Example usage for android.content.pm LauncherActivityInfo getApplicationInfo

Introduction

In this page you can find the example usage for android.content.pm LauncherActivityInfo getApplicationInfo.

Prototype

public ApplicationInfo getApplicationInfo() 

Source Link

Document

Returns the application info for the appliction this activity belongs to.

Usage

From source file:com.farmerbb.taskbar.service.StartMenuService.java

private void refreshApps(final String query, final boolean firstDraw) {
    if (thread != null)
        thread.interrupt();/*from   ww  w  .  j  a  va2  s . c om*/

    handler = new Handler();
    thread = new Thread(() -> {
        if (pm == null)
            pm = getPackageManager();

        UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
        LauncherApps launcherApps = (LauncherApps) getSystemService(Context.LAUNCHER_APPS_SERVICE);

        final List<UserHandle> userHandles = userManager.getUserProfiles();
        final List<LauncherActivityInfo> unfilteredList = new ArrayList<>();

        for (UserHandle handle : userHandles) {
            unfilteredList.addAll(launcherApps.getActivityList(null, handle));
        }

        final List<LauncherActivityInfo> topAppsList = new ArrayList<>();
        final List<LauncherActivityInfo> allAppsList = new ArrayList<>();
        final List<LauncherActivityInfo> list = new ArrayList<>();

        TopApps topApps = TopApps.getInstance(StartMenuService.this);
        for (LauncherActivityInfo appInfo : unfilteredList) {
            if (topApps.isTopApp(appInfo.getComponentName().flattenToString())
                    || topApps.isTopApp(appInfo.getName()))
                topAppsList.add(appInfo);
        }

        Blacklist blacklist = Blacklist.getInstance(StartMenuService.this);
        for (LauncherActivityInfo appInfo : unfilteredList) {
            if (!(blacklist.isBlocked(appInfo.getComponentName().flattenToString())
                    || blacklist.isBlocked(appInfo.getName()))
                    && !(topApps.isTopApp(appInfo.getComponentName().flattenToString())
                            || topApps.isTopApp(appInfo.getName())))
                allAppsList.add(appInfo);
        }

        Collections.sort(topAppsList, comparator);
        Collections.sort(allAppsList, comparator);

        list.addAll(topAppsList);
        list.addAll(allAppsList);

        topAppsList.clear();
        allAppsList.clear();

        List<LauncherActivityInfo> queryList;
        if (query == null)
            queryList = list;
        else {
            queryList = new ArrayList<>();
            for (LauncherActivityInfo appInfo : list) {
                if (appInfo.getLabel().toString().toLowerCase().contains(query.toLowerCase()))
                    queryList.add(appInfo);
            }
        }

        // Now that we've generated the list of apps,
        // we need to determine if we need to redraw the start menu or not
        boolean shouldRedrawStartMenu = false;
        List<String> finalApplicationIds = new ArrayList<>();

        if (query == null && !firstDraw) {
            for (LauncherActivityInfo appInfo : queryList) {
                finalApplicationIds.add(appInfo.getApplicationInfo().packageName);
            }

            if (finalApplicationIds.size() != currentStartMenuIds.size())
                shouldRedrawStartMenu = true;
            else {
                for (int i = 0; i < finalApplicationIds.size(); i++) {
                    if (!finalApplicationIds.get(i).equals(currentStartMenuIds.get(i))) {
                        shouldRedrawStartMenu = true;
                        break;
                    }
                }
            }
        } else
            shouldRedrawStartMenu = true;

        if (shouldRedrawStartMenu) {
            if (query == null)
                currentStartMenuIds = finalApplicationIds;

            Drawable defaultIcon = pm.getDefaultActivityIcon();

            final List<AppEntry> entries = new ArrayList<>();
            for (LauncherActivityInfo appInfo : queryList) {

                // Attempt to work around frequently reported OutOfMemoryErrors
                String label;
                Drawable icon;

                try {
                    label = appInfo.getLabel().toString();
                    icon = IconCache.getInstance(StartMenuService.this).getIcon(StartMenuService.this, pm,
                            appInfo);
                } catch (OutOfMemoryError e) {
                    System.gc();

                    label = appInfo.getApplicationInfo().packageName;
                    icon = defaultIcon;
                }

                AppEntry newEntry = new AppEntry(appInfo.getApplicationInfo().packageName,
                        new ComponentName(appInfo.getApplicationInfo().packageName, appInfo.getName())
                                .flattenToString(),
                        label, icon, false);

                newEntry.setUserId(userManager.getSerialNumberForUser(appInfo.getUser()));
                entries.add(newEntry);
            }

            handler.post(() -> {
                String queryText = searchView.getQuery().toString();
                if (query == null && queryText.length() == 0 || query != null && query.equals(queryText)) {
                    StartMenuAdapter adapter;
                    SharedPreferences pref = U.getSharedPreferences(StartMenuService.this);
                    if (pref.getString("start_menu_layout", "list").equals("grid")) {
                        startMenu.setNumColumns(3);
                        adapter = new StartMenuAdapter(StartMenuService.this, R.layout.row_alt, entries);
                    } else
                        adapter = new StartMenuAdapter(StartMenuService.this, R.layout.row, entries);

                    int position = startMenu.getFirstVisiblePosition();
                    startMenu.setAdapter(adapter);
                    startMenu.setSelection(position);

                    if (adapter.getCount() > 0)
                        textView.setText(null);
                    else if (query != null)
                        textView.setText(getString(R.string.press_enter));
                    else
                        textView.setText(getString(R.string.nothing_to_see_here));
                }
            });
        }
    });

    thread.start();
}

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