Initial commit: Pezkuwi Wallet Android

Security hardened release:
- Code obfuscation enabled (minifyEnabled=true, shrinkResources=true)
- Sensitive files excluded (google-services.json, keystores)
- Branch.io key moved to BuildConfig placeholder
- Updated dependencies: OkHttp 4.12.0, Gson 2.10.1, BouncyCastle 1.77
- Comprehensive ProGuard rules for crypto wallet
- Navigation 2.7.7, Lifecycle 2.7.0, ConstraintLayout 2.1.4

feature-dapp-api/.gitignore

@@ -0,0 +1 @@
+/build

feature-dapp-api/build.gradle

@@ -0,0 +1,23 @@
+apply plugin: 'kotlin-parcelize'
+
+android {
+    namespace 'io.novafoundation.nova.feature_dapp_api'
+
+    buildFeatures {
+        viewBinding true
+    }
+}
+
+dependencies {
+    implementation project(':feature-account-api')
+    implementation project(":feature-external-sign-api")
+    implementation project(':common')
+    implementation project(':feature-deep-linking')
+
+    implementation shimmerDep
+
+    implementation coroutinesDep
+
+    testImplementation jUnitDep
+    testImplementation mockitoDep
+}

feature-dapp-api/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

feature-dapp-api/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/data/model/BrowserHostSettings.kt

@@ -0,0 +1,6 @@
+package io.novafoundation.nova.feature_dapp_api.data.model
+
+class BrowserHostSettings(
+    val hostUrl: String,
+    val isDesktopModeEnabled: Boolean
+)

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/data/model/DApp.kt

@@ -0,0 +1,17 @@
+package io.novafoundation.nova.feature_dapp_api.data.model
+
+import io.novafoundation.nova.common.list.GroupedList
+
+class DApp(
+    val name: String,
+    val description: String,
+    val iconLink: String?,
+    val url: String,
+    val isFavourite: Boolean,
+    val favoriteIndex: Int?
+)
+
+data class DAppGroupedCatalog(
+    val popular: List<DApp>,
+    val categoriesWithDApps: GroupedList<DappCategory, DApp>
+)

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/data/model/DappMetadata.kt

@@ -0,0 +1,29 @@
+package io.novafoundation.nova.feature_dapp_api.data.model
+
+typealias DAppUrl = String
+
+class DappCatalog(
+    val popular: List<DAppUrl>,
+    val categories: List<DappCategory>,
+    val dApps: List<DappMetadata>
+)
+
+class DappMetadata(
+    val name: String,
+    val iconLink: String,
+    val url: DAppUrl,
+    val baseUrl: String,
+    val categories: Set<DappCategory>
+)
+
+data class DappCategory(
+    val iconUrl: String?,
+    val name: String,
+    val id: String
+)
+
+private const val STAKING_CATEGORY_ID = "staking"
+
+fun DappCategory.isStaking(): Boolean {
+    return id == STAKING_CATEGORY_ID
+}

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/data/model/SimpleTabModel.kt

@@ -0,0 +1,8 @@
+package io.novafoundation.nova.feature_dapp_api.data.model
+
+class SimpleTabModel(
+    val tabId: String,
+    val title: String?,
+    val knownDAppIconUrl: String?,
+    val faviconPath: String?
+)

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/data/repository/BrowserHostSettingsRepository.kt

@@ -0,0 +1,10 @@
+package io.novafoundation.nova.feature_dapp_api.data.repository
+
+import io.novafoundation.nova.feature_dapp_api.data.model.BrowserHostSettings
+
+interface BrowserHostSettingsRepository {
+
+    suspend fun getBrowserHostSettings(url: String): BrowserHostSettings?
+
+    suspend fun saveBrowserHostSettings(settings: BrowserHostSettings)
+}

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/data/repository/BrowserTabExternalRepository.kt

@@ -0,0 +1,11 @@
+package io.novafoundation.nova.feature_dapp_api.data.repository
+
+import io.novafoundation.nova.feature_dapp_api.data.model.SimpleTabModel
+import kotlinx.coroutines.flow.Flow
+
+interface BrowserTabExternalRepository {
+
+    fun observeTabsWithNames(metaId: Long): Flow<List<SimpleTabModel>>
+
+    suspend fun removeTabsForMetaAccount(metaId: Long): List<String>
+}

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/data/repository/DAppMetadataRepository.kt

@@ -0,0 +1,32 @@
+package io.novafoundation.nova.feature_dapp_api.data.repository
+
+import io.novafoundation.nova.feature_dapp_api.data.model.DappCatalog
+import io.novafoundation.nova.feature_dapp_api.data.model.DappMetadata
+import kotlinx.coroutines.flow.Flow
+
+interface DAppMetadataRepository {
+
+    suspend fun isDAppsSynced(): Boolean
+
+    suspend fun syncDAppMetadatas()
+
+    suspend fun syncAndGetDapp(baseUrl: String): DappMetadata?
+
+    suspend fun getDAppMetadata(baseUrl: String): DappMetadata?
+
+    suspend fun findDAppMetadataByExactUrlMatch(fullUrl: String): DappMetadata?
+
+    suspend fun findDAppMetadatasByBaseUrlMatch(baseUrl: String): List<DappMetadata>
+
+    suspend fun getDAppCatalog(): DappCatalog
+
+    fun observeDAppCatalog(): Flow<DappCatalog>
+}
+
+suspend fun DAppMetadataRepository.getDAppIfSyncedOrSync(baseUrl: String): DappMetadata? {
+    return if (isDAppsSynced()) {
+        getDAppMetadata(baseUrl)
+    } else {
+        syncAndGetDapp(baseUrl)
+    }
+}

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/di/DAppFeatureApi.kt

@@ -0,0 +1,14 @@
+package io.novafoundation.nova.feature_dapp_api.di
+
+import io.novafoundation.nova.feature_dapp_api.data.repository.BrowserTabExternalRepository
+import io.novafoundation.nova.feature_dapp_api.data.repository.DAppMetadataRepository
+import io.novafoundation.nova.feature_dapp_api.di.deeplinks.DAppDeepLinks
+
+interface DAppFeatureApi {
+
+    val dappMetadataRepository: DAppMetadataRepository
+
+    val browserTabsRepository: BrowserTabExternalRepository
+
+    val dAppDeepLinks: DAppDeepLinks
+}

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/di/deeplinks/DAppDeepLinks.kt

@@ -0,0 +1,5 @@
+package io.novafoundation.nova.feature_dapp_api.di.deeplinks
+
+import io.novafoundation.nova.feature_deep_linking.presentation.handling.DeepLinkHandler
+
+class DAppDeepLinks(val deepLinkHandlers: List<DeepLinkHandler>)

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/presentation/addToFavorites/AddToFavouritesPayload.kt

@@ -0,0 +1,11 @@
+package io.novafoundation.nova.feature_dapp_api.presentation.addToFavorites
+
+import android.os.Parcelable
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+class AddToFavouritesPayload(
+    val url: String,
+    val label: String?,
+    val iconLink: String?
+) : Parcelable

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/presentation/browser/main/DAppBrowserPayload.kt

@@ -0,0 +1,13 @@
+package io.novafoundation.nova.feature_dapp_api.presentation.browser.main
+
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+
+interface DAppBrowserPayload : Parcelable {
+
+    @Parcelize
+    class Tab(val id: String) : DAppBrowserPayload
+
+    @Parcelize
+    class Address(val address: String) : DAppBrowserPayload
+}

feature-dapp-api/src/main/java/io/novafoundation/nova/feature_dapp_api/presentation/view/DAppView.kt

@@ -0,0 +1,98 @@
+package io.novafoundation.nova.feature_dapp_api.presentation.view
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.ViewGroup
+import android.widget.ImageView
+import androidx.annotation.ColorRes
+import androidx.annotation.DrawableRes
+import androidx.constraintlayout.widget.ConstraintLayout
+import coil.ImageLoader
+import coil.clear
+import io.novafoundation.nova.common.di.FeatureUtils
+import io.novafoundation.nova.common.utils.inflater
+import io.novafoundation.nova.common.utils.makeVisible
+import io.novafoundation.nova.common.utils.setImageTintRes
+import io.novafoundation.nova.common.utils.setVisible
+import io.novafoundation.nova.common.utils.updatePadding
+import io.novafoundation.nova.feature_dapp_api.R
+import io.novafoundation.nova.feature_dapp_api.databinding.ViewDappBinding
+import io.novafoundation.nova.feature_external_sign_api.presentation.dapp.showDAppIcon
+
+class DAppView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyle: Int = 0,
+) : ConstraintLayout(context, attrs, defStyle) {
+
+    private val binder = ViewDappBinding.inflate(inflater(), this)
+
+    companion object {
+        fun createUsingMathParentWidth(context: Context): DAppView {
+            return DAppView(context).apply {
+                layoutParams = ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
+            }
+        }
+    }
+
+    private val imageLoader: ImageLoader by lazy(LazyThreadSafetyMode.NONE) {
+        FeatureUtils.getCommonApi(context).imageLoader()
+    }
+
+    init {
+        setBackgroundResource(R.drawable.bg_primary_list_item)
+    }
+
+    fun setTitle(name: String?) {
+        binder.itemDAppTitle.text = name
+    }
+
+    fun showTitle(show: Boolean) {
+        binder.itemDAppTitle.setVisible(show)
+    }
+
+    fun setSubtitle(url: String?) {
+        binder.itemDAppSubtitle.text = url
+    }
+
+    fun showSubtitle(show: Boolean) {
+        binder.itemDAppSubtitle.setVisible(show)
+    }
+
+    fun setIconUrl(iconUrl: String?) {
+        binder.itemDAppIcon.showDAppIcon(iconUrl, imageLoader)
+    }
+
+    fun setFavoriteIconVisible(visible: Boolean) {
+        binder.itemDappFavorite.setVisible(visible)
+    }
+
+    fun enableSubtitleIcon(): ImageView {
+        return binder.itemDAppSubtitleIcon.also { icon -> icon.makeVisible() }
+    }
+
+    fun setOnActionClickListener(listener: OnClickListener?) {
+        binder.itemDappAction.setOnClickListener(listener)
+    }
+
+    fun setActionResource(@DrawableRes iconRes: Int?, @ColorRes colorRes: Int? = null) {
+        if (iconRes == null) {
+            binder.itemDappAction.setImageDrawable(null)
+        } else {
+            binder.itemDappAction.setImageResource(iconRes)
+            binder.itemDappAction.setImageTintRes(colorRes)
+        }
+    }
+
+    fun setActionTintRes(@ColorRes color: Int?) {
+        binder.itemDappAction.setImageTintRes(color)
+    }
+
+    fun setActionEndPadding(rightPadding: Int) {
+        binder.itemDappAction.updatePadding(end = rightPadding)
+    }
+
+    fun clearIcon() {
+        binder.itemDAppIcon.clear()
+    }
+}

feature-dapp-api/src/main/res/color/dapp_category_text_tint.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true" android:color="@color/text_primary_on_content"/>
+    <item android:color="@color/button_text" />
+</selector>

feature-dapp-api/src/main/res/drawable/dapp_icon_background.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape android:shape="rectangle"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <corners android:radius="@dimen/border_radius" />
+
+    <solid android:color="@color/block_background" />
+
+    <stroke android:color="@color/container_border" android:width="0.5dp" />
+</shape>

feature-dapp-api/src/main/res/drawable/dapp_tab_background_default.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="10dp" />
+
+    <solid android:color="@color/button_background_secondary" />
+</shape>

feature-dapp-api/src/main/res/drawable/dapp_tab_background_selected.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="10dp" />
+
+    <solid android:color="@color/selected_dapp_category" />
+</shape>

feature-dapp-api/src/main/res/drawable/ic_sub_id.xml

@@ -0,0 +1,22 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="44dp"
+    android:height="44dp"
+    android:viewportWidth="44"
+    android:viewportHeight="44">
+  <path
+      android:pathData="M22,44C34.1503,44 44,34.1503 44,22C44,9.8497 34.1503,0 22,0C9.8497,0 0,9.8497 0,22C0,34.1503 9.8497,44 22,44ZM9.2784,31.9733H14.2913V11.1192H9.2784V31.9733ZM19.2529,11.1192V31.9733H26.1136C27.9183,31.9638 29.551,31.5341 31.0119,30.6843C32.4824,29.825 33.6188,28.6409 34.4209,27.1322C35.2324,25.614 35.6382,23.8999 35.6382,21.9903V21.0307C35.6287,19.14 35.2087,17.4356 34.3779,15.9173C33.5567,14.3896 32.4108,13.2103 30.9404,12.3796C29.4699,11.5393 27.8131,11.1192 25.9703,11.1192H19.2529ZM24.2802,28.1062V15.0006H25.9703C27.4503,15.0006 28.5771,15.5115 29.3505,16.5333C30.124,17.555 30.5106,19.0731 30.5106,21.0879V21.9903C30.5106,24.0146 30.124,25.5423 29.3505,26.5737C28.5771,27.5953 27.4695,28.1062 26.0276,28.1062H24.2802Z"
+      android:fillType="evenOdd">
+    <aapt:attr name="android:fillColor">
+      <gradient 
+          android:startY="0"
+          android:startX="22"
+          android:endY="44"
+          android:endX="22"
+          android:type="linear">
+        <item android:offset="0" android:color="#FFF50083"/>
+        <item android:offset="1" android:color="#FF720497"/>
+      </gradient>
+    </aapt:attr>
+  </path>
+</vector>

feature-dapp-api/src/main/res/layout/item_dapp_shimmering.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <View
+        android:id="@+id/itemDappShimerringIcon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:background="@drawable/bg_shimmering"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <View
+        android:id="@+id/itemDappShimerringTitle"
+        android:layout_width="96dp"
+        android:layout_height="12dp"
+        android:layout_marginStart="12dp"
+        android:background="@drawable/bg_shimmering"
+        app:layout_constraintBottom_toTopOf="@+id/itemDappShimerringSubTitle"
+        app:layout_constraintStart_toEndOf="@+id/itemDappShimerringIcon"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_chainStyle="packed" />
+
+    <View
+        android:id="@id/itemDappShimerringSubTitle"
+        android:layout_width="64dp"
+        android:layout_height="8dp"
+        android:layout_marginStart="12dp"
+        android:layout_marginTop="10dp"
+        android:background="@drawable/bg_shimmering"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/itemDappShimerringIcon"
+        app:layout_constraintTop_toBottomOf="@+id/itemDappShimerringTitle" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

feature-dapp-api/src/main/res/layout/layout_dapps_shimmering.xml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <com.facebook.shimmer.ShimmerFrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:orientation="vertical">
+
+            <View
+                android:layout_width="88dp"
+                android:layout_height="14dp"
+                android:layout_marginStart="16dp"
+                android:background="@drawable/bg_shimmering" />
+
+            <include
+                layout="@layout/item_dapp_shimmering"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp" />
+
+            <include
+                layout="@layout/item_dapp_shimmering"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+            <include
+                layout="@layout/item_dapp_shimmering"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+        </LinearLayout>
+
+    </com.facebook.shimmer.ShimmerFrameLayout>
+
+    <com.facebook.shimmer.ShimmerFrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="34dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:orientation="vertical">
+
+            <View
+                android:layout_width="88dp"
+                android:layout_height="14dp"
+                android:layout_marginStart="16dp"
+                android:background="@drawable/bg_shimmering" />
+
+            <include
+                layout="@layout/item_dapp_shimmering"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp" />
+
+            <include
+                layout="@layout/item_dapp_shimmering"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+            <include
+                layout="@layout/item_dapp_shimmering"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+        </LinearLayout>
+
+    </com.facebook.shimmer.ShimmerFrameLayout>
+
+</LinearLayout>

feature-dapp-api/src/main/res/layout/view_dapp.xml

@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@drawable/bg_primary_list_item"
+    tools:background="@color/block_background"
+    tools:parentTag="androidx.constraintlayout.widget.ConstraintLayout">
+
+    <ImageView
+        android:id="@+id/itemDAppIcon"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:background="@drawable/dapp_icon_background"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0"
+        tools:src="@drawable/ic_sub_id" />
+
+    <TextView
+        android:id="@+id/itemDAppTitle"
+        style="@style/TextAppearance.NovaFoundation.Regular.Body"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="12dp"
+        android:layout_marginEnd="24dp"
+        android:ellipsize="end"
+        android:includeFontPadding="false"
+        android:maxLines="1"
+        android:singleLine="true"
+        android:textColor="@color/text_primary"
+        app:layout_constraintBottom_toTopOf="@+id/itemDAppSubtitle"
+        app:layout_constraintEnd_toStartOf="@+id/itemDappAction"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@id/itemDAppIcon"
+        app:layout_constraintTop_toTopOf="@+id/itemDAppIcon"
+        app:layout_constraintVertical_chainStyle="packed"
+        tools:text="Astar" />
+
+    <ImageView
+        android:id="@+id/itemDAppSubtitleIcon"
+        android:layout_width="16dp"
+        android:layout_height="16dp"
+        android:layout_marginTop="2dp"
+        android:visibility="gone"
+        app:layout_constraintStart_toStartOf="@+id/itemDAppTitle"
+        app:layout_constraintTop_toBottomOf="@+id/itemDAppTitle"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/itemDAppSubtitle"
+        style="@style/TextAppearance.NovaFoundation.Regular.Footnote"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="2dp"
+        android:layout_marginEnd="24dp"
+        android:ellipsize="end"
+        android:includeFontPadding="false"
+        android:maxLines="1"
+        android:textColor="@color/text_secondary"
+        app:layout_constraintBottom_toBottomOf="@+id/itemDAppIcon"
+        app:layout_constraintEnd_toStartOf="@+id/itemDappAction"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toEndOf="@+id/itemDAppSubtitleIcon"
+        app:layout_constraintTop_toBottomOf="@+id/itemDAppTitle"
+        app:layout_goneMarginStart="0dp"
+        tools:text="Staking" />
+
+    <ImageView
+        android:id="@+id/itemDappFavorite"
+        android:layout_width="12dp"
+        android:layout_height="12dp"
+        android:layout_marginStart="40dp"
+        android:layout_marginBottom="38dp"
+        android:src="@drawable/ic_favorite_heart_filled_20"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@+id/itemDAppIcon"
+        app:layout_constraintStart_toStartOf="@+id/itemDAppIcon"
+        app:tint="@color/mimi_icon_favorite"
+        tools:visibility="visible" />
+
+    <ImageView
+        android:id="@+id/itemDappAction"
+        android:layout_width="wrap_content"
+        android:layout_height="0dp"
+        android:paddingStart="10dp"
+        android:paddingEnd="20dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:src="@drawable/ic_close" />
+</merge>

feature-dapp-api/src/main/res/values/styles.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Widget.Nova.DappCategory.Shimmering" parent="">
+        <item name="android:layout_width">48dp</item>
+        <item name="android:layout_height">10dp</item>
+        <item name="android:background">@drawable/bg_shimmering</item>
+        <item name="android:layout_marginEnd">32dp</item>
+    </style>
+</resources>