最近移动端火爆无非是Flutter--舍我其谁，而官网的引导之中鲜有说怎么在已有项目中去集成Flutter，今天我们就再蹭个热门来进行一个iOS集成

1 创建iOS项目（做测试使用）
2 cocoapods走起

project 'XX.xcodeproj' #source 'https://github.com/CocoaPods/Specs.git' #platform :ios, '9.0' #inhibit_all_warnings! # Uncomment the next line to define a global platform for your project # platform :ios, '9.0'target 'XX' do # Uncomment the next line if you're using Swift or would like to use dynamic frameworks # use_frameworks!# Pods for XXtarget 'XXTests' do inherit! :search_paths # Pods for testing endtarget 'XXUITests' do inherit! :search_paths # Pods for testing endend flutter_application_path = './flutter_module' eval(File.read(File.join(flutter_application_path, '.ios', 'Flutter', 'podhelper.rb')), binding) 

关键部锋分就是末尾添加的

flutter_application_path = './flutter_module' eval(File.read(File.join(flutter_application_path, '.ios', 'Flutter', 'podhelper.rb')), binding) 

3 进入项目根目录添加flutter_module

flutter create -t module flutter_module 

4 Xcode 设置
Build Phases 添加 Run Scripts

"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh" build 

4 pod install

5 code设置
5.1 Appdelegate

#import <Flutter/Flutter.h> @interface AppDelegate : FlutterAppDelegate//@property (strong, nonatomic) UIWindow *window; @end 

#import <FlutterPluginRegistrant/GeneratedPluginRegistrant.h> // Only if you have Flutter Plugins- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after application launch. [GeneratedPluginRegistrant registerWithRegistry:self]; return [super application:application didFinishLaunchingWithOptions:launchOptions]; } 

5.2 Controller切换

 - (IBAction)pushFlutterVC:(id)sender { FlutterViewController *flutterViewController = [[FlutterViewController alloc] init]; flutterViewController.view.backgroundColor = [UIColor cyanColor]; [flutterViewController setInitialRoute:@"route1"];[self presentViewController:flutterViewControlleranimated:YES completion:^{UIViewController * vc = [[NextViewController alloc] init]; // vc.view.backgroundColor = [UIColor whiteColor];AppDelegate *appDelegate = [UIApplication sharedApplication].delegate;UIViewController * rootVC = appDelegate.window.rootViewController;UIViewController * topVC = nil;if ([rootVC isKindOfClass:[UINavigationController class]]) { topVC =((UINavigationController *)rootVC).topViewController.presentedViewController;} else {topVC =rootVC.presentedViewController;}[topVC presentViewController:vc animated:YES completion:nil];}]; } 

5.2中我们要考虑到首页是Nav UIViewCOntrooler 或者是FlutterViewController
到此我们的就可以直接Xcode run运行项目啦

6 假如想实现hot reload

进入项目中的flutter_module，运行 flutter attach 

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