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because there is a iframe in webview, and lead pageshow only fire once #325

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9c1eb16
Update ExampleApp.html
Serlight Dec 26, 2017
a2804a8
Update ExampleApp.html
Serlight Dec 26, 2017
7f7f5d5
Update ExampleApp.html
Serlight Dec 26, 2017
7c82ccc
remove webview
Serlight Apr 8, 2020
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107 changes: 63 additions & 44 deletions Example Apps/ExampleApp.html
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Original file line number Diff line number Diff line change
@@ -1,19 +1,37 @@

<!doctype html>
<html><head>
<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1.0, maximum-scale=1.0">
<style type='text/css'>
html { font-family:Helvetica; color:#222; }
h1 { color:steelblue; font-size:24px; margin-top:24px; }
button { margin:0 3px 10px; font-size:12px; }
.logLine { border-bottom:1px solid #ccc; padding:4px 2px; font-family:courier; font-size:11px; }
</style>
<style type='text/css'>
html { font-family:Helvetica; color:#222; }
h1 { color:steelblue; font-size:24px; margin-top:24px; }
button { margin:0 3px 10px; font-size:12px; }
.logLine { border-bottom:1px solid #ccc; padding:4px 2px; font-family:courier; font-size:11px; }
</style>
</head><body>
<h1>WebViewJavascriptBridge Demo</h1>
<script>
window.onerror = function(err) {
log('window.onerror: ' + err)
}

<h1>WebViewJavascriptBridge Demo</h1>
<script>
window.onerror = function(err) {
log('window.onerror: ' + err)
}

window.onpageshow = function(event) {
alert("back to page")
}

function pageLoaded()
{
alert("load event handler called.");
}

function pageUnloaded()
{
alert("unload event handler called.");
}

window.addEventListener("load", pageLoaded, false);
window.addEventListener("unload", pageUnloaded, false);

function setupWebViewJavascriptBridge(callback) {
if (window.WebViewJavascriptBridge) { return callback(WebViewJavascriptBridge); }
if (window.WVJBCallbacks) { return window.WVJBCallbacks.push(callback); }
Expand All @@ -24,37 +42,38 @@ <h1>WebViewJavascriptBridge Demo</h1>
document.documentElement.appendChild(WVJBIframe);
setTimeout(function() { document.documentElement.removeChild(WVJBIframe) }, 0)
}

setupWebViewJavascriptBridge(function(bridge) {
var uniqueId = 1
function log(message, data) {
var log = document.getElementById('log')
var el = document.createElement('div')
el.className = 'logLine'
el.innerHTML = uniqueId++ + '. ' + message + ':<br/>' + JSON.stringify(data)
if (log.children.length) { log.insertBefore(el, log.children[0]) }
else { log.appendChild(el) }
}

bridge.registerHandler('testJavascriptHandler', function(data, responseCallback) {
log('ObjC called testJavascriptHandler with', data)
var responseData = { 'Javascript Says':'Right back atcha!' }
log('JS responding with', responseData)
responseCallback(responseData)
})

document.body.appendChild(document.createElement('br'))

var callbackButton = document.getElementById('buttons').appendChild(document.createElement('button'))
callbackButton.innerHTML = 'Fire testObjcCallback'
callbackButton.onclick = function(e) {
e.preventDefault()
log('JS calling handler "testObjcCallback"')
bridge.callHandler('testObjcCallback', {'foo': 'bar'}, function(response) {
log('JS got response', response)
})
}
})
</script>
<div id='buttons'></div> <div id='log'></div>
var uniqueId = 1
function log(message, data) {
var log = document.getElementById('log')
var el = document.createElement('div')
el.className = 'logLine'
el.innerHTML = uniqueId++ + '. ' + message + ':<br/>' + JSON.stringify(data)
if (log.children.length) { log.insertBefore(el, log.children[0]) }
else { log.appendChild(el) }
}

bridge.registerHandler('testJavascriptHandler', function(data, responseCallback) {
log('ObjC called testJavascriptHandler with', data)
var responseData = { 'Javascript Says':'Right back atcha!' }
log('JS responding with', responseData)
responseCallback(responseData)
})

document.body.appendChild(document.createElement('br'))

var callbackButton = document.getElementById('buttons').appendChild(document.createElement('button'))
callbackButton.innerHTML = 'Fire testObjcCallback'
callbackButton.onclick = function(e) {
e.preventDefault()
log('JS calling handler "testObjcCallback"')
bridge.callHandler('testObjcCallback', {'foo': 'bar'}, function(response) {
log('JS got response', response)
})
}
})
</script>
<div id='buttons'></div> <div id='log'></div>
<div> <a href="ExampleApp.html">W3School</a> </div>
</body></html>
3 changes: 3 additions & 0 deletions WebViewJavascriptBridge.podspec
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,9 @@ Pod::Spec.new do |s|
s.ios.private_header_files = 'WebViewJavascriptBridge/WebViewJavascriptBridge_JS.h'
s.osx.source_files = 'WebViewJavascriptBridge/*.{h,m}'
s.osx.private_header_files = 'WebViewJavascriptBridge/WebViewJavascriptBridge_JS.h'
s.ios.exclude_files = 'WebViewJavascriptBridge/WebViewJavascriptBridge.{h,m}'
s.osx.exclude_files = 'WebViewJavascriptBridge/WebViewJavascriptBridge.{h,m}'


s.frameworks = 'WebKit'
s.ios.frameworks = 'UIKit', 'WebKit'
Expand Down