vargon

GET /some/resource HTTP/1.1
Upgrade: WebSocket
Connection: Upgrade
Host: localhost:1111
Origin: file://
Sec-WebSocket-Key1: 3B5 A[B    cQ190hn q 893 44:
Sec-WebSocket-Key2: 1 67  4  0 '4 1124&

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vargon

HTTP/1.1 101 WebSocket Protocol Handshake
Upgrade: WebSocket
Connection: Upgrade
Sec-WebSocket-Origin: file://
Sec-WebSocket-Location: ws://localhost:1111/some/resource

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vargon

var webSocketClient;

function connectToWebSocketServer() {
  webSocketClient = new WebSocket('ws://localhost:1111/some/resource/');
  webSocketClient.onopen = function() { alert('connection opened'); };
  webSocketClient.onerror = function() { alert('connection error'); };
  webSocketClient.onclose = function() { alert('connection closed'); };
  webSocketClient.onmessage = function(msg) { alert('msg: '+msg.data); };
}

vargon

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
  NSString *scheme = [[[request URL] scheme] lowercaseString];

  if([scheme isEqualToString:@"myscheme"]) {
    // Pull the encoded JSON string out of the querystring
    // Decode the string, convert JSON string into usable object
    // Handle the message
    // Return NO to prevent the webview from navigating
    return NO;
  }

vargon

function sendMessageToNative(msg) {
  document.location = 'myscheme://a.com/?m=' + encodeURIComponent(JSON.stringify(msg));
}