improve bottom nav

Signed-off-by: androidacy-user <opensource@androidacy.com>

app/src/main/java/com/fox2code/mmm/MainActivity.java

@@ -195,10 +195,11 @@ public class MainActivity extends FoxActivity implements SwipeRefreshLayout.OnRe
         BottomNavigationView bottomNavigationView = findViewById(R.id.bottom_navigation);
         // set the bottom padding of the main layout to the height of the bottom nav
         findViewById(R.id.root_container).setPadding(0, 0, 0, bottomNavigationView.getHeight());
-        bottomNavigationView.setSelectedItemId(R.id.installed_menu_item);
         bottomNavigationView.setOnItemSelectedListener(item -> {
             if (item.getItemId() == R.id.settings_menu_item) {
                 startActivity(new Intent(MainActivity.this, SettingsActivity.class));
+                overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);
+                finish();
             } else if (item.getItemId() == R.id.online_menu_item) {
                 // set module_list_online as visible and module_list as gone. fade in/out
                 this.moduleListOnline.setAlpha(0F);

app/src/main/java/com/fox2code/mmm/settings/SettingsActivity.java

@@ -150,6 +150,8 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
         int itemId = item.getItemId();
         if (itemId == R.id.installed_menu_item || itemId == R.id.online_menu_item) {
             startActivity(new Intent(this, MainActivity.class));
+            overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);
+            finish();
             return true;
         } else //noinspection RedundantIfStatement
             if (itemId == R.id.settings_menu_item) {