Connect social media account in a single line of code in Android.For more information, check out my detailed guide here : http://droidmentor.com/connect-social-media-account/

SocialConnection.java

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.text.TextUtils;
import android.widget.Toast;

/**
 * Created by Jaison
 */

public class SocialConnection {
    public static String networkErrorMessage = "Network not available";
    public static boolean checkInternetConnection = true;
    public static boolean showErrorMessage = true;


    /**
     * Connect Facebook Account (Page/Profile)
     *
     * @param context
     * @param fbID
     */
    public static void connectFacebook(Context context, String fbID) {
        Intent intent = getIntent();

        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.facebook.katana")) {
                intent.setPackage("com.facebook.katana");
                int versionCode = 0;
                try {
                    versionCode = context.getPackageManager().getPackageInfo("com.facebook.katana", 0).versionCode;
                } catch (PackageManager.NameNotFoundException e) {
                    e.printStackTrace();
                }

                if (versionCode >= 3002850) {
                    Uri uri = Uri.parse("fb://facewebmodal/f?href=" + "http://m.facebook.com/" + fbID);
                    intent.setData(uri);
                } else {
                    Uri uri = Uri.parse("fb://profile/" + fbID);
                    intent.setData(uri);
                }
            } else {
                intent.setData(Uri.parse("http://m.facebook.com/" + fbID));
            }

            context.startActivity(intent);
        }
    }

    /**
     * Connect Twitter Account
     *
     * @param context
     * @param handle
     */
    public static void connectTwitter(Context context, String handle) {
        Intent intent = getIntent();

        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.twitter.android")) {
                intent.setPackage("com.twitter.android");
                intent.setData(Uri.parse("twitter://user?screen_name=" + handle));

            } else {
                intent.setData(Uri.parse("https://twitter.com/" + handle));
            }

            context.startActivity(intent);
        }
    }

    /**
     * Connect Instagram
     *
     * @param context
     * @param id
     */
    public static void connectInstagram(Context context, String id) {
        Intent intent = getIntent();
        intent.setData(Uri.parse("http://instagram.com/_u/" + id));

        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.instagram.android"))
                intent.setPackage("com.instagram.android");

            context.startActivity(intent);
        }
    }

    /**
     * Send Email
     *
     * @param context
     * @param mailID
     */
    public static void sendMail(Context context, String mailID[]) {
        sendMail(context, mailID, "");
    }

    /**
     * Send Email
     *
     * @param context
     * @param mailID
     * @param subject
     */
    public static void sendMail(Context context, String mailID[], String subject) {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_SEND);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setType("message/rfc822");
        intent.putExtra(Intent.EXTRA_EMAIL, mailID);
        if (!TextUtils.isEmpty(subject))
            intent.putExtra(Intent.EXTRA_SUBJECT, subject);

        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.google.android.gm"))
                intent.setPackage("com.google.android.gm");

            context.startActivity(intent);
        }
    }

    /**
     * Connect LinkedIn Profile
     *
     * @param context
     * @param id
     */
    public static void connectLinkedIn(Context context, String id) {
        Intent intent = getIntent();

        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.linkedin.android")) {
                intent.setPackage("com.linkedin.android");
                intent.setData(Uri.parse("linkedin://profile/" + id));
            } else
                intent.setData(Uri.parse("https://www.linkedin.com/in/" + id));


            context.startActivity(intent);
        }

        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "app package name")) {
                intent.setPackage("app package name");
                intent.setData(Uri.parse("page URI" + id));
            } else
                intent.setData(Uri.parse("URL" + id));


            context.startActivity(intent);
        }
    }

    /**
     * Connect YouTube
     *
     * @param context
     * @param channel
     */
    public static void connectYouTube(Context context, String channel) {
        Intent intent = getIntent();
        intent.setData(Uri.parse("http://youtube.com/channel/" + channel));

        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.google.android.youtube"))
                intent.setPackage("com.google.android.youtube");

            context.startActivity(intent);
        }
    }

    /**
     * Link GitHub Profile
     *
     * @param context
     * @param id
     */
    public static void connectGitHub(Context context, String id) {
        Intent intent = getIntent();
        intent.setData(Uri.parse("https://github.com/" + id));

        if (isNetworkAvailable(context))
            context.startActivity(intent);

    }

    /**
     * Redirect to PlayStore App Page
     *
     * @param context
     * @param appPkgName
     */
    public static void connectPlayStoreApp(Context context, String appPkgName) {
        Intent intent = getIntent();


        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.android.vending")) {
                intent.setPackage("com.android.vending");
                intent.setData(Uri.parse("market://details?id=" + appPkgName));
            } else
                intent.setData(Uri.parse("http://play.google.com/store/apps/details?id=" + appPkgName));


            context.startActivity(intent);
        }
    }

    /**
     * ListOut Apps of the developer
     *
     * @param context
     * @param devName
     */

    public static void listPlayStoreApps(Context context, String devName) {
        Intent intent = getIntent();


        if (isNetworkAvailable(context)) {
            if (isAppAvailable(context, "com.android.vending")) {
                intent.setPackage("com.android.vending");
                intent.setData(Uri.parse("market://search?q=" + devName));
            } else
                intent.setData(Uri.parse("http://play.google.com/store/apps/developer?id=" + devName));


            context.startActivity(intent);
        }
    }

    /**
     * Show URL
     *
     * @param context
     * @param url
     */
    public static void loadURL(Context context, String url) {
        if (!url.startsWith("http://") && !url.startsWith("https://"))
            url = "http://" + url;
        if (isNetworkAvailable(context)) {
            Intent intent = getIntent();
            intent.setData(Uri.parse(url));
            context.startActivity(intent);
        }
    }


    private static Intent getIntent() {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        return intent;
    }

    /**
     * Check the given App is Available (or) Not
     *
     * @param context
     * @param appName
     * @return
     */
    public static Boolean isAppAvailable(Context context, String appName) {
        PackageManager pm = context.getPackageManager();
        boolean isInstalled;
        try {
            pm.getPackageInfo(appName, PackageManager.GET_ACTIVITIES);
            isInstalled = true;
        } catch (PackageManager.NameNotFoundException e) {
            isInstalled = false;
        }
        return isInstalled;
    }

    /**
     * Check the Internet Connection
     *
     * @param context
     * @return
     */
    public static boolean isNetworkAvailable(Context context) {

        if (checkInternetConnection) {
            ConnectivityManager connectivityManager = (ConnectivityManager)
                    context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo netInfo = connectivityManager.getActiveNetworkInfo();
            if (netInfo != null && netInfo.isConnectedOrConnecting())
                return true;
            else {
                if (showErrorMessage)
                    Toast.makeText(context, networkErrorMessage, Toast.LENGTH_SHORT).show();

                return false;
            }
        } else
            return true;

    }

    public static void setNetworkErrorMessage(String networkErrorMessage) {
        SocialConnection.networkErrorMessage = networkErrorMessage;
    }

    public static void setCheckInternetConnection(boolean checkInternetConnection) {
        SocialConnection.checkInternetConnection = checkInternetConnection;
    }

    public static void setShowErrorMessage(boolean showErrorMessage) {
        SocialConnection.showErrorMessage = showErrorMessage;
    }
}