v1.5: time-based rotation angle — constant speed regardless of IPC load

app/build.gradle.kts

@@ -11,8 +11,8 @@ android {
         applicationId = "me.khodak.claudeusage"
         minSdk = 26
         targetSdk = 34
-        versionCode = 2
-        versionName = "1.1"
+        versionCode = 6
+        versionName = "1.5"
     }
 
     signingConfigs {

app/src/main/java/me/khodak/claudeusage/ClaudeUsageWidget.kt

@@ -39,6 +39,7 @@ class ClaudeUsageWidget : AppWidgetProvider() {
     companion object {
         const val ACTION_REFRESH = "me.khodak.claudeusage.ACTION_REFRESH"
         @Volatile internal var isRefreshing = false
+        @Volatile internal var currentRotation = 0f
 
         fun updateWidget(context: Context, manager: AppWidgetManager, widgetId: Int) {
             val prefs = PreferencesManager(context)
@@ -149,6 +150,7 @@ class ClaudeUsageWidget : AppWidgetProvider() {
                 if (status.isNotBlank()) status else if (updatedMs > 0) formatTime(updatedMs) else "")
             v.setInt(R.id.btn_refresh, "setColorFilter",
                 if (isRefreshing) 0xFFCC785C.toInt() else 0xFF999999.toInt())
+            v.setFloat(R.id.btn_refresh, "setRotation", currentRotation)
             return v
         }
 
@@ -230,6 +232,7 @@ class ClaudeUsageWidget : AppWidgetProvider() {
             )
             v.setInt(R.id.btn_refresh, "setColorFilter",
                 if (isRefreshing) 0xFFCC785C.toInt() else 0xFF999999.toInt())
+            v.setFloat(R.id.btn_refresh, "setRotation", currentRotation)
 
             return v
         }

app/src/main/java/me/khodak/claudeusage/UsageUpdateWorker.kt

@@ -8,8 +8,12 @@ import android.content.Context
 import android.content.Intent
 import android.os.SystemClock
 import androidx.work.*
+import kotlinx.coroutines.NonCancellable
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import me.khodak.claudeusage.data.PreferencesManager
-import java.util.concurrent.TimeUnit
 
 class UsageUpdateWorker(
     private val context: Context,
@@ -22,21 +26,50 @@ class UsageUpdateWorker(
 
         prefs.markTodayActive()
 
-        // Try API — save result (even on failure, local data is preserved)
-        try {
-            val data = UsageRepository(prefs).fetchUsage()
-            prefs.saveUsageData(data)
-        } catch (_: Exception) {
-            // API failed — don't save, keep existing cached data
+        coroutineScope {
+            val animJob = launch { rotateRefreshIcon() }
+            try {
+                val data = UsageRepository(prefs).fetchUsage()
+                prefs.saveUsageData(data)
+            } catch (_: Exception) {}
+            animJob.cancel()
+            animJob.join()
         }
 
-        // Always push widget update using latest prefs + cached api data
         pushWidgetUpdate()
         return Result.success()
     }
 
+    private suspend fun rotateRefreshIcon() {
+        val manager = AppWidgetManager.getInstance(context)
+        val ids = manager.getAppWidgetIds(ComponentName(context, ClaudeUsageWidget::class.java))
+        val startMs = System.currentTimeMillis()
+        val msPerRotation = 800L // one full rotation every 0.8 seconds
+
+        fun angleAt(now: Long) = ((now - startMs) % msPerRotation) * 360f / msPerRotation
+
+        try {
+            while (true) {
+                ClaudeUsageWidget.currentRotation = angleAt(System.currentTimeMillis())
+                ids.forEach { id -> ClaudeUsageWidget.updateWidget(context, manager, id) }
+                delay(16) // aim for ~60fps; IPC speed sets the real ceiling
+            }
+        } finally {
+            // Finish the current rotation cleanly — run until at least one full spin
+            withContext(NonCancellable) {
+                val minEndMs = startMs + msPerRotation
+                while (System.currentTimeMillis() < minEndMs) {
+                    ClaudeUsageWidget.currentRotation = angleAt(System.currentTimeMillis())
+                    ids.forEach { id -> ClaudeUsageWidget.updateWidget(context, manager, id) }
+                    delay(16)
+                }
+            }
+        }
+    }
+
     private fun pushWidgetUpdate() {
         ClaudeUsageWidget.isRefreshing = false
+        ClaudeUsageWidget.currentRotation = 0f
         val manager = AppWidgetManager.getInstance(context)
         val ids = manager.getAppWidgetIds(ComponentName(context, ClaudeUsageWidget::class.java))
         ids.forEach { id -> ClaudeUsageWidget.updateWidget(context, manager, id) }