basic bottom navbar setup

DBTApp/.idea/deploymentTargetSelector.xml

@@ -5,6 +5,9 @@
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
       </SelectionState>
+      <SelectionState runConfigName="BottomNavigationBar">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
     </selectionStates>
   </component>
 </project>

DBTApp/.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

DBTApp/.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,61 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+  </profile>
+</component>

DBTApp/.idea/material_theme_project_new.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MaterialThemeProjectNewConfig">
+    <option name="metadata">
+      <MTProjectMetadataState>
+        <option name="migrated" value="true" />
+        <option name="pristineConfig" value="false" />
+        <option name="userId" value="191b448e:196c8d670cb:-7ffe" />
+      </MTProjectMetadataState>
+    </option>
+  </component>
+</project>

DBTApp/.idea/misc.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">

DBTApp/app/build.gradle.kts

@@ -67,6 +67,9 @@ dependencies {
     // Optional - Integration with activities
     implementation(libs.androidx.activity.compose)
 
+    //Compose navigation
+    implementation(libs.androidx.navigation.compose)
+
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.material)

DBTApp/app/src/main/java/de/cdaut/dbtapp/MainActivity.kt

@@ -11,12 +11,7 @@ class MainActivity : ComponentActivity(){
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContent {
-            NavigationBar()
         }
     }
 }
 
-@Preview
-@Composable
-fun NavigationBar() {
-}

DBTApp/app/src/main/java/de/cdaut/dbtapp/components/BottomNavBar.kt

@@ -0,0 +1,66 @@
+package de.cdaut.dbtapp.components
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.Icon
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.navigation.NavGraph.Companion.findStartDestination
+import androidx.navigation.compose.rememberNavController
+import de.cdaut.dbtapp.navigation.BottomNavigationItem
+
+
+@Preview
+@Composable
+private fun BottomNavigationBar() {
+    var navigationSelectedItem by remember {
+        mutableIntStateOf(
+            BottomNavigationItem().bottomNavigationItems()
+                .find { item -> item.label == "Home" }!!.idx
+        )
+    }
+    val navController = rememberNavController()
+
+    Scaffold(
+        modifier = Modifier.fillMaxSize(),
+        bottomBar = {
+            NavigationBar {
+                BottomNavigationItem().bottomNavigationItems().sortedBy { item -> item.idx }
+                    .forEachIndexed { index, item ->
+                        NavigationBarItem(
+                            selected = index == navigationSelectedItem,
+                            label = {
+                                if (index == navigationSelectedItem) {
+                                    Text(item.label)
+                                }
+                            },
+                            icon = {
+                                Icon(
+                                    item.icon,
+                                    contentDescription = item.label
+                                )
+                            },
+                            onClick = {
+                                navigationSelectedItem = index
+                                navController.navigate(item.route) {
+                                    popUpTo(navController.graph.findStartDestination().id)
+                                    launchSingleTop = true
+                                    restoreState = true
+                                }
+                            }
+                        )
+                    }
+            }
+        }
+    ) { paddingVals ->
+        Text("Test $paddingVals")
+    }
+}

DBTApp/app/src/main/java/de/cdaut/dbtapp/navigation/BottomNavigationItem.kt

@@ -0,0 +1,55 @@
+package de.cdaut.dbtapp.navigation
+
+import android.content.res.Resources
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.MenuBook
+import androidx.compose.material.icons.filled.CalendarToday
+import androidx.compose.material.icons.filled.Checklist
+import androidx.compose.material.icons.filled.Home
+import androidx.compose.material.icons.filled.MenuBook
+import androidx.compose.material.icons.outlined.Star
+import androidx.compose.ui.graphics.vector.ImageVector
+import de.cdaut.dbtapp.R
+import de.cdaut.dbtapp.navigation.BottomNavigationItem
+
+data class BottomNavigationItem(
+    val label: String = "",
+    val icon: ImageVector = Icons.Filled.Home,
+    val route: String = "",
+    val idx: Int = 0
+) {
+    fun bottomNavigationItems(): List<BottomNavigationItem> {
+        return listOf(
+            BottomNavigationItem(
+                label = Resources.getSystem().getString(R.string.label_tracking),
+                icon = Icons.Filled.CalendarToday,
+                route = Screens.Tracking.route,
+                idx = 0
+            ),
+            BottomNavigationItem(
+                label = Resources.getSystem().getString(R.string.label_skillslist),
+                icon = Icons.AutoMirrored.Filled.MenuBook,
+                route = Screens.Skillslist.route,
+                idx = 1
+            ),
+            BottomNavigationItem(
+                label = Resources.getSystem().getString(R.string.label_home),
+                icon = Icons.Filled.Home,
+                route = Screens.Home.route,
+                idx = 2
+            ),
+            BottomNavigationItem(
+                label = Resources.getSystem().getString(R.string.label_favourites),
+                icon = Icons.Outlined.Star,
+                route = Screens.Favourites.route,
+                idx = 3
+            ),
+            BottomNavigationItem(
+                label = Resources.getSystem().getString(R.string.label_skillschains),
+                icon = Icons.Filled.Checklist,
+                route = Screens.Skillschains.route,
+                idx = 4
+            )
+        )
+    }
+}

DBTApp/app/src/main/java/de/cdaut/dbtapp/navigation/Screens.kt

@@ -0,0 +1,9 @@
+package de.cdaut.dbtapp.navigation
+
+sealed class Screens(val route: String) {
+    object Home : Screens("home_route")
+    object Tracking : Screens("tracking_route")
+    object Skillslist : Screens("skillslist_route")
+    object Favourites : Screens("favourites_route")
+    object Skillschains : Screens("skillschains_route")
+}

DBTApp/app/src/main/res/values-de/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">DBTApp</string>
+    <string name="label_home">Home</string>
+    <string name="label_skillslist">Skills</string>
+    <string name="label_tracking">Tracking</string>
+    <string name="label_favourites">Favoriten</string>
+    <string name="label_skillschains">Skillsketten</string>
+</resources>

DBTApp/app/src/main/res/values/strings.xml

@@ -1,3 +1,8 @@
 <resources>
     <string name="app_name">DBTApp</string>
+    <string name="label_home">Home</string>
+    <string name="label_skillslist">Skillslist</string>
+    <string name="label_tracking">Tracking</string>
+    <string name="label_favourites">Favourites</string>
+    <string name="label_skillschains">Skills Chains</string>
 </resources>

DBTApp/gradle/libs.versions.toml

@@ -8,6 +8,7 @@ junitVersion = "1.2.1"
 espressoCore = "3.6.1"
 appcompat = "1.7.0"
 material = "1.12.0"
+navigationCompose = "2.7.0-rc01"
 
 [libraries]
 androidx-activity-compose = { module = "androidx.activity:activity-compose", version.ref = "activityCompose" }
@@ -16,6 +17,7 @@ androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref =
 androidx-material-icons-core = { module = "androidx.compose.material:material-icons-core" }
 androidx-material-icons-extended = { module = "androidx.compose.material:material-icons-extended" }
 androidx-material3 = { module = "androidx.compose.material3:material3" }
+androidx-navigation-compose = { module = "androidx.navigation:navigation-compose", version.ref = "navigationCompose" }
 androidx-ui-test-manifest = { module = "androidx.compose.ui:ui-test-manifest" }
 androidx-ui-test-junit4 = { module = "androidx.compose.ui:ui-test-junit4" }
 androidx-ui-tooling = { module = "androidx.compose.ui:ui-tooling" }