Fixes #2843 New main screen UI in v3.0 (#3891)

* Add additional classes from 2019 hackathon implementation

* Make first tab work

* Make explore tab work

* Handle back button for contrib and nearby

* Fix framelayout and nav bar allignment

* Fix nav bar tint

* Fix nearby card layout

* Make contributions number visible

* Change menu icon according to fragment

* Make notification icon work and remove drawer

* Make favourites accessible from nav bar

* Turn bookmark and explore activities into fragments

* Use bottom sheet instead of more fragment

* Add actions

* Remove unused classes

* Fix indentation

* remove more fragment title

* Fix explore fragment indentation

* Make toolbar settings as we wanted

* Set card view styles

* Make colors for explore actiivty

* Remove drawer from achievements activity

* Add back button to achievements activity

* remove drawer from review activity

* Remove drawer from settings activity

* Remove drawer from about activity

* Fix dagger injection of fragment

* Implement skip login version

* Add theme missing colors

* Add style to moresheet

* refactor name

* call login with button

* Remove all old bookmarks activity dependency

* Make explore tab items clickable

* Do nothing if same tab is selected

* Fix notification icon color for dark theme

* Fix wrong drawable colors

* Handle back button after media details is visible from contrib and explore fragments

* make favourites open media details

* Fix profile icon

* Make user name visible instead

* Move user back to contrib fragment

* Remove NavigationBaseAvticity

* Fix typo in bookmark fragment

* Fix menu button colors

* Remove explore activity

* remove drawer and dependencies

* Make bookmark media details visible

* Cleanup code

* Code cleanup

* Remove unused layout

* Make contriblist UI look like in mockups

* Change limited connecton toggle

* Move list menu item to nearby fragment

* Fix search button crash

* Make media detail appear

* Back button added

* Fix back button npe

* Change bookmark list view

* Fix always the firs item displayed issue

* Allign contrib list bottom line to simple drawee bottom

* fix fragment string

* Fix back button for mobile uploads

* Make lists appear

* Make fav item selected

* Make favourites clickable

* Add back button to media details

* Add toolbar of notification activity

* Change contributions icon

* Fix card UI

* Fix back button in explore

* Make card views look similar to mockups

* Solve campaign bug visible issue

* Make borders a little softer

app/src/main/java/fr/free/nrw/commons/notification/NotificationActivity.java

@@ -13,6 +13,7 @@ import android.widget.ProgressBar;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 import android.widget.Toast;
+import androidx.appcompat.widget.Toolbar;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.LinearLayoutManager;
@@ -22,7 +23,7 @@ import butterknife.ButterKnife;
 import com.google.android.material.snackbar.Snackbar;
 import fr.free.nrw.commons.R;
 import fr.free.nrw.commons.Utils;
-import fr.free.nrw.commons.theme.NavigationBaseActivity;
+import fr.free.nrw.commons.theme.BaseActivity;
 import fr.free.nrw.commons.utils.NetworkUtils;
 import fr.free.nrw.commons.utils.ViewUtil;
 import io.reactivex.Observable;
@@ -41,7 +42,7 @@ import timber.log.Timber;
  * Created by root on 18.12.2017.
  */
 
-public class NotificationActivity extends NavigationBaseActivity {
+public class NotificationActivity extends BaseActivity {
     @BindView(R.id.listView)
     RecyclerView recyclerView;
     @BindView(R.id.progressBar)
@@ -52,6 +53,9 @@ public class NotificationActivity extends NavigationBaseActivity {
     ConstraintLayout no_notification;
     @BindView(R.id.no_notification_text)
     TextView noNotificationText;
+    @BindView(R.id.toolbar)
+    Toolbar toolbar;
+
 
     @Inject
     NotificationController controller;
@@ -70,8 +74,15 @@ public class NotificationActivity extends NavigationBaseActivity {
         mNotificationWorkerFragment = (NotificationWorkerFragment) getFragmentManager()
                 .findFragmentByTag(TAG_NOTIFICATION_WORKER_FRAGMENT);
         initListView();
-        initDrawer();
         setPageTitle();
+        setSupportActionBar(toolbar);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        onBackPressed();
+        return true;
     }
 
     @SuppressLint("CheckResult")