Android fixes (#515)

* Fix profile screen performance on android and remove dead code

* Correctly handle android hardware back btn

* Fix EditProfile modal for android

* Fix lint

src/view/com/util/ViewSelector.tsx

@@ -1,12 +1,13 @@
 import React, {useEffect, useState} from 'react'
-import {View} from 'react-native'
-import {Selector} from './Selector'
-import {HorzSwipe} from './gestures/HorzSwipe'
+import {Pressable, StyleSheet, View} from 'react-native'
 import {FlatList} from './Views'
-import {useAnimatedValue} from 'lib/hooks/useAnimatedValue'
 import {OnScrollCb} from 'lib/hooks/useOnMainScroll'
+import {useColorSchemeStyle} from 'lib/hooks/useColorSchemeStyle'
+import {Text} from './text/Text'
+import {usePalette} from 'lib/hooks/usePalette'
 import {clamp} from 'lib/numbers'
-import {s} from 'lib/styles'
+import {s, colors} from 'lib/styles'
+import {isAndroid} from 'platform/detection'
 
 const HEADER_ITEM = {_reactKey: '__header__'}
 const SELECTOR_ITEM = {_reactKey: '__selector__'}
@@ -16,7 +17,6 @@ export function ViewSelector({
   sections,
   items,
   refreshing,
-  swipeEnabled,
   renderHeader,
   renderItem,
   ListFooterComponent,
@@ -42,19 +42,12 @@ export function ViewSelector({
   onEndReached?: (info: {distanceFromEnd: number}) => void
 }) {
   const [selectedIndex, setSelectedIndex] = useState<number>(0)
-  const panX = useAnimatedValue(0)
 
   // events
   // =
 
-  const onSwipeEnd = React.useCallback(
-    (dx: number) => {
-      if (dx !== 0) {
-        setSelectedIndex(clamp(selectedIndex + dx, 0, sections.length))
-      }
-    },
-    [setSelectedIndex, selectedIndex, sections],
-  )
+  const keyExtractor = React.useCallback(item => item._reactKey, [])
+
   const onPressSelection = React.useCallback(
     (index: number) => setSelectedIndex(clamp(index, 0, sections.length)),
     [setSelectedIndex, sections],
@@ -77,7 +70,6 @@ export function ViewSelector({
         return (
           <Selector
             items={sections}
-            panX={panX}
             selectedIndex={selectedIndex}
             onSelect={onPressSelection}
           />
@@ -86,7 +78,7 @@ export function ViewSelector({
         return renderItem(item)
       }
     },
-    [sections, panX, selectedIndex, onPressSelection, renderHeader, renderItem],
+    [sections, selectedIndex, onPressSelection, renderHeader, renderItem],
   )
 
   const data = React.useMemo(
@@ -94,28 +86,98 @@ export function ViewSelector({
     [items],
   )
   return (
-    <HorzSwipe
-      hasPriority
-      panX={panX}
-      swipeEnabled={swipeEnabled || false}
-      canSwipeLeft={selectedIndex > 0}
-      canSwipeRight={selectedIndex < sections.length - 1}
-      onSwipeEnd={onSwipeEnd}>
-      <FlatList
-        data={data}
-        keyExtractor={item => item._reactKey}
-        renderItem={renderItemInternal}
-        ListFooterComponent={ListFooterComponent}
-        stickyHeaderIndices={STICKY_HEADER_INDICES}
-        refreshing={refreshing}
-        onScroll={onScroll}
-        onRefresh={onRefresh}
-        onEndReached={onEndReached}
-        onEndReachedThreshold={0.6}
-        contentContainerStyle={s.contentContainer}
-        removeClippedSubviews={true}
-        scrollIndicatorInsets={{right: 1}} // fixes a bug where the scroll indicator is on the middle of the screen https://github.com/bluesky-social/social-app/pull/464
-      />
-    </HorzSwipe>
+    <FlatList
+      data={data}
+      keyExtractor={keyExtractor}
+      renderItem={renderItemInternal}
+      ListFooterComponent={ListFooterComponent}
+      // NOTE sticky header disabled on android due to major performance issues -prf
+      stickyHeaderIndices={isAndroid ? undefined : STICKY_HEADER_INDICES}
+      refreshing={refreshing}
+      onScroll={onScroll}
+      onRefresh={onRefresh}
+      onEndReached={onEndReached}
+      onEndReachedThreshold={0.6}
+      contentContainerStyle={s.contentContainer}
+      removeClippedSubviews={true}
+      scrollIndicatorInsets={{right: 1}} // fixes a bug where the scroll indicator is on the middle of the screen https://github.com/bluesky-social/social-app/pull/464
+    />
   )
 }
+
+export function Selector({
+  selectedIndex,
+  items,
+  onSelect,
+}: {
+  selectedIndex: number
+  items: string[]
+  onSelect?: (index: number) => void
+}) {
+  const pal = usePalette('default')
+  const borderColor = useColorSchemeStyle(
+    {borderColor: colors.black},
+    {borderColor: colors.white},
+  )
+
+  const onPressItem = (index: number) => {
+    onSelect?.(index)
+  }
+
+  return (
+    <View style={[pal.view, styles.outer]}>
+      {items.map((item, i) => {
+        const selected = i === selectedIndex
+        return (
+          <Pressable
+            testID={`selector-${i}`}
+            key={item}
+            onPress={() => onPressItem(i)}>
+            <View
+              style={[
+                styles.item,
+                selected && styles.itemSelected,
+                borderColor,
+              ]}>
+              <Text
+                style={
+                  selected
+                    ? [styles.labelSelected, pal.text]
+                    : [styles.label, pal.textLight]
+                }>
+                {item}
+              </Text>
+            </View>
+          </Pressable>
+        )
+      })}
+    </View>
+  )
+}
+
+const styles = StyleSheet.create({
+  outer: {
+    flexDirection: 'row',
+    paddingHorizontal: 14,
+  },
+  item: {
+    marginRight: 14,
+    paddingHorizontal: 10,
+    paddingTop: 8,
+    paddingBottom: 12,
+  },
+  itemSelected: {
+    borderBottomWidth: 3,
+  },
+  label: {
+    fontWeight: '600',
+  },
+  labelSelected: {
+    fontWeight: '600',
+  },
+  underline: {
+    position: 'absolute',
+    height: 4,
+    bottom: 0,
+  },
+})