Is there a whatsapp authentication like Google, Facebook and many others does.
I need to authenticate a user using there whatsapp number. More over all, it is all about getting whatsapp number of a user.
NO, you can't Whatsapp has not exposed any authentication API.
There are only two ways to integrate with WhatsApp: - Through a custom URL scheme - Through Android's intent system.
Check I'm an Android developer, how can I integrate WhatsApp with my app?
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Is there any API to share user's login/password data between iOS app and Android app? Given I'm the owner/developer of both apps.
For Android there is Google's Smart Lock for Passwords. And for iOS there is Apple's Shared Web Credentials. These allow sharing credentials between web app and native app on the corresponding mobile platform. But I can't find any evidence that these technologies allow or not sharing between different native platforms.
If not, maybe there is another solution?
Possibly not what you want to hear but I would say this is not expected behaviour, nor is it secure. The expected behaviour would be have your user login to both platforms, after which their credentials are saved on both platforms.
There are alternative solutions however, such as OAuth. You can have user's authenticate via Facebook, Instagram or the many other popular platforms. That way the user does not need to enter a password, or remember one at all.
Another alternative could be to do instant sign in via an email link. I've seen that get popular recently. A user enters their email/username, they receive an email with a button to confirm the sign in.
One way could be creating a custom API and posting credentials from both platforms to that API.
I'm mobile developer.
I develop Android App, and iPhone App.
my application have function to share. (like twitter, facebook ...)
I'd like to post picture to Instagram with hashtag from my application.
However, I found information that instagram not allow post with hashtag.
Is it still impossible for me to realize that?
Best regards.
There is no Instagram API to post images/videos, You can only post using Instagram's app. You can however use webhooks to open an image from your app in Instagram app, and then user will have to continue and do the actual posting in Instagram app. Check this: https://www.instagram.com/developer/mobile-sharing/
Instagram API will only allow you to get posts by user/hashtag/location and you can like/comment/follow. But you cannot add or delete posts, stories or direct messages.
I'd like to target a message to my Facebook friends who use iOS, and separately, Android. If I'm going to recommend them a particular app, for example, I'd like to ping only those who have the right OS. Presumably Facebook has this information. Is there a way for me to retrieve it?
I do not think Facebook would expose this kind of information on their API. What you could do is use Parse and its Installation class. By doing so, you will get specific device information of each of your users. Then you can use the Parse Push SDK to target specific users based on this information. As an added bonus, Parse also offers Facebook integration, so it might be the tool you are looking for.
You can use the Facebook Message dialog for iOS and Android to let people send messages to their friends via Facebook Messenger. See https://developers.facebook.com/docs/android/share#message-dialog and https://developers.facebook.com/docs/ios/share#message-dialog
However, in v2.0 of the API there is no way to find out which of a users non-app-using friends are using Facebook on which platform - and in any case, the dialogs don't let you pre-fill the recipients.
If you want people to invite their friends, but want the recipient to end up being redirected to the correct (iOS or Android) version of your app, I suggest sharing the same URL, and then doing user-agent detection when someone clicks on the link to determine if you want to redirect the users to Google Play or the Apple App Store. Services like Deeplink.me may provide this as a hosted service: https://www.deeplink.me/
Hi I am designing a mobile app where users can login via facebook. The reason I use facebook login is because I can use facebook to reach out the users friends.
I would like to know is it possible to fetch the user email, friends email, address etc.... using a android app ?
If I can do that I can mass distribute my game.The posts on stack overflow regarding this topic is all on web app. However, I haven't seen any mobile game doing that, it seems most games uses PC version. They fetch those information using the web app not directly through the mobile app itself.
You can use android SDK provided by Facebook.
Graph api provides whatever you need https://developers.facebook.com/docs/android/graph/.
There are many apps using this technique.https://developers.facebook.com/docs/games/mobile/bestpractice
They update user status for advertisement.
I want to integrate GMAIL Single Sign on (SSO) on my App.. I am not getting the library for Gmail. Please Anyone can help me out. Thanks in advance
Refer to this link
https://developers.google.com/accounts/docs/MobileApps
Authenticating Users in Mobile Apps
Many web applications have companion mobile applications, such as native Android and iOS apps. These native applications typically ask the user for their email address and password to authenticate them. This method of authentication will not work when the web application has a complex login system which uses technologies like OpenID or SAML for federated authentication. In this guide, we'll describe an alternative technique to enable mobile applications to work for all users, regardless of how they are authenticated.
If you're anxious to see how this works, you can check out the Demo and Sample Code section at the bottom of this page.