diff --git a/App.js b/App.js
index 09f879b..2bf5eef 100644
--- a/App.js
+++ b/App.js
@@ -1,20 +1,17 @@
-import { StatusBar } from 'expo-status-bar';
-import { StyleSheet, Text, View } from 'react-native';
+import React, { useState } from 'react'
+import { } from 'react-native'
+import Navigation from './Navigation/Navigation'
+import { TokenContext, UsernameContext } from './Context/Context'
 
 export default function App() {
+  const [token, setToken] = useState(null)
+  const [username, setUsername] = useState("")
+
   return (
-    <View style={styles.container}>
-      <Text>Open up App.js to start working on your app!</Text>
-      <StatusBar style="auto" />
-    </View>
+    <UsernameContext.Provider value={[username, setUsername]}>
+      <TokenContext.Provider value={[token, setToken]}>
+        <Navigation />
+      </TokenContext.Provider>
+    </UsernameContext.Provider>
   );
 }
-
-const styles = StyleSheet.create({
-  container: {
-    flex: 1,
-    backgroundColor: '#fff',
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
-});
diff --git a/Context/Context.js b/Context/Context.js
new file mode 100644
index 0000000..9a9e0ac
--- /dev/null
+++ b/Context/Context.js
@@ -0,0 +1,5 @@
+import React from 'react';
+
+export const TokenContext = React.createContext();
+
+export const UsernameContext = React.createContext();
diff --git a/Navigation/Navigation.js b/Navigation/Navigation.js
new file mode 100644
index 0000000..605edbf
--- /dev/null
+++ b/Navigation/Navigation.js
@@ -0,0 +1,36 @@
+import React from 'react'
+import { Text, View } from 'react-native'
+import { NavigationContainer } from '@react-navigation/native'
+import { createBottomTabNavigator } from '@react-navigation/bottom-tabs'
+import { TokenContext } from '../Context/Context'
+
+import TodoListsScreen from '../Screen/TodoListsScreen'
+import HomeScreen from '../Screen/HomeScreen'
+import SignInScreen from '../Screen/SignInScreen'
+import SignOutScreen from '../Screen/SignOutScreen'
+import SignUpScreen from '../Screen/SignUpScreen'
+
+const Tab = createBottomTabNavigator()
+
+export default function App() {
+  return (
+    <TokenContext.Consumer>
+      {([token, setToken]) => (
+        <NavigationContainer>
+          {token == null ? (
+            <Tab.Navigator>
+              <Tab.Screen name='SignIn' component={SignInScreen} />
+              <Tab.Screen name='SignUp' component={SignUpScreen} />
+            </Tab.Navigator>
+          ) : (
+            <Tab.Navigator>
+              <Tab.Screen name='Home' component={HomeScreen} />
+              <Tab.Screen name='TodoLists' component={TodoListsScreen} />
+              <Tab.Screen name='SignOut' component={SignOutScreen} />
+            </Tab.Navigator>
+          )}
+        </NavigationContainer>
+      )}
+    </TokenContext.Consumer>
+  )
+}
diff --git a/Screen/HomeScreen.js b/Screen/HomeScreen.js
new file mode 100644
index 0000000..17dd7a7
--- /dev/null
+++ b/Screen/HomeScreen.js
@@ -0,0 +1,15 @@
+import React, { useContext } from 'react'
+import { Text } from 'react-native'
+import { UsernameContext, TokenContext } from '../Context/Context'
+
+export default function HomeScreen() {
+  const [username, setUsername] = useContext(UsernameContext)
+  const [token, setToken] = useContext(TokenContext)
+  return (
+    <>
+      <Text>Welcome !</Text>
+      <Text>You are logged as {username}</Text>
+      <Text>{token}</Text>
+    </>
+  )
+}
diff --git a/Screen/SignInScreen.js b/Screen/SignInScreen.js
new file mode 100644
index 0000000..2ed6110
--- /dev/null
+++ b/Screen/SignInScreen.js
@@ -0,0 +1,43 @@
+import React, { useContext, useState } from 'react'
+import { Text, TextInput, StyleSheet } from 'react-native'
+import signIn from '../components/SignIn.js'
+import { UsernameContext, TokenContext } from '../Context/Context.js'
+
+
+export default function SignInScreen() {
+  const [ username, setUsername] = useContext(UsernameContext)
+  const [ token, setToken] = useContext(TokenContext)
+  const [ password, setPassword] = useState("")
+  const [error, setError] = useState("")
+
+  const signin = () => {
+    signIn(username, password)
+    .then(token => {
+      setToken(token)
+      setUsername(login)
+      props.navigate('Home')
+    })
+    .catch(err => {
+      setError(err)
+    })
+  }
+
+  return (
+    <>
+      <Text>{error}</Text>
+      <Text>Nom d'utilisateur:</Text>
+      <TextInput value={username} onChangeText={setUsername} onSubmitEditing={signin} style={styles.input}></TextInput>
+      <Text>Mot de passe:</Text>
+      <TextInput value={password} onChangeText={setPassword} onSubmitEditing={signin} style={styles.input} secureTextEntry={true}></TextInput>
+    </>
+  );
+}
+
+const styles = StyleSheet.create({
+  input: {
+    height: 40,
+    margin: 12,
+    borderWidth: 1,
+    padding: 10,
+  },
+});
diff --git a/Screen/SignOutScreen.js b/Screen/SignOutScreen.js
new file mode 100644
index 0000000..2203d5e
--- /dev/null
+++ b/Screen/SignOutScreen.js
@@ -0,0 +1,10 @@
+import React from 'react'
+import {Text, View } from 'react-native'
+
+export default function App() {
+  return (
+    <>
+    Page deconnexion
+    </>
+  );
+}
diff --git a/Screen/SignUpScreen.js b/Screen/SignUpScreen.js
new file mode 100644
index 0000000..651da11
--- /dev/null
+++ b/Screen/SignUpScreen.js
@@ -0,0 +1,10 @@
+import React from 'react'
+import { Text, View } from 'react-native'
+
+export default function SignUpScreen() {
+  return (
+    <>
+    Page Inscription
+    </>
+  );
+}
diff --git a/Screen/TodoListsScreen.js b/Screen/TodoListsScreen.js
new file mode 100644
index 0000000..d6b8d57
--- /dev/null
+++ b/Screen/TodoListsScreen.js
@@ -0,0 +1,10 @@
+import React from 'react'
+import { Text, View } from 'react-native'
+
+export default function App() {
+  return (
+    <>
+    Page todoLists
+    </>
+  );
+}
diff --git a/components/SignIn.js b/components/SignIn.js
new file mode 100644
index 0000000..8d21704
--- /dev/null
+++ b/components/SignIn.js
@@ -0,0 +1,32 @@
+const API_URL = 'http://127.0.0.1:4000'
+
+const SIGN_IN =
+  'mutation($username:String!, $password:String!){signIn(username:$username, password:$password)}'
+
+export default function signIn (username, password) {
+    return fetch(API_URL, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+            query: SIGN_IN,
+            variables: {
+                username: username,
+                password: password
+            }
+        })
+    })
+    .then(response => {
+        return response.json()
+    })
+    .then(jsonResponse => {
+        if (jsonResponse.errors != null){
+            throw(jsonResponse.errors[0].message)
+        }
+        return jsonResponse.data.signIn
+    })
+    .catch(error => {
+        throw error
+    })
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 56a3677..eaf50b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,8 @@
       "name": "tp",
       "version": "1.0.0",
       "dependencies": {
+        "@react-navigation/bottom-tabs": "^6.2.0",
+        "@react-navigation/native": "^6.0.8",
         "expo": "~44.0.0",
         "expo-status-bar": "~1.2.0",
         "react": "17.0.1",
@@ -2825,6 +2827,99 @@
       "resolved": "https://registry.npmjs.org/@react-native/polyfills/-/polyfills-1.0.0.tgz",
       "integrity": "sha512-0jbp4RxjYopTsIdLl+/Fy2TiwVYHy4mgeu07DG4b/LyM0OS/+lPP5c9sbnt/AMlnF6qz2JRZpPpGw1eMNS6A4w=="
     },
+    "node_modules/@react-navigation/bottom-tabs": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/@react-navigation/bottom-tabs/-/bottom-tabs-6.2.0.tgz",
+      "integrity": "sha512-MNwXbybjapRFZJtO+fNu5YuTYQGzzYAUIF4IsY2+ZBXoCRpzuDq8gXV7ChKDJaaTeX39IoDUng3qGXbvtVcivA==",
+      "dependencies": {
+        "@react-navigation/elements": "^1.3.1",
+        "color": "^3.1.3",
+        "warn-once": "^0.1.0"
+      },
+      "peerDependencies": {
+        "@react-navigation/native": "^6.0.0",
+        "react": "*",
+        "react-native": "*",
+        "react-native-safe-area-context": ">= 3.0.0",
+        "react-native-screens": ">= 3.0.0"
+      }
+    },
+    "node_modules/@react-navigation/core": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@react-navigation/core/-/core-6.1.1.tgz",
+      "integrity": "sha512-njysuiqztgvR1Z9Noxk2OGJfYtFGFDRyji5Vmm1jHzlql0m+q0wh1dUiyaIEtTyrhFXr/YNgdrKuiPaU9Jp8OA==",
+      "dependencies": {
+        "@react-navigation/routers": "^6.1.0",
+        "escape-string-regexp": "^4.0.0",
+        "nanoid": "^3.1.23",
+        "query-string": "^7.0.0",
+        "react-is": "^16.13.0"
+      },
+      "peerDependencies": {
+        "react": "*"
+      }
+    },
+    "node_modules/@react-navigation/core/node_modules/escape-string-regexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
+      "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/@react-navigation/core/node_modules/react-is": {
+      "version": "16.13.1",
+      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
+      "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
+    },
+    "node_modules/@react-navigation/elements": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@react-navigation/elements/-/elements-1.3.1.tgz",
+      "integrity": "sha512-jIDRJaG8YPIinl4hZXJu/W3TnhDe8hLYmGSEdL1mxZ1aoNMiApCBYkgTy11oq0EfK/koZd3DPSkJNbzBAQmPJw==",
+      "peerDependencies": {
+        "@react-navigation/native": "^6.0.0",
+        "react": "*",
+        "react-native": "*",
+        "react-native-safe-area-context": ">= 3.0.0"
+      }
+    },
+    "node_modules/@react-navigation/native": {
+      "version": "6.0.8",
+      "resolved": "https://registry.npmjs.org/@react-navigation/native/-/native-6.0.8.tgz",
+      "integrity": "sha512-6022M3+Btok3xJC/49B88er3SRrlDAZ4FdmGndhEVvBcGSHWmscU2qKCwFd0RY6A0AGCVmdIlXudrfdcdRAkpQ==",
+      "dependencies": {
+        "@react-navigation/core": "^6.1.1",
+        "escape-string-regexp": "^4.0.0",
+        "fast-deep-equal": "^3.1.3",
+        "nanoid": "^3.1.23"
+      },
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*"
+      }
+    },
+    "node_modules/@react-navigation/native/node_modules/escape-string-regexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
+      "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/@react-navigation/routers": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/@react-navigation/routers/-/routers-6.1.0.tgz",
+      "integrity": "sha512-8xJL+djIzpFdRW/sGlKojQ06fWgFk1c5jER9501HYJ12LF5DIJFr/tqBI2TJ6bk+y+QFu0nbNyeRC80OjRlmkA==",
+      "dependencies": {
+        "nanoid": "^3.1.23"
+      }
+    },
     "node_modules/@sideway/address": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.3.tgz",
@@ -3686,6 +3781,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/color": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/color/-/color-3.2.1.tgz",
+      "integrity": "sha512-aBl7dZI9ENN6fUGC7mWpMTPNHmWUSNan9tuWN6ahh5ZLNk9baLJOnSMlrQkHcrfFgz2/RigjUVAjdx36VcemKA==",
+      "dependencies": {
+        "color-convert": "^1.9.3",
+        "color-string": "^1.6.0"
+      }
+    },
     "node_modules/color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -3699,6 +3803,15 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
     },
+    "node_modules/color-string": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.0.tgz",
+      "integrity": "sha512-9Mrz2AQLefkH1UvASKj6v6hj/7eWgjnT/cVsR8CumieLoT+g900exWeNogqtweI8dxloXN9BDQTYro1oWu/5CQ==",
+      "dependencies": {
+        "color-name": "^1.0.0",
+        "simple-swizzle": "^0.2.2"
+      }
+    },
     "node_modules/colorette": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.4.0.tgz",
@@ -4597,6 +4710,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/fast-deep-equal": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+    },
     "node_modules/fast-glob": {
       "version": "3.2.11",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.11.tgz",
@@ -4666,6 +4784,14 @@
         "node": ">=8"
       }
     },
+    "node_modules/filter-obj": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/filter-obj/-/filter-obj-1.1.0.tgz",
+      "integrity": "sha1-mzERErxsYSehbgFsbF1/GeCAXFs=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/finalhandler": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
@@ -6624,6 +6750,17 @@
         "thenify-all": "^1.0.0"
       }
     },
+    "node_modules/nanoid": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.2.0.tgz",
+      "integrity": "sha512-fmsZYa9lpn69Ad5eDn7FMcnnSR+8R34W9qJEijxYhTbfOWzr22n1QxCMzXLK+ODyW2973V3Fux959iQoUxzUIA==",
+      "bin": {
+        "nanoid": "bin/nanoid.cjs"
+      },
+      "engines": {
+        "node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1"
+      }
+    },
     "node_modules/nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -7338,6 +7475,23 @@
         "once": "^1.3.1"
       }
     },
+    "node_modules/query-string": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/query-string/-/query-string-7.1.1.tgz",
+      "integrity": "sha512-MplouLRDHBZSG9z7fpuAAcI7aAYjDLhtsiVZsevsfaHWDS2IDdORKbSd1kWUA+V4zyva/HZoSfpwnYMMQDhb0w==",
+      "dependencies": {
+        "decode-uri-component": "^0.2.0",
+        "filter-obj": "^1.1.0",
+        "split-on-first": "^1.0.0",
+        "strict-uri-encode": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/querystringify": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
@@ -7424,6 +7578,18 @@
         "react": "17.0.1"
       }
     },
+    "node_modules/react-freeze": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/react-freeze/-/react-freeze-1.0.0.tgz",
+      "integrity": "sha512-yQaiOqDmoKqks56LN9MTgY06O0qQHgV4FUrikH357DydArSZHQhl0BJFqGKIZoTqi8JizF9Dxhuk1FIZD6qCaw==",
+      "peer": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "peerDependencies": {
+        "react": "^17.0.0"
+      }
+    },
     "node_modules/react-is": {
       "version": "17.0.2",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz",
@@ -7487,6 +7653,30 @@
         "nullthrows": "^1.1.1"
       }
     },
+    "node_modules/react-native-safe-area-context": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/react-native-safe-area-context/-/react-native-safe-area-context-3.3.2.tgz",
+      "integrity": "sha512-yOwiiPJ1rk+/nfK13eafbpW6sKW0jOnsRem2C1LPJjM3tfTof6hlvV5eWHATye3XOpu2cJ7N+HdkUvUDGwFD2Q==",
+      "peer": true,
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*"
+      }
+    },
+    "node_modules/react-native-screens": {
+      "version": "3.11.0",
+      "resolved": "https://registry.npmjs.org/react-native-screens/-/react-native-screens-3.11.0.tgz",
+      "integrity": "sha512-4ml42gzxqcjIoPr0zNeN9AHNRK06v2VrF5McT+QpU1GXipehycJ1BBWfziMEsMKZiUeVy4TU7qFlHUuys2mlzw==",
+      "peer": true,
+      "dependencies": {
+        "react-freeze": "^1.0.0",
+        "warn-once": "^0.1.0"
+      },
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/react-native-web": {
       "version": "0.17.1",
       "resolved": "https://registry.npmjs.org/react-native-web/-/react-native-web-0.17.1.tgz",
@@ -8218,6 +8408,19 @@
         "plist": "^3.0.4"
       }
     },
+    "node_modules/simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha1-pNprY1/8zMoz9w0Xy5JZLeleVXo=",
+      "dependencies": {
+        "is-arrayish": "^0.3.1"
+      }
+    },
+    "node_modules/simple-swizzle/node_modules/is-arrayish": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
+      "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ=="
+    },
     "node_modules/sisteransi": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -8468,6 +8671,14 @@
       "integrity": "sha512-cPiFOTLUKvJFIg4SKVScy4ilPPW6rFgMgfuZJPNoDuMs3nC1HbMUycBoJw77xFIp6z1UJQJOfx6C9GMH80DiTw==",
       "deprecated": "See https://github.com/lydell/source-map-url#deprecated"
     },
+    "node_modules/split-on-first": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/split-on-first/-/split-on-first-1.1.0.tgz",
+      "integrity": "sha512-43ZssAJaMusuKWL8sKUBQXHWOpq8d6CfN/u1p4gUzfJkM05C8rxTmYrkIPTXapZpORA6LkkzcUulJ8FqA7Uudw==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/split-string": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
@@ -8604,6 +8815,14 @@
         "node": ">= 0.10.0"
       }
     },
+    "node_modules/strict-uri-encode": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-2.0.0.tgz",
+      "integrity": "sha1-ucczDHBChi9rFC3CdLvMWGbONUY=",
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -9117,6 +9336,11 @@
         "makeerror": "1.0.12"
       }
     },
+    "node_modules/warn-once": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/warn-once/-/warn-once-0.1.0.tgz",
+      "integrity": "sha512-recZTSvuaH/On5ZU5ywq66y99lImWqzP93+AiUo9LUwG8gXHW+LJjhOd6REJHm7qb0niYqrEQJvbHSQfuJtTqA=="
+    },
     "node_modules/wcwidth": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
@@ -11418,6 +11642,72 @@
       "resolved": "https://registry.npmjs.org/@react-native/polyfills/-/polyfills-1.0.0.tgz",
       "integrity": "sha512-0jbp4RxjYopTsIdLl+/Fy2TiwVYHy4mgeu07DG4b/LyM0OS/+lPP5c9sbnt/AMlnF6qz2JRZpPpGw1eMNS6A4w=="
     },
+    "@react-navigation/bottom-tabs": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/@react-navigation/bottom-tabs/-/bottom-tabs-6.2.0.tgz",
+      "integrity": "sha512-MNwXbybjapRFZJtO+fNu5YuTYQGzzYAUIF4IsY2+ZBXoCRpzuDq8gXV7ChKDJaaTeX39IoDUng3qGXbvtVcivA==",
+      "requires": {
+        "@react-navigation/elements": "^1.3.1",
+        "color": "^3.1.3",
+        "warn-once": "^0.1.0"
+      }
+    },
+    "@react-navigation/core": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@react-navigation/core/-/core-6.1.1.tgz",
+      "integrity": "sha512-njysuiqztgvR1Z9Noxk2OGJfYtFGFDRyji5Vmm1jHzlql0m+q0wh1dUiyaIEtTyrhFXr/YNgdrKuiPaU9Jp8OA==",
+      "requires": {
+        "@react-navigation/routers": "^6.1.0",
+        "escape-string-regexp": "^4.0.0",
+        "nanoid": "^3.1.23",
+        "query-string": "^7.0.0",
+        "react-is": "^16.13.0"
+      },
+      "dependencies": {
+        "escape-string-regexp": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
+          "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA=="
+        },
+        "react-is": {
+          "version": "16.13.1",
+          "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
+          "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
+        }
+      }
+    },
+    "@react-navigation/elements": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@react-navigation/elements/-/elements-1.3.1.tgz",
+      "integrity": "sha512-jIDRJaG8YPIinl4hZXJu/W3TnhDe8hLYmGSEdL1mxZ1aoNMiApCBYkgTy11oq0EfK/koZd3DPSkJNbzBAQmPJw==",
+      "requires": {}
+    },
+    "@react-navigation/native": {
+      "version": "6.0.8",
+      "resolved": "https://registry.npmjs.org/@react-navigation/native/-/native-6.0.8.tgz",
+      "integrity": "sha512-6022M3+Btok3xJC/49B88er3SRrlDAZ4FdmGndhEVvBcGSHWmscU2qKCwFd0RY6A0AGCVmdIlXudrfdcdRAkpQ==",
+      "requires": {
+        "@react-navigation/core": "^6.1.1",
+        "escape-string-regexp": "^4.0.0",
+        "fast-deep-equal": "^3.1.3",
+        "nanoid": "^3.1.23"
+      },
+      "dependencies": {
+        "escape-string-regexp": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
+          "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA=="
+        }
+      }
+    },
+    "@react-navigation/routers": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/@react-navigation/routers/-/routers-6.1.0.tgz",
+      "integrity": "sha512-8xJL+djIzpFdRW/sGlKojQ06fWgFk1c5jER9501HYJ12LF5DIJFr/tqBI2TJ6bk+y+QFu0nbNyeRC80OjRlmkA==",
+      "requires": {
+        "nanoid": "^3.1.23"
+      }
+    },
     "@sideway/address": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.3.tgz",
@@ -12100,6 +12390,15 @@
         "object-visit": "^1.0.0"
       }
     },
+    "color": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/color/-/color-3.2.1.tgz",
+      "integrity": "sha512-aBl7dZI9ENN6fUGC7mWpMTPNHmWUSNan9tuWN6ahh5ZLNk9baLJOnSMlrQkHcrfFgz2/RigjUVAjdx36VcemKA==",
+      "requires": {
+        "color-convert": "^1.9.3",
+        "color-string": "^1.6.0"
+      }
+    },
     "color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -12113,6 +12412,15 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
     },
+    "color-string": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.0.tgz",
+      "integrity": "sha512-9Mrz2AQLefkH1UvASKj6v6hj/7eWgjnT/cVsR8CumieLoT+g900exWeNogqtweI8dxloXN9BDQTYro1oWu/5CQ==",
+      "requires": {
+        "color-name": "^1.0.0",
+        "simple-swizzle": "^0.2.2"
+      }
+    },
     "colorette": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.4.0.tgz",
@@ -12827,6 +13135,11 @@
         }
       }
     },
+    "fast-deep-equal": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+    },
     "fast-glob": {
       "version": "3.2.11",
       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.11.tgz",
@@ -12890,6 +13203,11 @@
         "to-regex-range": "^5.0.1"
       }
     },
+    "filter-obj": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/filter-obj/-/filter-obj-1.1.0.tgz",
+      "integrity": "sha1-mzERErxsYSehbgFsbF1/GeCAXFs="
+    },
     "finalhandler": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
@@ -14446,6 +14764,11 @@
         "thenify-all": "^1.0.0"
       }
     },
+    "nanoid": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.2.0.tgz",
+      "integrity": "sha512-fmsZYa9lpn69Ad5eDn7FMcnnSR+8R34W9qJEijxYhTbfOWzr22n1QxCMzXLK+ODyW2973V3Fux959iQoUxzUIA=="
+    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -14981,6 +15304,17 @@
         "once": "^1.3.1"
       }
     },
+    "query-string": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/query-string/-/query-string-7.1.1.tgz",
+      "integrity": "sha512-MplouLRDHBZSG9z7fpuAAcI7aAYjDLhtsiVZsevsfaHWDS2IDdORKbSd1kWUA+V4zyva/HZoSfpwnYMMQDhb0w==",
+      "requires": {
+        "decode-uri-component": "^0.2.0",
+        "filter-obj": "^1.1.0",
+        "split-on-first": "^1.0.0",
+        "strict-uri-encode": "^2.0.0"
+      }
+    },
     "querystringify": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
@@ -15032,6 +15366,13 @@
         "scheduler": "^0.20.1"
       }
     },
+    "react-freeze": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/react-freeze/-/react-freeze-1.0.0.tgz",
+      "integrity": "sha512-yQaiOqDmoKqks56LN9MTgY06O0qQHgV4FUrikH357DydArSZHQhl0BJFqGKIZoTqi8JizF9Dxhuk1FIZD6qCaw==",
+      "peer": true,
+      "requires": {}
+    },
     "react-is": {
       "version": "17.0.2",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz",
@@ -15101,6 +15442,23 @@
         "nullthrows": "^1.1.1"
       }
     },
+    "react-native-safe-area-context": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/react-native-safe-area-context/-/react-native-safe-area-context-3.3.2.tgz",
+      "integrity": "sha512-yOwiiPJ1rk+/nfK13eafbpW6sKW0jOnsRem2C1LPJjM3tfTof6hlvV5eWHATye3XOpu2cJ7N+HdkUvUDGwFD2Q==",
+      "peer": true,
+      "requires": {}
+    },
+    "react-native-screens": {
+      "version": "3.11.0",
+      "resolved": "https://registry.npmjs.org/react-native-screens/-/react-native-screens-3.11.0.tgz",
+      "integrity": "sha512-4ml42gzxqcjIoPr0zNeN9AHNRK06v2VrF5McT+QpU1GXipehycJ1BBWfziMEsMKZiUeVy4TU7qFlHUuys2mlzw==",
+      "peer": true,
+      "requires": {
+        "react-freeze": "^1.0.0",
+        "warn-once": "^0.1.0"
+      }
+    },
     "react-native-web": {
       "version": "0.17.1",
       "resolved": "https://registry.npmjs.org/react-native-web/-/react-native-web-0.17.1.tgz",
@@ -15677,6 +16035,21 @@
         "plist": "^3.0.4"
       }
     },
+    "simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha1-pNprY1/8zMoz9w0Xy5JZLeleVXo=",
+      "requires": {
+        "is-arrayish": "^0.3.1"
+      },
+      "dependencies": {
+        "is-arrayish": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
+          "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ=="
+        }
+      }
+    },
     "sisteransi": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -15880,6 +16253,11 @@
       "resolved": "https://registry.npmjs.org/source-map-url/-/source-map-url-0.4.1.tgz",
       "integrity": "sha512-cPiFOTLUKvJFIg4SKVScy4ilPPW6rFgMgfuZJPNoDuMs3nC1HbMUycBoJw77xFIp6z1UJQJOfx6C9GMH80DiTw=="
     },
+    "split-on-first": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/split-on-first/-/split-on-first-1.1.0.tgz",
+      "integrity": "sha512-43ZssAJaMusuKWL8sKUBQXHWOpq8d6CfN/u1p4gUzfJkM05C8rxTmYrkIPTXapZpORA6LkkzcUulJ8FqA7Uudw=="
+    },
     "split-string": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
@@ -15986,6 +16364,11 @@
       "resolved": "https://registry.npmjs.org/stream-buffers/-/stream-buffers-2.2.0.tgz",
       "integrity": "sha1-kdX1Ew0c75bc+n9yaUUYh0HQnuQ="
     },
+    "strict-uri-encode": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-2.0.0.tgz",
+      "integrity": "sha1-ucczDHBChi9rFC3CdLvMWGbONUY="
+    },
     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -16374,6 +16757,11 @@
         "makeerror": "1.0.12"
       }
     },
+    "warn-once": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/warn-once/-/warn-once-0.1.0.tgz",
+      "integrity": "sha512-recZTSvuaH/On5ZU5ywq66y99lImWqzP93+AiUo9LUwG8gXHW+LJjhOd6REJHm7qb0niYqrEQJvbHSQfuJtTqA=="
+    },
     "wcwidth": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
diff --git a/package.json b/package.json
index 5f1e429..9c4afa1 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,8 @@
     "eject": "expo eject"
   },
   "dependencies": {
+    "@react-navigation/bottom-tabs": "^6.2.0",
+    "@react-navigation/native": "^6.0.8",
     "expo": "~44.0.0",
     "expo-status-bar": "~1.2.0",
     "react": "17.0.1",