Implement sending data to MainMenuFragment

Author: kritoth

app/src/main/java/com/tiansirk/countryquiz/ui/MainActivity.java

@@ -10,6 +10,7 @@
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.Parcelable;
 
 import com.google.android.gms.tasks.OnSuccessListener;
 import com.google.firebase.auth.FirebaseAuth;
@@ -25,13 +26,16 @@
 import com.tiansirk.countryquiz.utils.MyDebugTree;
 import com.tiansirk.countryquiz.utils.MyReleaseTree;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class MainActivity extends AppCompatActivity implements Repository.EntityChangeListener,
         WelcomeFragment.WelcomeFragmentListener, MainMenuFragment.MainMenuFragmentListener {
 
     public static final String USER_PREFERENCES = MainActivity.class.getPackage().getName().concat("_userPrefs");
     public static final String KEY_SAVED_USER_NAME = "userName";
+    public static final String KEY_USER = "user";
+    public static final String KEY_LEVELS = "levels";
     public static final String TAG_WELCOME_FRAGMENT = "welcome_fragment";
     public static final String TAG_MAIN_MENU_FRAGMENT = "main_menu_fragment";
     private static final String COLLECTION_NAME = "users";
@@ -74,10 +78,6 @@ private void initFireStore(){
         mRepository = new Repository(this, User.class, COLLECTION_NAME);
     }
 
-
-
-
-
     private void initWelcomeFragment(){
         Timber.i("Initializing WelcomeFragment");
         FragmentManager fragmentManager = getSupportFragmentManager();
@@ -90,9 +90,13 @@ private void initWelcomeFragment(){
 
     private void initMainMenuFragment(){
         Timber.i("Initializing MainMenuFragment");
+        Bundle bundle = new Bundle();
+        bundle.putParcelable(KEY_USER, mUser);
+        bundle.putParcelableArrayList(KEY_LEVELS, (ArrayList<? extends Parcelable>) mLevels);
         FragmentManager fragmentManager = getSupportFragmentManager();
         FragmentTransaction ft = fragmentManager.beginTransaction();
         mainMenuFragment = new MainMenuFragment();
+        mainMenuFragment.setArguments(bundle);
         ft.replace(R.id.container_main_menu, mainMenuFragment, TAG_MAIN_MENU_FRAGMENT);
         ft.addToBackStack(TAG_MAIN_MENU_FRAGMENT);
         ft.commit();
@@ -105,6 +109,7 @@ public void onSetupFinished(User user, List<Level> levels) {
         Timber.d("User received from WelcomeFragment: %s", user.toString());
         mUser = user;
         mLevels = levels;
+        if(!welcomeFragment.isHidden()) showHideFragment(welcomeFragment);
         initMainMenuFragment();
     }
 

app/src/main/java/com/tiansirk/countryquiz/ui/MainMenuFragment.java

@@ -6,6 +6,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
+import timber.log.Timber;
 
 import android.view.LayoutInflater;
 import android.view.View;
@@ -16,35 +17,31 @@
 import com.tiansirk.countryquiz.model.Question;
 import com.tiansirk.countryquiz.model.User;
 
+import java.util.ArrayList;
 import java.util.List;
 
+import static com.tiansirk.countryquiz.ui.MainActivity.KEY_LEVELS;
+import static com.tiansirk.countryquiz.ui.MainActivity.KEY_USER;
+
 /** A simple {@link Fragment} subclass.
  * Use the {@link MainMenuFragment.MainMenuFragmentListener} interface for to communicate with this fragment.
  */
 public class MainMenuFragment extends Fragment {
 
-    /**
-     * Member vars for views
-     */
+    /** Member vars for views */
     private FragmentMainMenuBinding binding;
 
-    /**
-     * Member var for own custom communication listener
-     */
+    /** Member var for own custom communication listener */
     private MainMenuFragmentListener listener;
 
-    /**
-     * The interface for communication
-     */
+    /** The interface for communication */
     public interface MainMenuFragmentListener {
         void onStartGameClicked();
     }
 
-    /**
-     * Member vars for game
-     */
+    /** Member vars for game */
     private User mUser;
-    private Level mLevel;
+    private ArrayList<Level> mLevels;
     private List<Question> mQuestions;
 
     // Required empty public constructor
@@ -62,21 +59,23 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
         // Inflate the layout for this fragment
         binding = FragmentMainMenuBinding.inflate(inflater, container, false);
         View rootView = binding.getRoot();
-
+        Timber.i("Receiving User and ArrayList<Level> from MainActivity");
+        Bundle bundle = getArguments();
+        mUser = bundle.getParcelable(KEY_USER);
+        mLevels = bundle.getParcelableArrayList(KEY_LEVELS);
+        Timber.i("User: %s. Levels: %s", mUser.toString(), mLevels.size());
         return rootView;
     }
 
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
+        setDataToViews();
+        showDataView();
     }
 
-    /**
-     * When this fragment is attached to its host activity, ie {@link MainActivity} the listener interface is connected
-     * If not then an error exception is thrown to notify the developer.
-     *
-     * @param context
-     */
+    /** When this fragment is attached to its host activity, ie {@link MainActivity} the listener interface is connected
+     * If not then an error exception is thrown to notify the developer. */
     @Override
     public void onAttach(@NonNull Context context) {
         super.onAttach(context);
@@ -88,13 +87,47 @@ public void onAttach(@NonNull Context context) {
         }
     }
 
-    /**
-     * When this fragment is detached from the host, the listeners is set to null, to decouple.
-     */
+    /** When this fragment is detached from the host, the listeners is set to null, to decouple. */
     @Override
     public void onDetach() {
         super.onDetach();
         listener = null;
     }
 
+    /** This method will set the data in member fields to the views */
+    private void setDataToViews(){
+        binding.tvName.setText(mUser.getUsername());
+        binding.tvHighScore.setText(mUser.getTotalPoints());
+    }
+
+    /** This method will show the progressbar */
+    private void showProgressBar() {
+        binding.pbMainMenuFragment.setVisibility(View.VISIBLE);
+    }
+    /** This method will hide the progressbar */
+    private void hideProgressBar() {
+        binding.pbMainMenuFragment.setVisibility(View.INVISIBLE);
+    }
+    /** This method will make the Welcome view visible and hide the error message */
+    private void showDataView() {
+        // First, make sure the error is invisible
+        binding.tvErrorMessageMainMenuFragment.setVisibility(View.INVISIBLE);
+        // Then hide loading indicator
+        binding.pbMainMenuFragment.setVisibility(View.INVISIBLE);
+        // Then, make sure the data is visible
+        binding.tvTitle.setVisibility(View.VISIBLE);
+        binding.tvName.setVisibility(View.VISIBLE);
+        binding.tvHighScore.setVisibility(View.VISIBLE);
+    }
+    /** This method will make the error message visible and hide the Welcome view */
+    private void showErrorMessage() {
+        // First, hide the currently visible data
+        binding.tvTitle.setVisibility(View.INVISIBLE);
+        binding.tvName.setVisibility(View.INVISIBLE);
+        binding.tvHighScore.setVisibility(View.INVISIBLE);
+        // Then hide loading indicator
+        binding.pbMainMenuFragment.setVisibility(View.INVISIBLE);
+        // Then, show the error
+        binding.tvErrorMessageMainMenuFragment.setVisibility(View.VISIBLE);
+    }
 }

app/src/main/res/layout/fragment_main_menu.xml

@@ -37,7 +37,7 @@
             android:id="@+id/tv_title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:hint="@string/title_main_menu_fragment"
+            android:text="@string/title_main_menu_fragment"
             app:layout_constraintBottom_toTopOf="@+id/tv_name"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintHorizontal_bias="0.5"
@@ -59,7 +59,7 @@
             android:id="@+id/tv_high_score"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="@string/high_score_main_menu_fragment"
+            tools:text="@string/high_score_main_menu_fragment"
 
             app:layout_constraintBottom_toTopOf="@+id/btn_new_game"
             app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/values/strings.xml

@@ -18,6 +18,7 @@
     <string name="high_score_main_menu_fragment">High Score: %d</string>
     <string name="name_main_menu_fragment">Player 1</string>
     <string name="start_main_menu_fragment">Start Game</string>
+    <string name="continue_main_menu_fragment">Continue Game</string>
     <string name="leaderboard_main_menu_fragment">Leader Board</string>
     <string name="question_topLevelDomain">What is the domain of %s used on the internet?</string>
     <string name="question_capital">What is the %s of %s?</string>