How to block URL to open my android app? - android

My android app allows to open other website like "http://www.google.com" in a web browser from app. And my code is below.
<activity
android:name=".HomeActivity"
android:launchMode="singleTop"
android:screenOrientation="portrait" >
<intent-filter>
<category android:name="android.intent.category.DEFAULT" />
<action android:name="android.intent.action.VIEW" />
<data android:scheme="http" />
<data android:scheme="https" />
</intent-filter>
</activity>
But this gives me a problem. In the email or text message, click any website link, there will be a choice to open from my app. See the picture I posted. If I click on www.google.com in the text message, I will get a choice to open from my app.
I don't want the popup shows my app. How to handle this? Please help. Thanks a lot.

You can't avoid that, unless you specifically know what browser the user wants to use. And you don't know that.
You could have a WebView activity/fragment bundled in your application that will display webpages for you. That way you'd have full control. Here's a guide on WebView

Your app is being displayed in the Complete Action Using chooser because of your intent-filter:
<intent-filter>
<category android:name="android.intent.category.DEFAULT" />
<action android:name="android.intent.action.VIEW" />
<data android:scheme="http" />
<data android:scheme="https" />
</intent-filter>
and particularly because you've specified just a "scheme" entry, with no specific "host". This would in effect offer any web URL intent to open in your app.
Without understanding what your intended behavior exactly is, you can delete the <data> nodes from your intent-filter to remove your app from the Chooser.
Or alternatively, you might want specific URL's to offer your app in the Chooser, like http://yourserver.com and https://yourserver.com, for this you could alter your intent-filter as follows:
<data android:scheme="http" android:host="yourserver.com" />

If your question is to block URLs of other websites in your android app for download purpose then search for the iConstants.java file in your project and write the following code:
public interface iConstants {
public static final String[] DISABLE_DOWNLOADING = {"URL", };
public static final String WEB_DISABLE = "We cannot allow to download videos form this website.";
}

Related

Android deep link and issues non clickable links or not working links

I made an Android application in which I want to implement deep linking (example: http://myApp/seeMore?id=123456)
When I send a sms via intent, I receive it, and the link is clickable, and it opens the content of the application I want to see!
What's the problem? If I send myself the link via whatsapp (or messenger), I receive it, but this same link in the whatsapp message is not clickable!
I also tried the format myApp://seeMore?id=123456 (with the Manifest xml updated as it should be), but nothing happens, the link sent is not clickable, even via SMS.
The only time I had a clickable link in whatsapp and messenger, it's with the http://myApp.com/seeMore?id=123456 format. But when I click on the link, it opens the browser saying that the page does not exist.
And I saw that in this case, I have to link my app to my website but I don't have a website... And I don't want to have one!
Questions :
Is there a way to make "myApp://seeMore?id=123456" clickable in SMS, Whatsapp, Messenger apps? By forcing in the code to say that it's a hyperlink? something else? :) )
Is it possible to make the link "http://myapp.com/seeMore?id=123456" work to point directly to my apk and not to the browser? (Did I configure my intent-filter wrong?) I saw a style attribute verifyAuto=true in the xml manifest, but when I tried, it didn't work...
Is it possible to generate a clickable link (even if it's not a url?) via intent send to messenger/whatsapp?
Does anyone have any idea whatsoever for my concern? :)
Here it is, if you have any idea, I'm interested! Thanks for reading and possibly helping me :)
Translated with www.DeepL.com/Translator (free version)
My current AndroidManifest:
<activity
android:exported="true"
android:name=".vue.activity.GraphActivity"
android:screenOrientation="landscape"
android:launchMode="singleTask"
android:parentActivityName=".vue.activity.MainActivity">
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<!-- Accepts URIs that begin with "http://speedchyps/course” -->
<data android:scheme="http"
android:host="speedchyps"
android:pathPrefix="/course" />
<!-- note that the leading "/" is required for pathPrefix-->
</intent-filter>
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value=".vue.activity.MainActivity" />
</activity>
Config when i try "maJolieAppli://seeMore?id=123456":
<intent-filter android:label="#string/filter_view_example_gizmos">
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<!-- Accepts URIs that begin with "speedchyps://course” -->
<data android:scheme="speedchyps"
android:host="course" />
</intent-filter>

open Url in android in web browser application

I am working on a Web browser. The web browser is working, but I need help in the part where my Application catches Android system's url when clicked (http,https etc) and open my web browser application
Like any other browser chrome ,firefox etc, how these app open the default app choose menu?
Reading about these I learn about <intent-filter> is used
Can someone help me with what to be added to Manifest file and to my activity so that my Application catches url?
Try adding CATEGORY_BROWSABLE to your activity that can handle URLs.
Like this:
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<!--This makes activity an option for the default action (center press) to perform
on a piece of data. -->
<category android:name="android.intent.category.DEFAULT" />
<!-- Activities that can be safely invoked from a browser must support this category. -->
<category android:name="android.intent.category.BROWSABLE" />
<data
android:scheme="http" />
<data
android:scheme="https" />
</intent-filter>

app indexing - how not to map all my website to the app

I've been implementing google app indexing in my app, though it's turning out to be very hard for me to understand.
I've created the following intent-filter in my app
<intent-filter android:label="#string/app_name">
<data android:scheme="android-app"
android:host="com.towers.mywebsite" />
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:scheme="http"
android:host="www.mywebsite.com" />
<data android:scheme="https"
android:host="www.mywebsite.com" />
</intent-filter>
I'd like to grab all the links like www.mywebsite.com?parameter=123 but NOT links like www.mywebsite.com/somethingelse
With the intent-filter above, my app is in the list of possible apps to open all the deep links like www.mywebsite.com...
My question is: am I doing it right? How am I supposed to filter the intent in order not to make all the links try and open tre app? I thought google would have chosen open-the-app-or-the-browser by checking which pages of my website do have the link rel attribute, but it seems like it only relies on my app intent-filter. Therefore, I need to tweak them in order to filter only the pages I want. How can I do that?
Thank you
You can rely on markups if you don't declare App-Website association.
https://developers.google.com/app-indexing/android/app#declare-a-website-association
You can also try controlling indexing by creating noindex.xml file to specify the URLs you want excluded from the Google index.
https://developers.google.com/app-indexing/android/app#noIndex
Cheers,
MB

Launching custom Android application from Android browser / Chrome

First of all, my question is extremely similar to this, this and this. The Android documentation for what I'm trying to achieve is here. I couldn't get this to work using these resources so please don't mark this as duplicate as it is not.
I have a website and an Android application. The user will be able to scan QR codes that contain links like http://mywebsite.com/map/. When the user tries to open this link, I want Android to show him a chooser dialog where he can choose to open that link using my application. If my application is not installed, it should proceed to the specified website.
I know Chrome allows this by opening the chooser dialog when the user navigates to that address. For example, try downloading the Stack Exchange app and going to this question in Chrome. It will show this:
I have added the following code in AndroidManifest.xml after following the suggestion in the above-mentioned answers:
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<action android:name="android.intent.action.SEND" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data
android:host="mywebsite.com"
android:path="/map"
android:scheme="http" />
<data
android:host="mywebsite.com"
android:path="/animals"
android:scheme="http" />
<data
android:host="mywebsite.com"
android:path="/articles"
android:scheme="http" />
</intent-filter>
Also, I have tried adding android:mimeType="text/plain" to data but it didn't help.
The problem is that when I go to http://mywebsite.com/map or http://mywebsite.com/map/ Chrome just opens the webpage without showing the chooser dialog.
I would like to mention:
following the Android documentation, I have added this code inside one of the activity structures in AndroidManifest.xml. As I am not sure this is the perfect place to add it, I have also tried adding it outside the application structure and directly inside the application structure but it didn't work
this is the only code I have implemented for this to work. If something else is needed please let me know. From what I understand, adding a href to the webpage is only needed when using custom schemas
I do not want to use a custom schema in order to achieve this
I am developing on a Nexus 4, running Android 4.4.2 (latest)
You need to set it up like this :
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data
android:host="example.com"
android:pathPrefix="/someresource/"
android:scheme="http" />
<data
android:host="www.example.com"
android:pathPrefix="/someresource/"
android:scheme="http" />
</intent-filter>
Notice that in your case, you would need to use android:pathPrefix instead of android:path.
Just to be sure, you should reset the preferences for your app in case you have accidentally set it to always open the link in chrome rather than show the chooser dialog. Once "Always" is used to open the matching uri, it will never show the chooser.
Second, you can have as many data elements in the intent filter as your want, but it is not necessary to repeat information. You can do the same thing like this:
<data android:host="mywebsite.com"/>
<data android:scheme="http"/>
<data android:path="/map"/>
<data android:path="/animals"/>
<data android:path="/articles"/>
But note that for the path, you can just use a wildcard
<data android:path="/.*"/>
Consider adding an additional
<data android:host="www.mywebsite.com"/>
And finally you may not want to show the chooser dialog but open a specific app intent/activity directly. On your website, if you detect the android user agent, you can create a link url this way:
<a href="intent://mywebsite.com/articles#Intent;package=com.myapp;scheme=http;end;"/>
See here for more details How do I open any app from my web browser (Chrome) in Android? What do I have to do with the A Href link?
Note that with this method if the app is not installed the user will be taken to the Google Play store for the specified app package.
If you are still having problems, check your intent filter priority. http://developer.android.com/guide/topics/manifest/intent-filter-element.html
In my case site URL is: http://www.example.org/mobile/
so putting these code into AndroidManifest.xml inside activity
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data
android:host="www.example.org"
android:pathPrefix="/mobile/"
android:scheme="http" />
</intent-filter>
Here,
scheme -> Protocol of particular site
host-> Exact site url with WWW
pathprefix - > Your site's sub path if available
Now,
You can search with chrome / etc android browser'search box like example then open chosen dialog ..!!

Launch custom android application from android browser

Can anybody please guide me regarding how to launch my android application from the android browser?
Use an <intent-filter> with a <data> element. For example, to handle all links to twitter.com, you'd put this inside your <activity> in your AndroidManifest.xml:
<intent-filter>
<data android:scheme="http" android:host="twitter.com"/>
<action android:name="android.intent.action.VIEW" />
</intent-filter>
Then, when the user clicks on a link to twitter in the browser, they will be asked what application to use in order to complete the action: the browser or your application.
Of course, if you want to provide tight integration between your website and your app, you can define your own scheme:
<intent-filter>
<data android:scheme="my.special.scheme" />
<action android:name="android.intent.action.VIEW" />
</intent-filter>
Then, in your web app you can put links like:
<a href="my.special.scheme://other/parameters/here">
And when the user clicks it, your app will be launched automatically (because it will probably be the only one that can handle my.special.scheme:// type of uris). The only downside to this is that if the user doesn't have the app installed, they'll get a nasty error. And I'm not sure there's any way to check.
Edit: To answer your question, you can use getIntent().getData() which returns a Uri object. You can then use Uri.* methods to extract the data you need. For example, let's say the user clicked on a link to http://twitter.com/status/1234:
Uri data = getIntent().getData();
String scheme = data.getScheme(); // "http"
String host = data.getHost(); // "twitter.com"
List<String> params = data.getPathSegments();
String first = params.get(0); // "status"
String second = params.get(1); // "1234"
You can do the above anywhere in your Activity, but you're probably going to want to do it in onCreate(). You can also use params.size() to get the number of path segments in the Uri. Look to javadoc or the android developer website for other Uri methods you can use to extract specific parts.
All above answers didn't work for me with CHROME as of 28 Jan 2014
my App launched properly from http://example.com/someresource/ links from apps like hangouts, gmail etc but not from within chrome browser.
to solve this, so that it launches properly from CHROME you have to set intent filter like this
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data
android:host="example.com"
android:pathPrefix="/someresource/"
android:scheme="http" />
<data
android:host="www.example.com"
android:pathPrefix="/someresource/"
android:scheme="http" />
</intent-filter>
note the pathPrefix element
your app will now appear inside activity picker whenever user requests http://example.com/someresource/ pattern from chrome browser by clicking a link from google search results or any other website
Please see my comment here: Make a link in the Android browser start up my app?
We strongly discourage people from using their own schemes, unless they are defining a new world-wide internet scheme.
In my case I had to set two categories for the <intent-filter> and then it worked:
<intent-filter>
<data android:scheme="my.special.scheme" />
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT"/>
<category android:name="android.intent.category.BROWSABLE"/>
</intent-filter>
For example, You have next things:
A link to open your app: http://example.com
The package name of your app: com.example.mypackage
Then you need to do next:
Add an intent filter to your Activity
(Can be any activity you want. For more info check the documentation).
<activity
android:name=".MainActivity">
<intent-filter android:label="#string/filter_title_view_app_from_web">
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<!-- Accepts URIs that begin with "http://example.com" -->
<data
android:host="example.com"
android:scheme="http" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
Create a HTML file to test the link or use this methods.
Open your Activity directly (just open your Activity, without a choosing dialog).
Open this link with browser or your programm (by choosing dialog).
Use Mobile Chrome to test
That's it.
And its not necessary to publish app in market to test deep linking =)
Also, for more information, check documentation and useful presentation.
There should also be <category android:name="android.intent.category.BROWSABLE"/> added to the intent filter to make the activity recognized properly from the link.
The following link gives information on launching the app (if installed) directly from browser. Otherwise it directly opens up the app in play store so that user can seamlessly download.
https://developer.chrome.com/multidevice/android/intents
Please note if your icon is disappear from android launcher when you implement this feature, than you have to split intent-filter.
<activity
android:name=".MainActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:scheme="your-own-uri" />
</intent-filter>
</activity>
Yeah, Chrome searches instead of looking for scheme. If you want to launch your App through URI scheme, use this cool utility App on the Play store. It saved my day :)
https://play.google.com/store/apps/details?id=com.naosim.urlschemesender
Xamarin port of Felix's answer
In your MainActivity, add this (docs: Android.App.IntentFilterAttribute Class):
....
[IntentFilter(new[] {
Intent.ActionView },
Categories = new[] { Intent.CategoryDefault, Intent.CategoryBrowsable },
DataScheme = "my.special.scheme")
]
public class MainActivity : Activity
{
....
Xamarin will add following in the AndroidManifest.xml for you:
<activity
android:label="Something"
android:screenOrientation="portrait"
android:theme="#style/MyTheme"
android:name="blah.MainActivity">
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:scheme="my.special.scheme" />
</intent-filter>
</activity>
And in order to get params (I tested in OnCreate of MainActivity):
var data = Intent.Data;
if (data != null)
{
var scheme = data.Scheme;
var host = data.Host;
var args = data.PathSegments;
if (args.Count > 0)
{
var first = args[0];
var second = args[1];
...
}
}
As far as I know, above can be added in any activity, not only MainActivity
Notes:
When user click on the link, Android OS relaunch your app (kill prev instance, if any, and run new one), means the OnCreate event of app's MainLauncher Activity will be fired again.
With this link: <a href="my.special.scheme://host/arg1/arg2">, in above last code snippet values will be:
scheme: my.special.scheme
host: host
args: ["arg1", "arg2"]
first: arg1
second: arg2
Update: if android creates new instance of your app, you should add android:launchMode="singleTask" too.
Felix's approach to handling deep links is the typical approach to handling deep links. I would also suggest checking out this library to handle the routing and parsing of your deep links:
https://github.com/airbnb/DeepLinkDispatch
You can use annotations to register your Activity for a particular deep link URI, and it will extract out the parameters for you without having to do the usual rigmarole of getting the path segments, matching it, etc. You could simply annotate and activity like this:
#DeepLink("somePath/{someParameter1}/{someParameter2}")
public class MainActivity extends Activity {
...
}
Hey I got the solution. I did not set the category as "Default". Also I was using the Main activity for the intent Data. Now i am using a different activity for the intent data. Thanks for the help. :)
You need to add a pseudo-hostname to the CALLBACK_URL 'app://' doesn't make sense as a URL and cannot be parsed.
example.php:
<?php
if(!isset($_GET['app_link'])){ ?>
<iframe src="example.php?app_link=YourApp://blabla" style="display:none;" scrolling="no" frameborder="0"></iframe>
<iframe src="example.php?full_link=http://play.google.com/xyz" style="display:none;" scrolling="no" frameborder="0"></iframe>
<?php
}
else { ?>
<script type="text/javascript">
self.window.location = '<?php echo $_GET['app_link'];?>';
window.parent.location.href = '<?php echo $_GET['full_link'];?>';
</script>
<?php
}
Look #JRuns answer in here. The idea is to create html with your custom scheme and upload it somewhere. Then if you click on your custom link on your html-file, you will be redirected to your app. I used this article for android. But dont forget to set full name Name = "MyApp.Mobile.Droid.MainActivity" attribute to your target activity.
As of 15/06/2019
what I did is include all four possibilities to open url.
i.e, with http / https and 2 with www in prefix and 2 without www
and by using this my app launches automatically now without asking me to choose a browser and other option.
<intent-filter android:autoVerify="true">
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:scheme="https" android:host="example.in" />
<data android:scheme="https" android:host="www.example.in" />
<data android:scheme="http" android:host="example.in" />
<data android:scheme="http" android:host="www.example.in" />
</intent-filter>

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