Finished language functionality

app/src/main/java/com/a1/nextlocation/fragments/SettingsFragment.java

@@ -8,6 +8,7 @@ import android.os.Bundle;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentTransaction;
 
 import android.view.LayoutInflater;
 import android.view.View;
@@ -52,16 +53,22 @@ public class SettingsFragment extends Fragment {
         // set the language dropdown on the currently selected language stored in the sharedPreferences
         languageDropdown.setSelection(languageToDropdownPosition(getContext().getSharedPreferences("Settings", Context.MODE_PRIVATE).getString("Language", "")));
 
+        long previousID = languageDropdown.getSelectedItemId();
         languageDropdown.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                 setLocale(dropdownPositionToLanguage(id));
-
+                if (id != previousID){
+                    Fragment currentFragment = getActivity().getSupportFragmentManager().findFragmentById(R.id.fragment_layout);
+                    FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+                    fragmentTransaction.detach(currentFragment);
+                    fragmentTransaction.attach(currentFragment);
+                    fragmentTransaction.commit();
+                }
             }
 
             @Override
             public void onNothingSelected(AdapterView<?> parent) {
-
             }
         });
     }
@@ -98,6 +105,17 @@ public class SettingsFragment extends Fragment {
         }
     }
 
+    /**
+     * reloads the fragment
+     */
+    private void refresh(){
+        Fragment currentFragment = getActivity().getSupportFragmentManager().findFragmentById(R.id.fragment_layout);
+        FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+        fragmentTransaction.detach(currentFragment);
+        fragmentTransaction.attach(currentFragment);
+        fragmentTransaction.commit();
+    }
+
     /**
      * changes the current language to the desired language and saves this setting in SharedPreferences
      * @param language the desired language to translate to