ShareHelper

gistfile1.txt

/**
 * Created by katsuyagoto.
 */
public class ShareHelper {

    public static final int REQUEST_FACEBOOK = 1;

    public static final int REQUEST_TWITTER = 2;

    public static final int REQUEST_LINE = 3;

    public static final int REQUEST_SMS = 4;

    public static final int REQUEST_MAIL = 5;
    
    public static void shareTwitter(String message, Activity activity) {
        if (!appInstalled(activity, activity.getString(R.string.twitter_package))) {
            ToastHelper.shortMessage(activity, activity.getString(R.string.twitter_not_installed));
        } else {
            try {
                String shareString = URLEncoder.encode(message, "UTF-8");
                String url = "http://twitter.com/share?text=" + shareString;
                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
                activity.startActivityForResult(intent, REQUEST_TWITTER);
            } catch (Exception e) {
            }
        }
    }

    public static void shareFacebook(String message, Activity activity) {
        if (!appInstalled(activity, activity.getString(R.string.facebook_package))) {
            ToastHelper.shortMessage(activity, activity.getString(R.string.facebook_not_installed));
        } else {
            try {
                Intent intent = new Intent();
                intent.setAction(Intent.ACTION_SEND);
                intent.setPackage(activity.getString(R.string.facebook_package));
                intent.setType("text/plain");
                intent.putExtra(Intent.EXTRA_TEXT, message);
                activity.startActivityForResult(intent, REQUEST_FACEBOOK);
            } catch (Exception e) {
            }
        }
    }

    public static void shareLine(String message, Activity activity) {
        if (!appInstalled(activity, activity.getString(R.string.line_package))) {
            ToastHelper.shortMessage(activity,
                    activity.getString(R.string.line_not_installed));
        } else {
            try {
                String lineString = "line://msg/text/"
                        + URLEncoder.encode(message, "UTF-8");
                Intent intent = Intent.parseUri(lineString, Intent.URI_INTENT_SCHEME);
                activity.startActivityForResult(intent, REQUEST_LINE);
            } catch (Exception e) {
            }
        }
    }

    public static void shareSMS(String message, FragmentActivity activity) {
        try {
            Uri smsNumber = Uri.parse("smsto:");
            Intent intent = new Intent(Intent.ACTION_SENDTO, smsNumber);
            intent.putExtra("sms_body", message);
            activity.startActivityForResult(intent, REQUEST_SMS);
        } catch (ActivityNotFoundException e) {
            ToastHelper.shortMessage(activity,
                    activity.getString(R.string.sms_not_installed));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void shareMail(String message, FragmentActivity activity) {
        Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND);
        emailIntent.setType("text/html");
        emailIntent.putExtra(Intent.EXTRA_SUBJECT, activity.getString(R.string.app_name));
        emailIntent.putExtra(Intent.EXTRA_TEXT, Html.fromHtml(message.replaceAll("\n", "<br>")));
        activity.startActivityForResult(Intent.createChooser(emailIntent, "Email:"), REQUEST_MAIL);
    }

    public static boolean appInstalled(Context context, String uri) {
        PackageManager pm = context.getPackageManager();
        try {
            pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
            return true;
        } catch (PackageManager.NameNotFoundException e) {
            return false;
        }
    }

}