Fixed #13 unified outer padding on all components.

Fixed not setting appTitle when navigating via FAB.
Unified "currentScreen" / "appTitle" behaviour.

app/src/main/java/com/sockenklaus/batterytracker/ui/BatteryTracker.kt

@@ -3,7 +3,6 @@ package com.sockenklaus.batterytracker.ui
 import androidx.compose.animation.AnimatedContent
 import androidx.compose.animation.ExperimentalAnimationApi
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.wrapContentWidth
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
@@ -24,10 +23,10 @@ import com.sockenklaus.batterytracker.ui.models.MainViewModel
 import kotlinx.coroutines.launch
 
 object Routes {
-    const val HOME = "home"
+    const val HOME = "Home"
-    const val ADD_BATTERY = "add_battery"
+    const val ADD_BATTERY = "Add Battery"
-    const val ADD_CHARGE = "add_charge"
+    const val ADD_CHARGE = "Add Charge"
-    const val BATTERY_DETAILS = "battery_details"
+    const val BATTERY_DETAILS = "Battery Details"
 }
 
 @Composable
@@ -44,16 +43,17 @@ fun BatteryTracker() {
 
                     Routes.BATTERY_DETAILS -> DetailsTopAppBar(
                         navController = state.navController,
-                        changeCurrentScreen = { state.currentScreen = it }
+                        drawerState = state.scaffoldState.drawerState,
+                        appTitle = state.currentScreen
                     )
 
                     else -> MainTopAppBar(
                         drawerState = state.scaffoldState.drawerState,
-                        appTitle = state.appTitle
+                        appTitle = state.currentScreen,
                     )
                 }
             }
-        ) { innerPadding ->
+        ) { _ ->
             ModalDrawer(
                 drawerState = state.scaffoldState.drawerState,
                 drawerContent = {
@@ -82,19 +82,27 @@ fun BatteryTracker() {
                 NavHost(
                     navController = state.navController,
                     startDestination = Routes.HOME,
-                    modifier = Modifier.padding(innerPadding))
+                )
                 {
-                        composable(Routes.HOME) { Home(state.navController, state) }
+                        composable(Routes.HOME) {
-                        composable(Routes.ADD_CHARGE) { AddCharge(state.navController) }
+                            state.currentScreen = Routes.HOME
-                        composable(Routes.ADD_BATTERY) { AddBattery(state.navController) }
+                            Home(state.navController)
+                        }
+                        composable(Routes.ADD_CHARGE) {
+                            state.currentScreen = Routes.ADD_CHARGE
+                            AddCharge(state.navController)
+                        }
+                        composable(Routes.ADD_BATTERY) {
+                            state.currentScreen = Routes.ADD_BATTERY
+                            AddBattery(state.navController)
+                        }
                         composable(
                             route = "${Routes.BATTERY_DETAILS}/{batteryId}",
                             arguments = listOf(navArgument("batteryId"){ type = NavType.IntType })
                         ) { navBackStackEntry ->
+                            state.currentScreen = Routes.BATTERY_DETAILS
                             BatteryDetails(
-                                navController = state.navController,
                                 batteryId = navBackStackEntry.arguments?.getInt("batteryId"),
-                                appState = state
                             )
                         }
                 }
@@ -162,9 +170,7 @@ fun NavListItem(
         modifier = Modifier
             .clickable {
                 scope.launch {
-                    state.appTitle = text
                     state.navController.navigate(route)
-                    state.currentScreen = route
                     state.scaffoldState.drawerState.close()
                 }
             }

app/src/main/java/com/sockenklaus/batterytracker/ui/composables/AddBattery.kt

@@ -15,6 +15,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import com.sockenklaus.batterytracker.R
+import com.sockenklaus.batterytracker.ui.Routes
 import com.sockenklaus.batterytracker.ui.composables.util.MyOutlinedTextFieldWithSuffix
 import com.sockenklaus.batterytracker.ui.models.AddBatteryViewModel
 import com.sockenklaus.batterytracker.util.validateDecimal
@@ -24,7 +25,7 @@ fun AddBattery(navController: NavController){
     val model: AddBatteryViewModel = viewModel()
     val batteries by model.batteries.observeAsState(emptyList())
 
-    val outerPadding = 24.dp
+    val outerPadding = 16.dp
     val innerPadding = 16.dp
 
     Column(
@@ -68,7 +69,7 @@ fun AddBattery(navController: NavController){
                 if(model.batteryName.isBlank()) model.batteryHasError = true
 
                 if(!model.batteryHasError && model.saveBattery(model.batteryName, model.declaredCapacity)){
-                    navController.navigate("home")
+                    navController.navigate(Routes.HOME)
                 }
             },
             icon = { Icon(Icons.Default.Save, "Icon Save") },

app/src/main/java/com/sockenklaus/batterytracker/ui/composables/AddCharge.kt

@@ -22,6 +22,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import com.sockenklaus.batterytracker.R
+import com.sockenklaus.batterytracker.ui.Routes
 import com.sockenklaus.batterytracker.ui.composables.util.MyOutlinedTextFieldWithSuffix
 import com.sockenklaus.batterytracker.ui.models.AddChargeViewModel
 import com.sockenklaus.batterytracker.ui.theme.Gray500
@@ -34,7 +35,7 @@ import java.util.*
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
 fun AddCharge(navController: NavController){
-    val outerPadding = 24.dp
+    val outerPadding = 16.dp
     val innerPadding = 16.dp
 
     var bIdExpanded by remember { mutableStateOf(false)}
@@ -137,7 +138,7 @@ fun AddCharge(navController: NavController){
                 }
 
                 if(!model.batteryHasError && !model.chargeHasError && model.saveCharge(batteries, model.batteryId.text, model.charge, model.date)){
-                    navController.navigate("home")
+                    navController.navigate(Routes.HOME)
                 }
             },
             icon = { Icon(Icons.Default.Save, "Icon Save") },

app/src/main/java/com/sockenklaus/batterytracker/ui/composables/BatteryDetails.kt

@@ -1,49 +1,46 @@
 package com.sockenklaus.batterytracker.ui.composables
 
-import androidx.activity.OnBackPressedCallback
+import androidx.compose.foundation.layout.Column
-import androidx.activity.OnBackPressedDispatcher
+import androidx.compose.foundation.layout.padding
-import androidx.activity.compose.LocalOnBackPressedDispatcherOwner
+import androidx.compose.material.*
-import androidx.compose.material.Icon
-import androidx.compose.material.IconButton
-import androidx.compose.material.Text
-import androidx.compose.material.TopAppBar
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
+import com.sockenklaus.batterytracker.ui.AppBarTitle
 import com.sockenklaus.batterytracker.ui.Routes
-import com.sockenklaus.batterytracker.ui.models.MainViewModel
 
 @Composable
 fun BatteryDetails(
-    navController: NavController,
+    batteryId: Int? = null
-    batteryId: Int? = null,
-    appState: MainViewModel
 ){
-    var onBack = {
+    Column(
-        val backTarget = navController.previousBackStackEntry?.destination?.route ?: Routes.HOME
+        modifier = Modifier.padding(16.dp)
-        appState.currentScreen = backTarget
+    ){
-        navController.navigate(backTarget)
+        Text(batteryId.toString())
     }
-    
-    BackPressHandler(onBackPressed = onBack)
-
-    Text(batteryId.toString())
-
 }
 
+@OptIn(ExperimentalMaterialApi::class)
 @Composable
 fun DetailsTopAppBar(
     navController: NavController,
-    changeCurrentScreen: (String) -> Unit
+    appTitle: String,
+    drawerState: DrawerState
 ){
     TopAppBar(
-        title = { Text("Details") },
+        title = {
+            AppBarTitle(
+                drawerTarget = drawerState.targetValue,
+                appTitle = appTitle
+            )
+        },
         navigationIcon = {
             IconButton(
                 onClick = {
-                    navController.navigate("home")
+                    navController.navigate(Routes.HOME)
-                    changeCurrentScreen(Routes.HOME)
                 }
             ) {
                 Icon(Icons.Default.ArrowBack, null)
@@ -51,27 +48,3 @@ fun DetailsTopAppBar(
         }
     )
 }
-
-@Composable
-fun BackPressHandler(
-    backPressedDispatcher: OnBackPressedDispatcher? = LocalOnBackPressedDispatcherOwner.current?.onBackPressedDispatcher,
-    onBackPressed: () -> Unit
-) {
-    val currentOnBackPressed by rememberUpdatedState(newValue = onBackPressed)
-
-    val backCallback = remember {
-        object : OnBackPressedCallback(true) {
-            override fun handleOnBackPressed() {
-                currentOnBackPressed()
-            }
-        }
-    }
-
-    DisposableEffect(key1 = backPressedDispatcher) {
-        backPressedDispatcher?.addCallback(backCallback)
-
-        onDispose {
-            backCallback.remove()
-        }
-    }
-}

app/src/main/java/com/sockenklaus/batterytracker/ui/composables/Home.kt

@@ -1,6 +1,5 @@
 package com.sockenklaus.batterytracker.ui.composables
 
-import android.telecom.Call
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
@@ -9,7 +8,6 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.material.*
 import androidx.compose.runtime.*
 import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
@@ -20,21 +18,17 @@ import com.sockenklaus.batterytracker.room.entities.Battery
 import com.sockenklaus.batterytracker.ui.Routes
 import com.sockenklaus.batterytracker.ui.composables.util.MyOutlinedTextFieldWithSuffix
 import com.sockenklaus.batterytracker.ui.models.HomeViewModel
-import com.sockenklaus.batterytracker.ui.models.MainViewModel
-import java.lang.reflect.GenericDeclaration
 
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
 fun Home(
-    navController: NavController,
+    navController: NavController
-    appState: MainViewModel
 ) {
     val model: HomeViewModel = viewModel()
     val batteries by model.batteries.observeAsState(emptyList<Battery>())
     var filterText by remember { mutableStateOf("")}
 
     val filteredList = batteries.filter { it.name.contains(filterText, ignoreCase = true) }
-    val modHorizontalPadding = Modifier.padding(horizontal = 16.dp)
 
     Column {
         MyOutlinedTextFieldWithSuffix(
@@ -42,14 +36,14 @@ fun Home(
             onValueChange = { filterText = it },
             labelId = R.string.hint_filter_batteries,
             modifier = Modifier.padding(
+                top = 16.dp,
                 start = 16.dp,
-                end = 16.dp,
+                end = 16.dp
-                top = 16.dp
             )
         )
 
         LazyColumn(
-            state = LazyListState()
+            state = LazyListState(),
         ) {
             items(filteredList){ battery ->
                 ListItem(
@@ -65,10 +59,9 @@ fun Home(
                     },
                     modifier = Modifier.clickable {
                         navController.navigate("${Routes.BATTERY_DETAILS}/${battery.id}")
-                        appState.currentScreen = Routes.BATTERY_DETAILS
                     }
                 )
-                Divider(modHorizontalPadding)
+                Divider(Modifier.padding(horizontal = 16.dp))
             }
         }
     }

app/src/main/java/com/sockenklaus/batterytracker/ui/models/MainViewModel.kt

@@ -2,17 +2,13 @@ package com.sockenklaus.batterytracker.ui.models
 
 import androidx.compose.material.*
 import androidx.compose.runtime.*
-import androidx.compose.ui.graphics.BlendMode.Companion.Screen
 import androidx.lifecycle.ViewModel
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.rememberNavController
-import com.sockenklaus.batterytracker.ui.AppBarTitle
 import com.sockenklaus.batterytracker.ui.Routes
-import com.sockenklaus.batterytracker.ui.ToggleDrawerButton
 
 class MainViewModel : ViewModel() {
 
-    var appTitle by mutableStateOf("Home")
     var currentScreen by mutableStateOf(Routes.HOME)
 
     lateinit var navController: NavHostController