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POObjective-C - Javascript communication
 

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  1. POObjective-C - Javascript communication
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    <p>I am developing a hybrid application for iOS. In order to achieve two way communication between Javascript and the native code, I am using <code>Webviewjavascriptbridge</code>, a third-party library. This is the code that I am using.</p> <pre><code>//pkViewcontroller.h @class WebViewJavascriptBridge; @property (strong, nonatomic) WebViewJavascriptBridge *javascriptBridge; @property (strong, nonatomic) IBOutlet UIWebView *webView; //pkViewcontroller.m - (void)viewDidLoad { [WebViewJavascriptBridge enableLogging]; _bridge= [WebViewJavascriptBridge bridgeForWebView:_webView handler:nil]; NSString *path=[[NSBundle mainBundle]pathForResource:@"index" ofType:@"html"]; NSURLRequest *request=[NSURLRequest requestWithURL:[NSURL fileURLWithPath:path]]; [_webView loadRequest:request]; [_bridge registerHandler:@"testObjcCallback" handler:^(id data, WVJBResponse *response) { NSLog(@"after getContactBttnTapped method call"); ABPeoplePickerNavigationController *picker=[[ABPeoplePickerNavigationController alloc]init]; picker.peoplePickerDelegate= self; [self presentViewController:picker animated:YES completion:nil]; }]; } </code></pre> <p>HTML file</p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;meta charset="utf-8"&gt; &lt;script type="text/javascript" src="test.js"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;input type="Button" value="ChooseContact" onClick="ChooseContactTapped()"&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>test.js</p> <pre><code>var bridge window.onerror = function(err) { alert('window.onerror: ' + err) } document.addEventListener('WebViewJavascriptBridgeReady', onBridgeReady, false) function onBridgeReady(event) { bridge = event.bridge } function ChooseContactTapped(){ bridge.callHandler('testObjcCallback', {'foo': 'bar'}, function(response) { log('Got response from testObjcCallback', response) }) } </code></pre> <p>The JS file will be residing on the server. Now I want to call my native method without writing the code inside the JS file. Please help me. If what I am doing is not correct, please suggest me a way to make the communication between native code and Javascript. Please note that the JS file will be on the server and also I need to pass objects between JS and the native code.</p>
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    1. COCheck this link http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript
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    2. CO@anoop if i use that way, i hope i cannot pass the object from js to objective C. if i can pass the object.Please let me know the way.
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      1. POObjective-C - Javascript communication
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    3. COCreate a Data class(a prototype) in objective-c, and get all the properties from your server. Fill that data class.
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