如何检查应用程序是否已安装或未使用JavaScript [英] How to check app is installed or not using javascript
本文介绍了如何检查应用程序是否已安装或未使用JavaScript的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在使用javascript检查是否已安装应用程序，如果已安装我的应用程序，我想打开我的应用程序，否则它将重定向到Play商店帐户.问题是即使我已经安装了应用程序，它也会重定向到Play商店
I am using javascript to check if app is installed or not, if my app installed i want to open my app or else it will redirect to play store account. the issue is that it is redirecting to play store even i already have app installed
这是我正在检查应用程序的.html文件
This is my .html file where i am checking for app
<!DOCTYPE html>
<html>
<body>
<script type="text/javascript">
window.onload = function() {
// Deep link to your app goes here
document.getElementById("l").src = "intent://sdf/SplashScreen#Intent;scheme=vsd;package=com.sdf.android.ff;end";
setTimeout(function() {
// Link to the App Store should go here -- only fires if deep link fails
window.location = "https://play.google.com/store/apps/details?id=com.sdf.android.dffd";
}, 500);
};
</script>
<iframe id="l" width="1" height="1" style="visibility:hidden"></iframe>
</body>
</html>
推荐答案
通过这种方式解决
<html>
<head>
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script>
var fallbackToStore = function() {
window.location.replace('https://play.google.com/store/apps/details?id=packgename');
};
var openApp = function() {
window.location.replace('intent://app/SplashScreen#Intent;scheme=app_;package=com.sdf.android.dsds;end');
};
var triggerAppOpen = function() {
openApp();
setTimeout(fallbackToStore, 700);
};
triggerAppOpen();
</script>
</head>
<body>
</body>
</html>
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