今日头条导航栏动画选中+recyclerview
主页面
Model层
接口DataModel
package com.example.administrator.myapplication08.Model; import com.example.administrator.myapplication08.OnNetListener; /** * Created by MSI on 2018/5/28. */ public interface DataModel { void showData(String page, OnNetListener onNetListener); }
DataModelImp类
package com.example.administrator.myapplication08.Model; import com.example.administrator.myapplication08.Api; import com.example.administrator.myapplication08.OnNetListener; import com.example.administrator.myapplication08.Utils.OkhttpUtils; /** * Created by MSI on 2018/5/28. */ public class DataModelImp implements DataModel{ @Override public void showData(String page, final OnNetListener onNetListener) { OkhttpUtils.getInstance().doGet(Api.DATA_URL + "?page=" + page, new OnNetListener() { @Override public void OnSuccess(String result) { onNetListener.OnSuccess(result); } @Override public void OnFilder(Exception e) { onNetListener.OnFilder(e); } }); } }
Presenter层
接口DataPresenter
package com.example.administrator.myapplication08.Presenter; /** * Created by MSI on 2018/5/28. */ public interface DataPresenter { void showData(String page); }
DataPresenterImp类
package com.example.administrator.myapplication08.Presenter; import com.example.administrator.myapplication08.DataView; import com.example.administrator.myapplication08.Model.DataModelImp; import com.example.administrator.myapplication08.OnNetListener; import com.example.administrator.myapplication08.View.DataBeans; import com.google.gson.Gson; import java.util.List; /** * Created by MSI on 2018/5/28. */ public class DataPresenterImp implements DataPresenter { private DataView dataView; private final DataModelImp dataModelImp; /** * 绑定View * @param dataView */ public void attachView(DataView dataView){ this.dataView = dataView; } /** * 解绑View */ public void detachView(){ dataView = null; } /** * 使用前先检查当前View是否可用 * @return */ public boolean checkViewAvailable(){ return dataView != null; } public DataPresenterImp(DataView dataView) { this.dataView = dataView; dataModelImp = new DataModelImp(); } @Override public void showData(String page) { dataModelImp.showData(page, new OnNetListener() { @Override public void OnSuccess(String result) { DataBeans dataBeans = new Gson().fromJson(result, DataBeans.class); int code = dataBeans.getCode(); DataBeans.DataBeanX data = dataBeans.getData(); List<DataBeans.DataBeanX.DataBean> listData = data.getData(); if(0 == code){ dataView.showData(listData); } } @Override public void OnFilder(Exception e) { } }); } public void cloneView(){ if(dataView != null){ dataView = null; } } }
Utils层
OkhttpUtils类
package com.example.administrator.myapplication08.Utils; import android.os.Handler; import android.os.Looper; import com.example.administrator.myapplication08.OnNetListener; import java.io.IOException; import java.util.concurrent.TimeUnit; import okhttp3.Call; import okhttp3.Callback; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.Response; /** * Created by MSI on 2018/5/28. */ //kHttp做网络请求，封装网络请求工具类 public class OkhttpUtils { private static OkhttpUtils instance; private final OkHttpClient okHttpClient; private Handler handler; private OkhttpUtils() { okHttpClient = new OkHttpClient.Builder() .connectTimeout(15, TimeUnit.SECONDS) .writeTimeout(15,TimeUnit.SECONDS) .readTimeout(15, TimeUnit.SECONDS) .build(); handler = new Handler(Looper.getMainLooper()); } public static OkhttpUtils getInstance(){ if(instance == null){ instance = new OkhttpUtils(); } return instance; } public void doGet(String url, final OnNetListener onNetListener){ //创建Request final Request request = new Request.Builder() .url(url) .build(); //发送请求 okHttpClient.newCall(request).enqueue(new Callback() { @Override public void onFailure(Call call, final IOException e) { handler.post(new Runnable() { @Override public void run() { onNetListener.OnFilder(e); } }); } @Override public void onResponse(Call call, Response response) throws IOException { final String string = response.body().string(); handler.post(new Runnable() { @Override public void run() { onNetListener.OnSuccess(string); } }); } }); } }
View层
Bean类
package com.example.administrator.myapplication08.View; import java.util.List; /** * Created by MSI on 2018/5/28. */ public class Bean { /** * msg : 成功的返回 * code : 1 * data : [{"uniquekey":"1326bf3c4505783d4a964f81b6220e9d","title":"美国被特朗普坑惨了！又有3个铁杆盟友公开唱对台戏！","date":"2018-05-12 07:25","category":"头条","author_name":"大国军情","url":"http://mini.eastday.com/mobile/180512072544020.html","thumbnail_pic_s":"http://04.imgmini.eastday.com/mobile/20180512/20180512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://04.imgmini.eastday.com/mobile/20180512/20180512_3f636fca330f2311583896aed3185196_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://04.imgmini.eastday.com/mobile/20180512/20180512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_03200403.jpg"},{"uniquekey":"9db153b507c10bbbed1d26c29c030eef","title":"第71届戛纳电影节：贾樟柯电影《江湖儿女》首映","date":"2018-05-12 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07:24","category":"头条","author_name":"遇见优佳","url":"http://mini.eastday.com/mobile/180512072412903.html","thumbnail_pic_s":"http://06.imgmini.eastday.com/mobile/20180512/20180512_38f5183808987be3783b180740d12a2a_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://06.imgmini.eastday.com/mobile/20180512/20180512_a3d9f98eb0e3fe36574581f00fa0f898_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://06.imgmini.eastday.com/mobile/20180512/20180512_37fa1339af2e64cfd2dc85191950e8ba_cover_mwpm_03200403.jpg"},{"uniquekey":"a3ef77503b9924d7ad6957a5af5da5d1","title":"苏丹驻华大使送别招待会在公共外交文化交流中心举行","date":"2018-05-12 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String msg; private int code; private List<DataBean> data; public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public int getCode() { return code; } public void setCode(int code) { this.code = code; } public List<DataBean> getData() { return data; } public void setData(List<DataBean> data) { this.data = data; } public static class DataBean { /** * uniquekey : 1326bf3c4505783d4a964f81b6220e9d * title : 美国被特朗普坑惨了！又有3个铁杆盟友公开唱对台戏！ * date : 2018-05-12 07:25 * category : 头条 * author_name : 大国军情 * url : http://mini.eastday.com/mobile/180512072544020.html * thumbnail_pic_s : http://04.imgmini.eastday.com/mobile/20180512/20180512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_03200403.jpg * thumbnail_pic_s02 : http://04.imgmini.eastday.com/mobile/20180512/20180512_3f636fca330f2311583896aed3185196_cover_mwpm_03200403.jpg * thumbnail_pic_s03 : http://04.imgmini.eastday.com/mobile/20180512/20180512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_03200403.jpg */ private String uniquekey; private String title; private String date; private String category; private String author_name; private String url; private String thumbnail_pic_s; private String thumbnail_pic_s02; private String thumbnail_pic_s03; public String getUniquekey() { return uniquekey; } public void setUniquekey(String uniquekey) { this.uniquekey = uniquekey; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getDate() { return date; } public void setDate(String date) { this.date = date; } public String getCategory() { return category; } public void setCategory(String category) { this.category = category; } public String getAuthor_name() { return author_name; } public void setAuthor_name(String author_name) { this.author_name = author_name; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } public String getThumbnail_pic_s() { return thumbnail_pic_s; } public void setThumbnail_pic_s(String thumbnail_pic_s) { this.thumbnail_pic_s = thumbnail_pic_s; } public String getThumbnail_pic_s02() { return thumbnail_pic_s02; } public void setThumbnail_pic_s02(String thumbnail_pic_s02) { this.thumbnail_pic_s02 = thumbnail_pic_s02; } public String getThumbnail_pic_s03() { return thumbnail_pic_s03; } public void setThumbnail_pic_s03(String thumbnail_pic_s03) { this.thumbnail_pic_s03 = thumbnail_pic_s03; } } }
DataBeans类
package com.example.administrator.myapplication08.View; import com.google.gson.Gson; import org.json.JSONException; import org.json.JSONObject; import java.util.List; /** * Created by MSI on 2018/5/28. */ public class DataBeans { /** * httpStatusCode : 200 * code : 0 * data : {"page":1,"perpage":20,"max_page":85,"total":1686,"data":[{"id":3541397,"title":"合肥新定位为全国智能家居研发生产中心 四大件产量连续多年居全国之首","link":"lsapp://cn.ahurls.news/news?id=3541397","pics":["appletrecommend/201805/5b08a30fa4712.jpg"],"t":"url","type":"normal","alias":"headline","pic_amount":0,"style":"single_right","comment_amount":0,"source":"","type_sign":"","inner_news":1,"views":162,"comment_amount_label":"0","views_label":"162"},{"id":3541326,"title":"合肥此轮降雨过程将在5月26日结束 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String getBindtips() { return bindtips; } public void setBindtips(String bindtips) { this.bindtips = bindtips; } public List<DataBean> getData() { return data; } public void setData(List<DataBean> data) { this.data = data; } public static class ExtrasBean { private List<SliderBean> slider; public static ExtrasBean objectFromData(String str) { return new Gson().fromJson(str, ExtrasBean.class); } public static ExtrasBean objectFromData(String str, String key) { try { JSONObject jsonObject = new JSONObject(str); return new Gson().fromJson(jsonObject.getString(str), ExtrasBean.class); } catch (JSONException e) { e.printStackTrace(); } return null; } public List<SliderBean> getSlider() { return slider; } public void setSlider(List<SliderBean> slider) { this.slider = slider; } public static class SliderBean { /** * id : 3541393 * pic : 18/0526/5b08a55aa0724.jpg * link : lsapp://cn.ahurls.news/news?id=3541393 * t : url * inner_news : 1 * title : 来安徽旅游这5条精品路线不可错过 * type : nomal * type_sign : */ private int id; private String pic; private String link; private String t; private int inner_news; private String title; private String type; private String type_sign; public static SliderBean objectFromData(String str) { return new Gson().fromJson(str, SliderBean.class); } public static SliderBean objectFromData(String str, String key) { try { JSONObject jsonObject = new JSONObject(str); return new Gson().fromJson(jsonObject.getString(str), SliderBean.class); } catch (JSONException e) { e.printStackTrace(); } return null; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getPic() { return pic; } public void setPic(String pic) { this.pic = pic; } public String getLink() { return link; } public void setLink(String link) { this.link = link; } public String getT() { return t; } public void setT(String t) { this.t = t; } public int getInner_news() { return inner_news; } public void setInner_news(int inner_news) { this.inner_news = inner_news; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getType() { return type; } public void setType(String type) { this.type = type; } public String getType_sign() { return type_sign; } public void setType_sign(String type_sign) { this.type_sign = type_sign; } } } public static class DataBean { /** * id : 3541397 * title : 合肥新定位为全国智能家居研发生产中心 四大件产量连续多年居全国之首 * link : lsapp://cn.ahurls.news/news?id=3541397 * pics : ["appletrecommend/201805/5b08a30fa4712.jpg"] * t : url * type : normal * alias : headline * pic_amount : 0 * style : single_right * comment_amount : 0 * source : * type_sign : * inner_news : 1 * views : 162 * comment_amount_label : 0 * views_label : 162 * pics_new : ["appletrecommend/201805/5b08a3fb804d1.jpg"] */ private int id; private String title; private String link; private String t; private String type; private String alias; private int pic_amount; private String style; private int comment_amount; private String source; private String type_sign; private int inner_news; private int views; private String comment_amount_label; private String views_label; private List<String> pics; private List<String> pics_new; public static DataBean objectFromData(String str) { return new Gson().fromJson(str, DataBean.class); } public static DataBean objectFromData(String str, String key) { try { JSONObject jsonObject = new JSONObject(str); return new Gson().fromJson(jsonObject.getString(str), DataBean.class); } catch (JSONException e) { e.printStackTrace(); } return null; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getLink() { return link; } public void setLink(String link) { this.link = link; } public String getT() { return t; } public void setT(String t) { this.t = t; } public String getType() { return type; } public void setType(String type) { this.type = type; } public String getAlias() { return alias; } public void setAlias(String alias) { this.alias = alias; } public int getPic_amount() { return pic_amount; } public void setPic_amount(int pic_amount) { this.pic_amount = pic_amount; } public String getStyle() { return style; } public void setStyle(String style) { this.style = style; } public int getComment_amount() { return comment_amount; } public void setComment_amount(int comment_amount) { this.comment_amount = comment_amount; } public String getSource() { return source; } public void setSource(String source) { this.source = source; } public String getType_sign() { return type_sign; } public void setType_sign(String type_sign) { this.type_sign = type_sign; } public int getInner_news() { return inner_news; } public void setInner_news(int inner_news) { this.inner_news = inner_news; } public int getViews() { return views; } public void setViews(int views) { this.views = views; } public String getComment_amount_label() { return comment_amount_label; } public void setComment_amount_label(String comment_amount_label) { this.comment_amount_label = comment_amount_label; } public String getViews_label() { return views_label; } public void setViews_label(String views_label) { this.views_label = views_label; } public List<String> getPics() { return pics; } public void setPics(List<String> pics) { this.pics = pics; } public List<String> getPics_new() { return pics_new; } public void setPics_new(List<String> pics_new) { this.pics_new = pics_new; } } } }
接口Api
package com.example.administrator.myapplication08; /** * Created by MSI on 2018/5/28. */ public interface Api { String DATA_URL = "http://365jia.cn/news/api3/365jia/news/headline"; }
接口DataView
package com.example.administrator.myapplication08; import com.example.administrator.myapplication08.View.DataBeans; import java.util.List; /** * Created by MSI on 2018/5/28. */ public interface DataView { void showData(List<DataBeans.DataBeanX.DataBean> list); }
接口OnNetListener
package com.example.administrator.myapplication08; /** * Created by MSI on 2018/5/28. */ public interface OnNetListener { void OnSuccess(String result); void OnFilder(Exception e); }
主页面
package com.example.administrator.myapplication08; import android.animation.ObjectAnimator; import android.content.DialogInterface; import android.os.Bundle; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.view.View; import android.widget.ImageView; import android.widget.Toast; import com.example.administrator.myapplication08.Presenter.DataPresenterImp; import com.example.administrator.myapplication08.View.DataBeans; import java.util.List; public class MainActivity extends AppCompatActivity implements DataView { //使用RecyClerView做列表展示页面 private RecyclerView mRv; private DataPresenterImp dataPresenterImp; private MyRvAdapter myRvAdapter; private ImageView img; boolean isChanged = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mRv = findViewById(R.id.rv); LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false); mRv.setLayoutManager(linearLayoutManager); dataPresenterImp = new DataPresenterImp(this); dataPresenterImp.showData("1"); img = findViewById(R.id.img); initadd(); } private void initadd() { // 点击右上角的心形按钮，使用属性动画将心形按钮从右上角位置移动到左下角位置， // 并且透明度渐变成完全透明，当动画执行完毕后，心形按钮变成选中状态 img.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // TODO Auto-generated method stub img.setImageDrawable(getResources().getDrawable(R.drawable.b)); //图片平移出去还能弹回来 //如果没有mimg.getTranslationX()则图片不会弹回来 ObjectAnimator translationX = ObjectAnimator.ofFloat(img, "translationX",img.getTranslationX(), -600f,img.getTranslationX()); ObjectAnimator translationY = ObjectAnimator.ofFloat(img, "translationY",img.getTranslationY(), 1100f,img.getTranslationY()); //动画时间 translationX.setDuration(3000);//时间 translationY.setDuration(3000);//时间 //执行动画 //渐变透明 ObjectAnimator alpha = ObjectAnimator.ofFloat(img, "alpha", 0.0f, 1.0f); alpha.setDuration(3000);//时间 if(view == img) { if(isChanged){ Toast.makeText(MainActivity.this, "取消选中", Toast.LENGTH_LONG).show(); }else { translationY.start();//开始执行 translationX.start();//开始执行 alpha.start();//开始执行 img.setImageDrawable(getResources().getDrawable(R.drawable.c)); Toast.makeText(MainActivity.this, "选中状态", Toast.LENGTH_LONG).show(); } isChanged = !isChanged; } } }); } @Override public void showData(List<DataBeans.DataBeanX.DataBean> list) { //适配器 myRvAdapter = new MyRvAdapter(this, list); mRv.addItemDecoration(new SpacesItemDecoration(10)); mRv.setAdapter(myRvAdapter); myRvAdapter.setOnItemClick(new MyRvAdapter.OnItemClick() { @Override public void onImageClick(View view) { ObjectAnimator alpha = ObjectAnimator.ofFloat(view, "alpha", new float[]{1f, 0.5f, 0.0f, 0.5f, 1.0f}); alpha.setRepeatMode(ObjectAnimator.RESTART); alpha.setDuration(2000); alpha.setRepeatCount(0); alpha.start(); } @Override public void onItemClick(int position) { //弹出框 showAlertDialog(position); } }); } private void showAlertDialog(final int position) { AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this); builder.setTitle("提示："); builder.setMessage("是否删除?"); builder.setIcon(R.mipmap.ic_launcher_round); //点击对话框以外的区域是否让对话框消失 builder.setCancelable(false); //设置正面按钮 builder.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { myRvAdapter.deleteItem(position); myRvAdapter.notifyDataSetChanged(); dialog.dismiss(); } }); //设置反面按钮 builder.setNegativeButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); AlertDialog dialog = builder.create(); dialog.show(); } @Override protected void onDestroy() { super.onDestroy(); dataPresenterImp.cloneView(); } }
适配器MyRvAdapter
package com.example.administrator.myapplication08; import android.content.Context; import android.support.annotation.NonNull; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.bumptech.glide.Glide; import com.example.administrator.myapplication08.View.DataBeans; import java.util.List; /** * Created by MSI on 2018/5/28. */ public class MyRvAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { private String imageSplice = "http://365jia.cn/uploads/"; private Context context; private List<DataBeans.DataBeanX.DataBean> list; private LayoutInflater inflater; private final static int NORMAL = 1; private final static int IMAGES = 2; public MyRvAdapter(Context context, List<DataBeans.DataBeanX.DataBean> list) { this.context = context; this.list = list; inflater = LayoutInflater.from(context); } @NonNull @Override public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { RecyclerView.ViewHolder holder; if(viewType == NORMAL){ View view = inflater.inflate(R.layout.normal_item,parent,false); holder = new NormalViewHolder(view); }else if(viewType == IMAGES){ View view = inflater.inflate(R.layout.images_item,parent,false); holder = new ImagesViewHolder(view); }else{ holder = null; } return holder; } @Override public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, final int position) { int itemViewType = getItemViewType(position); DataBeans.DataBeanX.DataBean dataBean = list.get(position); if(itemViewType == NORMAL){ NormalViewHolder normalViewHolder = (NormalViewHolder) holder; normalViewHolder.normal_title.setText(dataBean.getTitle()); Glide.with(context).load(imageSplice+dataBean.getPics().get(0)).into(normalViewHolder.normal_img); normalViewHolder.itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mOnItemClick != null){ mOnItemClick.onItemClick(position); } } }); }else if(itemViewType == IMAGES){ ImagesViewHolder imagesViewHolder = (ImagesViewHolder) holder; imagesViewHolder.images_title.setText(dataBean.getTitle()); Glide.with(context).load(imageSplice+dataBean.getPics().get(0)).into(imagesViewHolder.images01); Glide.with(context).load(imageSplice+dataBean.getPics().get(1)).into(imagesViewHolder.images02); Glide.with(context).load(imageSplice+dataBean.getPics().get(2)).into(imagesViewHolder.images03); imagesViewHolder.itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mOnItemClick != null){ mOnItemClick.onItemClick(position); } } }); } } @Override public int getItemCount() { return list.size(); } @Override public int getItemViewType(int position) { String type = list.get(position).getType(); if("images".equals(type)){ return IMAGES; }else{ return NORMAL; } } class NormalViewHolder extends RecyclerView.ViewHolder { private final TextView normal_title; private final ImageView normal_img; public NormalViewHolder(final View itemView) { super(itemView); normal_title = itemView.findViewById(R.id.normal_title); normal_img = itemView.findViewById(R.id.normal_img); normal_img.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mOnItemClick != null){ mOnItemClick.onImageClick(v); } } }); } } class ImagesViewHolder extends RecyclerView.ViewHolder{ private final ImageView images01; private final ImageView images02; private final ImageView images03; private final TextView images_title; public ImagesViewHolder(View itemView) { super(itemView); images01 = itemView.findViewById(R.id.images01); images02 = itemView.findViewById(R.id.images02); images03 = itemView.findViewById(R.id.images03); images_title = itemView.findViewById(R.id.images_title); images01.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mOnItemClick != null){ mOnItemClick.onImageClick(v); } } }); images02.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mOnItemClick != null){ mOnItemClick.onImageClick(v); } } }); images03.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mOnItemClick != null){ mOnItemClick.onImageClick(v); } } }); } } //定义接口 interface OnItemClick{ void onImageClick(View view); void onItemClick(int position); } //定义接口对象 private OnItemClick mOnItemClick; //外部调用方法 public void setOnItemClick( OnItemClick onItemClick){ this.mOnItemClick = onItemClick; } //删除 public void deleteItem(int poistion){ list.remove(poistion); } }
SpacesItemDecoration类
package com.example.administrator.myapplication08; import android.graphics.Rect; import android.support.v7.widget.RecyclerView; import android.view.View; /** * Created by MSI on 2018/5/28. */ public class SpacesItemDecoration extends RecyclerView.ItemDecoration { private int space; public SpacesItemDecoration(int space) { this.space = space; } @Override public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) { outRect.left = space; outRect.right = space; outRect.bottom = space; // Add top margin only for the first item to avoid double space between items if (parent.getChildPosition(view) == 0) outRect.top = space; } }
主页面布局
<?xml version="1.0" encoding="utf-8"?> <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" > <RelativeLayout android:layout_width="300dp" android:layout_height="50dp" android:id="@+id/linearLayout"> <ImageView android:layout_width="30dp" android:layout_height="30dp" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_centerVertical="true" android:layout_marginLeft="31dp" android:layout_marginStart="31dp" android:src="@drawable/a" /> <TextView android:id="@+id/textView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentEnd="true" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:layout_gravity="center" android:text="今 日 头 条" android:textSize="30dp" /> </RelativeLayout> <ImageView android:id="@+id/img" android:layout_width="40dp" android:layout_height="40dp" android:layout_marginTop="5dp" android:layout_alignParentEnd="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:layout_marginEnd="17dp" android:layout_marginRight="17dp" android:src="@drawable/b" /> <android.support.v7.widget.RecyclerView android:id="@+id/rv" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_below="@+id/linearLayout"></android.support.v7.widget.RecyclerView> </RelativeLayout>
图片布局
<?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:orientation="vertical"> <TextView android:id="@+id/images_title" android:layout_width="match_parent" android:layout_height="wrap_content" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginBottom="10dp" android:layout_marginTop="10dp" android:orientation="horizontal"> <ImageView android:id="@+id/images01" android:layout_width="0dp" android:layout_height="100dp" android:layout_weight="1" android:src="@mipmap/ic_launcher" /> <ImageView android:id="@+id/images02" android:layout_width="0dp" android:layout_height="100dp" android:layout_weight="1" android:src="@mipmap/ic_launcher" /> <ImageView android:id="@+id/images03" android:layout_width="0dp" android:layout_height="100dp" android:layout_weight="1" android:src="@mipmap/ic_launcher" /> </LinearLayout> <TextView android:layout_width="wrap_content" android:layout_height="0dp" android:layout_gravity="right" android:layout_weight="1" android:gravity="center" android:text="1256评论 120赞" /> </LinearLayout>
第二个布局
<?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="100dp" android:orientation="horizontal"> <ImageView android:id="@+id/normal_img" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" /> <LinearLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="3" android:orientation="vertical"> <TextView android:id="@+id/normal_title" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" /> <TextView android:layout_width="wrap_content" android:layout_height="0dp" android:layout_gravity="right" android:layout_weight="1" android:gravity="center" android:text="1256评论 120赞" /> </LinearLayout> </LinearLayout>
清单文件中要添加网络权限
依赖
//okhttp依赖 implementation 'com.squareup.okhttp3:okhttp:3.6.0' implementation 'com.squareup.okio:okio:1.11.0' implementation 'com.squareup.okhttp3:logging-interceptor:3.6.0' implementation 'com.github.bumptech.glide:glide:4.3.1' annotationProcessor 'com.github.bumptech.glide:compiler:4.3.1' implementation 'com.youth.banner:banner:1.4.10' //recycleview依赖 implementation 'com.android.support:recyclerview-v7:26.1.0' implementation files('libs/universal-image-loader-1.9.5.jar') implementation files('libs/gson-2.8.0.jar')