[Catalog][TimePicker] listener is added again after rotating device

Resolves #4500 GIT_ORIGIN_REV_ID=f0420864a94a0c17ecbfb0cd0a594b24a0746015 PiperOrigin-RevId: 716250724

Author: manabu-nakamura

catalog/java/io/material/catalog/timepicker/TimePickerMainDemoFragment.java

@@ -23,6 +23,7 @@
 import static com.google.android.material.timepicker.TimeFormat.CLOCK_24H;
 
 import android.os.Bundle;
+import androidx.fragment.app.Fragment;
 import androidx.appcompat.widget.SwitchCompat;
 import android.text.format.DateFormat;
 import android.util.Log;
@@ -124,18 +125,28 @@ public View onCreateDemoView(
  }
 
  MaterialTimePicker materialTimePicker = materialTimePickerBuilder.build();
- materialTimePicker.show(requireFragmentManager(), "fragment_tag");
-
- materialTimePicker.addOnPositiveButtonClickListener(dialog -> {
- int newHour = materialTimePicker.getHour();
- int newMinute = materialTimePicker.getMinute();
- TimePickerMainDemoFragment.this.onTimeSet(newHour, newMinute);
- });
+ materialTimePicker.showNow(requireFragmentManager(), "fragment_tag");
+ setUpClickListener();
  });
 
+ setUpClickListener();
  return view;
  }
 
+ private void setUpClickListener() {
+ Fragment fragment = getParentFragmentManager().findFragmentByTag("fragment_tag");
+ if (fragment instanceof MaterialTimePicker) {
+ MaterialTimePicker materialTimePicker = (MaterialTimePicker) fragment;
+ materialTimePicker.clearOnPositiveButtonClickListeners();
+ materialTimePicker.addOnPositiveButtonClickListener(
+ dialog -> {
+ int newHour = materialTimePicker.getHour();
+ int newMinute = materialTimePicker.getMinute();
+ TimePickerMainDemoFragment.this.onTimeSet(newHour, newMinute);
+ });
+ }
+ }
+
  private void showFrameworkTimepicker() {
  android.app.TimePickerDialog timePickerDialog =
  new android.app.TimePickerDialog(