refactor: improve partner customization

app/src/main/java/im/angry/openeuicc/util/Partner.kt

@@ -11,28 +11,23 @@ class Partner {
     companion object {
         private const val ACTION = "com.google.android.euicc.action.PARTNER_CUSTOMIZATION"
 
-        private val instances = mutableMapOf<String, Partner?>()
-
-        private val packageFlags: Int
-            get() {
-                val flags = if (BuildConfig.DEBUG)
+        fun getInstance(context: Context, action: String = ACTION): Partner? {
+            var flags = if (BuildConfig.DEBUG)
                 PackageManager.MATCH_UNINSTALLED_PACKAGES else
                 PackageManager.MATCH_SYSTEM_ONLY
-                return flags or PackageManager.MATCH_DISABLED_COMPONENTS
-            }
-
-        fun getInstance(context: Context, action: String = ACTION) = instances.getOrPut(action) {
-            context.packageManager
-                .queryBroadcastReceivers(Intent(action), packageFlags)
+            flags = flags or PackageManager.MATCH_DISABLED_COMPONENTS
+            val apps = context.packageManager
+                .queryBroadcastReceivers(Intent(action), flags)
                 .mapNotNull { it.activityInfo?.applicationInfo }
-                .firstNotNullOfOrNull {
+            for (app in apps) {
                 try {
-                        context.packageManager.getResourcesForApplication(it)
+                    val resources = context.packageManager.getResourcesForApplication(app)
+                    return Partner(resources)
                 } catch (_: PackageManager.NameNotFoundException) {
-                        null
+                    continue
                 }
             }
-                ?.let(::Partner)
+            return null
         }
     }