自定义EditTextPreference不显示EditText区域

public class CustomEditTextPreference extends EditTextPreference {

    public CustomEditTextPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected View onCreateView(ViewGroup parent) {
        View view = LayoutInflater.from(getContext()).inflate(R.layout.custom_edittext_preference, parent, false);
        return view;
    }
}

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 其他Preference项 -->
    
    <com.example.app.CustomEditTextPreference
        android:key="custom_edittext_preference"
        android:title="Custom EditText Preference"
        android:summary="This is a custom EditText preference" />
        
    <!-- 其他Preference项 -->
</PreferenceScreen>