1, dart entry name

2, close params

ios/Classes/1.5/FLB2FlutterApplication.m

@@ -64,7 +64,7 @@
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
         self.platform = platform;
-        self.viewProvider = FLB2FlutterEngine.new;
+        self.viewProvider = [[FLB2FlutterEngine alloc] initWithPlatform:platform];
         self.isRunning = YES;
         if(callback) callback(self.viewProvider.engine);
     });

ios/Classes/1.5/FLB2FlutterEngine.h

@@ -24,8 +24,10 @@
 
 #import <Foundation/Foundation.h>
 #import "FLB2FlutterProvider.h"
+#import "FLB2Platform.h"
 
 NS_ASSUME_NONNULL_BEGIN
 @interface FLB2FlutterEngine : NSObject<FLB2FlutterProvider>
+- (instancetype)initWithPlatform:(id<FLB2Platform>)platform;
 @end
 NS_ASSUME_NONNULL_END

ios/Classes/1.5/FLB2FlutterEngine.m

@@ -33,15 +33,21 @@
 @end
 
 @implementation FLB2FlutterEngine
-
-- (instancetype)init
+    
+- (instancetype)initWithPlatform:(id<FLB2Platform>)platform
 {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
     
     if (self = [super init]) {
         _engine = [[FlutterEngine alloc] initWithName:@"io.flutter" project:nil];
-        [_engine runWithEntrypoint:nil];
+        if(platform &&
+           [platform respondsToSelector: @selector(entryForDart)] &&
+           platform.entryForDart){
+            [_engine runWithEntrypoint:platform.entryForDart];
+        }else{
+            [_engine runWithEntrypoint:nil];
+        }
         _dummy = [[FLB2FlutterViewContainer alloc] initWithEngine:_engine
                                                           nibName:nil
                                                            bundle:nil];
@@ -58,6 +64,11 @@
 #pragma clang diagnostic pop
 }
 
+- (instancetype)init
+{
+    return [self initWithPlatform:nil];
+}
+
 - (void)pause
 {
     [[_engine lifecycleChannel] sendMessage:@"AppLifecycleState.pause"];

ios/Classes/Boost/FLB2Platform.h

@@ -26,6 +26,9 @@
 
 NS_ASSUME_NONNULL_BEGIN
 @protocol FLB2Platform <NSObject>
+@optional
+- (NSString *)entryForDart;
+    
 @required
 - (void)open:(NSString *)url
    urlParams:(NSDictionary *)urlParams

lib/flutter_boost.dart

@@ -123,11 +123,25 @@ class FlutterBoost {
 
     assert(id != null);
 
+    BoostContainerSettings settings = containerManager?.onstageSettings;
     Map<String, dynamic> properties = new Map<String, dynamic>();
+
+    if(exts == null){
+      exts = Map<dynamic,dynamic>();
+    }
+
+    exts["params"] = settings.params;
+
+    if(!exts.containsKey("animated")){
+      exts["animated"] = true;
+    }
+
     properties["uniqueId"] = id;
+
     if (result != null) {
       properties["result"] = result;
     }
+
     if (exts != null) {
       properties["exts"] = exts;
     }
@@ -135,13 +149,27 @@ class FlutterBoost {
   }
 
   Future<bool> closeCurrent({Map<dynamic,dynamic> result,Map<dynamic,dynamic> exts}) {
-    String id = containerManager?.onstageSettings?.uniqueId;
-    return close(id,result: result,exts: exts);
+    BoostContainerSettings settings = containerManager?.onstageSettings;
+    if(exts == null){
+      exts = Map<dynamic,dynamic>();
+    }
+    exts["params"] = settings.params;
+    if(!exts.containsKey("animated")){
+      exts["animated"] = true;
+    }
+    return close(settings.uniqueId,result: result,exts: exts);
   }
 
   Future<bool> closeByContext(BuildContext context,{Map<dynamic,dynamic> result,Map<dynamic,dynamic> exts}) {
-    String id = BoostContainer.of(context)?.settings?.uniqueId;
-    return close(id,result: result,exts: exts);
+    BoostContainerSettings settings = containerManager?.onstageSettings;
+    if(exts == null){
+      exts = Map<dynamic,dynamic>();
+    }
+    exts["params"] = settings.params;
+    if(!exts.containsKey("animated")){
+      exts["animated"] = true;
+    }
+    return close(settings.uniqueId,result: result,exts: exts);
   }
 
   ///register for Container changed callbacks