LoadAppPojos.java

package fr.neamar.kiss.loader;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.LauncherActivityInfo;
import android.content.pm.LauncherApps;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.preference.PreferenceManager;
import android.os.Build;
import android.os.Process;
import android.os.UserManager;
import android.util.Log;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import fr.neamar.kiss.KissApplication;
import fr.neamar.kiss.TagsHandler;
import fr.neamar.kiss.pojo.AppPojo;
import fr.neamar.kiss.utils.UserHandle;

public class LoadAppPojos extends LoadPojos<AppPojo> {

    private TagsHandler tagsHandler;
    private static SharedPreferences prefs;

    public LoadAppPojos(Context context) {
        super(context, "app://");
        prefs = PreferenceManager.getDefaultSharedPreferences(context);
        tagsHandler = KissApplication.getDataHandler(context).getTagsHandler();
    }

    @Override
    protected ArrayList<AppPojo> doInBackground(Void... params) {
        long start = System.nanoTime();

        ArrayList<AppPojo> apps = new ArrayList<>();
        String excludedAppList = PreferenceManager.getDefaultSharedPreferences(context).
                getString("excluded-apps-list", context.getPackageName() + ";");
        List excludedApps = Arrays.asList(excludedAppList.split(";"));

		if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
			UserManager  manager  = (UserManager)  context.getSystemService(Context.USER_SERVICE);
			LauncherApps launcher = (LauncherApps) context.getSystemService(Context.LAUNCHER_APPS_SERVICE);
			
			// Handle multi-profile support introduced in Android 5 (#542)
			for (android.os.UserHandle profile : manager.getUserProfiles()) {
				UserHandle user = new UserHandle(manager.getSerialNumberForUser(profile), profile);
				for (LauncherActivityInfo activityInfo : launcher.getActivityList(null, profile)) {
					ApplicationInfo appInfo = activityInfo.getApplicationInfo();
					
					String fullPackageName = user.addUserSuffixToString(appInfo.packageName, '#');
					if(!excludedApps.contains(fullPackageName)) {
						AppPojo app = new AppPojo();
						
						app.id = user.addUserSuffixToString(pojoScheme + appInfo.packageName + "/" + activityInfo.getName(), '/');
						
						app.setName(activityInfo.getLabel().toString());
						
						app.packageName  = appInfo.packageName;
						app.activityName = activityInfo.getName();
						
						// Wrap Android user handle in opaque container that will work across
						// all Android versions
						app.userHandle = user;
						
						app.setTags(tagsHandler.getTags(app.id));
						apps.add(app);
					}
				}
			}
        } else {
            PackageManager manager = context.getPackageManager();

            Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
            mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);

            for (ResolveInfo info : manager.queryIntentActivities(mainIntent, 0)) {
                ApplicationInfo appInfo = info.activityInfo.applicationInfo;
                if (!excludedApps.contains(appInfo.packageName)) {
                    AppPojo app = new AppPojo();

                    app.id = pojoScheme + appInfo.packageName + "/" + info.activityInfo.name;
                    app.setName(info.loadLabel(manager).toString());

                    app.packageName  = appInfo.packageName;
                    app.activityName = info.activityInfo.name;
                    
                    app.userHandle = new UserHandle();

                    app.setTags(tagsHandler.getTags(app.id));
                    apps.add(app);
                }
            }
        }
        
        // Apply app sorting preference
        if (prefs.getString("sort-apps", "alphabetical").equals("invertedAlphabetical")) {
            Collections.sort(apps, Collections.reverseOrder(new AppPojo.NameComparator()));
        } else {
            Collections.sort(apps, new AppPojo.NameComparator());
        }
        
        long end = System.nanoTime();
        Log.i("time", Long.toString((end - start) / 1000000) + " milliseconds to list apps");
        return apps;
    }
}