add customBackHandler

src/pages/Search/SearchPage.tsx

@@ -4,10 +4,13 @@ import ScreenWrapper from '@components/ScreenWrapper';
 import type {CentralPaneNavigatorParamList} from '@libs/Navigation/types';
 import type SCREENS from '@src/SCREENS';
 import SearchResults from './SearchResults';
+import useCustomBackHandler from './useCustomBackHandler';
 
-type SearchPageProps = StackScreenProps<CentralPaneNavigatorParamList, typeof SCREENS.SEARCH>;
+type SearchPageProps = StackScreenProps<CentralPaneNavigatorParamList, typeof SCREENS.SEARCH.CENTRAL_PANE>;
 
 function SearchPage({route}: SearchPageProps) {
+    useCustomBackHandler();
+
     return (
         <ScreenWrapper testID="testPage">
             <SearchResults filter={route.params.query} />

src/pages/Search/useCustomBackHandler/index.android.ts

@@ -0,0 +1,32 @@
+import {StackActions, useFocusEffect} from '@react-navigation/native';
+import {useCallback} from 'react';
+import {BackHandler} from 'react-native';
+import getTopmostCentralPaneRoute from '@libs/Navigation/getTopmostCentralPaneRoute';
+import navigationRef from '@libs/Navigation/navigationRef';
+import type {RootStackParamList, State} from '@libs/Navigation/types';
+import NAVIGATORS from '@src/NAVIGATORS';
+import SCREENS from '@src/SCREENS';
+
+function useCustomBackHandler() {
+    useFocusEffect(
+        useCallback(() => {
+            const onBackPress = () => {
+                const rootState = navigationRef.getRootState();
+
+                const bottomTabRoute = rootState.routes.find((route) => route.name === NAVIGATORS.BOTTOM_TAB_NAVIGATOR);
+                const centralPaneRouteAfterPop = getTopmostCentralPaneRoute({routes: [rootState.routes.at(-2)]} as State<RootStackParamList>);
+
+                if (bottomTabRoute && bottomTabRoute.state && (!centralPaneRouteAfterPop || centralPaneRouteAfterPop.name !== SCREENS.SEARCH.CENTRAL_PANE)) {
+                    navigationRef.dispatch({...StackActions.pop(), target: bottomTabRoute.state.key});
+                }
+                return false;
+            };
+
+            const subscription = BackHandler.addEventListener('hardwareBackPress', onBackPress);
+
+            return () => subscription.remove();
+        }, []),
+    );
+}
+
+export default useCustomBackHandler;

src/pages/Search/useCustomBackHandler/index.ts

@@ -0,0 +1,3 @@
+function useCustomBackHandler() {}
+
+export default useCustomBackHandler;