Linkedin Integration - To provide the one click signup and signin process in the application, Android developers provide the login with social sites facilities like- facebook, twitter, linkedin, g+ etc. This tutorial guide you for Linkedin one click signup and signin process.
Steps to use recycle view in your project.
- Crate a project in android studio.
- First download linkedin sdk(Download SDK) and import as a module in your project.
- Open build.gradle(app) and add some dependency
//______add linkedin-sdk as a dependency
compile project(':linkedin-sdk')
//______add picaso dependency for image loding
compile 'com.squareup.picasso:picasso:2.5.2' - Click on "Sync Now"
- Open your main_activity.xml and update it-
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
tools:context="com.pankaj.linkedindemo.MainActivity">
<!--to show user image-->
<ImageView
android:id="@+id/ivUser"
android:layout_width="180dp"
android:layout_height="180dp"
android:layout_margin="5dp"
android:src="@drawable/ic_launcher" />
<!--to show user name-->
<TextView
android:id="@+id/tvName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="Point of Android" />
<!--to show user email-->
<TextView
android:id="@+id/tvMail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="e@mail.com" />
<!--for login with linkedin-->
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="login"
android:text="Login with linkedin" />
<!--for generate keyhash-->
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="generateHashkey"
android:text="Genrate KeyHash" />
<!--to show package name-->
<TextView
android:id="@+id/tvPackage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="package" />
<!--to show keyhash-->
<TextView
android:id="@+id/tvKeyHash"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:text="Keyhash" />
</LinearLayout> - Open your MainActivity.JAVA class and update it -
package com.pankaj.linkedindemo;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.Signature;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Base64;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.linkedin.platform.APIHelper;
import com.linkedin.platform.LISessionManager;
import com.linkedin.platform.errors.LIApiError;
import com.linkedin.platform.errors.LIAuthError;
import com.linkedin.platform.listeners.ApiListener;
import com.linkedin.platform.listeners.ApiResponse;
import com.linkedin.platform.listeners.AuthListener;
import com.linkedin.platform.utils.Scope;
import com.squareup.picasso.Picasso;
import org.json.JSONObject;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class MainActivity extends AppCompatActivity {
//__________create objects
private TextView tvName, tvMail, tvPackage, tvKeyHash;
private ImageView ivUser;
private final String TAG = MainActivity.class.getSimpleName();
private final String PACKAGE = "com.pankaj.linkedindemo";
private final String host = "api.linkedin.com";
private final String topCardUrl = "https://" + host + "/v1/people/~:(email-address,formatted-name,phone-numbers,public-profile-url,picture-url,picture-urls::(original))";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//___________initialization
tvName = (TextView) findViewById(R.id.tvName);
tvMail = (TextView) findViewById(R.id.tvMail);
tvPackage = (TextView) findViewById(R.id.tvPackage);
tvKeyHash = (TextView) findViewById(R.id.tvKeyHash);
ivUser = (ImageView) findViewById(R.id.ivUser);
}
//____________methode will be call when click on login with linkedin
public void login(View view) {
//____________authentication request
LISessionManager.getInstance(getApplicationContext()).init(this, buildScope(), new AuthListener() {
@Override
public void onAuthSuccess() {
}
@Override
public void onAuthError(LIAuthError error) {
Toast.makeText(getApplicationContext(), "failed " + error.toString(), Toast.LENGTH_LONG).show();
}
}, true);
}
//_________create scope to get permission for access data from linkedin.
private static Scope buildScope() {
return Scope.build(Scope.R_BASICPROFILE, Scope.R_EMAILADDRESS);
}
//___________After complete authentication start new HomePage Activity
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
LISessionManager.getInstance(getApplicationContext()).onActivityResult(this, requestCode, resultCode, data);
getUserData();
}
//___________get data from linked in server
private void getUserData() {
//_______add request to get data
APIHelper apiHelper = APIHelper.getInstance(getApplicationContext());
apiHelper.getRequest(this, topCardUrl, new ApiListener() {
@Override
public void onApiSuccess(ApiResponse result) {
//_________set captured data on screen
setUserProfile(result.getResponseDataAsJson());
}
@Override
public void onApiError(LIApiError error) {
error.printStackTrace();
}
});
}
//___________set data to the screen
public void setUserProfile(JSONObject response) {
try {
Log.e("linkedin response", response.toString());
//__set email address
tvMail.setText(response.get("emailAddress").toString());
//__set Name
tvName.setText(response.get("formattedName").toString());
//parce emage address
String imageUrl = (String) response.getJSONObject("pictureUrls").getJSONArray("values").get(0);
//_________load profile image image
Picasso.with(this).load(imageUrl).into(ivUser);
} catch (Exception e) {
e.printStackTrace();
}
}
//______________genrate hashkey
public void generateHashkey(View view) {
try {
PackageInfo info = getPackageManager().getPackageInfo(PACKAGE, PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
//___________set package name
tvPackage.setText(PACKAGE);
//___________set keyhash
tvKeyHash.setText(Base64.encodeToString(md.digest(), Base64.NO_WRAP));
//___________add package name and key hash into log
Log.e(TAG, "_____________________________________________");
Log.e("Package", PACKAGE);
Log.e("KeyHash", tvKeyHash.getText().toString());
Log.e(TAG, "_____________________________________________");
Toast.makeText(this, "Check your logcate for keyhash", Toast.LENGTH_SHORT).show();
}
} catch (PackageManager.NameNotFoundException e) {
Log.d(TAG, e.getMessage(), e);
} catch (NoSuchAlgorithmException e) {
Log.d(TAG, e.getMessage(), e);
}
}
}
- Now all the development steps for linkedin integration has completed, Please run the application and see the screen of device.
- Now add an application on linkedin developer console(Linkedin Developer Console).
click on Create application - fill all the information required to create the app and submit it.
- Look at the "Default Application Permissions". check the required permission box.
- Click on update.
- Select mobile from the left menu.
- Look on the "Android Settings" add package name and package Key Hash
- For package name and key has check your logcate.
- Click on update.
- Now go to the mobile application and click on "Login with Linkedin" and you will see the permission screen, then click on "OK".
- You can see the logedin user data(name,email and image) on you screen
- Good bye, Thanks to read this blog.
