import jp.wasabeef.recyclerview.animators.FadeInUpAnimator; //导入依赖的package包/类
private void initRecyclerView() {
    mRecyclerview.setLayoutManager(new LinearLayoutManager(this));
    mRecyclerview.setHasFixedSize(true);
    mRecyclerview.setItemAnimator(new FadeInUpAnimator());
    mAdapter = new CityAdapter(this, dataList);
    mRecyclerview.setAdapter(mAdapter);

    mAdapter.setOnItemClickListener((view, pos) -> {
        if (currentLevel == LEVEL_PROVINCE) {
            selectedProvince = provincesList.get(pos);
            mRecyclerview.smoothScrollToPosition(0);
            queryCities();
        } else if (currentLevel == LEVEL_CITY) {
            String city = Util.replaceCity(cityList.get(pos).CityName);
            if (isChecked) {
                OrmLite.getInstance().save(new CityORM(city));
                RxBus.getDefault().post(new MultiUpdate());
                PLog.d("是多城市管理模式");
            } else {
                mSharedPreferenceUtil.setCityName(city);
                RxBus.getDefault().post(new ChangeCityEvent());
            }
            finish();
        }
    });
}
 

import jp.wasabeef.recyclerview.animators.FadeInUpAnimator; //导入依赖的package包/类
public LessonDialogBuilder(Context context, Lesson lesson) {
    super(context);

    positiveText(R.string.action_close);
    customView(R.layout.dialog_view_lesson, true);

    ButterKnife.bind(this, customView);

    TeacherSubject[] subjects = lesson.getSubjects();

    String subjectText = "";
    int color;

    if (subjects.length > 1) {
        List<Integer> colors = new ArrayList<>();

        for (int i = 0; i < subjects.length; i++) {
            if (i != 0) {
                subjectText += ", ";
            }
            subjectText += subjects[i].getShorthand();

            colors.add(subjects[i].getColor());
        }

        color = ColorUtils.averageColor(colors);
    } else {
        color = subjects[0].getColor();
        subjectText = subjects[0].getFullName();
    }

    Drawable colorIndicator = ResourcesCompat.getDrawable(context.getResources(), R.drawable.circle, context.getTheme());
    if (colorIndicator != null) {
        colorIndicator.setColorFilter(color, PorterDuff.Mode.SRC_IN);
        icon(colorIndicator);
    }

    title(subjectText);

    day.setText(CalendarUtils.dayToString(context, lesson.getDay()));

    if (lesson.getFirstLessonNumber() == lesson.getLastLessonNumber()) {
        hours.setText(String.valueOf(lesson.getFirstLessonNumber()));
    } else {
        hours.setText(context.getString(R.string.format_lesson_number, lesson.getFirstLessonNumber(), lesson.getLastLessonNumber()));
    }

    CalendarInterval lessonTime = LessonTimeFactory.fromLesson(lesson);
    time.setText(lessonTime.toString());


    if (subjects.length > 1 || subjects.length == 0) {
        layoutSubject.setVisibility(View.GONE);
    } else {
        subject.setText(subjects[0].getFullName());
        teacher.setText(subjects[0].getTeacher().getLastName());
        room.setText(subjects[0].getRoom());
        layoutList.setVisibility(View.GONE);
    }

    LinearLayoutManager layoutManager = new LinearLayoutManager(context);
    layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    list.setLayoutManager(layoutManager);

    RecyclerView.ItemAnimator animator = new FadeInUpAnimator();
    list.setItemAnimator(animator);

    SubjectAdapter adapter = new SubjectAdapter();
    adapter.addAll(Arrays.asList(lesson.getSubjects()));
    list.setAdapter(adapter);

    list.getLayoutParams().height = adapter.getItemCount() * context.getResources().getDimensionPixelSize(R.dimen.list_item_height_icon);
}