From 2e5b0d6dbdcf8cf5868c909fb114b2412aa279d1 Mon Sep 17 00:00:00 2001
From: timklge <2026103+timklge@users.noreply.github.com>
Date: Thu, 17 Apr 2025 18:12:43 +0200
Subject: [PATCH] Reset preferences if file is corrupted (#92)

---
 .../main/kotlin/de/timklge/karooheadwind/DataStore.kt    | 9 +++++++++
 .../main/kotlin/de/timklge/karooheadwind/MainActivity.kt | 6 ------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/app/src/main/kotlin/de/timklge/karooheadwind/DataStore.kt b/app/src/main/kotlin/de/timklge/karooheadwind/DataStore.kt
index f956a63..86fa1d4 100644
--- a/app/src/main/kotlin/de/timklge/karooheadwind/DataStore.kt
+++ b/app/src/main/kotlin/de/timklge/karooheadwind/DataStore.kt
@@ -2,8 +2,13 @@ package de.timklge.karooheadwind
 
 import android.content.Context
 import android.util.Log
+import androidx.datastore.core.DataStore
+import androidx.datastore.core.handlers.ReplaceFileCorruptionHandler
+import androidx.datastore.preferences.core.Preferences
 import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.emptyPreferences
 import androidx.datastore.preferences.core.stringPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
 import com.mapbox.geojson.LineString
 import com.mapbox.geojson.Point
 import com.mapbox.turf.TurfConstants
@@ -34,6 +39,10 @@ import kotlinx.serialization.json.Json
 import kotlin.math.absoluteValue
 import kotlin.time.Duration.Companion.minutes
 
+val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "settings", corruptionHandler = ReplaceFileCorruptionHandler {
+    Log.w(KarooHeadwindExtension.TAG, "Error reading settings, using default values")
+    emptyPreferences()
+})
 
 val jsonWithUnknownKeys = Json { ignoreUnknownKeys = true }
 
diff --git a/app/src/main/kotlin/de/timklge/karooheadwind/MainActivity.kt b/app/src/main/kotlin/de/timklge/karooheadwind/MainActivity.kt
index 894ea51..e06abda 100644
--- a/app/src/main/kotlin/de/timklge/karooheadwind/MainActivity.kt
+++ b/app/src/main/kotlin/de/timklge/karooheadwind/MainActivity.kt
@@ -1,17 +1,11 @@
 package de.timklge.karooheadwind
 
-import android.content.Context
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.datastore.core.DataStore
-import androidx.datastore.preferences.core.Preferences
-import androidx.datastore.preferences.preferencesDataStore
 import de.timklge.karooheadwind.screens.MainScreen
 import de.timklge.karooheadwind.theme.AppTheme
 
-val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "settings")
-
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)