- adds reset logic

- updates widgets size
- adds unit test for ReadingChallengeWidgetRepository resolveState and recalculateStreakIfNeeded function
- code fixes

Author: Williamrai

app/src/main/java/org/wikipedia/settings/Prefs.kt

@@ -900,4 +900,8 @@ object Prefs {
     var hasReadToday
         get() = PrefsIoUtil.getBoolean(R.string.preference_key_has_read_today, false)
         set(value) = PrefsIoUtil.setBoolean(R.string.preference_key_has_read_today, value)
+
+    var lastReadDate: String
+        get() = PrefsIoUtil.getString(R.string.preference_key_last_read_date, "").orEmpty()
+        set(value) = PrefsIoUtil.setString(R.string.preference_key_last_read_date, value)
 }

app/src/main/java/org/wikipedia/widgets/readingchallenge/ReadingChallengeWidgetRepository.kt

@@ -11,21 +11,25 @@ import org.wikipedia.settings.Prefs
 import java.time.LocalDate
 
 class ReadingChallengeWidgetRepository(private val context: Context) {
-    private val START_DATE = LocalDate.of(2026, 3, 1)
+    private val START_DATE = LocalDate.of(2026, 5, 1)
     private val END_DATE = LocalDate.of(2026, 5, 31)
     private val REMOVE_DATE = LocalDate.of(2026, 7, 10)
 
     fun observeState(): Flow<ReadingChallengeState> {
         val prefs = PreferenceManager.getDefaultSharedPreferences(context)
         return callbackFlow {
-            fun emit() = trySend(resolveState(
-                ReadingChallengeUserData(
-                    currentDate = LocalDate.now(),
-                    isEnrolled = Prefs.isEnrolled,
-                    currentStreak = Prefs.currentStreak,
-                    hasReadToday = Prefs.hasReadToday
-                )
-            ))
+            fun emit() {
+                val currentDate = LocalDate.now()
+                recalculateStreakIfNeeded(currentDate)
+                trySend(resolveState(
+                    ReadingChallengeUserData(
+                        currentDate = currentDate,
+                        isEnrolled = Prefs.isEnrolled,
+                        currentStreak = Prefs.currentStreak,
+                        hasReadToday = Prefs.hasReadToday
+                    )
+                ))
+            }
 
             val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, _ -> emit() }
             prefs.registerOnSharedPreferenceChangeListener(listener)
@@ -79,4 +83,17 @@ class ReadingChallengeWidgetRepository(private val context: Context) {
             ReadingChallengeState.StreakOngoingNeedsReading(userData.currentStreak)
         }
     }
+
+    fun recalculateStreakIfNeeded(currentDate: LocalDate) {
+        val lastReadDateStr = Prefs.lastReadDate
+        if (lastReadDateStr.isNotEmpty()) {
+            val lastReadDate = LocalDate.parse(lastReadDateStr)
+            val daysBetween = java.time.temporal.ChronoUnit.DAYS.between(lastReadDate,
+                currentDate)
+            if (daysBetween > 1) {
+                Prefs.hasReadToday = false
+                Prefs.currentStreak = 0
+            }
+        }
+    }
 }

app/src/main/java/org/wikipedia/widgets/readingchallenge/largewidget/ReadingChallengeLargeWidget.kt

@@ -14,7 +14,7 @@ import org.wikipedia.widgets.readingchallenge.ReadingChallengeWidgetRepository
 
 class ReadingChallengeLargeWidget : GlanceAppWidget() {
 
-    override val sizeMode: SizeMode = SizeMode.Exact
+    override val sizeMode: SizeMode = SizeMode.Single
 
     override suspend fun provideGlance(
         context: Context,

app/src/main/java/org/wikipedia/widgets/readingchallenge/smallwidget/ReadingChallengeSmallWidget.kt

@@ -14,7 +14,7 @@ import org.wikipedia.widgets.readingchallenge.ReadingChallengeWidgetRepository
 
 class ReadingChallengeSmallWidget : GlanceAppWidget() {
 
-    override val sizeMode: SizeMode = SizeMode.Exact
+    override val sizeMode: SizeMode = SizeMode.Single
 
     override suspend fun provideGlance(
         context: Context,

app/src/main/res/values/preference_keys.xml

@@ -213,4 +213,5 @@
     <string name="preference_key_streak">streak</string>
     <string name="preference_key_is_enrolled">isEnrolled</string>
     <string name="preference_key_has_read_today">hasReadToday</string>
+    <string name="preference_key_last_read_date">lastReadDate</string>
 </resources>

app/src/main/res/xml/reading_challenge_small_widget_info.xml

@@ -5,8 +5,10 @@
     android:initialLayout="@layout/reading_challenge_widget_loading"
     android:minWidth="110dp"
     android:minHeight="110dp"
+    android:maxResizeHeight="110dp"
+    android:maxResizeWidth="110dp"
     android:resizeMode="none"
-    android:targetCellHeight="1"
+    android:targetCellHeight="2"
     android:targetCellWidth="2"
     android:updatePeriodMillis="86400000"
     android:widgetCategory="home_screen"

app/src/main/res/xml/reading_challenge_widget_info.xml

@@ -3,11 +3,11 @@
 <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:initialLayout="@layout/reading_challenge_widget_loading"
-    android:minWidth="200dp"
-    android:minHeight="130dp"
+    android:minWidth="320dp"
+    android:minHeight="132dp"
     android:resizeMode="none"
-    android:targetCellHeight="2"
-    android:targetCellWidth="4"
+    android:targetCellWidth="5"
+    android:targetCellHeight="1"
     android:updatePeriodMillis="86400000"
     android:widgetCategory="home_screen"
     tools:targetApi="31">