Only create shortcut preference when no existing shortcut found

Update onCreateView in AccessibilityShortcutPreferenceFragmen
so it only create a new shortcutPreference when no existing
shortcut preference is found.

Bug: 397719419
Test: Manually verified on test devices
Flag: com.android.server.accessibility.enable_autoclick_indicator
Change-Id: Ic4747240cfd3d48fd97c61fd0b15d44f6ba5cf0a

res/xml/accessibility_autoclick_settings.xml

@@ -22,23 +22,26 @@
     <com.android.settingslib.widget.TopIntroPreference
         android:key="accessibility_autoclick_intro"
         android:title="@string/accessibility_autoclick_intro_text"
-        settings:searchable="false"
-        android:order="10"/>
+        settings:searchable="false"/>
 
     <com.android.settingslib.widget.IllustrationPreference
         android:key="accessibility_autoclick_banner"
         android:selectable="false"
         settings:searchable="false"
-        settings:lottie_rawRes="@drawable/accessibility_dwell"
-        android:order="20"/>
+        settings:lottie_rawRes="@drawable/accessibility_dwell"/>
+
+    <com.android.settings.accessibility.ShortcutPreference
+        android:key="autoclick_shortcut_preference"
+        android:title="@string/accessibility_autoclick_shortcut_title"
+        android:persistent="false"
+        settings:searchable="false"/>
 
     <!-- Items in a list should not be searchable. -->
     <com.android.settingslib.widget.SelectorWithWidgetPreference
         android:key="accessibility_control_autoclick_default"
         android:title="@string/accessibility_autoclick_default_title"
         settings:searchable="false"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"
-        android:order="30"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"/>
 
     <!-- Items in a list should not be searchable. -->
     <com.android.settingslib.widget.SelectorWithWidgetPreference
@@ -46,8 +49,7 @@
         android:title="@string/accessibility_autoclick_short_title"
         android:summary="@string/accessibility_autoclick_short_summary"
         settings:searchable="false"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"
-        android:order="31"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"/>
 
     <!-- Items in a list should not be searchable. -->
     <com.android.settingslib.widget.SelectorWithWidgetPreference
@@ -55,8 +57,7 @@
         android:title="@string/accessibility_autoclick_medium_title"
         android:summary="@string/accessibility_autoclick_medium_summary"
         settings:searchable="false"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"
-        android:order="32"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"/>
 
     <!-- Items in a list should not be searchable. -->
     <com.android.settingslib.widget.SelectorWithWidgetPreference
@@ -64,16 +65,14 @@
         android:title="@string/accessibility_autoclick_long_title"
         android:summary="@string/accessibility_autoclick_long_summary"
         settings:searchable="false"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"
-        android:order="33"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"/>
 
     <!-- Items in a list should not be searchable. -->
     <com.android.settingslib.widget.SelectorWithWidgetPreference
         android:key="accessibility_control_autoclick_custom"
         android:title="@string/accessibility_autoclick_custom_title"
         settings:searchable="false"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"
-        android:order="34"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickPreferenceController"/>
 
     <com.android.settingslib.widget.LayoutPreference
         android:key="autoclick_custom_seekbar"
@@ -81,28 +80,24 @@
         android:selectable="false"
         android:visibility="gone"
         settings:searchable="false"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickCustomSeekbarController"
-        android:order="40"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickCustomSeekbarController"/>
 
     <Preference
         android:key="accessibility_control_autoclick_cursor_area_size"
         android:persistent="false"
         settings:searchable="false"
         android:title="@string/autoclick_cursor_area_size_title"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickCursorAreaSizeController"
-        android:order="50"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickCursorAreaSizeController"/>
 
     <SwitchPreferenceCompat
         android:key="accessibility_control_autoclick_ignore_minor_cursor_movement"
         android:title="@string/autoclick_ignore_minor_cursor_movement_title"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickIgnoreMinorCursorMovementController"
-        android:order="60"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickIgnoreMinorCursorMovementController"/>
 
     <com.android.settings.accessibility.AccessibilityFooterPreference
         android:key="accessibility_autoclick_footer"
         android:title="@string/accessibility_autoclick_description"
         android:selectable="false"
         settings:searchable="false"
-        settings:controller="com.android.settings.accessibility.ToggleAutoclickFooterPreferenceController"
-        android:order="70"/>
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickFooterPreferenceController"/>
 </PreferenceScreen>

src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java

@@ -104,14 +104,17 @@ public abstract class AccessibilityShortcutPreferenceFragment extends Restricted
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
+        mShortcutPreference =
+                getPreferenceScreen().findPreference(getShortcutPreferenceKey());
+        if (mShortcutPreference == null) {
             mShortcutPreference = new ShortcutPreference(getPrefContext(), /* attrs= */ null);
             mShortcutPreference.setPersistent(false);
             mShortcutPreference.setKey(getShortcutPreferenceKey());
+            getPreferenceScreen().addPreference(mShortcutPreference);
+        }
+
         mShortcutPreference.setOnClickCallback(this);
         mShortcutPreference.setTitle(getShortcutTitle());
-
-        getPreferenceScreen().addPreference(mShortcutPreference);
-
         mTouchExplorationStateChangeListener = isTouchExplorationEnabled -> {
             mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));
         };

src/com/android/settings/accessibility/ShortcutPreference.java

@@ -24,6 +24,8 @@ import android.view.View;
 import android.widget.CompoundButton;
 import android.widget.LinearLayout;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.preference.PreferenceViewHolder;
 
 import com.android.settings.R;
@@ -60,7 +62,7 @@ public class ShortcutPreference extends TwoTargetPreference {
     private boolean mChecked = false;
     private boolean mSettingsEditable = true;
 
-    ShortcutPreference(Context context, AttributeSet attrs) {
+    public ShortcutPreference(@NonNull Context context, @Nullable AttributeSet attrs) {
         super(context, attrs);
         setIconSpaceReserved(false);
         // Treat onSettingsClicked as this preference's click.

src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java

@@ -29,7 +29,6 @@ import com.android.server.accessibility.Flags;
 import com.android.settings.R;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.search.SearchIndexable;
-import com.android.settingslib.widget.SelectorWithWidgetPreference;
 
 /**
  * Fragment for preference screen for settings related to Automatically click after mouse stops
@@ -41,7 +40,6 @@ public class ToggleAutoclickPreferenceFragment
 
     private static final String TAG = "AutoclickPrefFragment";
 
-    static final String KEY_CONTROL_DEFAULT = "accessibility_control_autoclick_default";
     static final String KEY_AUTOCLICK_SHORTCUT_PREFERENCE = "autoclick_shortcut_preference";
 
     /**
@@ -100,10 +98,7 @@ public class ToggleAutoclickPreferenceFragment
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
         View view = super.onCreateView(inflater, container, savedInstanceState);
-        if (Flags.enableAutoclickIndicator()) {
-            SelectorWithWidgetPreference optionDefault = findPreference(KEY_CONTROL_DEFAULT);
-            mShortcutPreference.setOrder(optionDefault.getOrder() - 1);
-        } else {
+        if (!Flags.enableAutoclickIndicator()) {
             getPreferenceScreen().removePreference(mShortcutPreference);
         }
         return view;