add swift docs & demo

doc/USING_SWIFT.md

@@ -11,4 +11,19 @@ We have to make the headers in `WeChatOpenSDK` public in order to support swift:
 ![make_headers_public](../arts/public_headers_2.png)
 
 
-##
+## Response
\ No newline at end of file
+override the following functions in `AppDelegate.swift`:
+```swift
+
+  import fluwx
+
+  override  func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
+        return WXApi.handleOpen(url, delegate: FluwxResponseHandler.defaultManager())
+    }
+
+    // NOTE: 9.0以后使用新API接口
+  override  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
+        return WXApi.handleOpen(url, delegate: FluwxResponseHandler.defaultManager())
+    }
+
+```
\ No newline at end of file

doc/USING_SWIFT_CN.md

@@ -11,4 +11,19 @@
 ![make_headers_public](../arts/public_headers_2.png)
 
 
-##
+## 回调监听
\ No newline at end of file
+在你的`AppDelegate.swift`文件中重写以下方法：
+```swift
+
+  import fluwx
+
+  override  func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
+        return WXApi.handleOpen(url, delegate: FluwxResponseHandler.defaultManager())
+    }
+
+    // NOTE: 9.0以后使用新API接口
+  override  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
+        return WXApi.handleOpen(url, delegate: FluwxResponseHandler.defaultManager())
+    }
+
+```
\ No newline at end of file

example/ios_swift/AppDelegate.swift

+import UIKit
+import Flutter
+import fluwx
+
+
+@UIApplicationMain
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+  ) -> Bool {
+    
+    GeneratedPluginRegistrant.register(with: self)
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+    
+
+  override  func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
+        return WXApi.handleOpen(url, delegate: FluwxResponseHandler.defaultManager())
+    }
+    
+    // NOTE: 9.0以后使用新API接口
+  override  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
+        return WXApi.handleOpen(url, delegate: FluwxResponseHandler.defaultManager())
+    }
+
+
+   
+   
+}

example/ios_swift/GeneratedPluginRegistrant.h

+//
+//  Generated file. Do not edit.
+//
+
+#ifndef GeneratedPluginRegistrant_h
+#define GeneratedPluginRegistrant_h
+
+#import <Flutter/Flutter.h>
+
+@interface GeneratedPluginRegistrant : NSObject
++ (void)registerWithRegistry:(NSObject<FlutterPluginRegistry>*)registry;
+@end
+
+#endif /* GeneratedPluginRegistrant_h */

example/ios_swift/GeneratedPluginRegistrant.m

+//
+//  Generated file. Do not edit.
+//
+
+#import "GeneratedPluginRegistrant.h"
+#import <fluwx/FluwxPlugin.h>
+
+@implementation GeneratedPluginRegistrant
+
++ (void)registerWithRegistry:(NSObject<FlutterPluginRegistry>*)registry {
+  [FluwxPlugin registerWithRegistrar:[registry registrarForPlugin:@"FluwxPlugin"]];
+}
+
+@end

example/ios_swift/Runner-Bridging-Header.h

+#import "GeneratedPluginRegistrant.h"