分类页面所有view层（activity 跟 布局 跟fragment以及布局）

MainActivity：

public class MainActivity extends AppCompatActivity implements IFenlei_view {
private ListView fen_lei_list_view;
private FrameLayout fen_lei_frame;
private Fenlei_presenter fenlei_presenter;
private Fenlei_adapter fenlei_adapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
fen_lei_list_view  = findViewById(R.id.fen_lei_list_view);
fen_lei_frame = findViewById(R.id.fen_lei_frame);
fenlei_presenter = new Fenlei_presenter(this);
fenlei_presenter.getFenleiData("https://www.zhaoapi.cn/product/getCatagory");

}

@Override
public void postFenlei(final GoodsFenleiBean goodsFenleiBean) {
runOnUiThread(new Runnable() {

@Override
public void run() {
fenlei_adapter = new Fenlei_adapter(goodsFenleiBean,MainActivity.this);
fen_lei_list_view.setAdapter(fenlei_adapter);
fen_lei_list_view.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
//设置适配器当前位置的方法
fenlei_adapter.setCurPositon(i);
fenlei_adapter.notifyDataSetChanged();
FragmentFenLeiRight fragmentFenLeiRight=FragmentFenLeiRight.getInstance(goodsFenleiBean.getData().get(i).getCid());
getSupportFragmentManager().beginTransaction().replace(R.id.fen_lei_frame,fragmentFenLeiRight).commit();

}
});
}
});

}
}

MainActivity布局：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.bwie.yuekao.view.MainActivity">

<LinearLayout
android:layout_width="match_parent"
android:gravity="center"
android:layout_height="40dp"
android:background="#44ff"
android:orientation="horizontal">
<TextView
android:layout_width=[b]"wrap_content"
android:layout_height="wrap_content"
android:text="分类"
android:textSize="20dp"
android:layout_gravity="center"
/>
</LinearLayout>

<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">

<ListView
android:background="#F3F3F6"
android:divider="#F3F3F6"
android:dividerHeight="0.1dp"
android:id="@+id/fen_lei_list_view"
android:scrollbars="none"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent">

</ListView>

<FrameLayout
android:id="@+id/fen_lei_frame"
android:layout_width="0dp"
android:layout_weight="3"
android:layout_height="match_parent">

</FrameLayout>

</LinearLayout>
</LinearLayout>

DetailActivity：

public class DetailActivity extends AppCompatActivity implements DetailActivityInter,ActivityAddCartInter, View.OnClickListener {
private int pid;
private DeatailPresenter deatailPresenter;
private Banner banner;
private TextView detail_title;
private TextView detail_bargin_price;
private TextView detail_yuan_price;
private TextView detai_add_cart;
private ImageView detail_image_back;
private TextView watch_cart;
private AddCartPresenter addCartPresenter;
private ImageView detail_share;
private DeatilBean deatilBean;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_detail);
banner = findViewById(R.id.banner);
detail_title = findViewById(R.id.detail_title);
detail_bargin_price = findViewById(R.id.detail_bargin_price);
detail_yuan_price = findViewById(R.id.detail_yuan_price);
detai_add_cart = findViewById(R.id.detai_add_cart);
detail_image_back = findViewById(R.id.detail_image_back);
watch_cart = findViewById(R.id.watch_cart);
detail_share = findViewById(R.id.detail_share);

//创建presenter
deatailPresenter = new DeatailPresenter(this);
addCartPresenter = new AddCartPresenter(this);
//接收传递的pid
pid = getIntent().getIntExtra("pid", -1);
//如果不是默认值代表传递过来数据了
if (pid != -1){

//拿着传递的pid请求商品详情的接口,然后展示数据...MVP
deatailPresenter.getDetailData(ApiUtil.DETAIL_URL,pid);
}
//初始化banner
initBanner();

//设置点击事件
detai_add_cart.setOnClickListener(this);
detail_image_back.setOnClickListener(this);
watch_cart.setOnClickListener(this);
detail_share.setOnClickListener(this);

}

@Override
public void onSuccess(final DeatilBean deatilBean) {
this.deatilBean = deatilBean;
runOnUiThread(new Runnable() {
@Override
public void run() {
//添加删除线
detail_yuan_price.getPaint().setFlags(Paint.STRIKE_THRU_TEXT_FLAG);

//设置数据显示
detail_title.setText(deatilBean.getData().getTitle());
detail_bargin_price.setText("优惠价:"+deatilBean.getData().getBargainPrice());
detail_yuan_price.setText("原价:"+deatilBean.getData().getPrice());
String[] strings = deatilBean.getData().getImages().split("\\|");
final ArrayList<String> imageUrls = new ArrayList<>();
for (int i = 0;i<strings.length;i++){
imageUrls.add(strings[i]);
}
banner.setImages(imageUrls);
//bannner点击事件进行跳转
banner.setOnBannerListener(new OnBannerListener() {
@Override
public void OnBannerClick(int position) {
Intent intent = new Intent(DetailActivity.this,ImageScaleActivity.class);
//传递的数据...整个轮播图数据的集合需要传递,,,当前展示的图片的位置需要传递postion
//intent传递可以传的数据...基本数据类型...引用数据类型(必须序列化,所有的类,包括内部类实现serilizable接口)...bundle
intent.putStringArrayListExtra("imageUrls",imageUrls);
intent.putExtra("position",position);

startActivity(intent);
}
});
banner.start();
}
});
}
private void initBanner() {

//设置banner样式...CIRCLE_INDICATOR_TITLE包含标题
banner.setBannerStyle(BannerConfig.CIRCLE_INDICATOR);
//设置图片加载器
//   banner.setImageLoader(new GlideImageLoader());
//设置自动轮播，默认为true
banner.isAutoPlay(true);
//设置轮播时间
banner.setDelayTime(2500);
//设置指示器位置（当banner模式中有指示器时）
banner.setIndicatorGravity(BannerConfig.CENTER);

}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.detail_image_back://返回
//finish() startActivity() setResult()...context.startActiivty()

//DetailActivity.this.finish();
finish();
break;

}
}

@Override
public void onCartAddSuccess(AddCartBean addCartBean) {
Toast.makeText(DetailActivity.this,addCartBean.getMsg(),Toast.LENGTH_SHORT).show();
}
}

DetailActivity布局：

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.bwie.yuekao.view.activity.DetailActivity">
<RelativeLayout
android:id="@+id/detai_relative"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<ImageView
android:id="@+id/detail_image_back"
android:padding="5dp"
android:src="@drawable/leftjiantou"
android:layout_width="40dp"
android:layout_height="40dp" />

<TextView
android:layout_centerInParent="true"
android:text="商品详情"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<ImageView
android:id="@+id/detail_share"
android:padding="5dp"
android:layout_alignParentRight="true"
android:src="@drawable/share"
android:layout_width="40dp"
android:layout_height="40dp" />

</RelativeLayout>
<!--轮播图-->
<com.youth.banner.Banner
android:layout_below="@+id/detai_relative"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/banner"
android:layout_width="match_parent"
android:layout_height="300dp" />

<TextView
android:layout_below="@+id/banner"
android:layout_margin="10dp"
android:id="@+id/detail_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<TextView
android:text="aaaa"
android:layout_below="@+id/detail_title"
android:layout_margin="10dp"
android:id="@+id/detail_yuan_price"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<TextView
android:textColor="#ff0000"
android:layout_below="@+id/detail_yuan_price"
android:layout_margin="10dp"
android:id="@+id/detail_bargin_price"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<LinearLayout
android:layout_alignParentBottom="true"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<View
android:background="#000000"
android:layout_width="match_parent"
android:layout_height="0.3dp"/>

<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<TextView
android:id="@+id/watch_cart"
android:padding="10dp"
android:text="购物车"
android:gravity="center"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content" />

<TextView
android:id="@+id/detai_add_cart"
android:padding="10dp"
android:text="加入购物车"
android:gravity="center"
android:layout_width="0dp"
android:layout_weight="1"
android:background="#ff0000"
android:layout_height="wrap_content" />

</LinearLayout>

</LinearLayout>

</RelativeLayout>

ImageScaleActivity：

public class ImageScaleActivity extends AppCompatActivity {
private ArrayList<String> imageUrls;
private int position;
private ViewPager iamge_scale_pager;
private TextView image_scale_text;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_image_scale);
iamge_scale_pager = findViewById(R.id.iamge_scale_pager);
image_scale_text = findViewById(R.id.image_scale_text);

//接收数据
Intent intent = getIntent();
imageUrls = intent.getStringArrayListExtra("imageUrls");
position = intent.getIntExtra("position", -1);
//判断 集合不为空null 集合的长度大于0 position不是-1
//给viewPager设置适配器
if (imageUrls != null && imageUrls.size() > 0 && position != -1) {

//1.textView展示第几张图片
image_scale_text.setText((position + 1) + "/" + imageUrls.size());

//2.设置适配器
ImageScaleAdapter imageScaleAdapter = new ImageScaleAdapter();
iamge_scale_pager.setAdapter(imageScaleAdapter);

//3.设置显示的是点击的那张图片..setCurrentItem()
//boolean smoothScroll...是否滚动
iamge_scale_pager.setCurrentItem(position, false);

//设置监听
iamge_scale_pager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

}

@Override
public void onPageSelected(int position) {
//设置文本显示
image_scale_text.setText((position + 1) + "/" + imageUrls.size());
}

@Override
public void onPageScrollStateChanged(int state) {

}
});
}
}
private class ImageScaleAdapter extends PagerAdapter {

@Override
public int getCount() {
return imageUrls.size();
}

@Override
public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
return view == object;
}

@NonNull
@Override
public Object instantiateItem(@NonNull ViewGroup container, int position) {
//创建imageView(可以放大缩小的iamgeView...自定义的)
ZoomImageView zoomImageView = new ZoomImageView(ImageScaleActivity.this);
//使用glide加载图片
Glide.with(ImageScaleActivity.this).load(imageUrls.get(position)).into(zoomImageView);
//添加到容器container
container.addView(zoomImageView);
//返回这个view
return zoomImageView;
}

@Override
public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
//从容器中移除这个view
container.removeView((View) object);
}
}
}

ImageScaleActivity布局：

<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.bwie.yuekao.view.activity.ImageScaleActivity">
<android.support.v4.view.ViewPager
android:id="@+id/iamge_scale_pager"
android:layout_width="match_parent"
android:layout_height="match_parent">

</android.support.v4.view.ViewPager>

<TextView
android:id="@+id/image_scale_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_margin="10dp"
android:text="2/5"
android:textColor="#66000000"
android:textSize="30sp" />

</RelativeLayout>

ProductListActivity：

public class ProductListActivity extends AppCompatActivity implements ProductListActivityInter, View.OnClickListener {
private String keywords;
private RecyclerView product_list_recycler;
private RecyclerView product_grid_recycler;
private ProductListPresenter productListPresenter;
private int page = 1;
private ProDuctListAdapter proDuctListAdapter;
private ProDuctGridAdapter proDuctGridAdapter;
private ImageView product_image_back;
private LinearLayout linear_search;
private ImageView image_change;
private boolean isList = true;//是否是列表展示
private RefreshLayout refreshLayout;
private List<ProductListBean.DataBean> listAll  = new ArrayList<>();//装当前页面所有的数据
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_product_list);
product_list_recycler = findViewById(R.id.product_list_recycler);
product_grid_recycler = findViewById(R.id.product_grid_recycler);
product_image_back = findViewById(R.id.product_image_back);
linear_search = findViewById(R.id.linear_search);
image_change = findViewById(R.id.image_change);
refreshLayout = findViewById(R.id.refreshLayout);
productListPresenter = new ProductListPresenter(this);

//接收传递的关键词
keywords = getIntent().getStringExtra("keywords");
if (keywords != null) {
//根据关键词和page去请求列表数据

productListPresenter.getProductData("https://www.zhaoapi.cn/product/searchProducts",keywords,page);

}
//设置列表布局
product_list_recycler.setLayoutManager(new LinearLayoutManager(ProductListActivity.this));
product_grid_recycler.setLayoutManager(new StaggeredGridLayoutManager(2, OrientationHelper.VERTICAL));
//设置点击事件
product_image_back.setOnClickListener(this);
linear_search.setOnClickListener(this);
image_change.setOnClickListener(this);
//下拉刷新的监听
refreshLayout.setOnRefreshListener(new OnRefreshListener() {
@Override
public void onRefresh(RefreshLayout refreshlayout) {
page = 1;
//集合清空
listAll.clear();
//重新获取数据
productListPresenter.getProductData("https://www.zhaoapi.cn/product/searchProducts",keywords,page);

}
});
//上拉加载的监听
refreshLayout.setOnLoadmoreListener(new OnLoadmoreListener() {
@Override
public void onLoadmore(RefreshLayout refreshlayout) {
page ++;
//重新获取数据
productListPresenter.getProductData("https://www.zhaoapi.cn/product/searchProducts",keywords,page);

}
});

}

@Override
public void getProductDataSuccess(final ProductListBean productListBean) {
runOnUiThread(new Runnable() {
@Override
public void run() {
//先把数据添加到大集合
listAll.addAll(productListBean.getData());

//设置适配器就可以了

setAdapter();
//条目的点击事件 调到详情页面
proDuctListAdapter.setOnItemListner(new OnItemListner() {
@Override
public void onItemClick(int position) {

//跳转详情
Intent intent = new Intent(ProductListActivity.this,DetailActivity.class);
intent.putExtra("pid",listAll.get(position).getPid());
startActivity(intent);

}

@Override
public void onItemLongClick(int position) {

}
});
proDuctGridAdapter.setOnItemListner(new OnItemListner() {
@Override
public void onItemClick(int position) {

//跳转详情
Intent intent = new Intent(ProductListActivity.this,DetailActivity.class);
intent.putExtra("pid",listAll.get(position).getPid());
startActivity(intent);

}

@Override
public void onItemLongClick(int position) {

}
});

}
});
}
private void setAdapter() {

//设置列表设备器
if (proDuctListAdapter == null) {
proDuctListAdapter = new ProDuctListAdapter(ProductListActivity.this, listAll);
product_list_recycler.setAdapter(proDuctListAdapter);
}else {
proDuctListAdapter.notifyDataSetChanged();
}

//设置表格适配器
if (proDuctGridAdapter == null) {
proDuctGridAdapter = new ProDuctGridAdapter(ProductListActivity.this, listAll);
product_grid_recycler.setAdapter(proDuctGridAdapter);
}else {
proDuctGridAdapter.notifyDataSetChanged();
}

//停止刷新和加载更多
refreshLayout.finishRefresh();
refreshLayout.finishLoadmore();

}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.linear_search:
Toast.makeText(this,"即将跳转搜索...",Toast.LENGTH_SHORT).show();
break;
case R.id.product_image_back:
finish();
break;
case R.id.image_change:

if (isList) {//表示当前展示的是列表..图标变成列表样式...表格进行显示,列表隐藏...isList---false
image_change.setImageResource(R.drawable.kind_liner);

product_grid_recycler.setVisibility(View.VISIBLE);
product_list_recycler.setVisibility(View.GONE);

isList = false;
}else {
image_change.setImageResource(R.drawable.kind_grid);

product_list_recycler.setVisibility(View.VISIBLE);
product_grid_recycler.setVisibility(View.GONE);

isList = true;
}

break;
}
}
}

ProductListActivity布局：

<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.bwie.yuekao.view.activity.ProductListActivity">
<!--标题-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="5dp">

<ImageView
android:id="@+id/product_image_back"
android:layout_width="40dp"
android:layout_height="40dp"
android:padding="5dp"
android:src="@drawable/leftjiantou" />

<LinearLayout
android:id="@+id/linear_search"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="5dp"
android:layout_weight="1"
android:background="@drawable/gray_back_conner"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="5dp">

<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:src="@drawable/a_4" />

<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_weight="1"
android:text="搜索京东商品/商铺" />

<ImageView
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_marginRight="5dp"
android:scaleType="fitXY"
android:src="@drawable/root" />

</LinearLayout>

<ImageView
android:id="@+id/image_change"
android:layout_width="30dp"
android:layout_height="30dp"
android:scaleType="fitXY"
android:src="@drawable/kind_grid" />

</LinearLayout>
<com.scwang.smartrefresh.layout.SmartRefreshLayout
android:id="@+id/refreshLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">

<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="none">

<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">

<!--商品列表-->
<android.support.v7.widget.RecyclerView
android:nestedScrollingEnabled="false"
android:id="@+id/product_list_recycler"
android:layout_width="match_parent"
android:layout_height="match_parent">

</android.support.v7.widget.RecyclerView>

<android.support.v7.widget.RecyclerView
android:nestedScrollingEnabled="false"
android:id="@+id/product_grid_recycler"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:visibility="gone">

</android.support.v7.widget.RecyclerView>

</LinearLayout>

</ScrollView>

</com.scwang.smartrefresh.layout.SmartRefreshLayout>

</LinearLayout>

Fragment:

FragmentFenLeiRight:

public class FragmentFenLeiRight extends Fragment implements IFenleiRight_view {private RecyclerView fen_lei_recycler_out;private FragmentFenLeiRightPresenter fragmentFenLeiRightPresenter;@Nullable@Overridepublic View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {View view = inflater.inflate(R.layout.fragment_fen_lei_right_layout, container, false);fen_lei_recycler_out = view.findViewById(R.id.fen_lei_recycler_out);return view ;}@Overridepublic void onActivityCreated(@Nullable Bundle savedInstanceState) {super.onActivityCreated(savedInstanceState);fragmentFenLeiRightPresenter = new FragmentFenLeiRightPresenter(this);//获取传递的cidint cid = getArguments().getInt("cid", -1);if(cid != -1){fragmentFenLeiRightPresenter.getChildData("https://www.zhaoapi.cn/product/getProductCatagory",cid);}}public static FragmentFenLeiRight getInstance(int cid) {FragmentFenLeiRight fragmentFenLeiRight = new FragmentFenLeiRight();//传值Bundle bundle = new Bundle();bundle.putInt("cid",cid);fragmentFenLeiRight.setArguments(bundle);return fragmentFenLeiRight;}@Overridepublic void postFenleiRight(final FenleiRightBean fenleiRightBean) {getActivity().runOnUiThread(new Runnable() {@Overridepublic void run() {fen_lei_recycler_out.setLayoutManager(new LinearLayoutManager(getActivity()));//设置适配器FenLeiRecyclerOutAdapter fenLeiRecyclerOutAdapter = new FenLeiRecyclerOutAdapter(fenleiRightBean,getActivity());fen_lei_recycler_out.setAdapter(fenLeiRecyclerOutAdapter);}});}}

Fragment布局：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><ScrollViewandroid:layout_width="match_parent"android:layout_height="match_parent"><LinearLayoutandroid:orientation="vertical"android:layout_width="match_parent"android:layout_height="match_parent"><ImageViewandroid:src="@drawable/timg"android:scaleType="fitXY"android:layout_width="match_parent"android:layout_height="100dp" /><android.support.v7.widget.RecyclerViewandroid:id="@+id/fen_lei_recycler_out"android:layout_width="match_parent"android:layout_height="wrap_content"></android.support.v7.widget.RecyclerView></LinearLayout></ScrollView></LinearLayout>