From d2ae03d09bd9824fcdbfcfd6b7a0c781ae1ecf23 Mon Sep 17 00:00:00 2001
From: Tom McGuire <Mcgtom10@gmail.com>
Date: Fri, 8 Mar 2024 13:11:31 -0800
Subject: [PATCH] feat: add tab navigator (#5027)

### Description

Adds the tab navigator and associated icons. Behavior is enabled with
the `use_tab_navigator` feature gate. Please disregard the header
display as this will be covered in ACT-1108.

| Android | iOS 15 Pro Max - Large Font | iOS SE (3rd Generation) |
| ----- | ----- | ----- |
|
![](https://github.com/valora-inc/wallet/assets/26950305/e65dbbd2-c449-4b17-8b7b-904bfa3463f9
"Android Assets") |
![](https://github.com/valora-inc/wallet/assets/26950305/d74ae00e-4ae8-4ae2-9a4b-bb54377da375
"iOS 15 Pro Max Assets") |
![](https://github.com/valora-inc/wallet/assets/26950305/ee815632-29ee-46de-9145-8a9c420ac01a
"iOS SE (3rd Generation) Assets") |

### Test plan

- [x] Tested locally on iOS with feature flag enabled and disabled
- [x] Tested locally on Android with feature flag enabled and disabled
- [x] Unit tests updated

### Related issues

- Fixes ACT-1103

### Backwards compatibility

Yes - behind the `use_tab_navigator` feature gate.

### Network scalability

N/A

---------

Co-authored-by: Satish Ravi <satish.ravi@valoraapp.com>
---
 locales/base/translation.json       | 12 ++++
 package.json                        |  1 +
 src/icons/navigator/Discover.tsx    | 17 ++++++
 src/icons/navigator/Home.tsx        | 17 ++++++
 src/icons/navigator/Wallet.tsx      | 17 ++++++
 src/navigator/NavigationService.ts  |  8 ++-
 src/navigator/Navigator.tsx         |  2 +
 src/navigator/Screens.tsx           |  4 ++
 src/navigator/TabNavigator.tsx      | 85 +++++++++++++++++++++++++++++
 src/navigator/initialRoute.test.tsx | 16 +++++-
 src/navigator/initialRoute.tsx      |  6 +-
 src/navigator/types.tsx             | 11 ++++
 src/statsig/constants.ts            |  1 +
 src/statsig/types.ts                |  1 +
 src/tokens/Assets.tsx               |  2 +-
 test/RootStateSchema.json           |  4 ++
 yarn.lock                           |  9 +++
 17 files changed, 207 insertions(+), 6 deletions(-)
 create mode 100644 src/icons/navigator/Discover.tsx
 create mode 100644 src/icons/navigator/Home.tsx
 create mode 100644 src/icons/navigator/Wallet.tsx
 create mode 100644 src/navigator/TabNavigator.tsx

diff --git a/locales/base/translation.json b/locales/base/translation.json
index d799cbed127..3184a144359 100644
--- a/locales/base/translation.json
+++ b/locales/base/translation.json
@@ -2167,5 +2167,17 @@
     "description": "No more messy wallet addresses! Send crypto to other Celo users with just a phone number",
     "startButtonLabel": "Link Phone Number",
     "later": "I'll do this later"
+  },
+  "bottomTabsNavigator": {
+    "wallet": {
+      "tabName": "Wallet",
+      "title": "My Wallet"
+    },
+    "home": {
+      "tabName": "Home"
+    },
+    "discover": {
+      "tabName": "Discover"
+    }
   }
 }
diff --git a/package.json b/package.json
index 1a9c323f82f..6d5950a1484 100644
--- a/package.json
+++ b/package.json
@@ -98,6 +98,7 @@
     "@react-native-firebase/remote-config": "^17.5.0",
     "@react-native-masked-view/masked-view": "^0.3.1",
     "@react-native-picker/picker": "^2.6.1",
+    "@react-navigation/bottom-tabs": "^6.5.16",
     "@react-navigation/devtools": "^6.0.23",
     "@react-navigation/drawer": "^6.6.11",
     "@react-navigation/elements": "^1.3.26",
diff --git a/src/icons/navigator/Discover.tsx b/src/icons/navigator/Discover.tsx
new file mode 100644
index 00000000000..c465d80c739
--- /dev/null
+++ b/src/icons/navigator/Discover.tsx
@@ -0,0 +1,17 @@
+import * as React from 'react'
+import Svg, { Path } from 'react-native-svg'
+
+interface Props {
+  color?: string
+  size?: number
+}
+
+const Discover = ({ color, size }: Props) => (
+  <Svg width={size} height={size} viewBox="0 0 20 20" fill="none">
+    <Path
+      fill={color}
+      d="M15.417 14.492a1.672 1.672 0 0 0-1.584-1.159H13v-2.5a.833.833 0 0 0-.833-.833h-5V8.333h1.666a.833.833 0 0 0 .834-.833V5.833h1.666A1.667 1.667 0 0 0 13 4.167v-.342a6.654 6.654 0 0 1 2.417 10.667Zm-5.75 2.116A6.657 6.657 0 0 1 3.833 10c0-.517.067-1.017.175-1.492L8 12.5v.833A1.667 1.667 0 0 0 9.667 15M10.5 1.667a8.333 8.333 0 1 0 0 16.666 8.333 8.333 0 0 0 0-16.666Z"
+    />
+  </Svg>
+)
+export default Discover
diff --git a/src/icons/navigator/Home.tsx b/src/icons/navigator/Home.tsx
new file mode 100644
index 00000000000..77309358050
--- /dev/null
+++ b/src/icons/navigator/Home.tsx
@@ -0,0 +1,17 @@
+import * as React from 'react'
+import Svg, { Path } from 'react-native-svg'
+
+interface Props {
+  color?: string
+  size?: number
+}
+
+const Home = ({ color, size }: Props) => (
+  <Svg width={size} height={size} viewBox="0 0 20 20" fill="none">
+    <Path
+      fill={color}
+      d="M11.844 15.809c.603-4.704 2.814-7.38 6.156-9.807L16.291 3.75c-2.186 1.676-4.572 4.053-5.678 7.33-.904-2.677-2.789-5.028-5.83-7.33L3 6.052c3.794 2.702 5.704 5.729 6.231 9.757h2.613Z"
+    />
+  </Svg>
+)
+export default Home
diff --git a/src/icons/navigator/Wallet.tsx b/src/icons/navigator/Wallet.tsx
new file mode 100644
index 00000000000..5d7c1db0f88
--- /dev/null
+++ b/src/icons/navigator/Wallet.tsx
@@ -0,0 +1,17 @@
+import * as React from 'react'
+import Svg, { Path } from 'react-native-svg'
+
+interface Props {
+  color?: string
+  size?: number
+}
+
+const Wallet = ({ color, size }: Props) => (
+  <Svg width={size} height={size} viewBox="0 0 20 20" fill="none">
+    <Path
+      fill={color}
+      d="M13.333 11.25c.361 0 .66-.118.896-.354s.354-.535.354-.896-.118-.66-.354-.896a1.214 1.214 0 0 0-.896-.354c-.36 0-.66.118-.896.354a1.214 1.214 0 0 0-.354.896c0 .361.118.66.354.896.237.236.535.354.896.354ZM4.167 17.5c-.459 0-.851-.163-1.178-.49a1.602 1.602 0 0 1-.489-1.177V4.167c0-.459.163-.851.49-1.178.327-.326.719-.49 1.177-.489h11.666c.459 0 .851.163 1.178.49.326.327.49.719.489 1.177V6.25h-1.667V4.167H4.167v11.666h11.666V13.75H17.5v2.083c0 .459-.163.851-.49 1.178-.327.326-.719.49-1.177.489H4.167Zm6.666-3.333c-.458 0-.85-.164-1.177-.49a1.602 1.602 0 0 1-.49-1.177v-5c0-.458.164-.85.49-1.178.327-.326.72-.49 1.177-.489h5.834c.458 0 .85.164 1.177.49.327.327.49.72.49 1.177v5c0 .458-.164.85-.49 1.178-.327.326-.72.49-1.177.489h-5.834Zm5.834-1.667v-5h-5.834v5h5.834Z"
+    />
+  </Svg>
+)
+export default Wallet
diff --git a/src/navigator/NavigationService.ts b/src/navigator/NavigationService.ts
index c9a080e9967..fcb9b104ea4 100644
--- a/src/navigator/NavigationService.ts
+++ b/src/navigator/NavigationService.ts
@@ -20,6 +20,8 @@ import {
   requestPincodeInput,
 } from 'src/pincode/authentication'
 import { store } from 'src/redux/store'
+import { getFeatureGate } from 'src/statsig'
+import { StatsigFeatureGates } from 'src/statsig/types'
 import { isUserCancelledError } from 'src/storage/keychain'
 import { ensureError } from 'src/utils/ensureError'
 import Logger from 'src/utils/Logger'
@@ -224,7 +226,7 @@ export async function isBottomSheetVisible(screen: Screens) {
 }
 
 interface NavigateHomeOptions {
-  params?: StackParamList[Screens.DrawerNavigator]
+  params?: StackParamList[Screens.DrawerNavigator] | StackParamList[Screens.TabNavigator]
 }
 
 /***
@@ -238,7 +240,9 @@ export function navigateHome(options?: NavigateHomeOptions) {
   setTimeout(() => {
     navigationRef.current?.reset({
       index: 0,
-      routes: [{ name: Screens.DrawerNavigator, params }],
+      routes: getFeatureGate(StatsigFeatureGates.USE_TAB_NAVIGATOR)
+        ? [{ name: Screens.TabNavigator, params }]
+        : [{ name: Screens.DrawerNavigator, params }],
     })
   }, timeout)
 }
diff --git a/src/navigator/Navigator.tsx b/src/navigator/Navigator.tsx
index 637c5bc565a..af9d0f63362 100644
--- a/src/navigator/Navigator.tsx
+++ b/src/navigator/Navigator.tsx
@@ -77,6 +77,7 @@ import {
 } from 'src/navigator/Headers'
 import QRNavigator from 'src/navigator/QRNavigator'
 import { Screens } from 'src/navigator/Screens'
+import TabNavigator from 'src/navigator/TabNavigator'
 import { getInitialRoute } from 'src/navigator/initialRoute'
 import { StackParamList } from 'src/navigator/types'
 import NftsInfoCarousel from 'src/nfts/NftsInfoCarousel'
@@ -602,6 +603,7 @@ export function MainStackScreen() {
 
   return (
     <Stack.Navigator initialRouteName={initialRouteName} screenOptions={emptyHeader}>
+      <Stack.Screen name={Screens.TabNavigator} component={TabNavigator} options={noHeader} />
       <Stack.Screen name={Screens.DrawerNavigator} component={DrawerNavigator} options={noHeader} />
       {commonScreens(Stack)}
       {sendScreens(Stack)}
diff --git a/src/navigator/Screens.tsx b/src/navigator/Screens.tsx
index 8072e09229f..bfff00273ce 100644
--- a/src/navigator/Screens.tsx
+++ b/src/navigator/Screens.tsx
@@ -83,6 +83,10 @@ export enum Screens {
   Support = 'Support',
   SupportContact = 'SupportContact',
   SwapScreenWithBack = 'SwapScreenWithBack',
+  TabNavigator = 'TabNavigator',
+  TabDiscover = 'TabDiscover',
+  TabHome = 'TabHome',
+  TabWallet = 'TabWallet',
   TokenDetails = 'TokenDetails',
   TokenDetailsMoreActions = 'TokenDetailsMoreActions',
   TokenImport = 'TokenImport',
diff --git a/src/navigator/TabNavigator.tsx b/src/navigator/TabNavigator.tsx
new file mode 100644
index 00000000000..fb8d7fa5519
--- /dev/null
+++ b/src/navigator/TabNavigator.tsx
@@ -0,0 +1,85 @@
+import { createBottomTabNavigator } from '@react-navigation/bottom-tabs'
+import { NativeStackScreenProps } from '@react-navigation/native-stack'
+import React from 'react'
+import { useTranslation } from 'react-i18next'
+import { StyleSheet } from 'react-native'
+import DAppsExplorerScreenSearchFilter from 'src/dappsExplorer/DAppsExplorerScreenSearchFilter'
+import WalletHome from 'src/home/WalletHome'
+import Discover from 'src/icons/navigator/Discover'
+import Home from 'src/icons/navigator/Home'
+import Wallet from 'src/icons/navigator/Wallet'
+import { Screens } from 'src/navigator/Screens'
+import { StackParamList } from 'src/navigator/types'
+import Colors from 'src/styles/colors'
+import { typeScale } from 'src/styles/fonts'
+import { Spacing } from 'src/styles/styles'
+import variables from 'src/styles/variables'
+import AssetsScreen from 'src/tokens/Assets'
+
+const Tab = createBottomTabNavigator()
+
+type Props = NativeStackScreenProps<StackParamList, Screens.TabNavigator>
+
+export default function TabNavigator({ route }: Props) {
+  const initialScreen = route.params?.initialScreen ?? Screens.TabHome
+  const { t } = useTranslation()
+
+  return (
+    <Tab.Navigator
+      initialRouteName={initialScreen}
+      screenOptions={{
+        headerShown: true,
+        headerShadowVisible: false,
+        headerTitleAllowFontScaling: false,
+        tabBarActiveTintColor: Colors.black,
+        tabBarInactiveTintColor: Colors.gray3,
+        tabBarLabelStyle: styles.label,
+        tabBarItemStyle: styles.tabBarItem,
+        tabBarAllowFontScaling: false,
+        tabBarStyle: {
+          height: variables.height * 0.1,
+        },
+      }}
+    >
+      <Tab.Screen
+        // TODO(act-1104) new assets screen
+        name={Screens.TabWallet}
+        // @ts-expect-error Type '{}' is missing the following properties from type 'Props': navigation, route
+        component={AssetsScreen}
+        options={{
+          tabBarLabel: t('bottomTabsNavigator.wallet.tabName') as string,
+          tabBarIcon: Wallet,
+        }}
+      />
+      <Tab.Screen
+        // TODO(act-1105) new home tab screen
+        name={Screens.TabHome}
+        component={WalletHome}
+        options={{
+          freezeOnBlur: false,
+          lazy: false,
+          tabBarLabel: t('bottomTabsNavigator.home.tabName') as string,
+          tabBarIcon: Home,
+        }}
+      />
+      <Tab.Screen
+        // TODO(act-1106) discover tab screen
+        name={Screens.TabDiscover}
+        component={DAppsExplorerScreenSearchFilter}
+        options={{
+          tabBarLabel: t('bottomTabsNavigator.discover.tabName') as string,
+          tabBarIcon: Discover,
+        }}
+      />
+    </Tab.Navigator>
+  )
+}
+
+const styles = StyleSheet.create({
+  label: {
+    ...typeScale.labelSemiBoldSmall,
+  },
+  tabBarItem: {
+    paddingVertical: Spacing.Smallest8,
+  },
+})
diff --git a/src/navigator/initialRoute.test.tsx b/src/navigator/initialRoute.test.tsx
index d9cce7848ae..35bc35f7f98 100644
--- a/src/navigator/initialRoute.test.tsx
+++ b/src/navigator/initialRoute.test.tsx
@@ -3,6 +3,7 @@ import { MultichainBetaStatus } from 'src/app/actions'
 import { getInitialRoute } from 'src/navigator/initialRoute'
 import { Screens } from 'src/navigator/Screens'
 import { getFeatureGate } from 'src/statsig'
+import { StatsigFeatureGates } from 'src/statsig/types'
 
 jest.mock('src/statsig/index')
 
@@ -98,16 +99,27 @@ describe('initialRoute', () => {
   })
 
   it('returns drawer navigator if all onboarding complete, multichain beta is opted in and feature gate is on', () => {
-    jest.mocked(getFeatureGate).mockReturnValue(true)
+    jest
+      .mocked(getFeatureGate)
+      .mockImplementation((featureGate) => featureGate !== StatsigFeatureGates.USE_TAB_NAVIGATOR)
     expect(
       getInitialRoute({ ...defaultArgs, multichainBetaStatus: MultichainBetaStatus.OptedIn })
     ).toEqual(Screens.DrawerNavigator)
   })
 
   it('returns drawer navigator if all onboarding complete, multichain beta is opted out and feature gate is on', () => {
-    jest.mocked(getFeatureGate).mockReturnValue(true)
+    jest
+      .mocked(getFeatureGate)
+      .mockImplementation((featureGate) => featureGate !== StatsigFeatureGates.USE_TAB_NAVIGATOR)
     expect(
       getInitialRoute({ ...defaultArgs, multichainBetaStatus: MultichainBetaStatus.OptedOut })
     ).toEqual(Screens.DrawerNavigator)
   })
+
+  it('returns tab navigator if all onboarding complete, multichain beta is opted in and use_tab_navigator feature gate is on', () => {
+    jest.mocked(getFeatureGate).mockReturnValue(true)
+    expect(
+      getInitialRoute({ ...defaultArgs, multichainBetaStatus: MultichainBetaStatus.OptedIn })
+    ).toEqual(Screens.TabNavigator)
+  })
 })
diff --git a/src/navigator/initialRoute.tsx b/src/navigator/initialRoute.tsx
index 1e2a18f32ed..4fe5ee394ff 100644
--- a/src/navigator/initialRoute.tsx
+++ b/src/navigator/initialRoute.tsx
@@ -45,6 +45,10 @@ export function getInitialRoute({
   ) {
     return Screens.MultichainBeta
   } else {
-    return Screens.DrawerNavigator
+    if (getFeatureGate(StatsigFeatureGates.USE_TAB_NAVIGATOR)) {
+      return Screens.TabNavigator
+    } else {
+      return Screens.DrawerNavigator
+    }
   }
 }
diff --git a/src/navigator/types.tsx b/src/navigator/types.tsx
index 2816b84a12c..0d33798edb2 100644
--- a/src/navigator/types.tsx
+++ b/src/navigator/types.tsx
@@ -272,6 +272,17 @@ export type StackParamList = {
       }
     | undefined
   [Screens.SwapScreenWithBack]: { fromTokenId: string } | undefined
+  [Screens.TabDiscover]: undefined
+  [Screens.TabHome]: undefined
+  [Screens.TabWallet]:
+    | {
+        activeTab: AssetTabType
+      }
+    | undefined
+  [Screens.TabNavigator]: {
+    initialScreen?: Screens
+    fromModal?: boolean
+  }
   [Screens.TokenDetails]: { tokenId: string }
   [Screens.TokenImport]: undefined
   [Screens.TransactionDetailsScreen]: {
diff --git a/src/statsig/constants.ts b/src/statsig/constants.ts
index 6d72f0a9375..38442fed24d 100644
--- a/src/statsig/constants.ts
+++ b/src/statsig/constants.ts
@@ -23,6 +23,7 @@ export const FeatureGates = {
   [StatsigFeatureGates.SHOW_NFT_CELEBRATION]: false,
   [StatsigFeatureGates.SHOW_NFT_REWARD]: false,
   [StatsigFeatureGates.SHOW_JUMPSTART_SEND]: false,
+  [StatsigFeatureGates.USE_TAB_NAVIGATOR]: false,
 }
 
 export const ExperimentConfigs = {
diff --git a/src/statsig/types.ts b/src/statsig/types.ts
index c02ffa9b7e3..9b0f9d5e011 100644
--- a/src/statsig/types.ts
+++ b/src/statsig/types.ts
@@ -30,6 +30,7 @@ export enum StatsigFeatureGates {
   SHOW_NFT_CELEBRATION = 'show_nft_celebration',
   SHOW_NFT_REWARD = 'show_nft_reward',
   SHOW_JUMPSTART_SEND = 'show_jumpstart_send',
+  USE_TAB_NAVIGATOR = 'use_tab_navigator',
 }
 
 export enum StatsigExperiments {
diff --git a/src/tokens/Assets.tsx b/src/tokens/Assets.tsx
index dece772dca7..4c2fc02b420 100644
--- a/src/tokens/Assets.tsx
+++ b/src/tokens/Assets.tsx
@@ -39,7 +39,7 @@ import { useTokenPricesAreStale, useTotalTokenBalance } from 'src/tokens/hooks'
 import { AssetTabType } from 'src/tokens/types'
 import { getSupportedNetworkIdsForTokenBalances } from 'src/tokens/utils'
 
-type Props = NativeStackScreenProps<StackParamList, Screens.Assets>
+type Props = NativeStackScreenProps<StackParamList, Screens.Assets | Screens.TabWallet>
 
 // offset relative to the bottom of the non sticky header component, where the
 // screen header opacity animation starts
diff --git a/test/RootStateSchema.json b/test/RootStateSchema.json
index e4d0d44ee70..eb86427d845 100644
--- a/test/RootStateSchema.json
+++ b/test/RootStateSchema.json
@@ -2671,6 +2671,10 @@
                 "Support",
                 "SupportContact",
                 "SwapScreenWithBack",
+                "TabDiscover",
+                "TabHome",
+                "TabNavigator",
+                "TabWallet",
                 "TokenDetails",
                 "TokenDetailsMoreActions",
                 "TokenImport",
diff --git a/yarn.lock b/yarn.lock
index 859e32bb44e..07987b28ce7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2986,6 +2986,15 @@
   resolved "https://registry.yarnpkg.com/@react-native/polyfills/-/polyfills-2.0.0.tgz#4c40b74655c83982c8cf47530ee7dc13d957b6aa"
   integrity sha512-K0aGNn1TjalKj+65D7ycc1//H9roAQ51GJVk5ZJQFb2teECGmzd86bYDC0aYdbRf7gtovescq4Zt6FR0tgXiHQ==
 
+"@react-navigation/bottom-tabs@^6.5.16":
+  version "6.5.16"
+  resolved "https://registry.yarnpkg.com/@react-navigation/bottom-tabs/-/bottom-tabs-6.5.16.tgz#8b9b2fb482cdcdfcad5146a77878a48090fb64b5"
+  integrity sha512-zw6hlP1YI4APbOoeJSg1JS9h3OPZIp4O2ccAkiIPgw7T6wyKs8dGJyrkkUtTryXoRUqL1D14xp6K1Etgqm7F2A==
+  dependencies:
+    "@react-navigation/elements" "^1.3.26"
+    color "^4.2.3"
+    warn-once "^0.1.0"
+
 "@react-navigation/core@^6.4.13":
   version "6.4.13"
   resolved "https://registry.yarnpkg.com/@react-navigation/core/-/core-6.4.13.tgz#27cf33d963f59aeeb36f27514a9744ab818097b3"