Social sharing via intent

***
import android.net.Uri;

http://stackoverflow.com/questions/7545254/android-and-facebook-share-intent

http://stackoverflow.com/questions/3515198/share-text-on-facebook-from-android-app-via-action-send

          SocialSharing("com.facebook.katana");

void SocialSharing(String packageName) {
        final boolean isInstalled = appInstalledOrNot(packageName);
        if (isInstalled) {
            Intent waIntent = new Intent(Intent.ACTION_SEND);
            waIntent.setType("text/plain");
            waIntent.setPackage(packageName);
            if (waIntent != null) {
                if (!personalMsg.equalsIgnoreCase("")) {
                    //waIntent.putExtra(Intent.EXTRA_TEXT, "Hi");
                    waIntent.putExtra(Intent.EXTRA_TEXT, personalMsg + " \n \n" + getResources().getString(R.string.share_text) + " " + AppPrefs.getInstance(mContext).getOrgName().toString().toLowerCase() + " \n\n" + mShortURL);
                } else {
                    waIntent.putExtra(Intent.EXTRA_TEXT, mShortURL + " \n\n" + getResources().getString(R.string.share_text) + AppPrefs.getInstance(mContext).getOrgName().toString().toLowerCase());
                }
                startActivity(Intent.createChooser(waIntent, "share with"));
            }
        } else {
            Intent intent = new Intent(Intent.ACTION_VIEW);
            intent.setData(Uri.parse("market://details?id=" + packageName));
            startActivity(intent);
        }
    }

    private boolean appInstalledOrNot(String uri) {
        PackageManager pm = getPackageManager();
        boolean app_installed;
        try {
            pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
            app_installed = true;
        } catch (PackageManager.NameNotFoundException e) {
            app_installed = false;
        }
        return app_installed;
    }