Fixed back handler when resuming from background

app/src/main/java/com/todoroo/astrid/activity/MainActivity.kt

@@ -188,6 +188,7 @@ class MainActivity : AppCompatActivity() {
                 }
 
                 BackHandler(enabled = state.task == null) {
+                    Timber.d("onBackPressed")
                     if (intent.finishAffinity) {
                         finishAffinity()
                     } else if (isDetailVisible && navigator.canNavigateBack()) {
@@ -212,17 +213,16 @@ class MainActivity : AppCompatActivity() {
                     directive = navigator.scaffoldDirective,
                     value = navigator.scaffoldValue,
                     listPane = {
-                        val taskListState = key (state.filter) {
-                            rememberFragmentState()
+                        key (state.filter) {
+                            AndroidFragment<TaskListFragment>(
+                                fragmentState = rememberFragmentState(),
+                                arguments = remember(state.filter) {
+                                    Bundle()
+                                        .apply { putParcelable(EXTRA_FILTER, state.filter) }
+                                },
+                                modifier = Modifier.fillMaxSize(),
+                            )
                         }
-                        AndroidFragment<TaskListFragment>(
-                            fragmentState = taskListState,
-                            arguments = remember (state.filter) {
-                                Bundle()
-                                    .apply { putParcelable(EXTRA_FILTER, state.filter) }
-                            },
-                            modifier = Modifier.fillMaxSize(),
-                        )
                     },
                     detailPane = {
                         if (state.task == null) {
@@ -240,20 +240,16 @@ class MainActivity : AppCompatActivity() {
                                 }
                             }
                         } else {
-                            val taskEditState = key (state.task) {
-                                rememberFragmentState()
+                            key (state.task) {
+                                AndroidFragment<TaskEditFragment>(
+                                    fragmentState = rememberFragmentState(),
+                                    arguments = remember(state.task) {
+                                        Bundle()
+                                            .apply { putParcelable(EXTRA_TASK, state.task) }
+                                    },
+                                    modifier = Modifier.fillMaxSize(),
+                                )
                             }
-                            AndroidFragment<TaskEditFragment>(
-                                fragmentState = taskEditState,
-                                arguments = remember(state.task) {
-                                    Bundle()
-                                        .apply { putParcelable(EXTRA_TASK, state.task) }
-                                },
-                                modifier = Modifier.fillMaxSize(),
-                                onUpdate = {
-                                    Timber.d("On updated")
-                                }
-                            )
                         }
                     },
                 )

app/src/main/java/com/todoroo/astrid/activity/TaskListFragment.kt

@@ -20,7 +20,7 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
-import androidx.activity.addCallback
+import androidx.activity.compose.BackHandler
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AppCompatActivity
@@ -274,11 +274,6 @@ class TaskListFragment : Fragment(), OnRefreshListener, Toolbar.OnMenuItemClickL
     @OptIn(ExperimentalPermissionsApi::class)
     override fun onCreateView(
             inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
-        requireActivity().onBackPressedDispatcher.addCallback(owner = viewLifecycleOwner) {
-            if (search.isActionViewExpanded) {
-                search.collapseActionView()
-            }
-        }
         binding = FragmentTaskListBinding.inflate(inflater, container, false)
 
         ViewCompat.setOnApplyWindowInsetsListener(binding.toolbar) { view, windowInsets ->
@@ -355,7 +350,14 @@ class TaskListFragment : Fragment(), OnRefreshListener, Toolbar.OnMenuItemClickL
         binding.banner.setViewCompositionStrategy(ViewCompositionStrategy.DisposeOnViewTreeLifecycleDestroyed)
         binding.banner.setContent {
             val context = LocalContext.current
+            val mainActivityState = mainViewModel.state.collectAsStateWithLifecycle().value
             val state = listViewModel.state.collectAsStateWithLifecycle().value
+            BackHandler(enabled = state.searchQuery != null && mainActivityState.task == null) {
+                Timber.d("onBackPressed")
+                if (search.isActionViewExpanded) {
+                    search.collapseActionView()
+                }
+            }
             TasksTheme(theme = theme.themeBase.index) {
                 val notificationPermissions = if (AndroidUtilities.atLeastTiramisu()) {
                     rememberPermissionState(

app/src/main/java/org/tasks/compose/edit/TaskEditScreen.kt

@@ -35,6 +35,7 @@ import org.tasks.fragments.CommentBarFragment
 import org.tasks.themes.TasksTheme
 import org.tasks.ui.TaskEditViewModel
 import org.tasks.utility.copyToClipboard
+import timber.log.Timber
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -51,6 +52,7 @@ fun TaskEditScreen(
     content: @Composable (Int) -> Unit,
 ) {
     BackHandler {
+        Timber.d("onBackPressed")
         onBackPressed()
     }
     Scaffold(