Fixes anr when initializing ProviderAssetManager

android/app/build.gradle

@@ -50,6 +50,8 @@ dependencies {
   //Mockk
   testImplementation "io.mockk:mockk:1.12.0"
   androidTestImplementation "io.mockk:mockk-android:1.12.0"
+
+  implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.1'
 }
 
 repositories {

android/app/src/main/java/com/bitcoin/assetconverter/mappings/BanxaAssetMapping.kt

@@ -1,12 +1,14 @@
 package com.bitcoin.assetconverter.mappings
 
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.JsonNames
 
 @Serializable
 data class BanxaAssetMapping(
     val assets: List<Assets>
 ): AssetMapping() {
+    @OptIn(ExperimentalSerializationApi::class)
     @Serializable
     data class Assets (
         @JsonNames("compound_key") val compoundKey: String,

android/app/src/main/java/com/bitcoin/assetconverter/mappings/MoonpayAssetMapping.kt

@@ -1,12 +1,14 @@
 package com.bitcoin.assetconverter.mappings
 
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.JsonNames
 
 @Serializable
 data class MoonpayAssetMapping(
     val assets: List<Assets>
 ): AssetMapping() {
+    @OptIn(ExperimentalSerializationApi::class)
     @Serializable
     data class Assets (
         @JsonNames("currency_code") val currencyCode: String,

android/app/src/main/java/com/bitcoin/assetconverter/mappings/SimplexAssetMapping.kt

@@ -1,12 +1,15 @@
 package com.bitcoin.assetconverter.mappings
 
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.JsonNames
 
 @Serializable
 data class SimplexAssetMapping(
     val assets: List<Assets>
 ): AssetMapping() {
+
+    @OptIn(ExperimentalSerializationApi::class)
     @Serializable
     data class Assets (
         @JsonNames("currency_code") val currencyCode: String,

android/app/src/main/java/com/bitcoin/assetconverter/models/ProviderAssets.kt

@@ -1,11 +1,13 @@
 package com.bitcoin.assetconverter.models
 
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.JsonNames
 
 @Serializable
 data class ProviderAssets(val assets: List<Assets>) {
 
+    @OptIn(ExperimentalSerializationApi::class)
     @Serializable
     data class Assets(
         @JsonNames("compound_key", "currency_code") val providerKey: String,

android/app/src/main/java/com/bitcoin/assetconverter/providers/ProviderAssetManager.kt

@@ -2,25 +2,36 @@ package com.bitcoin.assetconverter.providers
 
 import android.content.Context
 import com.bitcoin.assetconverter.models.ProviderAssets
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.decodeFromStream
 
-class ProviderAssetManager(context: Context){
+class ProviderAssetManager(private val context: Context){
 
-    val assets: MutableMap<ProviderType, List<ProviderAssets.Assets>> = mutableMapOf()
-    init {
-        val json = Json { ignoreUnknownKeys = true }
-        ProviderType.values().forEach {
-            val assetManager = context.assets
-            assetManager.open(it.resource).use { inputStream ->
+    private val assets: MutableMap<ProviderType, List<ProviderAssets.Assets>> = mutableMapOf()
+    private val json = Json { ignoreUnknownKeys = true }
+
+    suspend fun preloadAssets() = withContext(Dispatchers.IO) {
+        ProviderType.values().forEach { provider ->
+            assets[provider] = loadAssets(provider)
+        }
+    }
+
+    @OptIn(ExperimentalSerializationApi::class)
+    private fun loadAssets(provider: ProviderType): List<ProviderAssets.Assets> {
+        return try {
+            context.assets.open(provider.resource).use { inputStream ->
                 val assetMapping: ProviderAssets = json.decodeFromStream(inputStream)
-                assets[it] = assetMapping.assets
+                assetMapping.assets
             }
+        } catch (e: Exception) {
+            emptyList()
         }
     }
 
-    fun getAssets(provider: ProviderType): List<ProviderAssets.Assets>{
-        return assets[provider] ?: listOf()
+    fun getAssets(provider: ProviderType): List<ProviderAssets.Assets> {
+        return assets[provider] ?: emptyList()
     }
-
-}
+}

build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.8.10'
+    ext.kotlin_version = '2.1.0'
 
     repositories {
         google()

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
-#Wed Oct 12 10:15:37 JST 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 distributionPath=wrapper/dists
-zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists