Android: Add details view for cheats

The details view only contains the name of the cheat for now.

Source/Android/app/build.gradle

@@ -91,6 +91,7 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'androidx.lifecycle:lifecycle-viewmodel:2.3.1'
     implementation 'androidx.fragment:fragment:1.3.6'
+    implementation "androidx.slidingpanelayout:slidingpanelayout:1.2.0-alpha03"
     implementation 'com.google.android.material:material:1.4.0'
 
     // Android TV UI libraries.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/model/CheatsViewModel.java

@@ -2,12 +2,16 @@
 
 package org.dolphinemu.dolphinemu.features.cheats.model;
 
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
 public class CheatsViewModel extends ViewModel
 {
   private boolean mLoaded = false;
 
+  private final MutableLiveData<Cheat> mSelectedCheat = new MutableLiveData<>(null);
+
   private PatchCheat[] mPatchCheats;
   private ARCheat[] mARCheats;
   private GeckoCheat[] mGeckoCheats;
@@ -62,6 +66,16 @@ public class CheatsViewModel extends ViewModel
     }
   }
 
+  public LiveData<Cheat> getSelectedCheat()
+  {
+    return mSelectedCheat;
+  }
+
+  public void setSelectedCheat(Cheat cheat)
+  {
+    mSelectedCheat.setValue(cheat);
+  }
+
   public Cheat[] getPatchCheats()
   {
     return mPatchCheats;

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/ui/CheatDetailsFragment.java

@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.ui;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.ViewModelProvider;
+
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.features.cheats.model.Cheat;
+import org.dolphinemu.dolphinemu.features.cheats.model.CheatsViewModel;
+
+public class CheatDetailsFragment extends Fragment
+{
+  private View mRoot;
+  private EditText mEditName;
+
+  private CheatsViewModel mViewModel;
+  private Cheat mCheat;
+
+  @Nullable
+  @Override
+  public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
+          @Nullable Bundle savedInstanceState)
+  {
+    return inflater.inflate(R.layout.fragment_cheat_details, container, false);
+  }
+
+  @Override
+  public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState)
+  {
+    mRoot = view.findViewById(R.id.root);
+    mEditName = view.findViewById(R.id.edit_name);
+
+    CheatsActivity activity = (CheatsActivity) requireActivity();
+    mViewModel = new ViewModelProvider(activity).get(CheatsViewModel.class);
+
+    LiveData<Cheat> selectedCheat = mViewModel.getSelectedCheat();
+    selectedCheat.observe(getViewLifecycleOwner(), this::populateFields);
+    populateFields(selectedCheat.getValue());
+  }
+
+  private void populateFields(@Nullable Cheat cheat)
+  {
+    mRoot.setVisibility(cheat == null ? View.GONE : View.VISIBLE);
+
+    if (cheat != null && cheat != mCheat)
+    {
+      mEditName.setText(cheat.getName());
+    }
+
+    mCheat = cheat;
+  }
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/ui/CheatViewHolder.java

@@ -12,34 +12,46 @@ import androidx.recyclerview.widget.RecyclerView.ViewHolder;
 
 import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.features.cheats.model.Cheat;
+import org.dolphinemu.dolphinemu.features.cheats.model.CheatsViewModel;
 
-public class CheatViewHolder extends ViewHolder implements CompoundButton.OnCheckedChangeListener
+public class CheatViewHolder extends ViewHolder
+        implements View.OnClickListener, CompoundButton.OnCheckedChangeListener
 {
+  private final View mRoot;
   private final TextView mName;
   private final CheckBox mCheckbox;
 
+  private CheatsViewModel mViewModel;
   private Cheat mCheat;
 
   public CheatViewHolder(@NonNull View itemView)
   {
     super(itemView);
 
+    mRoot = itemView.findViewById(R.id.root);
     mName = itemView.findViewById(R.id.text_name);
     mCheckbox = itemView.findViewById(R.id.checkbox);
   }
 
-  public void bind(Cheat item)
+  public void bind(CheatsViewModel viewModel, Cheat item)
   {
     mCheckbox.setOnCheckedChangeListener(null);
 
     mName.setText(item.getName());
     mCheckbox.setChecked(item.getEnabled());
 
+    mViewModel = viewModel;
     mCheat = item;
 
+    mRoot.setOnClickListener(this);
     mCheckbox.setOnCheckedChangeListener(this);
   }
 
+  public void onClick(View root)
+  {
+    mViewModel.setSelectedCheat(mCheat);
+  }
+
   public void onCheckedChanged(CompoundButton buttonView, boolean isChecked)
   {
     mCheat.setEnabled(isChecked);

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/ui/CheatsAdapter.java

@@ -34,7 +34,7 @@ public class CheatsAdapter extends RecyclerView.Adapter<CheatViewHolder>
   @Override
   public void onBindViewHolder(@NonNull CheatViewHolder holder, int position)
   {
-    holder.bind(getItemAt(position));
+    holder.bind(mViewModel, getItemAt(position));
   }
 
   @Override

Source/Android/app/src/main/res/layout/activity_cheats.xml

@@ -1,7 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.fragment.app.FragmentContainerView
+<androidx.slidingpanelayout.widget.SlidingPaneLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/sliding_pane_layout"
     android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:layout_width="320dp"
         android:layout_height="match_parent"
+        android:layout_weight="1"
         android:id="@+id/cheat_list"
         android:name="org.dolphinemu.dolphinemu.features.cheats.ui.CheatListFragment" />
+
+    <androidx.fragment.app.FragmentContainerView
+        android:layout_width="320dp"
+        android:layout_height="match_parent"
+        android:layout_weight="1"
+        android:id="@+id/cheat_details"
+        android:name="org.dolphinemu.dolphinemu.features.cheats.ui.CheatDetailsFragment" />
+
+</androidx.slidingpanelayout.widget.SlidingPaneLayout>

Source/Android/app/src/main/res/layout/fragment_cheat_details.xml

@@ -0,0 +1,39 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/root"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/label_name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        style="@style/TextAppearance.AppCompat.Headline"
+        android:textSize="18sp"
+        android:text="@string/cheats_name"
+        android:layout_margin="@dimen/spacing_large"
+        android:labelFor="@id/edit_name"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/edit_name" />
+
+    <EditText
+        android:id="@+id/edit_name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:minHeight="48dp"
+        android:layout_marginHorizontal="@dimen/spacing_large"
+        android:importantForAutofill="no"
+        android:inputType="text"
+        android:enabled="false"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/label_name"
+        tools:text="Hyrule Field Speed Hack" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

Source/Android/app/src/main/res/layout/list_item_cheat.xml

@@ -3,6 +3,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/root"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:focusable="true">

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

@@ -389,6 +389,7 @@
     <!-- Cheats Screen -->
     <string name="cheats">Cheats</string>
     <string name="cheats_with_game_id">Cheats: %1$s</string>
+    <string name="cheats_name">Name</string>
 
     <!-- Convert Screen -->
     <string name="convert_format">Format</string>