recycleview瀑布和搜尋框
阿新 • • 發佈：2018-12-12
在drawable建立shape
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<corners android:radius="10dp"
/>
<solid android:color="#d1c8c8" />
</shape>
recycle佈局
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:orientation="vertical" android:layout_height="match_parent"> <android.support.v7.widget.SearchView android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@drawable/shape" /> <android.support.v7.widget.RecyclerView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/recycler"/> </LinearLayout>
item佈局
<?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"> <ImageView android:layout_width="150dp" android:layout_height="150dp" android:id="@+id/image" android:src="@mipmap/ic_launcher"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/name" android:text="111"/> </LinearLayout>
user類
package soexample.umeng.com.frag.bean; import java.util.List; /* * 瀑布 * */ public class RecyUser { /** * msg : 成功的返回 * code : 1 * data : [{"uniquekey":"1326bf3c4505783d4a964f81b6220e9d","title":"美國被特朗普坑慘了！又有3個鐵桿盟友公開唱對臺戲！","date":"2018-05-12 07:25","category":"頭條","author_name":"大國軍情","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屆戛納電影節：賈樟柯電影《江湖兒女》首映","date":"2018-05-12 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05:23","category":"頭條","author_name":"西安晚報","url":"http://mini.eastday.com/mobile/180512052309026.html","thumbnail_pic_s":"http://02.imgmini.eastday.com/mobile/20180512/20180512052309_d81eabc5f596d49d94d73f8b3fbc6a8c_1_mwpm_03200403.jpg"},{"uniquekey":"4aa30f5d94850ca14205845bc5847c5a","title":"\u201c竹簡\u201d寄情 感恩父母","date":"2018-05-12 05:15","category":"頭條","author_name":"大眾網","url":"http://mini.eastday.com/mobile/180512051537520.html","thumbnail_pic_s":"http://04.imgmini.eastday.com/mobile/20180512/20180512051537_1f79912ff681c7cc4a96a6f97f967479_1_mwpm_03200403.jpg"},{"uniquekey":"e491de85803b55c5412ad0fbb2346a87","title":"北京海運進出口貨物七成走天津","date":"2018-05-12 05:07","category":"頭條","author_name":"光明網","url":"http://mini.eastday.com/mobile/180512050734360.html","thumbnail_pic_s":"http://09.imgmini.eastday.com/mobile/20180512/20180512050734_de8eae16975f2ddf8223b7c549096c70_3_mwpm_03200403.jpg","thumbnail_pic_s02":"http://09.imgmini.eastday.com/mobile/20180512/20180512050734_de8eae16975f2ddf8223b7c549096c70_1_mwpm_03200403.jpg","thumbnail_pic_s03":"http://09.imgmini.eastday.com/mobile/20180512/20180512050734_de8eae16975f2ddf8223b7c549096c70_2_mwpm_03200403.jpg"},{"uniquekey":"2f2995abb898f94aeacecd6537013404","title":"生活中誘發痔瘡的五個原因不可忽略, 痔瘡的治療方法","date":"2018-05-12 04:56","category":"頭條","author_name":"鳳凰網","url":"http://mini.eastday.com/mobile/180512045657878.html","thumbnail_pic_s":"http://02.imgmini.eastday.com/mobile/20180512/20180512045657_15014004f9669c5aee78579be692dd66_1_mwpm_03200403.jpg","thumbnail_pic_s02":"http://02.imgmini.eastday.com/mobile/20180512/20180512045657_15014004f9669c5aee78579be692dd66_2_mwpm_03200403.jpg"}] */ private 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 : 美國被特朗普坑慘了！又有3個鐵桿盟友公開唱對臺戲！ * date : 2018-05-12 07:25 * category : 頭條 * author_name : 大國軍情 * 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; } } }
http層
public class RecyOkHttp {
private static final String METHOD_GET="GET";
private static OkHttpClient okHttpClient;
private RecyOkHttp() {
}
public static void init(){
OkHttpClient.Builder builder = new OkHttpClient.Builder();
builder.readTimeout(3000, TimeUnit.MILLISECONDS);
builder.writeTimeout(3000,TimeUnit.MILLISECONDS);
okHttpClient=builder.build();
}
public static Request request(String url,String method){
Request.Builder builder = new Request.Builder()
.url(url);
Request request=null;
switch (method){
case METHOD_GET:
request = builder.build();
break;
}
return request;
}
//非同步
public static void enenque(String url, Callback callback){
Request request = request(url, METHOD_GET);
Call call = okHttpClient.newCall(request);
call.enqueue(callback);
}
}
view層
public interface RecyView {
void onSuccess(String reuslt);
void onFailre(String msg);
}
presenter層
public class RecyPresenter {
private RecyView recyView;
private final RecyModel recyModel;
public RecyPresenter(RecyView recyView) {
this.recyView = recyView;
recyModel = new RecyModel();
}
public void recPre(String url){
recyModel.recyModel(url, new RecyModel.HttpData() {
@Override
public void getName(String name) {
if (name!=null){
recyView.onSuccess(name);
}else {
recyView.onFailre("失敗了");
}
}
});
}
}
RecyclerAdapter層
/*
* 瀑布介面卡
* */
public class RecyclerAdapter extends RecyclerView.Adapter{
private Context context;
private List<RecyUser.DataBean> list;
public RecyclerAdapter(Context context, List<RecyUser.DataBean> list) {
this.context=context;
this.list=list;
}
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(context).inflate(R.layout.recy_item, viewGroup, false);
RecyViewHolder recyViewHolder = new RecyViewHolder(view);
return recyViewHolder;
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
if (viewHolder instanceof RecyViewHolder){
((RecyViewHolder) viewHolder).name.setText(list.get(i).getAuthor_name());
Picasso.with(context).load(list.get(i).getThumbnail_pic_s03()).into(((RecyViewHolder) viewHolder).imageView);
}
if (i!=0){
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(((RecyViewHolder) viewHolder).imageView.getLayoutParams());
params.setMargins(0, 100, 0, 0);
((RecyViewHolder) viewHolder).imageView.setLayoutParams(params);
}else{
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(((RecyViewHolder) viewHolder).imageView.getLayoutParams());
params.setMargins(0, 20, 0, 0);
((RecyViewHolder) viewHolder).imageView.setLayoutParams(params);
}
}
@Override
public int getItemCount() {
return list==null?0:list.size();
}
class RecyViewHolder extends RecyclerView.ViewHolder{
private final TextView name;
private final ImageView imageView;
public RecyViewHolder(View itemView) {
super(itemView);
imageView = itemView.findViewById(R.id.image);
name = itemView.findViewById(R.id.name);
}
}
}
主頁面
public class frag1 extends Fragment implements RecyView{
private RecyclerView recyclerView;
private String url="http://www.xieast.com/api/news/news.php?page=1";
private List<RecyUser.DataBean> list;
private RecyPresenter recyPresenter;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.frag_item, container, false);
recyclerView = view.findViewById(R.id.recycler);
recyPresenter = new RecyPresenter(this);
recyPresenter.recPre(url);
return view;
}
@Override
public void onSuccess(String reuslt) {
Gson gson = new Gson();
RecyUser recyUser = gson.fromJson(reuslt, RecyUser.class);
list = recyUser.getData();
//設定佈局管理器
StaggeredGridLayoutManager staggeredGridLayoutManager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
recyclerView.setLayoutManager(staggeredGridLayoutManager);
//介面卡
RecyclerAdapter recyclerAdapter = new RecyclerAdapter(getActivity(),list);
recyclerView.setAdapter(recyclerAdapter);
}
@Override
public void onFailre(String msg) {
Toast.makeText(getContext(),"解析失敗", Toast.LENGTH_SHORT).show();
}
}
App類在清單檔案註冊 加許可權
public class App extends Application{
@Override
public void onCreate() {
super.onCreate();
RecyOkHttp.init();
FenOkHttp.init();
}
}