[AutoComplete] Enabled switch access in MaterialAutoCompleteTextView.

PiperOrigin-RevId: 587556416

Author: Material Design Team

lib/java/com/google/android/material/textfield/DropdownMenuEndIconDelegate.java

@@ -240,7 +240,8 @@ public void onPopulateAccessibilityEvent(View host, @NonNull AccessibilityEvent
     // TODO(b/256138189): Find better workaround, back gesture should call
     // AutoCompleteTextView.OnDismissListener.
     boolean invalidState =
-        event.getEventType() == AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED
+        (event.getEventType() == AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED
+                || event.getEventType() == AccessibilityEventCompat.CONTENT_CHANGE_TYPE_PANE_TITLE)
             && isEndIconChecked
             && !autoCompleteTextView.isPopupShowing();
     // If dropdown is non editable, layout click is what triggers showing/hiding the popup

lib/java/com/google/android/material/textfield/MaterialAutoCompleteTextView.java

@@ -20,6 +20,7 @@
 
 import static com.google.android.material.theme.overlay.MaterialThemeOverlay.wrap;
 
+import android.accessibilityservice.AccessibilityServiceInfo;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
@@ -35,6 +36,7 @@
 import android.text.InputType;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.View.MeasureSpec;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
 import android.view.ViewParent;
@@ -58,6 +60,7 @@
 import com.google.android.material.internal.ThemeEnforcement;
 import com.google.android.material.resources.MaterialResources;
 import com.google.android.material.shape.MaterialShapeDrawable;
+import java.util.List;
 
 /**
  * A special sub-class of {@link android.widget.AutoCompleteTextView} that is auto-inflated so that
@@ -73,6 +76,7 @@
 public class MaterialAutoCompleteTextView extends AppCompatAutoCompleteTextView {
 
   private static final int MAX_ITEMS_MEASURED = 15;
+  private static final String SWITCH_ACCESS_ACTIVITY_NAME = "SwitchAccess";
 
   @NonNull private final ListPopupWindow modalListPopup;
   @Nullable private final AccessibilityManager accessibilityManager;
@@ -185,7 +189,7 @@ public void onItemClick(AdapterView<?> parent, View selectedView, int position,
 
   @Override
   public void showDropDown() {
-    if (isTouchExplorationEnabled()) {
+    if (isPopupRequired()) {
       modalListPopup.show();
     } else {
       super.showDropDown();
@@ -194,7 +198,7 @@ public void showDropDown() {
 
   @Override
   public void dismissDropDown() {
-    if (isTouchExplorationEnabled()) {
+    if (isPopupRequired()) {
       modalListPopup.dismiss();
     } else {
       super.dismissDropDown();
@@ -203,18 +207,40 @@ public void dismissDropDown() {
 
   @Override
   public void onWindowFocusChanged(boolean hasWindowFocus) {
-    if (isTouchExplorationEnabled()) {
-      // Do not dismissDropDown if touch exploration is enabled, in case the window lost focus
-      // in favor of the modalListPopup.
+    if (isPopupRequired()) {
+      // Do not dismissDropDown if touch exploration or switch access is enabled, in case the window
+      // lost focus in favor of the modalListPopup.
       return;
     }
     super.onWindowFocusChanged(hasWindowFocus);
   }
 
+  private boolean isPopupRequired() {
+    return isTouchExplorationEnabled() || isSwitchAccessEnabled();
+  }
+
   private boolean isTouchExplorationEnabled() {
     return accessibilityManager != null && accessibilityManager.isTouchExplorationEnabled();
   }
 
+  private boolean isSwitchAccessEnabled() {
+    if (accessibilityManager == null || !accessibilityManager.isEnabled()) {
+      return false;
+    }
+    List<AccessibilityServiceInfo> accessibilityServiceInfos =
+        accessibilityManager.getEnabledAccessibilityServiceList(
+            AccessibilityServiceInfo.FEEDBACK_GENERIC);
+    if (accessibilityServiceInfos != null) {
+      for (AccessibilityServiceInfo info : accessibilityServiceInfos) {
+        if (info.getSettingsActivityName() != null
+            && info.getSettingsActivityName().contains(SWITCH_ACCESS_ACTIVITY_NAME)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
   @Override
   public <T extends ListAdapter & Filterable> void setAdapter(@Nullable T adapter) {
     super.setAdapter(adapter);