getting closer to implementing the recycler view

app/src/main/java/com/example/wiimmterfaceandroid/MainActivity.java

@@ -3,6 +3,7 @@ package com.example.wiimmterfaceandroid;
 
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.databinding.ObservableArrayList;
 import androidx.fragment.app.FragmentContainerView;
 import androidx.room.Room;
 
@@ -14,23 +15,33 @@ import com.example.wiimmterfaceandroid.model.FriendCode;
 import java.util.List;
 
 public class MainActivity extends AppCompatActivity {
-    List<FriendCode> recentFCList;
+    ObservableArrayList<FriendCode> recentFCList = new ObservableArrayList<>();
+    AppDatabase database;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         FragmentContainerView fcInput = findViewById(R.id.room_fragment);
-        AppDatabase database = Room.databaseBuilder(this, AppDatabase.class, "friend-codes-db").build();
+        this.database = Room.databaseBuilder(this, AppDatabase.class, "friend-codes-db").build();
-        recentFCList = database.getFriendCodeDao().getAll();
+        new Thread(() -> {
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            recentFCList.addAll(database.getFriendCodeDao().getAll());
+        }).start();
+
+
 
         setContentView(R.layout.activity_main);
         if (savedInstanceState == null) {
             getSupportFragmentManager().beginTransaction()
-                    .replace(R.id.friend_code_input_fragment, new WatchCodeFragment(database, recentFCList), null)
+                    .replace(R.id.friend_code_input_fragment, new WatchCodeFragment(), null)
                     .setReorderingAllowed(true)
                     .commit();
             getSupportFragmentManager().beginTransaction()
-                    .replace(R.id.room_fragment, new RecentCodesFragment(database, recentFCList), null)
+                    .replace(R.id.room_fragment, new RecentCodesFragment(), null)
                     .setReorderingAllowed(true)
                     .commit();
         }

app/src/main/java/com/example/wiimmterfaceandroid/RecentCodesAdapter.java

@@ -4,12 +4,15 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.databinding.ObservableArrayList;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.example.wiimmterfaceandroid.model.FriendCode;
+import com.google.android.material.card.MaterialCardView;
+import com.google.android.material.textview.MaterialTextView;
 
 import java.util.List;
 
@@ -27,13 +30,13 @@ public class RecentCodesAdapter extends RecyclerView.Adapter<RecentCodesAdapter.
 
     @NonNull
     @Override
-    public RecentCodesAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
         View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.recent_friend_codes_item, parent, false);
-        return new RecentCodesAdapter.ViewHolder(view);
+        return new ViewHolder(view);
     }
 
     @Override
-    public void onBindViewHolder(@NonNull RecentCodesAdapter.ViewHolder holder, int position) {
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
         Button fcButton = holder.itemView.findViewById(R.id.recent_friend_code_button);
         FriendCode currentFC = entries.get(position);
         fcButton.setText(currentFC.friendCode);
@@ -47,6 +50,7 @@ public class RecentCodesAdapter extends RecyclerView.Adapter<RecentCodesAdapter.
     public int getItemCount() {
         return entries.size();
     }
+
     class ViewHolder extends RecyclerView.ViewHolder {
         public ViewHolder(@NonNull View itemView) {
             super(itemView);

app/src/main/java/com/example/wiimmterfaceandroid/RecentCodesFragment.java

@@ -29,7 +29,7 @@ import androidx.recyclerview.widget.RecyclerView;
 public class RecentCodesFragment extends Fragment {
 
     public RecentCodesFragment() {
-        super(R.layout.fragment_recent_friend_codes);
+
     }
     FriendCodeViewModel viewModel;
 

app/src/main/java/com/example/wiimmterfaceandroid/WatchCodeFragment.java

@@ -8,29 +8,90 @@ import android.widget.EditText;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.databinding.ObservableList;
 import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
-import com.example.wiimmterfaceandroid.database.AppDatabase;
 import com.example.wiimmterfaceandroid.model.FriendCode;
 import com.example.wiimmterfaceandroid.viewmodel.FriendCodeViewModel;
 import com.example.wiimmterfaceandroid.wiimmfi.WiimmfiActivity;
 import com.google.android.material.textview.MaterialTextView;
 
-import java.util.List;
-
 public class WatchCodeFragment extends Fragment {
-    List<FriendCode> recentFCList;
-    AppDatabase database;
 
-    public WatchCodeFragment(AppDatabase database, List<FriendCode> recentFCList) {
+    public WatchCodeFragment() {
         super(R.layout.friend_code_input_fragment);
-        this.database = database;
+    }
-        this.recentFCList = recentFCList;
+
+    public boolean isValidFriendCode(String friendCode) {
+        String[] friendCodeSplit = friendCode.split("-");
+        boolean valid = false;
+        if (friendCodeSplit.length == 3) {
+            for (String friendCodePart : friendCodeSplit) {
+                valid = friendCodePart.length() == 4;
+                if (!valid) {
+                    break;
+                }
+            }
+        }
+        return valid;
     }
 
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
+        FriendCodeViewModel viewModel = new ViewModelProvider(getActivity()).get(FriendCodeViewModel.class);
+
+        RecentCodesAdapter adapter = new RecentCodesAdapter(
+                viewModel.getEntries(),
+                (entry) -> {
+                    viewModel.setCurrentEntry(entry);
+                    Intent intent = new Intent(view.getContext(), WiimmfiActivity.class);
+                    intent.putExtra("friendCode", entry.friendCode);
+                    startActivity(intent);
+                }
+        );
+        viewModel.getEntries().addOnListChangedCallback(new ObservableList.OnListChangedCallback<ObservableList<FriendCode>>() {
+            @Override
+            public void onChanged(ObservableList<FriendCode> sender) {
+                getActivity().runOnUiThread(() -> {
+                    adapter.notifyDataSetChanged();
+                });
+            }
+
+            @Override
+            public void onItemRangeChanged(ObservableList<FriendCode> sender, int positionStart, int itemCount) {
+                getActivity().runOnUiThread(() -> {
+                    adapter.notifyItemRangeChanged(positionStart, itemCount);
+                });
+            }
+
+            @Override
+            public void onItemRangeInserted(ObservableList<FriendCode> sender, int positionStart, int itemCount) {
+                getActivity().runOnUiThread(() -> {
+                    adapter.notifyItemRangeInserted(positionStart, itemCount);
+                });
+            }
+
+            @Override
+            public void onItemRangeMoved(ObservableList<FriendCode> sender, int fromPosition, int toPosition, int itemCount) {
+                getActivity().runOnUiThread(() -> {
+                    adapter.notifyItemMoved(fromPosition, toPosition);
+                });
+            }
+
+            @Override
+            public void onItemRangeRemoved(ObservableList<FriendCode> sender, int positionStart, int itemCount) {
+                getActivity().runOnUiThread(() -> {
+                    adapter.notifyItemRangeRemoved(positionStart, itemCount);
+                });
+            }
+        });
+        RecyclerView recyclerView = view.findViewById(R.id.recent_friend_codes_recycler_view);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        recyclerView.setAdapter(adapter);
         Button watchButton = view.findViewById(R.id.watch_button);
         EditText friendCode = view.findViewById(R.id.friend_code_edit_text);
         MaterialTextView errorText = view.findViewById(R.id.error_text);
@@ -38,19 +99,21 @@ public class WatchCodeFragment extends Fragment {
             @Override
             public void onClick(View v) {
                 Intent intent = new Intent(view.getContext(), WiimmfiActivity.class);
-                FriendCodeViewModel friendCodeViewModel = new FriendCodeViewModel(friendCode.getText().toString());
+                if (!isValidFriendCode(friendCode.getText().toString())) {
-                if (friendCodeViewModel.getFullFriendCode() == null) {
                     errorText.setText("ERROR: Insert a friend code in the format XXXX-XXXX-XXXX");
                     friendCode.setText("");
                 } else {
                     errorText.setText("");
+                    viewModel.saveFriendCode("", friendCode.getText().toString());
 //                    FriendCodeObj friendCodeObj = new FriendCodeObj();
 //                    friendCodeObj.friendCode = friendCode.getText().toString();
 //                    database.getFriendCodeDao().insert(friendCodeObj);
-                    intent.putExtra("friendCode", friendCodeViewModel.getFullFriendCode());
+                    intent.putExtra("friendCode", friendCode.getText().toString());
                     startActivity(intent);
                 }
             }
         });
+
+
     }
 }

app/src/main/java/com/example/wiimmterfaceandroid/model/FriendCode.java

@@ -9,10 +9,13 @@ import java.io.Serializable;
 
 @Entity
 public class FriendCode implements Serializable {
+    @PrimaryKey (autoGenerate = true)
+    public long id;
+
     @ColumnInfo(name="name")
     public String name;
 
-    @PrimaryKey
+    @NonNull
     @ColumnInfo(name="friendCode")
     public String friendCode;
 

app/src/main/java/com/example/wiimmterfaceandroid/viewmodel/FriendCodeViewModel.java

@@ -25,7 +25,7 @@ public class FriendCodeViewModel extends AndroidViewModel {
         public FriendCodeViewModel(Application app) {
             super(app);
             saving.setValue(false);
-            db = Room.databaseBuilder(app, AppDatabase.class, "fc-database").build();
+            db = Room.databaseBuilder(app, AppDatabase.class, "friend-codes-db").build();
             new Thread(() -> {
                 try {
                     Thread.sleep(1000);
@@ -56,17 +56,12 @@ public class FriendCodeViewModel extends AndroidViewModel {
             saving.setValue(true);
             new Thread(() -> {
                 if (currentEntry.getValue() != null) {
-                    FriendCode current = currentEntry.getValue();
+
-                    current.name = name;
-                    current.friendCode = friendCode;
-                    db.getFriendCodeDao().update(current);
-                    int index = entries.indexOf(current);
-                    entries.set(index, current);
                 } else {
                     FriendCode newEntry = new FriendCode();
                     newEntry.name = name;
                     newEntry.friendCode = friendCode;
-                    entries.add(newEntry);
+                    db.getFriendCodeDao().insert(newEntry);
                 }
 
                 saving.postValue(false);

app/src/main/java/com/example/wiimmterfaceandroid/wiimmfi/RoomData.java

@@ -15,8 +15,8 @@ public class RoomData {
     ArrayList<Player> players = new ArrayList<>();
 
     public RoomData (ArrayList<Player> players, String playerLink, String friendCode) {
-        this.playerLink = getPlayerLink();
         this.friendCode = friendCode;
+        this.playerLink = getPlayerLink();
         Document doc = null;
 
         if (playerLink == null) {

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

@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/recent_friend_codes_layout"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <TextView
-        android:id="@+id/textView"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:padding="15dp"
-        android:text="Recently Watched Friend Codes:"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recent_friend_codes_recycler_view"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textView" />
-
-    <!--    <androidx.recyclerview.widget.RecyclerView-->
-    <!--        android:id="@+id/recent_friend_codes_recycler_view"-->
-    <!--        android:layout_width="match_parent"-->
-    <!--        android:layout_height="0dp"-->
-    <!--        app:layout_constraintBottom_toBottomOf="parent"-->
-    <!--        app:layout_constraintTop_toBottomOf="@+id/textView" />-->
-</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -44,4 +44,21 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/watch_button" />
 
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="Recently Watched Friend Codes:"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/error_text" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recent_friend_codes_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView3"
+        tools:layout_editor_absoluteX="15dp" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -9,10 +9,8 @@
         android:id="@+id/recent_friend_code_button"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_margin="15dp"
+        android:text="Button"
-        android:backgroundTint="#B3B3B3"
+        app:layout_constraintBottom_toBottomOf="parent"
-        android:text="0000-0000-0000"
-        android:textColor="#383838"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent" />
 </androidx.constraintlayout.widget.ConstraintLayout>