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[英]Cordova inappbrowser redirect url to system browser Android only
[英]How do I gracefully interrupt loading of a certain URL in Cordova's InAppBrowser and open it in the system browser?
我正在使用Cordova的inappbrowser插件在我的應用程序中顯示Web部件。 在網站上,有共享鏈接,例如WhatsApp:
<a href="whatsapp://send?text=Check this out">Share on WhatsApp</a>
現在,當在inappbrowser中單擊這些鏈接時,它只是嘗試加載whatsapp://send?...
作為URL並顯示錯誤頁面。
我想要做的是使用給定系統的瀏覽器/ URI處理程序以whatsapp://
開頭的開放鏈接,因此它類似於在系統瀏覽器中單擊此類鏈接時的行為。 為此,我做了以下事情:
urlChanged = function(event) {
// when a "whatsapp://" link is clicked, open it in the system browser
if(event.url.startsWith("whatsapp://")) {
window.open(event.url, "_system");
return;
}
}
// Add an "loadstart" event listener to the inappbrowser:
browser.addEventListener("loadstart", urlChanged);
到目前為止,這有點奏效,但有些怪癖:
whatsapp://
鏈接(“未知網址方案”)。 為了緩解第2點,我還在事件監聽器中嘗試了以下操作,但沒有成功(行為完全相同):
urlChanged = function(event) {
if(event.url.startsWith("whatsapp://")) {
// stop loading the whatsapp:// link in inappbrowser
browser.stop();
// go back in history to display page where whatsapp:// link was on
browser.history.back();
window.open(event.url, "_system");
return;
}
}
browser.addEventListener("loadstart", urlChanged);
你能指導我如何解決第1點和第2點嗎?
所以我最終得到了以下代碼:
openWithSystemBrowser = function(url) {
window.open(url, "_system");
location.href = "index.html";
};
shareOnWhatsapp = function(url) {
openWithSystemBrowser(url);
};
/**
* Handles URL changes in in-app browser, e.g. to handle logouts or
* unsuccessful logins
*/
urlChanged = function(event) {
if(event.url.startsWith("http://whatsapp://")) {
shareOnWhatsapp(event.url.substr("http://".length));
return;
}
if(event.url.startsWith("whatsapp://")) {
shareOnWhatsapp(event.url);
return;
}
};
這當然有點蹩腳,因為你總是帶回index.html,但就我的目的而言,這已經足夠了。 有興趣看看是否有人找到了更優雅的解決方案。
它還在打開系統瀏覽器之前解決了2-3秒的延遲,但坦率地說,我沒有任何線索。
我發現了一種具有更好用戶體驗的方法:在系統瀏覽器中加載外部URL時,我關閉InAppBrowser並使用最后一個內部URL重新打開它。
var appUrl = 'https://www.my-website.com';
var app = {
currentUrl: appUrl,
initialize: function() {
document.addEventListener('deviceready', this.onDeviceReady.bind(this), false);
},
onDeviceReady: function() {
app.openBrowser();
},
openBrowser: function() {
var target = '_blank';
var options = [
"location=no",
"clearcache=no",
"clearsessioncache=no",
"footer=no",
"hardwareback=no",
"hideurlbar=yes",
"zoom=no",
"hidenavigationbuttons=no",
"toolbar=yes",
"hidespinner=yes",
"toolbarcolor=#000000",
"toolbartranslucent=no",
"navigationbuttoncolor=#ffffff",
"closebuttoncolor=#000000",
"closebuttoncaption="
];
browser = cordova.InAppBrowser.open(app.currentUrl, target, options.join());
// reopen the browser if it was closed via "Done" button
browser.addEventListener('exit', function(){ app.openBrowser(); } );
// open external urls in system browser window
browser.addEventListener('loadstart', function(event){ app.handleUrl(event.url, browser); });
},
handleUrl: function(url, browser) {
var extension = url.split('.').pop();
// load internal urls that are not pdf files in the app browser
if (extension != 'pdf' && url.startsWith(appUrl)) {
app.currentUrl = url;
return;
}
// open website in system browser window
var ref = cordova.InAppBrowser.open(url, '_system', 'location=no');
// since the inapp browser is loading the website too, close it and open it again with the last internal url visited
browser.close();
app.openBrowser();
return;
}
};
app.initialize();
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