From 9d27b8d47e705936b868c065373daff8661f4adc Mon Sep 17 00:00:00 2001
From: nalbaltaji <nalbaltaji@squareup.com>
Date: Sat, 15 Apr 2023 18:59:44 +0200
Subject: [PATCH] Intercept back press when drawer is opened to close drawer

---
 .../amethyst/ui/screen/loggedIn/MainScreen.kt              | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/MainScreen.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/MainScreen.kt
index e0293b5d2..49486609d 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/MainScreen.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/MainScreen.kt
@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.animation.Crossfade
 import androidx.compose.animation.core.tween
 import androidx.compose.foundation.background
@@ -19,6 +20,7 @@ import androidx.compose.material.rememberScaffoldState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.rememberNavController
@@ -34,10 +36,12 @@ import com.vitorpamplona.amethyst.ui.navigation.Route
 import com.vitorpamplona.amethyst.ui.navigation.currentRoute
 import com.vitorpamplona.amethyst.ui.screen.AccountState
 import com.vitorpamplona.amethyst.ui.screen.AccountStateViewModel
+import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
 fun MainScreen(accountViewModel: AccountViewModel, accountStateViewModel: AccountStateViewModel, startingPage: String? = null) {
+    val coroutineScope = rememberCoroutineScope()
     val navController = rememberNavController()
     val scaffoldState = rememberScaffoldState(rememberDrawerState(DrawerValue.Closed))
     val sheetState = rememberModalBottomSheetState(
@@ -64,6 +68,9 @@ fun MainScreen(accountViewModel: AccountViewModel, accountStateViewModel: Accoun
             },
             drawerContent = {
                 DrawerContent(navController, scaffoldState, sheetState, accountViewModel)
+                BackHandler(enabled = scaffoldState.drawerState.isOpen) {
+                    coroutineScope.launch { scaffoldState.drawerState.close() }
+                }
             },
             floatingActionButton = {
                 FloatingButtons(navController, accountStateViewModel)