防止重复注册

yizems · May 9, 2020 · d15902a · d15902a
1 parent eef3f8d
commit d15902a
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/savedelegate/src/main/java/cn/yzl/saved/delegate/SavedDelegateHelper.kt b/savedelegate/src/main/java/cn/yzl/saved/delegate/SavedDelegateHelper.kt
@@ -66,9 +66,14 @@ object SavedDelegateHelper {
         savedStateRegistry: SavedStateRegistry,
         obj: Any
     ) {
+        if (isRegisted(obj)) {
+            return
+        }
         val provider = getOrCreateSavedProvider(obj)
         savedStateRegistry.registerSavedStateProvider(KEY, provider)
     }
+    /** 是否已经注册 */
+    fun isRegisted(obj: Any) = providers.containsKey(obj.hashCode())
 
     /**
      * 注册
@@ -139,4 +144,4 @@ object SavedDelegateHelper {
             }
         return bundle
     }
-}
+}