Material Ui Test

src/pandroid/app/src/main/java/com/panda3ds/pandroid/view/preferences/SingleSelectionPreferences.java

@@ -14,20 +14,27 @@
 import androidx.core.content.ContextCompat;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceViewHolder;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.panda3ds.pandroid.R;
 import com.panda3ds.pandroid.utils.Constants;
 
 public class SingleSelectionPreferences extends PreferenceCategory implements Preference.OnPreferenceClickListener {
     private final Drawable transparent = new ColorDrawable(Color.TRANSPARENT);
     private final Drawable doneDrawable = ContextCompat.getDrawable(getContext(), R.drawable.ic_done);
 
+    private CharSequence[] titles;
+    private CharSequence[] entryValues;
+
     public SingleSelectionPreferences(@NonNull Context context) {
         super(context);
+        init();
     }
 
     public SingleSelectionPreferences(@NonNull Context context, @Nullable AttributeSet attrs) {
         super(context, attrs);
+        init();
     }
 
     public SingleSelectionPreferences(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
@@ -38,11 +45,14 @@ public SingleSelectionPreferences(@NonNull Context context, @Nullable AttributeS
         super(context, attrs, defStyleAttr, defStyleRes);
     }
 
-    {
+    private void init() {
         try {
+            titles = getTitles();
+            entryValues = getEntryValues();
             TypedArray color = getContext().obtainStyledAttributes(new int[]{
                     android.R.attr.textColorSecondary
             });
+            doneDrawable = ContextCompat.getDrawable(getContext(), R.drawable.ic_done);
             doneDrawable.setTint(color.getColor(0, Color.RED));
             color.recycle();
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
@@ -53,11 +63,24 @@ public SingleSelectionPreferences(@NonNull Context context, @Nullable AttributeS
         }
     }
 
+    @Override
+    public void onBindViewHolder(@NonNull PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+
+        // Set summary based on selected title
+        if (titles != null && entryValues != null) {
+            CharSequence selectedTitle = getTitle();
+            if (selectedTitle != null) {
+                setSummary(selectedTitle);
+            }
+        }
+    }
+
     @Override
     public void onAttached() {
         super.onAttached();
 
-        for (int i = 0; i < getPreferenceCount();i++) {
+        for (int i = 0; i < getPreferenceCount(); i++) {
             getPreference(i).setOnPreferenceClickListener(this);
         }
     }
@@ -68,19 +91,65 @@ public void setSelectedItem(int index) {
 
     @Override
     public boolean onPreferenceClick(@NonNull Preference preference) {
-        int index = 0;
+        int index = findPreferenceIndex(preference);
+
+        if (index != -1) {
+            showMaterialDialog(index);
+        }
+
+        return true;
+    }
+
+    private int findPreferenceIndex(@NonNull Preference preference) {
+        for (int i = 0; i < getPreferenceCount(); i++) {
+            if (getPreference(i) == preference) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    private void showMaterialDialog(final int selectedIndex) {
+        final CharSequence[] titlesArray = new CharSequence[getPreferenceCount()];
+        for (int i = 0; i < getPreferenceCount(); i++) {
+            titlesArray[i] = getPreference(i).getTitle();
+        }
+
+        new MaterialAlertDialogBuilder(getContext())
+                .setTitle(getTitle())
+                .setSingleChoiceItems(titles, selectedIndex, (dialog, which) -> {
+                    updateSelectedPreference(which);
+                    dialog.dismiss();
+                })
+                .show();
+    }
 
+    private void updateSelectedPreference(int selectedIndex) {
         for (int i = 0; i < getPreferenceCount(); i++) {
             Preference item = getPreference(i);
-            if (item == preference) {
-                index = i;
-                item.setIcon(R.drawable.ic_done);
+            if (i == selectedIndex) {
+                item.setIcon(doneDrawable);
             } else {
                 item.setIcon(transparent);
             }
         }
 
-        callChangeListener(index);
-        return false;
+        callChangeListener(selectedIndex);
+    }
+
+    private CharSequence[] getTitles() {
+        CharSequence[] titles = new CharSequence[getPreferenceCount()];
+        for (int i = 0; i < getPreferenceCount(); i++) {
+            titles[i] = getPreference(i).getTitle();
+        }
+        return titles;
+    }
+
+    private CharSequence[] getEntryValues() {
+        CharSequence[] values = new CharSequence[getPreferenceCount()];
+        for (int i = 0; i < getPreferenceCount(); i++) {
+            values[i] = getPreference(i).getKey();
+        }
+        return values;
     }
 }

src/pandroid/app/src/main/res/values/array.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+<string-array name="themes">
+<item>Use System Default</item>
+<item>Light</item>
+<item>Dark</item>
+<item>Black</item>
+</string-array>
+<integer-array name="themes_val">
+<item>1</item>
+<item>2</item>
+<item>3</item>
+<item>4</item>
+</integer-array>
+</resources>

src/pandroid/app/src/main/res/xml/appearance_preference.xml

@@ -1,14 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+<PreferenceScreen 
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:android="http://schemas.android.com/apk/res/android">
     <com.panda3ds.pandroid.view.preferences.SingleSelectionPreferences
         app:key="theme"
         app:title="@string/theme"
-        app:iconSpaceReserved="false">
-
-        <Preference app:title="@string/theme_device"/>
-        <Preference app:title="@string/light"/>
-        <Preference app:title="@string/dark"/>
-        <Preference app:title="@string/black"/>
-
+        android:entries="@array/themes"
+        android:entryValues="@array/themes_val"
+        app:useSimpleSummaryProvider="true">
     </com.panda3ds.pandroid.view.preferences.SingleSelectionPreferences>
-</PreferenceScreen>
+</PreferenceScreen>