Version 0.0.1

An Angular.js module to open installed external apps on the device for Cordova / PhoneGap apps by GNSPS

1. Description
2. Requirements
3. Installation
4. Usage

The module checks if the app is installed on the device and opens the native app with the URL scheme provided, if the app is not installed it just opens another provided URL. It always opens an external app. Even if the wanted app is not installed on the device it opens the provided fallback on the system's default browser.

It works with just an URL Scheme (e.g. "fb:https://") on both platforms, iOS and Android.

• iOS
• Android

The module requires two other plugins to be installed:

AppAvailability by ohh2ahh

InAppBrowser by Adobe

Run these commands to add those plugins to your project:

$ cordova plugin add https://github.com/ohh2ahh/AppAvailability.git
$ cordova plugin add https://git-wip-us.apache.org/repos/asf/cordova-plugin-inappbrowser.git

Just copy the files urlschemer.js and urlschemer.config.json to a /js folder inside the www root of your Cordova / PhoneGap project.

Reference the urlschemer.js file in your index.html: <script src="js/urlschemer.js"></script>

And inject it into your app module: angular.module('myApp', ['URLSchemer']);

--

Note: if you wish to change the /js path just change this line (6) in urlschemer.js:

[...]
    var schemes = [];
    
    $http.get("js/urlschemer.config.json")
    .then(
[...]

URLSchemers has two methods: openLink() and getAndroidAppId(), both return promises.

The openLink(appUrl, normalUrl) method has two parameters:

*The first is an app URL scheme like "fb:https://event?id=123" (Mandatory)

*And the second is a fallback URL in case the app is not installed, like "https://www.facebook.com/event/123" (Optional)

Note: In case there is no fallback URL provided the link will only be opened if the app is installed in the device

--

The method's promise resolves whenever the URL scheme was recognized and rejects otherwise and always returns an object with the following properties:

retObj.openedLink : string with the link that was open, if no link was open it is undefined (String/Undefined)

retObj.appInstalled : boolean to check if the app is available in the device, if no check was made it is undefined (Boolean/Undefined)

retObj.diag : string with the action performed, either error or success messages (to be used while developing or for log outputting) (String)

--

$urlschemer.openLink("fb:https://event?id=12345", "https://www.facebook.com/event/12345")
.then(
    function(resp) { // The URL scheme was recognized and all went good
        console.log("Was the app installed in the device? "+resp.appInstalled);
        console.log("So the app url scheme was opened: "+resp.openedLink);
    },
    function(resp) { // URL scheme was not recognized or no parameters error
        if(resp.openedLink){
            console.log("URL scheme was not recognized but still opened this link: "+resp.openedLink);
        }else{
            console.log("URLSchemer failed with error: "+resp.diag);
        }
    }
);

This method just resolves to a string with the Android package ID if you want it for something else.

$urlschemer.getAndroidAppId("fb:https://event?id=12345")
.then(
    function(androidAppId) { // The URL scheme was recognized and all went good
        console.log("URL scheme recognized. The corresponding Android app ID is: "+androidAppId);
    },
    function() { // URL scheme was not recognized or no parameters error
        console.log("URL scheme was not recognized, so no Android app ID to return.");
    }
);

In the config file there are already the major apps' URL schemes, however feel free to add more app schemes to the urlschemer.config.json file for URLSchemer to recognize them.