We need to add following details in our manifest file AndroidManifest. We need to add Internet permission in our manifest file, for that open AndroidManifest. Add the following meta-data element to application element in AndroidManifest. Add following facebook activity in android manifest file.
As a result, people do not have to enter their credentials, if they already logged into Facebook in their Chrome browser. Once we add all the required elements our AndroidManifest.
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When someone clicks on the button, the login is initiated with the permissions set in the LoginManager. LoginButton like as shown below. Now we need to add the following code details in MainActivity. By using CallBackManager. Following is the code to add callback manager and setting read permissions to read user details from facebook profile in activity file.
To respond to a login result, we need to register a callback with either LoginManager or LoginButton. In case, if we register the callback with LoginButton , we don't need to register the callback on Login manager.
Android Facebook Login
We need to add the callback to our activity or fragment's onCreate method like as shown below. The onActivityResult forward the login results to the callbackManager created in onCreate method. Intent; import android. AppCompatActivity; import android. Bundle; import com. CallbackManager; import com. FacebookCallback; import com. FacebookException; import com. LoginResult; import com. When we click on Continue with Facebook button, it will show popup to login with Facebook, once you logged in successfully we will get the logout button like as shown below.
Android Facebook Integration Login with Examples. Once we are done with creation of App, our App ID will be shown like as shown below. Thanks to Register with tutlane. Lost Password? Sign In. There are two ways to implement Facebook login on Android:. In this tutorial we will be using LoginButton Class to connect to Facebook. Facebook LoginButton element wraps functionality available in the LoginManager. So when someone clicks on the button, the login is initiated with the set permissions. Since we have not put the app in Google Play Store It will generate warning message as below.
Make sure you have entered correct package name and click on Use this package name button. You can generate your application signature keyhash using keytool that comes with java. You must have openssl on your computer otherwise first install openssl and set it in your system environment path. This command will generate a character key hash unique to your development environment. Copy and paste it into the field below. You will need to provide a development key hash for the development environment of each person who works on your app.
Then we have com. LoginButton , this is custom button widget provided by facebook SDK it has built-in support to handle login. We have used facebook: Note that all the three buttons are initially hidden using android: This callback manages the result of Facebook Login and handles conditions such as onSuccess, onCancel and onError. Paste the following code in the LoginActivity after closing brackets of onCreate Method.
The above two functions uses methods hasPublishPermission and performPublish methods. FacebookFragment will be hosted in the LoginActivity. The layout will act as container for the FacebookFragment. Next add the FragmentManager to LoginActivity in order to start the fragment. Now, run the app on your phone or emulator where you are already using your Facebook account, and you should be able to sign in to the App using your existing Facebook account.
Please note that while your app is in development stage you can login into the app using the facebook account which is registered as Developer or a Tester. Switch to a registered test user or ask an app admin for permissions. In case you face similar issue, then configure the roles in the Facebook Developers page in the app roles section. You can experiment with different user permissions and try to access the information from the user. Sign in Email. Forgot your password? Search within: Articles Quick Answers Messages.
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Stats Licenced CPOL. Adding Facebook Login to Android App. Andy Point , 20 Jul Rate this: Please Sign up or sign in to vote. Integrating Facebook Login to Android Application.
Adding Facebook Login to Android App - CodeProject
This is because most of the people have a facebook account and facebook has provide an easy to integrate SDK to add Facebook Login to your mobile app. There are two ways to implement Facebook login on Android: LoginButton class — Which provides a button you can add to your UI. It follows the current access token and allows people to log in and out. LoginManager class — To initiate login without using a UI element.
A real time android device Smartphone or Tablet configured with Android Studio. Make sure you have Facebook App installed on your android device and it is running Android 4. Create a New Project. Android 4.
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This is required for Facebook SDK to function correctly. Choose the activity type as Empty Activity and click next. Name the activity, We have used LoginActivity as the activity name. Make sure Generate Layout File check box is selected. This will create your project and initialize all the components. Adding Facebook SDK to your project.
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Add this to build. Now you will be able to import com. FacebookSdk into your app. Add the following code to build. This will open a new page with Info on facebook login for android, scroll down until you find App info section. Enter your app Interests as shown in figure below and click on Next.
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Add development and release key hashes. To ensure the authenticity of the interactions between your app and Facebook, you need to provide the Android key hash for your development environment. If the app has already been published, you should also add your release key hash. To create facebook android native app you need to provide your Android application signature in facebook app settings. For Windows Pc: Run the following command in cmd and give password as android.
Open a terminal and run the following command and give password as android. If your app has already been published, you should also add a hash of your release key. Adding Facebook Login to your android app. Create a new java class and name it FacebookFragment. Add a call to FacebookSdk.
Android Facebook Integration (Login) with Examples
Open your strings. Example path: Open AndroidManifest. ApplicationId" android: FacebookActivity" android: NoTitleBar" android: Append your app id to the end of the authorities value. For example if your Facebook app id is , the declaration looks like: FacebookContentProvider" android: Now open the layout file and add the following code. LoginButton android: Declare a private LoginButton variable in FacebookFragment.
Next We use the share call back we defined earlier on shareDialog used to share on facebook. URL url. If the profile is null it sets the default profile picture in the image view, but in case the profile is valid it will add the greeting text and set the profile picture of the user. To load the profile picture we have created a utility method LoadProfileImage which we will be discussing shortly.
We have to handle the visibilty of the buttons here since we will be calling this method in the onResume lifecyle method of the fragment. In case of any change activity lifecycle event like change in device configuration we need to use saved bundle information. It manages the pending actions if there is any. Based on the pending status it will call postPhoto and postStatusUpdate method which are discussed below. It allows your app to update the status on behalf of the user, We have created a ShareLinkContent object using its Builder method and based upon the permissions the app will show the dialog to share the content or pass it as pendingAction.
It allows your app to post a photo on behalf of the user, We have created a SharePhoto object using its Builder method, again based upon the permissions the app will show the dialog to share the content or pass it as pendingAction.