Updated on 2026-08-14

app/build.gradle.kts

@@ -231,6 +231,7 @@ dependencies {
     implementation(deps.reownCore)
     implementation(deps.reownWeb3)
     implementation(deps.prettyLogger)
+    implementation(deps.decompose.ext.compose)
 
     /** Testing libraries */
     testImplementation(deps.test.coroutine)

app/src/main/java/com/tangem/tap/MainActivity.kt

@@ -10,12 +10,15 @@ import android.view.MotionEvent
 import android.view.View
 import android.view.WindowManager
 import androidx.activity.SystemBarStyle
+import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.viewModels
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.appcompat.app.AppCompatDelegate.setDefaultNightMode
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.toArgb
 import androidx.coordinatorlayout.widget.CoordinatorLayout
@@ -260,10 +263,7 @@ class MainActivity : AppCompatActivity(), SnackbarHandler, ActivityResultCallbac
         observeAppThemeModeUpdates()
 
         if (routingFeatureToggles.isNavigationRefactoringEnabled) {
-            TODO(
-                "Will be implemented in [REDACTED_JIRA] " +
-                    "and in [REDACTED_JIRA]",
-            )
+            setRootContent()
         } else {
             setContentView(R.layout.activity_main)
             installRouting()
@@ -281,6 +281,16 @@ class MainActivity : AppCompatActivity(), SnackbarHandler, ActivityResultCallbac
         }
     }
 
+    private fun setRootContent() {
+        val routingComponent = routingComponentFactory.create(
+            context = rootComponentContext,
+        )
+
+        setContent {
+            routingComponent.Content(Modifier.fillMaxSize())
+        }
+    }
+
     private fun installRouting() {
         val routingComponent = routingComponentFactory.create(
             context = rootComponentContext,

app/src/main/java/com/tangem/tap/routing/RootContent.kt

@@ -0,0 +1,47 @@
+package com.tangem.tap.routing
+
+import android.app.Activity
+import android.os.Bundle
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.core.content.ContextCompat.startActivity
+import com.arkivanov.decompose.extensions.compose.jetpack.stack.Children
+import com.arkivanov.decompose.router.stack.ChildStack
+import com.tangem.common.routing.AppRoute
+import com.tangem.core.ui.UiDependencies
+import com.tangem.core.ui.res.TangemTheme
+import com.tangem.tap.routing.component.RoutingComponent
+
+@Composable
+internal fun RootContent(
+    stack: ChildStack<AppRoute, RoutingComponent.Child>,
+    uiDependencies: UiDependencies,
+    modifier: Modifier = Modifier,
+) {
+    val context = LocalContext.current
+
+    TangemTheme(
+        activity = context as Activity,
+        uiDependencies = uiDependencies,
+    ) {
+        Children(
+            modifier = modifier,
+            stack = stack,
+        ) { child ->
+            when (val instance = child.instance) {
+                is RoutingComponent.Child.Initial -> Unit
+                is RoutingComponent.Child.ComposableComponent -> {
+                    instance.component.Content(Modifier.fillMaxSize())
+                }
+                is RoutingComponent.Child.LegacyIntent -> {
+                    // TODO: Remove and use it's own router: [REDACTED_JIRA]
+                    startActivity(context, instance.intent, Bundle.EMPTY)
+                }
+                is RoutingComponent.Child.LegacyFragment,
+                -> error("Unsupported child: $instance")
+            }
+        }
+    }
+}

app/src/main/java/com/tangem/tap/routing/component/impl/DefaultRoutingComponent.kt

@@ -2,8 +2,10 @@ package com.tangem.tap.routing.component.impl
 
 import androidx.compose.material3.SnackbarDuration
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import com.arkivanov.decompose.ComponentContext
+import com.arkivanov.decompose.extensions.compose.jetpack.subscribeAsState
 import com.arkivanov.decompose.router.stack.ChildStack
 import com.arkivanov.decompose.router.stack.childStack
 import com.arkivanov.decompose.value.Value
@@ -15,10 +17,12 @@ import com.tangem.common.routing.AppRoute
 import com.tangem.core.decompose.context.AppComponentContext
 import com.tangem.core.decompose.context.childByContext
 import com.tangem.core.decompose.navigation.getOrCreateTyped
+import com.tangem.core.ui.UiDependencies
 import com.tangem.core.ui.extensions.TextReference
 import com.tangem.core.ui.extensions.resourceReference
 import com.tangem.core.ui.message.SnackbarMessage
 import com.tangem.tap.common.SnackbarHandler
+import com.tangem.tap.routing.RootContent
 import com.tangem.tap.routing.component.RoutingComponent
 import com.tangem.tap.routing.component.RoutingComponent.Child
 import com.tangem.tap.routing.configurator.AppRouterConfig
@@ -34,6 +38,7 @@ internal class DefaultRoutingComponent @AssistedInject constructor(
     private val childFactory: ChildFactory,
     private val appRouterConfig: AppRouterConfig,
     private val routingFeatureToggles: RoutingFeatureToggles,
+    private val uiDependencies: UiDependencies,
 ) : RoutingComponent,
     AppComponentContext by context,
     SnackbarHandler {
@@ -72,7 +77,13 @@ internal class DefaultRoutingComponent @AssistedInject constructor(
 
     @Composable
     override fun Content(modifier: Modifier) {
-        // TODO: Implement in [REDACTED_JIRA]
+        val stack by this.stack.subscribeAsState()
+
+        RootContent(
+            modifier = modifier,
+            stack = stack,
+            uiDependencies = uiDependencies,
+        )
     }
 
     override fun showSnackbar(text: Int, length: Int, buttonTitle: Int?, action: (() -> Unit)?) {

core/ui/src/main/java/com/tangem/core/ui/res/TangemTheme.kt

@@ -1,5 +1,7 @@
 package com.tangem.core.ui.res
 
+import android.app.Activity
+import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.text.selection.LocalTextSelectionColors
 import androidx.compose.foundation.text.selection.TextSelectionColors
 import androidx.compose.material.Colors
@@ -10,13 +12,40 @@ import androidx.compose.runtime.*
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalView
 import com.google.accompanist.systemuicontroller.rememberSystemUiController
+import com.tangem.core.ui.UiDependencies
 import com.tangem.core.ui.components.TangemShimmer
 import com.tangem.core.ui.haptic.DefaultHapticManager
 import com.tangem.core.ui.haptic.HapticManager
 import com.tangem.core.ui.haptic.VibratorHapticManager
 import com.tangem.core.ui.windowsize.WindowSize
+import com.tangem.core.ui.windowsize.rememberWindowSize
+import com.tangem.domain.apptheme.model.AppThemeMode
 import com.valentinilk.shimmer.Shimmer
 
+@Composable
+fun TangemTheme(
+    activity: Activity,
+    uiDependencies: UiDependencies,
+    typography: TangemTypography = TangemTheme.typography,
+    dimens: TangemDimens = TangemTheme.dimens,
+    overrideSystemBarColors: Boolean = true,
+    content: @Composable () -> Unit,
+) {
+    val appThemeMode by uiDependencies.appThemeModeHolder.appThemeMode
+    val windowSize = rememberWindowSize(activity = activity)
+
+    TangemTheme(
+        isDark = shouldUseDarkTheme(appThemeMode),
+        windowSize = windowSize,
+        vibratorHapticManager = uiDependencies.vibratorHapticManager,
+        snackbarHostState = uiDependencies.globalSnackbarHostState,
+        overrideSystemBarColors = overrideSystemBarColors,
+        typography = typography,
+        dimens = dimens,
+        content = content,
+    )
+}
+
 @Composable
 fun TangemTheme(
     isDark: Boolean = false,
@@ -266,4 +295,20 @@ val LocalTangemShimmer = staticCompositionLocalOf<Shimmer> {
 
 val LocalMainBottomSheetColor = staticCompositionLocalOf<MutableState<Color>> {
     error("No MainBottomSheetColor provided")
+}
+
+/**
+ * Determines whether the dark theme should be used based on the given [AppThemeMode].
+ *
+ * @param appThemeMode The application theme mode.
+ * @return `true` if the dark theme should be used, `false` otherwise.
+ */
+@Composable
+@ReadOnlyComposable
+private fun shouldUseDarkTheme(appThemeMode: AppThemeMode): Boolean {
+    return when (appThemeMode) {
+        AppThemeMode.FORCE_DARK -> true
+        AppThemeMode.FORCE_LIGHT -> false
+        AppThemeMode.FOLLOW_SYSTEM -> isSystemInDarkTheme()
+    }
 }

core/ui/src/main/java/com/tangem/core/ui/screen/ComposeScreen.kt

@@ -2,17 +2,13 @@ package com.tangem.core.ui.screen
 
 import android.app.Activity
 import android.content.Context
-import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.ReadOnlyComposable
-import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.ComposeView
 import com.tangem.core.ui.UiDependencies
 import com.tangem.core.ui.res.TangemTheme
-import com.tangem.core.ui.windowsize.rememberWindowSize
-import com.tangem.domain.apptheme.model.AppThemeMode
 
 /**
  * Interface representing a Compose screen with common theming and content composition properties.
@@ -60,34 +56,13 @@ internal fun ComposeScreen.createComposeView(
 ): ComposeView {
     return ComposeView(context).apply {
         setContent {
-            val appThemeMode by uiDependencies.appThemeModeHolder.appThemeMode
-            val windowSize = rememberWindowSize(activity = activity)
-
             TangemTheme(
-                isDark = shouldUseDarkTheme(appThemeMode),
-                windowSize = windowSize,
-                vibratorHapticManager = uiDependencies.vibratorHapticManager,
-                snackbarHostState = uiDependencies.globalSnackbarHostState,
+                activity = activity,
+                uiDependencies = uiDependencies,
                 overrideSystemBarColors = overrideSystemBarColors,
             ) {
                 ScreenContent(modifier = screenModifier)
             }
         }
     }
-}
-
-/**
- * Determines whether the dark theme should be used based on the given [AppThemeMode].
- *
- * @param appThemeMode The application theme mode.
- * @return `true` if the dark theme should be used, `false` otherwise.
- */
-@Composable
-@ReadOnlyComposable
-private fun shouldUseDarkTheme(appThemeMode: AppThemeMode): Boolean {
-    return when (appThemeMode) {
-        AppThemeMode.FORCE_DARK -> true
-        AppThemeMode.FORCE_LIGHT -> false
-        AppThemeMode.FOLLOW_SYSTEM -> isSystemInDarkTheme()
-    }
 }