滑动（二级分类）
public class MainActivity extends AppCompatActivity {
@BindView(R.id.viewPager)
ViewPager viewPager;
@BindView(R.id.radioGroup)
RadioGroup radioGroup;
List list = new ArrayList<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
list.add(new Fragment1());
list.add(new Fragment2());
list.add(new Fragment3());
viewPager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
@Override
public Fragment getItem(int i) {
return list.get(i);
}
@Override
public int getCount() {
return list.size();
}
});
viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int i, float v, int i1) {
}
@Override
public void onPageSelected(int i) {
switch (i) {
case 0:
radioGroup.check(R.id.but1);
break;
case 1:
radioGroup.check(R.id.but2);
break;
case 2:
radioGroup.check(R.id.but3);
break;
}
}
@Override
public void onPageScrollStateChanged(int i) {
}
});
radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (checkedId){
case R.id.but1:
viewPager.setCurrentItem(0);
break;
case R.id.but2:
viewPager.setCurrentItem(1);
break;
case R.id.but3:
viewPager.setCurrentItem(2);
break;
}
}
});
}
}
分类
public class Fragment1 extends Fragment implements MainView {
Button pop_but;
RecyclerView pop_recycler;
MainPresenterIm presenterIm;
FirstAdapter firstAdapter;
RecyclerView recycler1, recycler2;
TwoAdapter twoAdapter;
MainAdapter mainAdapter;
String userId = “”;
String sessionId = “”;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
final View inflate = inflater.inflate(R.layout.fragment1, container, false);
//获取控件Id
pop_but = inflate.findViewById(R.id.pop_but);
pop_recycler = inflate.findViewById(R.id.pop_recycler);
presenterIm = new MainPresenterIm(new MainModelIm(), this);
//点击弹框
inflate.findViewById(R.id.pop_but).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
View pop = LayoutInflater.from(getActivity()).inflate(R.layout.pop, null, false);
recycler1 = pop.findViewById(R.id.recycler1);
recycler2 = pop.findViewById(R.id.recycler2);
PopupWindow popupWindow = new PopupWindow(pop, ActionBar.LayoutParams.MATCH_PARENT, ActionBar.LayoutParams.WRAP_CONTENT, false);
popupWindow.setTouchable(true);
popupWindow.setBackgroundDrawable(new PaintDrawable());
popupWindow.setOutsideTouchable(true);
popupWindow.showAsDropDown(pop_but);
firstAdapter = new FirstAdapter(getActivity());
twoAdapter = new TwoAdapter(getActivity());
mainAdapter = new MainAdapter(getActivity());
recycler1.setLayoutManager(new LinearLayoutManager(getActivity(), LinearLayoutManager.HORIZONTAL, true));
recycler1.setAdapter(firstAdapter);
Map map = new HashMap<>();
presenterIm.doGet1(0, "small/commodity/v1/findFirstCategory", userId, sessionId, map);
//一级弹框
firstAdapter.setItemClickListener(new FirstAdapter.onItemClickListener() {
@Override
public void onClick(int id) {
Map map = new HashMap<>();
map.put("firstCategoryId", id + "");
presenterIm.doGet1(1, "small/commodity/v1/findSecondCategory", userId, sessionId, map);
recycler2.setLayoutManager(new LinearLayoutManager(getActivity(), LinearLayoutManager.HORIZONTAL, true));
recycler2.setAdapter(twoAdapter);
}
});
//二级弹框
//二级弹框传值
twoAdapter.setItemClickListener(new TwoAdapter.onItemClickListener() {
@Override
public void onClick(int id) {
Map map1 = new HashMap<>();
map1.put("categoryId", id + "");
map1.put("page", 1 + "");
map1.put("count", 10 + "");
presenterIm.doGet1(2, "small/commodity/v1/findCommodityByCategory", userId, sessionId, map1);
pop_recycler.setLayoutManager(new GridLayoutManager(getActivity(), 2));
pop_recycler.setAdapter(mainAdapter);
}
});
}
});
return inflate;
}
@Override
public void success(int type, String data) {
if (type == 0) {
FirstBean firstBean = new Gson().fromJson(data, FirstBean.class);
List result = firstBean.getResult();
if (result != null) {
firstAdapter.setList(result);
}
} else if (type == 1) {
TwoBean twoBean = new Gson().fromJson(data, TwoBean.class);
List result = twoBean.getResult();
if (result != null) {
twoAdapter.setList(result);
}
} else {
MainBean mainBean = new Gson().fromJson(data, MainBean.class);
List result = mainBean.getResult();
if (result != null) {
mainAdapter.setList(result);
}
}
}
@Override
public void fail(int type, String error) {
}
}
FirstAdapter
public class FirstAdapter extends RecyclerView.Adapter
private Context context;
private List
public FirstAdapter(Context context) {
this.context = context;
list = new ArrayList<>();
}
@NonNull
@Override
public FirstViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View inflate = LayoutInflater.from(context).inflate(R.layout.first_item, viewGroup, false);
return new FirstViewHolder(inflate);
}
@Override
public void onBindViewHolder(@NonNull FirstViewHolder firstViewHolder, final int i) {
firstViewHolder.item_title.setText(list.get(i).getName());
//点击条目传值
firstViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String id = list.get(i).getId();
itemClickListener.onClick(Integer.parseInt(id));
}
});
}
@Override
public int getItemCount() {
return list.size();
}
public void setList(List list) {
this.list = list;
notifyDataSetChanged();
}
public class FirstViewHolder extends RecyclerView.ViewHolder {
private TextView item_title;
public FirstViewHolder(@NonNull View itemView) {
super(itemView);
item_title = itemView.findViewById(R.id.item_title);
}
}
//通过接口回调传值
private onItemClickListener itemClickListener;
public void setItemClickListener(onItemClickListener itemClickListener) {
this.itemClickListener = itemClickListener;
}
public interface onItemClickListener {
void onClick(int id);
}
}
TwoAdapter
public class TwoAdapter extends RecyclerView.Adapter
private Context context;
private List
public TwoAdapter(Context context) {
this.context = context;
list = new ArrayList<>();
}
@NonNull
@Override
public TwoViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View inflate = LayoutInflater.from(context).inflate(R.layout.first_item, viewGroup, false);
return new TwoViewHolder(inflate);
}
@Override
public void onBindViewHolder(@NonNull TwoViewHolder twoViewHolder, final int i) {
twoViewHolder.item_title.setText(list.get(i).getName());
twoViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String id = list.get(i).getId();
itemClickListener.onClick(Integer.parseInt(id));
}
});
}
@Override
public int getItemCount() {
return list.size();
}
public void setList(List list) {
this.list = list;
notifyDataSetChanged();
}
public class TwoViewHolder extends RecyclerView.ViewHolder {
private TextView item_title;
public TwoViewHolder(@NonNull View itemView) {
super(itemView);
item_title = itemView.findViewById(R.id.item_title);
}
}
private onItemClickListener itemClickListener;
public void setItemClickListener(onItemClickListener itemClickListener) {
this.itemClickListener = itemClickListener;
}
public interface onItemClickListener {
void onClick(int id);
}
}
MainAdapter
public class MainAdapter extends RecyclerView.Adapter
private Context context;
private List list;
public MainAdapter(Context context) {
this.context = context;
list = new ArrayList<>();
}
@NonNull
@Override
public MainViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View inflate = LayoutInflater.from(context).inflate(R.layout.main_item, viewGroup, false);
return new MainViewHolder(inflate);
}
@Override
public void onBindViewHolder(@NonNull final MainViewHolder mainViewHolder, final int i) {
Glide.with(context).load(list.get(i).getMasterPic()).into(mainViewHolder.main_item_image);
mainViewHolder.main_item_title.setText(list.get(i).getCommodityName());
mainViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//创建动画
ValueAnimator objectAnimator = ObjectAnimator.ofFloat(mainViewHolder.itemView, "alpha", 1f, 0f);
objectAnimator.setDuration(2000);
objectAnimator.start();
objectAnimator.addListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {//结束的时候
//移除
list.remove(list.get(i));
notifyDataSetChanged();
//跳转页面进行eventbus传值
Intent intent = new Intent(context, DetailsActivity.class);
intent.putExtra("commodityId", list.get(i).getCommodityId());
context.startActivity(intent);
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
}
});
}
@Override
public int getItemCount() {
return list.size();
}
public void setList(List list) {
this.list = list;
notifyDataSetChanged();
}
public class MainViewHolder extends RecyclerView.ViewHolder {
private ImageView main_item_image;
private TextView main_item_title;
public MainViewHolder(@NonNull View itemView) {
super(itemView);
main_item_image = itemView.findViewById(R.id.main_item_image);
main_item_title = itemView.findViewById(R.id.main_item_title);
}
}
}