fix: Fix AppSettings

app/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'org.jetbrains.kotlin.plugin.serialization'
 }
 
 android {
@@ -49,7 +50,6 @@ android {
 }
 
 dependencies {
-
     implementation 'androidx.core:core-ktx:1.10.1'
     implementation platform('org.jetbrains.kotlin:kotlin-bom:1.8.0')
     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.1'
@@ -75,5 +75,8 @@ dependencies {
 
     implementation "androidx.datastore:datastore-preferences:1.0.0"
 
+    implementation "androidx.navigation:navigation-compose:2.6.0"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.1"
+
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.3'
 }

app/src/main/java/app/myzel394/locationtest/db/AppSettings.kt

@@ -2,11 +2,25 @@ package app.myzel394.locationtest.db
 
 import android.media.MediaRecorder
 import android.os.Build
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
 
+@Serializable
 data class AppSettings(
     val audioRecorderSettings: AudioRecorderSettings = AudioRecorderSettings(),
-)
+    val showAdvancedSettings: Boolean = false,
+) {
+    fun setShowAdvancedSettings(showAdvancedSettings: Boolean): AppSettings {
+        return copy(showAdvancedSettings = showAdvancedSettings)
+    }
 
+    companion object {
+        fun getDefaultInstance(): AppSettings = AppSettings()
+    }
+}
+
+@Serializable
 data class AudioRecorderSettings(
     // 60 seconds
     val intervalDuration: Long = 60 * 1000L,

app/src/main/java/app/myzel394/locationtest/db/AppSettingsSerializer.kt

@@ -0,0 +1,33 @@
+package app.myzel394.locationtest.db
+
+import androidx.datastore.core.Serializer
+import kotlinx.serialization.SerializationException
+import kotlinx.serialization.json.Json
+import java.io.InputStream
+import java.io.OutputStream
+
+class AppSettingsSerializer: Serializer<AppSettings> {
+    override val defaultValue: AppSettings = AppSettings.getDefaultInstance()
+
+    override suspend fun readFrom(input: InputStream): AppSettings {
+        return try {
+            Json.decodeFromString(
+                AppSettings.serializer(),
+                input.readBytes().decodeToString()
+            )
+        } catch (error: SerializationException) {
+            error.printStackTrace()
+            defaultValue
+        }
+    }
+
+    @Suppress("BlockingMethodInNonBlockingContext")
+    override suspend fun writeTo(t: AppSettings, output: OutputStream) {
+        output.write(
+            Json.encodeToString(
+                AppSettings.serializer(),
+                t
+            ).encodeToByteArray()
+        )
+    }
+}

build.gradle

@@ -3,4 +3,6 @@ plugins {
     id 'com.android.application' version '8.0.2' apply false
     id 'com.android.library' version '8.0.2' apply false
     id 'org.jetbrains.kotlin.android' version '1.9.0' apply false
+
+    id 'org.jetbrains.kotlin.plugin.serialization' version '1.8.21'
 }