Get list installed app in android

gistfile1.txt

private List<Application> getInstalledAppList() {
            List<Application> listApps = new ArrayList<>();
            final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
            mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
            final List pkgAppsList = getPackageManager().queryIntentActivities(mainIntent, 0);
            ResolveInfoComparator resolveInfoComparator = new ResolveInfoComparator(getPackageManager());
            Collections.sort(pkgAppsList, resolveInfoComparator);
            String[] listPackageChecked = SharedPref.getInstance(getBaseContext()).getString(Constants.LIST_APP, "").split(getApplicationContext()
                                                             .getString(R.string.signal));
            for (Object object : pkgAppsList) {
                ResolveInfo info = (ResolveInfo) object;
                Drawable icon = getBaseContext().getPackageManager().getApplicationIcon(info.activityInfo.applicationInfo);
                String strPackageName = info.activityInfo.applicationInfo.packageName.toString();
                final String title = (String) ((info != null) ? getBaseContext().getPackageManager().getApplicationLabel(info.activityInfo.applicationInfo) : "???");
                Application app = new Application();
                app.setmIcon(icon);
                app.setmName(title);
                app.setmPackage(strPackageName);
                for (int i = 0; i < listPackageChecked.length; i++) {
                    if(strPackageName.equals(listPackageChecked[i])){
                        app.setChecked(true);
                        break;
                    }
                }
                listApps.add(app);
            }
            return listApps;
        }