React-Native 与iOS通信

2016-09-26  本文已影响0人  最近比较萌

        这里我要简单的说一下,由于react-native不太完善,所以有些涉及到调用原生这块对于初学者来说简直太伤了。今天我给大家分享的是怎样从react跳转到ios原生界面,我今天为了这个卡了一天,话不多说,直接上代码。纯手打。。。。

1.现在app.m让appdelegate成为视图根控制器

#import "AppDelegate.h"

#import "RCTBundleURLProvider.h"

#import "RCTRootView.h"

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

NSURL *jsCodeLocation;

jsCodeLocation = [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index.ios" fallbackResource:nil];

RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation

moduleName:@"youname"

initialProperties:nil

launchOptions:launchOptions];

rootView.backgroundColor = [[UIColor alloc] initWithRed:1.0f green:1.0f blue:1.0f alpha:1];

self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];

self.rootViewController = [UIViewController new];

self.rootViewController.view = rootView;

//  self.navi = [[UINavigationController alloc]initWithRootViewController:self.rootViewController];

self.window.rootViewController = self.rootViewController;

[self.window makeKeyAndVisible];

return YES;

}

@end

2.接下来我们创建个NSObject对象

MyVc.h

MyVc.m

这里需要注意的是,必须得在主线程push,其实你不加这个到时候也会报错。

#import "MyVc.h"

#import "RCTBridge.h"

#import "NothingVC.h"

#import "AppDelegate.h"

@implementation MyVc

RCT_EXPORT_MODULE()

- (void)show {

NothingVC *vc = [[NothingVC alloc]init];

AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];

//要在主线程

dispatch_async(dispatch_get_main_queue(), ^{

[delegate.rootViewController presentViewController:vc animated:YES completion:nil];

});

}

RCT_EXPORT_METHOD(showNew) {

[self show];

}

@end

3.配置要push的vc

需要在初始化里写

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view.

self.view.backgroundColor = [UIColor redColor];

}

4.最后一步要到我们js调用

最后就不上动图啦,希望能帮助大家!☺

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