🐛 Handled Back Pressed

app/src/main/java/com/aritra/notify/components/actions/BackPressHandler.kt

@@ -0,0 +1,36 @@
+package com.aritra.notify.components.actions
+
+import androidx.activity.compose.BackHandler
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.platform.LocalContext
+import com.aritra.notify.utils.closeApp
+import com.aritra.notify.utils.toast
+import kotlinx.coroutines.delay
+
+
+@Composable
+fun BackPressHandler() {
+    var exit by remember { mutableStateOf(false) }
+    val context = LocalContext.current
+
+    LaunchedEffect(key1 = exit) {
+        if (exit) {
+            delay(2_000L)
+            exit = false
+        }
+    }
+
+    BackHandler(enabled = true) {
+        if (exit) {
+            context.closeApp()
+        } else {
+            exit = true
+            context.toast("Press again to exit")
+        }
+    }
+}

app/src/main/java/com/aritra/notify/ui/screens/notes/homeScreen/HomeScreen.kt

@@ -37,6 +37,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import com.aritra.notify.R
+import com.aritra.notify.components.actions.BackPressHandler
 import com.aritra.notify.components.actions.LayoutToggleButton
 import com.aritra.notify.components.actions.NoList
 import com.aritra.notify.components.actions.SwipeDelete
@@ -50,6 +51,8 @@ fun HomeScreen(
     navigateToUpdateNoteScreen: (noteId: Int) -> Unit
 ) {
 
+    BackPressHandler()
+
     val viewModel = hiltViewModel<HomeScreenViewModel>()
     val listOfAllNotes by viewModel.listOfNotes.observeAsState(listOf())
     var searchQuery by rememberSaveable { mutableStateOf("") }

app/src/main/java/com/aritra/notify/utils/CommonExtensions.kt

@@ -0,0 +1,12 @@
+package com.aritra.notify.utils
+
+import android.content.Context
+import android.widget.Toast
+import com.aritra.notify.ui.screens.MainActivity
+
+fun Context.toast(message: String) {
+    Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
+}
+fun Context.closeApp() {
+    (this as? MainActivity)?.finish()
+}