Introduce bottom menu

app.js

-import { createStackNavigator } from 'react-navigation'
+import { createStackNavigator, createBottomTabNavigator } from 'react-navigation'
 import Home from './components/home'
 
 import Calendar from './components/calendar'
@@ -12,11 +12,18 @@ import Stats from './components/stats'
 import { YellowBox } from 'react-native'
 YellowBox.ignoreWarnings(['Warning: isMounted(...) is deprecated'])
 
-export default createStackNavigator({
-  home: { screen: Home },
-  calendar: { screen: Calendar },
-  cycleDay: { screen: CycleDay },
-  chart: { screen: Chart },
-  settings: { screen: Settings },
-  stats: { screen: Stats}
-})
+const routes = {
+  Home: { screen: Home },
+  Calendar: createStackNavigator({Calendar, CycleDay}),
+  Chart: createStackNavigator({Chart, CycleDay}),
+  Settings: { screen: Settings },
+  Stats: { screen: Stats}
+}
+
+const config = {
+  labeled: true,
+  shifting: false,
+  backBehavior: 'none'
+}
+
+export default createBottomTabNavigator(routes, config)
\ No newline at end of file

components/calendar.js

@@ -29,7 +29,7 @@ export default class CalendarView extends Component {
   passDateToDayView(result) {
     const cycleDay = getOrCreateCycleDay(result.dateString)
     const navigate = this.props.navigation.navigate
-    navigate('cycleDay', { cycleDay })
+    navigate('CycleDay', { cycleDay })
   }
 
   render() {

components/home.js

@@ -42,11 +42,10 @@ export default class Home extends Component {
     const todayDateString = LocalDate.now().toString()
     const cycleDay = getOrCreateCycleDay(todayDateString)
     const navigate = this.props.navigation.navigate
-    navigate('cycleDay', { cycleDay })
+    navigate('CycleDay', { cycleDay })
   }
 
   render() {
-    const navigate = this.props.navigation.navigate
     return (
       <ScrollView>
         <Text style={styles.welcome}>{this.state.welcomeText}</Text>
@@ -57,24 +56,6 @@ export default class Home extends Component {
               title="Edit symptoms for today">
             </Button>
           </View>
-          <View style={styles.homeButton}>
-            <Button
-              onPress={() => navigate('calendar')}
-              title="Go to calendar">
-            </Button>
-          </View>
-          <View style={styles.homeButton}>
-            <Button
-              onPress={() => navigate('chart')}
-              title="Go to chart">
-            </Button>
-          </View>
-          <View style={styles.homeButton}>
-            <Button
-              onPress={() => navigate('settings')}
-              title="Go to settings">
-            </Button>
-          </View>
           <View style={styles.homeButton}>
             <Button
               onPress={() => fillWithDummyData()}
@@ -87,12 +68,6 @@ export default class Home extends Component {
               title="delete everything">
             </Button>
           </View>
-          <View style={styles.homeButton}>
-            <Button
-              onPress={() => navigate('stats')}
-              title="Go to stats">
-            </Button>
-          </View>
         </View>
       </ScrollView>
     )