android facebook intent share

        try {
            Intent intent = new Intent(Intent.ACTION_VIEW, "your app content");

            // narrow down to official facebookapp if available
            List<ResolveInfo> matches = this.context.getPackageManager().queryIntentActivities(intent, 0);
            for (ResolveInfo info : matches) {
                if (info.activityInfo.packageName.toLowerCase().startsWith("com.facebook.katana")) {
                    intent.setPackage(info.activityInfo.packageName);
                }
            }

            this.context.startActivity(intent);

        } catch (NullPointerException e) {}