Updated on 2026-08-14

app/src/main/java/com/tangem/tap/common/images/Coil.kt

@@ -3,12 +3,14 @@ package com.tangem.tap.common.images
 import android.content.Context
 import android.util.Log
 import coil.ImageLoader
+import coil.memory.MemoryCache
 import coil.util.Logger
 import com.tangem.datasource.api.common.createNetworkLoggingInterceptor
 import okhttp3.OkHttpClient
 import timber.log.Timber
 
 private const val COIL_LOG_TAG = "COIL"
+private const val COIL_MEMORY_CACHE_SIZE = 0.25
 
 fun createCoilImageLoader(context: Context, logEnabled: Boolean = false): ImageLoader {
     return ImageLoader.Builder(context)
@@ -22,6 +24,11 @@ fun createCoilImageLoader(context: Context, logEnabled: Boolean = false): ImageL
                     .build()
             }
         }
+        .memoryCache {
+            MemoryCache.Builder(context)
+                .maxSizePercent(COIL_MEMORY_CACHE_SIZE)
+                .build()
+        }
         .build()
 }
 

app/src/main/java/com/tangem/tap/common/images/DefaultImagePreloader.kt

@@ -0,0 +1,18 @@
+package com.tangem.tap.common.images
+
+import android.content.Context
+import coil.imageLoader
+import coil.request.ImageRequest
+import com.tangem.core.ui.coil.ImagePreloader
+
+internal class DefaultImagePreloader(
+    private val appContext: Context,
+) : ImagePreloader {
+    override fun preload(url: String) {
+        appContext.imageLoader.enqueue(
+            ImageRequest.Builder(appContext)
+                .data(url)
+                .build(),
+        )
+    }
+}

app/src/main/java/com/tangem/tap/di/core/ImageLoaderModule.kt

@@ -0,0 +1,22 @@
+package com.tangem.tap.di.core
+
+import android.content.Context
+import com.tangem.core.ui.coil.ImagePreloader
+import com.tangem.tap.common.images.DefaultImagePreloader
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+internal object ImageLoaderModule {
+
+    @Provides
+    @Singleton
+    fun provideImageLoader(@ApplicationContext context: Context): ImagePreloader {
+        return DefaultImagePreloader(context)
+    }
+}

app/src/main/java/com/tangem/tap/features/main/MainViewModel.kt

@@ -10,6 +10,7 @@ import com.tangem.core.analytics.models.event.TechAnalyticsEvent
 import com.tangem.core.decompose.di.GlobalUiMessageSender
 import com.tangem.core.decompose.ui.UiMessageSender
 import com.tangem.core.ui.R
+import com.tangem.core.ui.coil.ImagePreloader
 import com.tangem.core.ui.extensions.resourceReference
 import com.tangem.core.ui.message.BottomSheetMessage
 import com.tangem.core.ui.message.EventMessageAction
@@ -20,6 +21,8 @@ import com.tangem.domain.balancehiding.BalanceHidingSettings
 import com.tangem.domain.balancehiding.GetBalanceHidingSettingsUseCase
 import com.tangem.domain.balancehiding.ListenToFlipsUseCase
 import com.tangem.domain.balancehiding.UpdateBalanceHidingSettingsUseCase
+import com.tangem.domain.promo.GetStoryContentUseCase
+import com.tangem.domain.promo.models.StoryContentIds
 import com.tangem.domain.settings.DeleteDeprecatedLogsUseCase
 import com.tangem.domain.settings.IncrementAppLaunchCounterUseCase
 import com.tangem.domain.settings.usercountry.FetchUserCountryUseCase
@@ -50,6 +53,8 @@ internal class MainViewModel @Inject constructor(
     @GlobalUiMessageSender private val messageSender: UiMessageSender,
     private val keyboardValidator: KeyboardValidator,
     private val analyticsEventHandler: AnalyticsEventHandler,
+    private val getStoryContentUseCase: GetStoryContentUseCase,
+    private val imagePreloader: ImagePreloader,
     getBalanceHidingSettingsUseCase: GetBalanceHidingSettingsUseCase,
 ) : ViewModel() {
 
@@ -80,6 +85,8 @@ internal class MainViewModel @Inject constructor(
         deleteDeprecatedLogsUseCase()
 
         sendKeyboardIdentifierEvent()
+
+        preloadImages()
     }
 
     /** Loading the resources needed to run the application */
@@ -278,4 +285,20 @@ internal class MainViewModel @Inject constructor(
             }
         }
     }
+
+    // Preload stories to display on startup before navigation to targeted screen
+    private fun preloadImages() {
+        try {
+            viewModelScope.launch {
+                val swapStories = getStoryContentUseCase(StoryContentIds.STORY_FIRST_TIME_SWAP.id).getOrNull()
+                    ?: return@launch
+                val storiesImages = swapStories.getImageUrls()
+
+                // try to preload images for stories
+                storiesImages.forEach(imagePreloader::preload)
+            }
+        } catch (ex: Exception) {
+            Timber.e(ex.message)
+        }
+    }
 }