Домашнее задание по Compose №1

app/build.gradle

@@ -3,6 +3,7 @@ plugins {
     alias(libs.plugins.kotlinAndroid)
     alias(libs.plugins.kotlinxSerialization)
     alias(libs.plugins.kapt)
+    alias(libs.plugins.compose.compiler)
 }
 
 android {
@@ -34,9 +35,20 @@ android {
     }
     buildFeatures {
         viewBinding true
+        compose true
     }
 }
 
+composeCompiler {
+    reportsDestination.set(
+            layout.buildDirectory.dir("compose-reports")
+    )
+
+    metricsDestination.set(
+            layout.buildDirectory.dir("compose-metrics")
+    )
+}
+
 dependencies {
     implementation project(":common:di")
     implementation project(":common:formatters")
@@ -53,8 +65,6 @@ dependencies {
     implementation libs.lifecycle.viewmodel.ktx
     implementation libs.fragment.ktx
     implementation libs.lifecycle.runtime.ktx
-    implementation libs.navigation.fragment.ktx
-    implementation libs.navigation.ui.ktx
     implementation libs.coil
     implementation libs.gson
     implementation libs.bundles.network
@@ -63,6 +73,17 @@ dependencies {
     implementation libs.androidx.datastore
     implementation libs.androidx.datastore.preferences
 
+    implementation libs.androidx.foundation
+    implementation libs.androidx.foundation.layout
+    implementation libs.androidx.material3
+    implementation libs.androidx.activity.compose
+    implementation libs.androidx.lifecycle.viewmodel.compose
+    implementation libs.androidx.lifecycle.runtime.compose
+
+    implementation libs.compose.coil
+
+    implementation libs.androidx.navigation.compose
+
     implementation libs.dagger
     kapt libs.daggerCompiler
 

app/src/main/java/ru/otus/marketsample/BottomBar.kt

@@ -0,0 +1,48 @@
+package ru.otus.marketsample
+
+import androidx.compose.material3.Icon
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.painterResource
+import androidx.navigation.NavController
+import ru.otus.common.ui.R
+
+@Composable
+fun BottomBar(
+    navController: NavController
+){
+    NavigationBar {
+        NavigationBarItem(
+            selected = true,
+            onClick = {
+                navController.navigate("products")
+            },
+            icon = {
+                Icon(
+                    painter = painterResource(R.drawable.ic_list),
+                    contentDescription = "Products"
+                )
+            },
+            label = {
+                Text("Products")
+            }
+        )
+        NavigationBarItem(
+            selected = false,
+            onClick = {
+                navController.navigate("promo")
+            },
+            icon = {
+                Icon(
+                    painter = painterResource(R.drawable.ic_discount),
+                    contentDescription = "Promo"
+                )
+            },
+            label = {
+                Text("Promo")
+            }
+        )
+    }
+}

app/src/main/java/ru/otus/marketsample/MainActivity.kt

@@ -3,24 +3,42 @@ package ru.otus.marketsample
 import android.os.Bundle
 import androidx.activity.enableEdgeToEdge
 import androidx.appcompat.app.AppCompatActivity
-import androidx.core.view.ViewCompat
-import androidx.core.view.WindowInsetsCompat
-import ru.otus.marketsample.databinding.ActivityMainBinding
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Scaffold
+import androidx.compose.ui.Modifier
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import ru.otus.marketsample.navigation.CreateGraph
 
 class MainActivity : AppCompatActivity() {
 
-    private lateinit var binding: ActivityMainBinding
-
     override fun onCreate(savedInstanceState: Bundle?) {
         enableEdgeToEdge()
         super.onCreate(savedInstanceState)
-        binding = ActivityMainBinding.inflate(layoutInflater)
-        setContentView(binding.root)
-
-        ViewCompat.setOnApplyWindowInsetsListener(binding.container) { view, insets ->
-            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
-            view.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
-            insets
+
+        setContent {
+            val navController = rememberNavController()
+
+            val currentRoute = navController
+                .currentBackStackEntryAsState()
+                .value
+                ?.destination
+                ?.route
+
+            Scaffold(
+                bottomBar = {
+                    if (currentRoute != "details/{productId}") {
+                        BottomBar(navController = navController)
+                    }
+                }
+            ) { padding ->
+                CreateGraph(
+                    navController = navController,
+                    appComponent = (application as MarketSampleApp).appComponent,
+                    modifier = Modifier.padding(padding)
+                )
+            }
         }
     }
 }