仿京东搜索页面

HttpUtils

public class HttpUtils {
private static final String TAG = "HttpUtils-----";
private static HttpUtils httpUtils;
private final int SUCCESS = 0;
private final int ERROR = 1;
private MyHandler myHandler = new MyHandler();
private OkLoadListener okLoadListener;

public static HttpUtils getHttpUtils() {
if (httpUtils == null) {
httpUtils = new HttpUtils();
}
return httpUtils;
}

class MyHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SUCCESS:
//成功
String json = (String) msg.obj;
okLoadListener.okLoadSuccess(json);
break;

case ERROR:
//失败
String error = (String) msg.obj;
okLoadListener.okLoadError(error);
break;
}
}
}

//get
public void okGet(String url) {
OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(new MyIntercepter()).build();

Request request = new Request.Builder().url(url).build();
Call call = okHttpClient.newCall(request);

call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Message message = myHandler.obtainMessage();
message.what = ERROR;
message.obj = e.getMessage();
myHandler.sendMessage(message);
}

@Override
public void onResponse(Call call, Response response) throws IOException {
Message message = myHandler.obtainMessage();
message.what = SUCCESS;
message.obj = response.body().string();
myHandler.sendMessage(message);
}
});
}

public void setOkLoadListener(OkLoadListener okLoadListener) {
this.okLoadListener = okLoadListener;
}

//post
public void okPost(String url, Map<String, String> params) {
OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(new MyIntercepter()).build();

FormBody.Builder builder = new FormBody.Builder();
Set<String> keySet = params.keySet();
for (String key :
keySet) {
String value = params.get(key);
builder.add(key, value);
}
FormBody formBody = builder.build();
Request request = new Request.Builder().url(url).post(formBody).build();
Call call = okHttpClient.newCall(request);

call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Message message = myHandler.obtainMessage();
message.what = ERROR;
message.obj = e.getMessage();
myHandler.sendMessage(message);
}

@Override
public void onResponse(Call call, Response response) throws IOException {
Message message = myHandler.obtainMessage();
message.what = SUCCESS;
message.obj = response.body().string();
myHandler.sendMessage(message);
}
});
}

//拦截器
class MyIntercepter implements Interceptor {
//intercept 拦截
@Override
public Response intercept(Chain chain) throws IOException {
//添加公共参数
//post 取出原来所有的参数，将之加到新的请求体里面。然后让请求去执行
Request request = chain.request();
//获取请求方法
String method = request.method();
if (method.equals("GET")) {//---------------------------GET 拦截
//取出url地址
String url = request.url().toString();
//拼接公共参数
boolean contains = url.contains("?");
if (contains) {
url = url + "&source=android";
} else {
url = url + "?source=android";
}

Request request1 = request.newBuilder().url(url).build();

Response response = chain.proceed(request1);

return response;

} else if (method.equals("POST")) {//---------------------POST 拦截
RequestBody body = request.body();//请求体
if (body instanceof FormBody) {
//创建新的请求体
FormBody.Builder newBuilder = new FormBody.Builder();
for (int i = 0; i < ((FormBody) body).size(); i++) {
String key = ((FormBody) body).name(i);
String value = ((FormBody) body).value(i);
newBuilder.add(key, value);
}
//添加公共参数
newBuilder.add("source", "android");
FormBody newBody = newBuilder.build();
//创建新的请求体
Request request1 = request.newBuilder().post(newBody).build();
//去请求
Response response = chain.proceed(request1);
return response;
}
}
return null;
}
}

//上传文件（图片）
public void upLoadImage(String url, String path) {//url 要上传的地址。path 要上传的文件路径
//媒体类型
MediaType mediaType = MediaType.parse("image/*");
//multipartbody
MultipartBody.Builder builder = new MultipartBody.Builder().setType(MultipartBody.FORM);
File file = new File(path);
MultipartBody multipartBody = builder.addFormDataPart("file", file.getName(), RequestBody.create(mediaType, file)).build();

OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder().url(url).post(multipartBody).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Log.d(TAG, "上传失败0----: ");
}

@Override
public void onResponse(Call call, Response response) throws IOException {
Log.d(TAG, "上传成功: ");
}
});
}

}

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OkLoadListener

public interface OkLoadListener {
void okLoadSuccess(String json);

void okLoadError(String error);
}

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public class HttpConfig {
public static String goodslist_url = "http://120.27.23.105/product/searchProducts";

}

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Modle包

GetGoodsListener

public interface GetGoodsListener {
void getSuccess(String json);

void getError(String error);
}

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Bean包省略

---------------------------------------------------------------------------------------------------------------

public interface IModel {
//获取商品列表数据
void getGoodsListData(String url, Map<String,String> map,GetGoodsListener getGoodsListener);

}

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public class ModelImpl implements IModel {
@Override
public void getGoodsListData(String url, Map<String, String> map, final GetGoodsListener getGoodsListener) {
HttpUtils httpUtils = HttpUtils.getHttpUtils();
httpUtils.okPost(url, map);
httpUtils.setOkLoadListener(new OkLoadListener() {
@Override
public void okLoadSuccess(String json) {
getGoodsListener.getSuccess(json);
}

@Override
public void okLoadError(String error) {
getGoodsListener.getError(error);
}
});
}

}

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Presenter包

public interface IPresenter {
void showGoodsListToView(IModel iModel, IMainView iMainView);

}

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public class PresenterImpl implements IPresenter {
private static final String TAG = "PresenterImpl---";
@Override
public void showGoodsListToView(IModel iModel, final IMainView iMainView) {
Map<String,String> map = new HashMap<>();
map.put("keywords",iMainView.getContent());
map.put("page","1");
iModel.getGoodsListData(HttpConfig.goodslist_url, map, new GetGoodsListener() {
@Override
public void getSuccess(String json) {
Log.d(TAG, "数据----: "+json);
Gson gson = new Gson();
GoodsListBean goodsListBean = gson.fromJson(json, GoodsListBean.class);
List<GoodsListBean.DataBean> list = goodsListBean.getData();
//放入view
iMainView.showGoodsList(list);
}

@Override
public void getError(String error) {
Log.d(TAG, "getError: "+error);
}
});
}

}

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view 包

public interface IMainView {
//显示商品也

void showGoodsList(List<GoodsListBean.DataBean> list);

//获取输入框内容
String getContent();

}

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public class MainActivity extends AppCompatActivity implements IMainView, View.OnClickListener {
private static final String TAG = "MainActivity-----";
private RecyclerView recyclerView;
private MySearchView mySearchView;
private TextView sousuo;
private PresenterImpl presenter;
private boolean flag = true;
private ImageView change;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//初始化界面
initViews();
//初始化数据
initDatas();
}

private void initDatas() {
presenter = new PresenterImpl();
presenter.showGoodsListToView(new ModelImpl(), this);
}

private void initViews() {
recyclerView = findViewById(R.id.recyclerView);
mySearchView = findViewById(R.id.mysearch);
recyclerView.setLayoutManager(new LinearLayoutManager(this));

sousuo = findViewById(R.id.sousuo);
sousuo.setOnClickListener(this);

change = findViewById(R.id.change);
change.setOnClickListener(this);
}

//显示商品列表
@Override
public void showGoodsList(List<GoodsListBean.DataBean> list) {
Log.d(TAG, "showGoodsList: " + list);
MyAdapter myAdapter = new MyAdapter(MainActivity.this, list);
recyclerView.setAdapter(myAdapter);
}

@Override
public String getContent() {
String content = mySearchView.getContent();
if (TextUtils.isEmpty(content)) {
content = "笔记本";
}
return content;
}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.sousuo:

presenter.showGoodsListToView(new ModelImpl(), this);

break;

case R.id.change:

if (flag) {
recyclerView.setLayoutManager(new GridLayoutManager(MainActivity.this, 2));
change.setImageResource(R.drawable.kind_liner);
} else {
recyclerView.setLayoutManager(new LinearLayoutManager(this));
change.setImageResource(R.drawable.kind_grid);
}
flag = !flag;
break;
}
}

}

--------------------------------------------------------------------------------------------------------------------------------

搜索框组合控件

public class MySearchView extends LinearLayout {

private EditText search_content;

//1.
//直接new的时候
public MySearchView(Context context) {
this(context, null);
}

public MySearchView(Context context, @Nullable AttributeSet attrs) {
this(context, attrs, 0);
}

//在布局文件里面时候控件的时候
public MySearchView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
//初始化
View view = View.inflate(context, R.layout.layout_search, this);
search_content = view.findViewById(R.id.search_content);
// search_content.setOnClickListener(new OnClickListener() {
// @Override
// public void onClick(View v) {
// search_content.setFocusable(true);
// }
// });
}

//获取输入的内容

public String getContent() {
return search_content.getText().toString();
}

}

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动画页面

public class SplashActivity extends AppCompatActivity {

private int width;
private int height;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_splash2);
//获取屏幕宽高
WindowManager wm = (WindowManager) this
.getSystemService(Context.WINDOW_SERVICE);
width = wm.getDefaultDisplay().getWidth();
height = wm.getDefaultDisplay().getHeight();

//初始化页面
initViews();
}

private void initViews() {
ImageView imageView=findViewById(R.id.splash_pic);
//属性动画
ObjectAnimator translationY = ObjectAnimator.ofFloat(imageView, "translationY", 0, height / 2);
ObjectAnimator scaleX = ObjectAnimator.ofFloat(imageView, "scaleX", 2, 1);
ObjectAnimator scaleY = ObjectAnimator.ofFloat(imageView, "scaleY", 2, 1);
ObjectAnimator alpha = ObjectAnimator.ofFloat(imageView, "alpha", 0, 1);
ObjectAnimator rotation = ObjectAnimator.ofFloat(imageView, "rotation", 360);

//添加到动画集合
AnimatorSet animatorSet = new AnimatorSet();
animatorSet.playTogether(translationY,scaleX,scaleY,alpha,rotation);

//设置
animatorSet.setDuration(3000);
animatorSet.start();
animatorSet.addListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {

}

@Override
public void onAnimationEnd(Animator animation) {
//动画结束的时候，跳转页面
Intent intent = new Intent(SplashActivity.this, MainActivity.class);
startActivity(intent);
}

@Override
public void onAnimationCancel(Animator animation) {

}

@Override
public void onAnimationRepeat(Animator animation) {
}
});
}

}

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MyAdapter

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
private Context context;
private List<GoodsListBean.DataBean> list;

public MyAdapter(Context context, List<GoodsListBean.DataBean> list) {

this.list = list;
this.context = context;
}

@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

View view = LayoutInflater.from(context).inflate(R.layout.item_layout, parent, false);
MyViewHolder myViewHolder = new MyViewHolder(view);
return myViewHolder;
}

@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
String pic_url = list.get(position).getImages().split("\\|")[0];
Glide.with(context).load(pic_url).into(holder.getImageView());

holder.getTitle().setText(list.get(position).getTitle());
holder.getPrice().setText(list.get(position).getPrice() + "");
holder.getPrice2().setText(list.get(position).getBargainPrice() + "");

}

@Override
public int getItemCount() {
return list.size();
}

class MyViewHolder extends RecyclerView.ViewHolder {

private final ImageView imageView;
private final TextView title;
private final TextView price;
private final TextView price2;

public MyViewHolder(View itemView) {
super(itemView);
//找控件
imageView = itemView.findViewById(R.id.item_pic);
title = itemView.findViewById(R.id.itme_title);
price = itemView.findViewById(R.id.item_price);
price2 = itemView.findViewById(R.id.item_price2);
}
public MyViewHolder(View itemView, ImageView imageView, TextView title, TextView price, TextView price2) {
super(itemView);
this.imageView = imageView;
this.title = title;
this.price = price;
this.price2 = price2;
}
public ImageView getImageView() {
return imageView;
}
public TextView getTitle() {
return title;
}
public TextView getPrice() {
return price;
}
public TextView getPrice2() {
return price2;
}
}

}

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组合控件XML

<?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="wrap_content"
android:background="@drawable/search_bg"
android:orientation="horizontal"
android:padding="8dp">

<ImageView
android:layout_width="@dimen/search_height"
android:layout_height="@dimen/search_height"
android:src="@drawable/a_4" />

<EditText
android:id="@+id/search_content"
android:layout_width="0dp"
android:layout_height="@dimen/search_height"
android:layout_weight="1"
android:background="@null" />

<ImageView
android:layout_width="@dimen/search_height"
android:layout_height="@dimen/search_height"
android:src="@drawable/root" />

</LinearLayout>

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主页面XML

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