[MaterialTimePicker][a11y] Update accessibility className used for hour/minute Chips

PiperOrigin-RevId: 436207977
(cherry picked from commit a51d1dc)

Author: paulfthomas

lib/java/com/google/android/material/chip/Chip.java

@@ -162,6 +162,7 @@ public class Chip extends AppCompatCheckBox
   @Dimension(unit = Dimension.PX)
   private int minTouchTargetSize;
 
+  @Nullable private CharSequence accessibilityClassName;
   private static final String BUTTON_ACCESSIBILITY_CLASS_NAME = "android.widget.Button";
   private static final String COMPOUND_BUTTON_ACCESSIBILITY_CLASS_NAME =
       "android.widget.CompoundButton";
@@ -1112,7 +1113,7 @@ public void setChipMinHeightResource(@DimenRes int id) {
   /**
    * Sets this chip's minimum height.
    *
-   * @param minHeight This chip's mininum height.
+   * @param minHeight This chip's minimum height.
    * @attr ref com.google.android.material.R.styleable#Chip_chipMinHeight
    */
   public void setChipMinHeight(float minHeight) {
@@ -2304,10 +2305,21 @@ public boolean ensureAccessibleTouchTarget(@Dimension int minTargetPx) {
     return true;
   }
 
+  /**
+   * Sets this chip's accessibility class name.
+   *
+   * @param className This chip's accessibility class name.
+   */
+  public void setAccessibilityClassName(@Nullable CharSequence className) {
+    accessibilityClassName = className;
+  }
+
   @Override
   @NonNull
   public CharSequence getAccessibilityClassName() {
-    if (isCheckable()) {
+    if (!TextUtils.isEmpty(accessibilityClassName)) {
+      return accessibilityClassName;
+    } else if (isCheckable()) {
       ViewParent parent = getParent();
       if (parent instanceof ChipGroup && ((ChipGroup) parent).isSingleSelection()) {
         return RADIO_BUTTON_ACCESSIBILITY_CLASS_NAME;

lib/java/com/google/android/material/timepicker/ChipTextInputComboView.java

@@ -18,6 +18,8 @@
 
 import com.google.android.material.R;
 
+import static com.google.android.material.timepicker.TimePickerView.GENERIC_VIEW_ACCESSIBILITY_CLASS_NAME;
+
 import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Build.VERSION;
@@ -68,6 +70,7 @@ public ChipTextInputComboView(
     super(context, attrs, defStyleAttr);
     LayoutInflater inflater = LayoutInflater.from(context);
     chip = (Chip) inflater.inflate(R.layout.material_time_chip, this, false);
+    chip.setAccessibilityClassName(GENERIC_VIEW_ACCESSIBILITY_CLASS_NAME);
     textInputLayout = (TextInputLayout) inflater.inflate(R.layout.material_time_input, this, false);
     editText = textInputLayout.getEditText();
     editText.setVisibility(INVISIBLE);

lib/java/com/google/android/material/timepicker/TimePickerView.java

@@ -67,6 +67,8 @@ interface OnDoubleTapListener {
     void onDoubleTap();
   }
 
+  static final String GENERIC_VIEW_ACCESSIBILITY_CLASS_NAME = "android.view.View";
+
   private final Chip minuteView;
   private final Chip hourView;
 
@@ -169,6 +171,9 @@ private void setUpDisplay() {
 
     minuteView.setOnClickListener(selectionListener);
     hourView.setOnClickListener(selectionListener);
+
+    minuteView.setAccessibilityClassName(GENERIC_VIEW_ACCESSIBILITY_CLASS_NAME);
+    hourView.setAccessibilityClassName(GENERIC_VIEW_ACCESSIBILITY_CLASS_NAME);
   }
 
   @Override