from '../../lib/styles'
 
 interface AutocompleteItem {
@@ -28,23 +24,22 @@ export function Autocomplete({
   onSelect: (item: string) => void
 }) {
   const winDim = useWindowDimensions()
-  const positionInterp = useSharedValue<number>(0)
+  const positionInterp = useAnimatedValue(0)
 
   useEffect(() => {
-    if (active) {
-      positionInterp.value = withTiming(1, {duration: 250})
-    } else {
-      positionInterp.value = withTiming(0, {duration: 250})
-    }
+    Animated.timing(positionInterp, {
+      toValue: active ? 1 : 0,
+      duration: 200,
+      useNativeDriver: false,
+    }).start()
   }, [positionInterp, active])
 
-  const topAnimStyle = useAnimatedStyle(() => ({
-    top: interpolate(
-      positionInterp.value,
-      [0, 1.0],
-      [winDim.height, winDim.height / 4],
-    ),
-  }))
+  const topAnimStyle = {
+    top: positionInterp.interpolate({
+      inputRange: [0, 1],
+      outputRange: [winDim.height, winDim.height / 4],
+    }),
+  }
   return (
     <Animated.View style={[styles.outer, topAnimStyle]}>
       {items.map((item, i) => (

src/view/com/util/PostCtrls.tsx

@@ -1,15 +1,9 @@
 import React from 'react'
-import {StyleSheet, Text, TouchableOpacity, View} from 'react-native'
-import Animated, {
-  useSharedValue,
-  useAnimatedStyle,
-  withDelay,
-  withTiming,
-  interpolate,
-} from 'react-native-reanimated'
+import {Animated, StyleSheet, Text, TouchableOpacity, View} from 'react-native'
 import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
 import {UpIcon, UpIconSolid} from '../../lib/icons'
 import {s, colors} from '../../lib/styles'
+import {useAnimatedValue} from '../../lib/useAnimatedValue'
 
 interface PostCtrlsOpts {
   big?: boolean
@@ -28,31 +22,71 @@ const sRedgray = {color: redgray}
 const HITSLOP = {top: 10, left: 10, bottom: 10, right: 10}
 
 export function PostCtrls(opts: PostCtrlsOpts) {
-  const interp1 = useSharedValue<number>(0)
-  const interp2 = useSharedValue<number>(0)
+  const interp1 = useAnimatedValue(0)
+  const interp2 = useAnimatedValue(0)
 
-  const anim1Style = useAnimatedStyle(() => ({
-    transform: [{scale: interpolate(interp1.value, [0, 1.0], [1.0, 4.0])}],
-    opacity: interpolate(interp1.value, [0, 1.0], [1.0, 0.0]),
-  }))
-  const anim2Style = useAnimatedStyle(() => ({
-    transform: [{scale: interpolate(interp2.value, [0, 1.0], [1.0, 4.0])}],
-    opacity: interpolate(interp2.value, [0, 1.0], [1.0, 0.0]),
-  }))
+  const anim1Style = {
+    transform: [
+      {
+        scale: interp1.interpolate({
+          inputRange: [0, 1.0],
+          outputRange: [1.0, 4.0],
+        }),
+      },
+    ],
+    opacity: interp1.interpolate({
+      inputRange: [0, 1.0],
+      outputRange: [1.0, 0.0],
+    }),
+  }
+  const anim2Style = {
+    transform: [
+      {
+        scale: interp2.interpolate({
+          inputRange: [0, 1.0],
+          outputRange: [1.0, 4.0],
+        }),
+      },
+    ],
+    opacity: interp2.interpolate({
+      inputRange: [0, 1.0],
+      outputRange: [1.0, 0.0],
+    }),
+  }
 
   const onPressToggleRepostWrapper = () => {
     if (!opts.isReposted) {
-      interp1.value = withTiming(1, {duration: 400}, () => {
-        interp1.value = withDelay(100, withTiming(0, {duration: 20}))
-      })
+      Animated.sequence([
+        Animated.timing(interp1, {
+          toValue: 1,
+          duration: 400,
+          useNativeDriver: true,
+        }),
+        Animated.delay(100),
+        Animated.timing(interp1, {
+          toValue: 0,
+          duration: 20,
+          useNativeDriver: true,
+        }),
+      ]).start()
     }
     opts.onPressToggleRepost()
   }
   const onPressToggleUpvoteWrapper = () => {
     if (!opts.isUpvoted) {
-      interp2.value = withTiming(1, {duration: 400}, () => {
-        interp2.value = withDelay(100, withTiming(0, {duration: 20}))
-      })
+      Animated.sequence([
+        Animated.timing(interp2, {
+          toValue: 1,
+          duration: 400,
+          useNativeDriver: true,
+        }),
+        Animated.delay(100),
+        Animated.timing(interp2, {
+          toValue: 0,
+          duration: 20,
+          useNativeDriver: true,
+        }),
+      ]).start()
     }
     opts.onPressToggleUpvote()
   }

src/view/lib/useAnimatedValue.ts

@@ -0,0 +1,12 @@
+import * as React from 'react'
+import {Animated} from 'react-native'
+
+export function useAnimatedValue(initialValue: number) {
+  const lazyRef = React.useRef<Animated.Value>()
+
+  if (lazyRef.current === undefined) {
+    lazyRef.current = new Animated.Value(initialValue)
+  }
+
+  return lazyRef.current as Animated.Value
+}

src/view/shell/mobile/Composer.tsx

@@ -1,15 +1,9 @@
 import React, {useEffect} from 'react'
 import {observer} from 'mobx-react-lite'
-import {StyleSheet, View} from 'react-native'
-import Animated, {
-  useSharedValue,
-  useAnimatedStyle,
-  withTiming,
-  interpolate,
-  Easing,
-} from 'react-native-reanimated'
+import {Animated, Easing, StyleSheet, View} from 'react-native'
 import {ComposePost} from '../../com/composer/ComposePost'
 import {ComposerOpts} from '../../../state/models/shell-ui'
+import {useAnimatedValue} from '../../lib/useAnimatedValue'
 
 export const Composer = observer(
   ({
@@ -25,21 +19,30 @@ export const Composer = observer(
     onPost?: ComposerOpts['onPost']
     onClose: () => void
   }) => {
-    const initInterp = useSharedValue<number>(0)
+    const initInterp = useAnimatedValue(0)
 
     useEffect(() => {
       if (active) {
-        initInterp.value = withTiming(1, {
+        Animated.timing(initInterp, {
+          toValue: 1,
           duration: 300,
           easing: Easing.out(Easing.exp),
-        })
+          useNativeDriver: true,
+        }).start()
       } else {
-        initInterp.value = 0
+        initInterp.setValue(0)
       }
     }, [initInterp, active])
-    const wrapperAnimStyle = useAnimatedStyle(() => ({
-      top: interpolate(initInterp.value, [0, 1.0], [winHeight, 0]),
-    }))
+    const wrapperAnimStyle = {
+      transform: [
+        {
+          translateY: initInterp.interpolate({
+            inputRange: [0, 1],
+            outputRange: [winHeight, 0],
+          }),
+        },
+      ],
+    }
 
     // events
     // =