How to Link my flutter app to device contact - android

If you have installed Skype or WhatsApp you will find those apps are linked in the device contacts.
I want to do this to my flutter app. I want my app to be linked like this. If the contact has an account in my app. In my device contacts, my app will be linked like this one. Anyone know how to do that!

Related

Check how many people installed android app with my invitation link

I am a newbie to the android, I would like to know if there is an option to know how many people installed my app via others invitation.
What I mean is that lets say I installed the app and send some URL to my friend to download this app also.
Now after he/she download this app he/she send an URL for their friends , and i would like to know how many friends of mine installed this app.
Is it possible to do it via code?
You can achieve this without writing any code. Just share your build through Beta by Fabric.
You can setup Fabric for your project manually or automatically(through a plugin):
https://docs.fabric.io/android/fabric/overview.html
This is instructions on how to distribute builds:
https://docs.fabric.io/android/beta/beta-walkthrough.html
To get a link to the build:
Go to Fabric dashboard.
Choose your app.
Click Beta(on left panel).
Click Share links.
Generate link.
After each installation through the link(by your friends) you will get an email. Also, you will get a daily summary of installs.
And you can find statistics about new installs on Fabric dashboard.

How to organize sharing with friends in the Android application

I'm writing an application for android and it has a feature that will share with friends on social networks. When someone passes by the link and downloads the application from the play market, after installing the application, the person who posted the link, receives bonuses for installation by other people. Tell me in which direction I need to read or how such a callback is organized

Android app check for Instagram account on the device

I am developing an app to get images from an Instagram account. I would like to know if is possible to know if there are already an Instagram account on the device.
Thanks!

open android ios app from email

I am looking for suggestions from experts in this group.
We have a website, ios and Android apps. In the web site there is a banner available for our mobile application. So if user taps on that banners and app is installed in the mobile, then it should launch the app (ios & android). If app is not installed then we need to display a custom web page there all the details about the application is provided.
Also we are sending emails to our customers to let them know about the application. There will be hyper link in the email. From the email, when the user taps on the hyper link, and if the app is installed, then it should launch the app (ios & android) and if app is not installed then it should display a customer website.
And the custom web page we can show app store links.
Could somebody suggest a solution?
For iOS, you can try this:
https://developer.apple.com/library/ios/documentation/AppleApplications/Reference/SafariWebContent/PromotingAppswithAppBanners/PromotingAppswithAppBanners.html
and this:
https://developer.apple.com/library/ios/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/Inter-AppCommunication/Inter-AppCommunication.html

Android App shared links on whatsapp are not clickable

I developed an android app, but upon sharing links from app on Whatsapp, the links are not clickable. If I do copy and paste the same message it becomes clickable.
Any idea why? Is it because app is still in development process?
For security if you dont have a contact registered in your phone, whatsapp not show as a hiperlink. This is to avoid virus, spam, etc.
In example, if you are in a whatsapp group and other person share a link in the group, you will see as hiperlink if you have the phone number registered in your phone.

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