String contentDetails = "";
        String contentBrief = "";
        String shareUrl = "";
        Intent it = new Intent(Intent.ACTION_SEND);
        it.setType("text/plain");
        List<ResolveInfo> resInfo = getPackageManager().queryIntentActivities(it, 0);
        if (!resInfo.isEmpty()) {
            List<Intent> targetedShareIntents = new ArrayList<Intent>();
            for (ResolveInfo info : resInfo) {
                Intent targeted = new Intent(Intent.ACTION_SEND);
                targeted.setType("text/plain");
                ActivityInfo activityInfo = info.activityInfo;              
                // judgments : activityInfo.packageName, activityInfo.name, etc.
                if (activityInfo.packageName.contains("bluetooth") || activityInfo.name.contains("bluetooth")) {
                    continue;
                }
                if (activityInfo.packageName.contains("gm") || activityInfo.name.contains("mail")) {
                    targeted.putExtra(Intent.EXTRA_TEXT, contentDetails);
                } else if (activityInfo.packageName.contains("zxing")) {
                    targeted.putExtra(Intent.EXTRA_TEXT, shareUrl);
                } else {
                    targeted.putExtra(Intent.EXTRA_TEXT, contentBrief);
                }
                targeted.setPackage(activityInfo.packageName);
                targetedShareIntents.add(targeted);
            }
            Intent chooserIntent = Intent.createChooser(targetedShareIntents.remove(0), "Select app to share");
            if (chooserIntent == null) {
                return;
            }
            // A Parcelable[] of Intent or LabeledIntent objects as set with
            // putExtra(String, Parcelable[]) of additional activities to place
            // a the front of the list of choices, when shown to the user with a
            // ACTION_CHOOSER.
            chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, targetedShareIntents.toArray(new Parcelable[] {}));
            try {
                startActivity(chooserIntent);
            } catch (android.content.ActivityNotFoundException ex) {
                Toast.makeText(this, "Can't find share component to share", Toast.LENGTH_SHORT).show();
            }
        }