User can now click on hobbies to enter a details screen

app/src/main/AndroidManifest.xml

@@ -18,7 +18,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.IceBreaker">
-        <activity android:name=".HobbyDetails"></activity>
+        <activity android:name=".HobbyDetailsActivity"></activity>
         <activity
             android:name=".UserPairingActivity"
             android:theme="@style/Theme.AppCompat.DayNight.NoActionBar" />

app/src/main/java/com/fbu/icebreaker/HobbyDetailsActivity.java

@@ -0,0 +1,67 @@
+package com.fbu.icebreaker;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.viewpager.widget.ViewPager;
+
+import android.media.Image;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.bumptech.glide.Glide;
+import com.fbu.icebreaker.subclasses.Hobby;
+import com.parse.ParseException;
+import com.parse.ParseUser;
+import com.parse.SaveCallback;
+
+import java.util.List;
+
+public class HobbyDetailsActivity extends AppCompatActivity {
+
+    private static final String TAG = "HobbyDetailsActivity";
+
+    private Hobby hobby;
+
+    private ImageView ivHobbyImage;
+
+    private TextView tvHobbyName;
+    private TextView tvHobbyDescription;
+
+    private Button btnAddHobby;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_hobby_details);
+
+        ivHobbyImage = findViewById(R.id.ivHobbyImage);
+        tvHobbyName = findViewById(R.id.tvHobbyName);
+        tvHobbyDescription = findViewById(R.id.tvHobbyDescription);
+        btnAddHobby = findViewById(R.id.btnAddHobby);
+
+        hobby = getIntent().getParcelableExtra("hobby");
+
+        Glide.with(this)
+                .load(hobby.getImage())
+                .into(ivHobbyImage);
+
+        tvHobbyName.setText(hobby.getName());
+
+        tvHobbyDescription.setText(hobby.getDescription());
+
+        btnAddHobby.setOnClickListener(v -> {
+            hobby.getRelation("usersWithHobby").add(ParseUser.getCurrentUser());
+            hobby.saveInBackground(e -> {
+                if (e != null) {
+                    Log.e(TAG, "Error while saving hobby.", e);
+                    Toast.makeText(HobbyDetailsActivity.this, R.string.saving_error, Toast.LENGTH_SHORT).show();
+                }
+                Log.i(TAG, "Hobby save successful");
+            });
+        });
+    }
+}

app/src/main/java/com/fbu/icebreaker/adapters/HobbiesAdapter.java

@@ -4,10 +4,12 @@
 import android.graphics.Color;
 import android.text.TextUtils;
 import android.util.Log;
+import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
@@ -35,7 +37,7 @@ public class HobbiesAdapter extends RecyclerView.Adapter<HobbiesAdapter.ViewHold
     private final List<Hobby> hobbies;
 
     public interface OnClickListener {
-        void onRemoveClicked(int position);
+        void onHobbyClicked(int position);
     }
 
     public HobbiesAdapter(Context context, List<Hobby> hobbies, OnClickListener clickListener) {
@@ -62,26 +64,30 @@ public int getItemCount() {
         return hobbies.size();
     }
 
-    class ViewHolder extends RecyclerView.ViewHolder {
+    class ViewHolder extends RecyclerView.ViewHolder  implements View.OnCreateContextMenuListener {
 
         private final TextView tvHobbyName;
         private final TextView tvDescription;
 
-        private final ImageView ivRemove;
         private final ImageView ivHobbyImage;
 
         private final TagView tvTags;
 
+        private final RelativeLayout rlHobby;
+
         public ViewHolder(@NonNull View itemView) {
             super(itemView);
 
             tvHobbyName = itemView.findViewById(R.id.tvHobbyName);
             tvDescription = itemView.findViewById(R.id.tvDescription);
 
-            ivRemove = itemView.findViewById(R.id.ivRemove);
             ivHobbyImage = itemView.findViewById(R.id.ivHobbyImage);
 
             tvTags = itemView.findViewById(R.id.tvTag);
+
+            rlHobby = itemView.findViewById(R.id.rlHobby);
+
+            rlHobby.setOnCreateContextMenuListener(this);
         }
 
         public void bind(Hobby hobby) {
@@ -107,7 +113,14 @@ public void bind(Hobby hobby) {
                     .transform(new RoundedCornersTransformation(radius, margin))
                     .into(ivHobbyImage);
 
-            ivRemove.setOnClickListener(v -> clickListener.onRemoveClicked(getAdapterPosition()));
+            rlHobby.setOnClickListener(v -> clickListener.onHobbyClicked(getAdapterPosition()));
+        }
+
+        @Override
+        public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
+            menu.add(this.getAdapterPosition(), 121, 0, "Delete this item");
         }
     }
+
+
 }

app/src/main/java/com/fbu/icebreaker/adapters/HobbyPairingAdapter.java

@@ -1,6 +1,7 @@
 package com.fbu.icebreaker.adapters;
 
 import android.content.Context;
+import android.content.Intent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -11,6 +12,7 @@
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.fbu.icebreaker.HobbyDetailsActivity;
 import com.fbu.icebreaker.R;
 import com.fbu.icebreaker.subclasses.PairingsByTag;
 
@@ -64,7 +66,17 @@ public ViewHolder(@NonNull View itemView) {
         public void bind(PairingsByTag pairingsByTag) {
 
             tvPairTag.setText(pairingsByTag.getPairedTag());
-            adapter = new PairedIndividualHobbiesByTagAdapter(context, pairingsByTag.getPairedHobbies());
+
+            PairedIndividualHobbiesByTagAdapter.OnClickListener clickListener = new PairedIndividualHobbiesByTagAdapter.OnClickListener() {
+                @Override
+                public void onHobbyClicked(int position) {
+                    Intent i = new Intent(context, HobbyDetailsActivity.class);
+                    i.putExtra("hobby", pairingsByTag.getPairedHobbies().get(position));
+                    context.startActivity(i);
+                }
+            };
+
+            adapter = new PairedIndividualHobbiesByTagAdapter(context, pairingsByTag.getPairedHobbies(), clickListener);
 
             RecyclerView.OnItemTouchListener mScrollTouchListener = new RecyclerView.OnItemTouchListener() {
                 @Override

app/src/main/java/com/fbu/icebreaker/adapters/PairedIndividualHobbiesByTagAdapter.java

@@ -20,13 +20,20 @@
 
 public class PairedIndividualHobbiesByTagAdapter extends RecyclerView.Adapter<PairedIndividualHobbiesByTagAdapter.ViewHolder> {
 
-    List<Hobby> pairedHobbies;
+    private final List<Hobby> pairedHobbies;
 
-    Context context;
+    private final Context context;
 
-    public PairedIndividualHobbiesByTagAdapter(Context context, List<Hobby> pairedHobbies) {
+    private final OnClickListener clickListener;
+
+    public interface OnClickListener {
+        void onHobbyClicked(int position);
+    }
+
+    public PairedIndividualHobbiesByTagAdapter(Context context, List<Hobby> pairedHobbies, OnClickListener clickListener) {
         this.context = context;
         this.pairedHobbies = pairedHobbies;
+        this.clickListener = clickListener;
     }
 
     @NonNull
@@ -61,6 +68,11 @@ public void bind(Hobby hobby) {
             Random rnd = new Random();
             tvHobbyName.setText(hobby.getName());
             tvHobbyName.getBackground().setTint(Color.argb(255, rnd.nextInt(250), rnd.nextInt(250), rnd.nextInt(250)));
+
+            tvHobbyName.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) { clickListener.onHobbyClicked(getAdapterPosition()); }
+            });
         }
     }
 }

app/src/main/java/com/fbu/icebreaker/fragments/HobbiesFragment.java

@@ -2,9 +2,11 @@
 
 import android.app.AlertDialog;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Toast;
@@ -18,13 +20,16 @@
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
+import com.fbu.icebreaker.HobbyDetailsActivity;
 import com.fbu.icebreaker.R;
 import com.fbu.icebreaker.adapters.HobbiesAdapter;
 import com.fbu.icebreaker.subclasses.Hobby;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.parse.ParseQuery;
 import com.parse.ParseUser;
 
+import org.jetbrains.annotations.NotNull;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
@@ -60,40 +65,18 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceStat
         final RecyclerView rvHobbies = view.findViewById(R.id.rvHobbies);
         final FloatingActionButton btnAddHobby = view.findViewById(R.id.btnAddHobby);
 
-        HobbiesAdapter.OnClickListener onClickListener = position -> {
-            Log.i(TAG, "Click at post position: " + position);
-
-            DialogInterface.OnClickListener dialogClickListener = (dialog, which) -> {
-                switch (which) {
-                    case DialogInterface.BUTTON_POSITIVE:
-
-                        allHobbies.get(position).getRelation("usersWithHobby").remove(ParseUser.getCurrentUser());
-                        allHobbies.get(position).saveInBackground(e -> {
-                            if (e != null) {
-                                Log.e(TAG, "Error while removing hobby", e);
-                                Toast.makeText(getContext(), getString(R.string.removing_hobby_error), Toast.LENGTH_SHORT).show();
-                            }
-                            Log.i(TAG, "Hobby removal successful");
-                        });
-
-                        queryHobbiesUpdate();
-                        break;
-                    case DialogInterface.BUTTON_NEGATIVE:
-                        // do nothing
-                        break;
-                }
-            };
-
-            AlertDialog.Builder ab = new AlertDialog.Builder(getContext());
-            ab.setMessage(getString(R.string.remove_hobby_question))
-                    .setPositiveButton(R.string.remove, dialogClickListener)
-                    .setNegativeButton(R.string.Cancel, dialogClickListener)
-                    .show();
+        HobbiesAdapter.OnClickListener clickListener = new HobbiesAdapter.OnClickListener() {
+            @Override
+            public void onHobbyClicked(int position) {
+                Intent i = new Intent(getContext(), HobbyDetailsActivity.class);
+                i.putExtra("hobby", allHobbies.get(position));
+                startActivity(i);
+            }
         };
 
         // Initialize the array
         allHobbies = new ArrayList<>();
-        adapter = new HobbiesAdapter(getContext(), allHobbies, onClickListener);
+        adapter = new HobbiesAdapter(getContext(), allHobbies, clickListener);
 
         // Lookup the swipe container view
         swipeContainer = (SwipeRefreshLayout) view.findViewById(R.id.swipeContainer);
@@ -172,4 +155,22 @@ private void queryHobbiesUpdate() {
             adapter.notifyDataSetChanged();
         });
     }
+
+    @Override
+    public boolean onContextItemSelected(@NonNull @NotNull MenuItem item) {
+
+        if (item.getItemId() == 121) {
+            allHobbies.get(item.getGroupId()).getRelation("usersWithHobby").remove(ParseUser.getCurrentUser());
+            allHobbies.get(item.getGroupId()).saveInBackground(e -> {
+                if (e != null) {
+                    Log.e(TAG, "Error while removing hobby", e);
+                    Toast.makeText(getContext(), getString(R.string.removing_hobby_error), Toast.LENGTH_SHORT).show();
+                }
+                Log.i(TAG, "Hobby removal successful");
+                queryHobbiesUpdate();
+            });
+
+        }
+        return super.onContextItemSelected(item);
+    }
 }

app/src/main/java/com/fbu/icebreaker/fragments/PairedProfileFragment.java

@@ -1,7 +1,10 @@
 package com.fbu.icebreaker.fragments;
 
+import android.content.Intent;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
@@ -15,6 +18,7 @@
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.bumptech.glide.Glide;
+import com.fbu.icebreaker.HobbyDetailsActivity;
 import com.fbu.icebreaker.R;
 import com.fbu.icebreaker.adapters.HobbiesAdapter;
 import com.fbu.icebreaker.subclasses.Hobby;
@@ -82,9 +86,18 @@ public void onViewCreated(@NonNull @NotNull View view, @Nullable @org.jetbrains.
         userHobbies = getArguments().getParcelableArrayList("userHobbies");
         qrHobbies = getArguments().getParcelableArrayList("qrHobbies");
 
-        HobbiesAdapter.OnClickListener onClickListener = position -> Toast.makeText(getContext(), R.string.sorry_delete_hobby_screen, Toast.LENGTH_SHORT).show();
+        allHobbies.addAll(hobbyMethods.getEqualHobbies(qrHobbies, userHobbies));
+
+        HobbiesAdapter.OnClickListener clickListener = new HobbiesAdapter.OnClickListener() {
+            @Override
+            public void onHobbyClicked(int position) {
+                Intent i = new Intent(getContext(), HobbyDetailsActivity.class);
+                i.putExtra("hobby", allHobbies.get(position));
+                startActivity(i);
+            }
+        };
 
-        adapter = new HobbiesAdapter(getContext(), allHobbies, onClickListener);
+        adapter = new HobbiesAdapter(getContext(), allHobbies, clickListener);
         rvPairedHobbies.setAdapter(adapter);
         LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext());
         rvPairedHobbies.setLayoutManager(linearLayoutManager);
@@ -101,8 +114,16 @@ public void onViewCreated(@NonNull @NotNull View view, @Nullable @org.jetbrains.
                 .load(Objects.requireNonNull(user.getParseFile("profilePicture")).getUrl())
                 .into(ivProfilePicture);
 
-        allHobbies.addAll(hobbyMethods.getEqualHobbies(qrHobbies, userHobbies));
 
         adapter.notifyDataSetChanged();
     }
+
+    @Override
+    public boolean onContextItemSelected(@NonNull @NotNull MenuItem item) {
+
+        if (item.getItemId() == 121) {
+            Toast.makeText(getContext(), R.string.removing_hobby_error, Toast.LENGTH_SHORT).show();
+        }
+        return super.onContextItemSelected(item);
+    }
 }