update demo

Author: sunhongwei

Example/my_flutter/.metadata

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Example/my_native/my_native.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -11,8 +11,7 @@
 
 @interface AppDelegate : FlutterAppDelegate
 
-@property (strong, nonatomic) UIWindow *window;
-
+@property (nonatomic,strong) FlutterEngine *flutterEngine;
 
 @end
 

Example/my_native/my_native/AppDelegate.h

@@ -17,7 +17,9 @@ @implementation AppDelegate
 
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-    [GeneratedPluginRegistrant registerWithRegistry:self];
+    self.flutterEngine = [[FlutterEngine alloc] initWithName:@"io.flutter" project:nil];
+    [self.flutterEngine runWithEntrypoint:nil];
+    [GeneratedPluginRegistrant registerWithRegistry:self.flutterEngine];
     return [super application:application didFinishLaunchingWithOptions:launchOptions];
 }
 

Example/my_native/my_native/AppDelegate.m

@@ -1,24 +1,46 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" systemVersion="17A277" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="dL7-cT-9Hb">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.20"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
+        <!--Navigation Controller-->
+        <scene sceneID="9uT-ZM-ifr">
+            <objects>
+                <navigationController id="dL7-cT-9Hb" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" id="s1g-Vh-o5i">
+                        <rect key="frame" x="0.0" y="20" width="375" height="44"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <connections>
+                        <segue destination="BYZ-38-t0r" kind="relationship" relationship="rootViewController" id="jiV-mV-WtA"/>
+                    </connections>
+                </navigationController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="fE5-78-Ddh" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-716" y="-419"/>
+        </scene>
         <!--View Controller-->
         <scene sceneID="tne-QT-ifu">
             <objects>
-                <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="" sceneMemberID="viewController">
+                <viewController id="BYZ-38-t0r" customClass="ViewController" sceneMemberID="viewController">
                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
                     </view>
+                    <navigationItem key="navigationItem" id="byq-pg-wZO"/>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
             </objects>
+            <point key="canvasLocation" x="47" y="-420"/>
         </scene>
     </scenes>
 </document>

Example/my_native/my_native/Base.lproj/Main.storyboard

@@ -7,6 +7,7 @@
 //
 
 #import "ViewController.h"
+#import "AppDelegate.h"
 #import <Flutter/Flutter.h>
 
 @interface ViewController ()
@@ -27,9 +28,15 @@ - (void)viewDidLoad {
     [self.view addSubview:button];
 }
 
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    [self.navigationController setNavigationBarHidden:YES animated:animated];
+}
+
 - (void)handleButtonAction {
-    FlutterViewController* flutterViewController = [[FlutterViewController alloc] init];
-    [self presentViewController:flutterViewController animated:false completion:nil];
+    FlutterEngine *flutterEngine = [(AppDelegate *)[[UIApplication sharedApplication] delegate] flutterEngine];
+    FlutterViewController *flutterViewController = [[FlutterViewController alloc] initWithEngine:flutterEngine nibName:nil bundle:nil];
+    [self.navigationController pushViewController:flutterViewController animated:YES];
 }