//Recycleview依赖 implementation ‘com.android.support:recyclerview-v7:26.1.0‘ //拦截器的依赖 compile ‘com.squareup.okhttp3:logging-interceptor:3.8.0‘ //SimpleDraweeView加载图片的依赖： compile ‘com.facebook.fresco:fresco:1.5.0‘ //Banner的依赖: compile ‘com.youth.banner:banner:1.4.10‘ // Fresco依赖: compile ‘com.facebook.fresco:fresco:1.5.0‘ //Eventbus依赖: compile ‘org.greenrobot:eventbus:3.1.1‘ // Rxjava2: compile ‘io.reactivex.rxjava2:rxjava:2.1.7‘ compile ‘com.squareup.retrofit2:adapter-rxjava2:2.3.0‘ compile ‘io.reactivex.rxjava2:rxandroid:2.0.1‘ //Okhttp依赖 compile ‘com.squareup.okhttp3:okhttp:3.9.1‘ //retrofit依赖 compile ‘com.squareup.retrofit2:retrofit:2.3.0‘ //GSON依赖 compile ‘com.squareup.retrofit2:converter-gson:2.3.0‘ //底部按钮 compile ‘com.hjm:BottomTabBar:1.1.1‘ //刷新页面 compile ‘com.scwang.smartrefresh:SmartRefreshLayout:1.0.4-4‘
RetrofitHelper
public class RetrofitHelper {
private static OkHttpClient client;
private static ServiceApi api;
static {
initOkHttp();
}
private static void initOkHttp() {
if (client == null) {
synchronized (OkHttpClient.class) {
if (client == null) {
client = new OkHttpClient.Builder().build();
}
}
}
}
public static ServiceApi getApi() {
if (api == null) {
synchronized (ServiceApi.class) {
if (api == null) {
api = RetrofitHelper.create(ServiceApi.class, UrlUtils.BASE_URL);
}
}
}
return api;
}
private static <T> T create(Class<T> tClass, String baseUrl) {
Retrofit re = new Retrofit.Builder()
.baseUrl(baseUrl)
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.build();
return re.create(tClass);
}
}
OnListiner
public interface OnListiner<T> {
public void onSuccess(T t);
public void onFailure(Throwable throwable);
}
UrlUtils
public class UrlUtils {
public static final String BASE_URL="https://www.zhaoapi.cn/";
public static final String HEAD_PATH="ad/getAd";
public static final String HEAD_FEN="product/getCatagory";
public static final String SUBCLASS="product/getProductCatagory";
}
ServiceApi
public interface ServiceApi {
//首页请求
@GET(UrlUtils.HEAD_PATH)
public Flowable<HeadBean> getHeads();
//分类请求
@GET(UrlUtils.HEAD_FEN)
public Flowable<ClassifyBean> getClassify();
//子分类请求
@GET(UrlUtils.SUBCLASS)
public Flowable<SubClass> getSubClass(@Query("cid") String cid);
}
M
public class HeadModel implements IHeadModel {
@Override
public void getDatas(final OnListiner onListiner) {
ServiceApi api = RetrofitHelper.getApi();
Flowable<HeadBean> getAd = api.getHeads();
getAd.doOnSubscribe(new Consumer<Subscription>() {
@Override
public void accept(Subscription subscription) throws Exception {
Log.i("hhhhhhhhhhhhhhhhhhh","开始请求数据");
}
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Consumer<HeadBean>() {
@Override
public void accept(HeadBean headBean) throws Exception {
onListiner.onSuccess(headBean);
}
});
}
}
public interface IClassifyModel<T> {
public void getClassifyDatas(OnListiner<T> onListiner);
}
P
public class HeadPresenter {
private IHeadFragment iHeadFragment;
private IHeadModel iHeadModel;
public HeadPresenter(IHeadFragment iHeadFragment) {
this.iHeadFragment = iHeadFragment;
iHeadModel = new HeadModel();
}
public void getHeadDatas()
{
iHeadModel.getDatas(new OnListiner() {
@Override
public void onSuccess(Object o) {
iHeadFragment.getDatas((HeadBean) o);
}
@Override
public void onFailure(Throwable throwable) {
}
});
}
}
V
public interface IHeadFragment {
public void getDatas(HeadBean headBean);
}
public class Fragment01 extends Fragment implements IHeadFragment {
private HeadPresenter presenter;
private Banner banner;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment01,container,false);
banner = view.findViewById(R.id.banner);
presenter = new HeadPresenter(this);
presenter.getHeadDatas();
return view;
}
@Override
public void getDatas(HeadBean headBean) {
Toast.makeText(getActivity(),headBean.getCode(),Toast.LENGTH_SHORT).show();
List<String> images = new ArrayList<>();
List<HeadBean.DataBean> data = headBean.getData();
for (int i = 0;i<data.size();i++)
{
images.add(data.get(i).getIcon()) ;
}
banner.setImageLoader(new GlideImageLoader());
banner.isAutoPlay(true);
//设置轮播的时间间隔
banner.setDelayTime(3000);
banner.setImages(images);
banner.start();
}
}
适配器
public class HeadClassify extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private Context context;
private List<ClassifyBean.DataBean> list;
private LayoutInflater inflater;
public HeadClassify(Context context, List<ClassifyBean.DataBean> list) {
this.context = context;
this.list = list;
inflater =LayoutInflater.from(context);
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = inflater.inflate(R.layout.head_fenlei_item, parent, false);
return new MyViewHolder(view);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
MyViewHolder holder1 = (MyViewHolder) holder;
ClassifyBean.DataBean dataBean = list.get(position);
Uri parse = Uri.parse(dataBean.getIcon());
holder1.img.setImageURI(parse);
holder1.txt.setText(dataBean.getName());
}
@Override
public int getItemCount() {
return list.size();
}
class MyViewHolder extends RecyclerView.ViewHolder{
private SimpleDraweeView img;
private TextView txt;
public MyViewHolder(View itemView) {
super(itemView);
img = itemView.findViewById(R.id.fenlei_img);
txt = itemView.findViewById(R.id.fenlei_txt);
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>
<com.youth.banner.Banner
android:layout_width="match_parent"
android:layout_height="200dp"
android:id="@+id/banner"
></com.youth.banner.Banner>
<ImageView
android:layout_width="match_parent"
android:layout_height="200px"
android:background="@mipmap/jd_huo_dong"
android:id="@+id/jd"
android:layout_margin="10dp"
/>
</LinearLayout>
</ScrollView>
</LinearLayout>
