优化接口封装

example/ios/Runner/PlatformRouterImp.m

@@ -21,18 +21,23 @@
   completion:(void (^)(BOOL))completion
 {
     BOOL animated = [exts[@"animated"] boolValue];
-    if([params[@"present"] boolValue]){
-        FLBFlutterViewContainer *vc = FLBFlutterViewContainer.new;
-        [vc setName:name params:params];
-        [self.navigationController presentViewController:vc animated:animated completion:^{
-            if(completion) completion(YES);
-        }];
-    }else{
-        FLBFlutterViewContainer *vc = FLBFlutterViewContainer.new;
-        [vc setName:name params:params];
-        [self.navigationController pushViewController:vc animated:animated];
+    FLBFlutterViewContainer *vc = FLBFlutterViewContainer.new;
+    [vc setName:name params:params];
+    [self.navigationController pushViewController:vc animated:animated];
+    if(completion) completion(YES);
+}
+
+- (void)present:(NSString *)name
+   urlParams:(NSDictionary *)params
+        exts:(NSDictionary *)exts
+  completion:(void (^)(BOOL))completion
+{
+    BOOL animated = [exts[@"animated"] boolValue];
+    FLBFlutterViewContainer *vc = FLBFlutterViewContainer.new;
+    [vc setName:name params:params];
+    [self.navigationController presentViewController:vc animated:animated completion:^{
         if(completion) completion(YES);
-    }
+    }];
 }
 
 - (void)close:(NSString *)uid

ios/Classes/Boost/FLBPlatform.h

@@ -51,6 +51,20 @@ NS_ASSUME_NONNULL_BEGIN
         exts:(NSDictionary *)exts
       completion:(void (^)(BOOL finished))completion;
 
+/**
+ * 基于Native平台实现present页面打开，Dart层的页面打开能力依赖于这个函数实现；Native或者Dart侧不建议直接使用这个函数。应直接使用FlutterBoost封装的函数
+ *
+ * @param url 打开的页面资源定位符
+ * @param urlParams 传人页面的参数; 若有特殊逻辑，可以通过这个参数设置回调的id
+ * @param exts 额外参数
+ * @param completion 打开页面的即时回调，页面一旦打开即回调
+ */
+@optional
+- (void)present:(NSString *)url
+   urlParams:(NSDictionary *)urlParams
+        exts:(NSDictionary *)exts
+  completion:(void (^)(BOOL finished))completion;
+
 /**
  * 基于Native平台实现页面关闭，Dart层的页面关闭能力依赖于这个函数实现；Native或者Dart侧不建议直接使用这个函数。应直接使用FlutterBoost封装的函数
  *

ios/Classes/Engine/FLBFlutterApplication.m

@@ -186,11 +186,17 @@
     }
     
     _callbackCache[cid] = resultCallback;
-    
-    [self.platform open:url
-              urlParams:urlParams
-                   exts:exts
-             completion:completion];
+    if([urlParams[@"present"]respondsToSelector:@selector(boolValue)] && [urlParams[@"present"] boolValue] && [self.platform respondsToSelector:@selector(present:urlParams:exts:completion:)]){
+        [self.platform present:url
+                  urlParams:urlParams
+                       exts:exts
+                 completion:completion];
+    }else{
+        [self.platform open:url
+                  urlParams:urlParams
+                       exts:exts
+                 completion:completion];
+    }
 }
 
 - (void)didInitPageContainer:(NSString *)url