本文实例为大家分享了Android实现多条目加载展示的具体代码,供大家参考,具体内容如下
展示效果
这里写图片描述
依赖
testCompile 'junit:junit:4.12'
compile 'com.hjm:BottomTabBar:1.1.1'
compile 'com.android.support:design:23.4.0'
compile 'com.android.support:mediarouter-v7:25.0.0'
compile 'com.android.support:appcompat-v7:25.0.0'
compile 'com.android.support:recyclerview-v7:25.0.0'
compile 'com.jcodecraeer:xrecyclerview:1.3.2'
compile 'com.squareup.okio:okio:1.5.0'
compile 'com.squareup.okhttp3:okhttp:3.2.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.4.1'
compile files('libs/gson-2.3.1.jar')
compile files('libs/universal-image-loader-1.9.3.jar')
compile 'com.youth.banner:banner:1.4.9'
compile 'com.github.bumptech.glide:glide:3.7.0'
添加配置
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.VIBRATE" />
代码区
ZhuyeActivity(首页布局含TabLayout)
public class ZhuyeActivity extends AppCompatActivity {
private ViewPager viewpager;
private TabLayout tablayout;
private FragmentAdapter adapter;
private List<Fragment> fragments;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_zhuye);
viewpager=(ViewPager)findViewById(R.id.viewpager);
tablayout=(TabLayout)findViewById(R.id.tablayout);
fragments=new ArrayList<Fragment>();
OneFragment oneFragment = new OneFragment();
TwoFragment twoFragment = new TwoFragment();
ThreeFragment threeFragment = new ThreeFragment();
FourFragment fourFragment = new FourFragment();
fragments.add(oneFragment);
fragments.add(twoFragment);
fragments.add(threeFragment);
fragments.add(fourFragment);
adapter = new FragmentAdapter(getSupportFragmentManager(),fragments);
viewpager.setAdapter(adapter);
tablayout.setupWithViewPager(viewpager);
}
}
activity_zhuye(首页布局xml文件)
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_zhuye"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="test.bwie.com.ykmn.ZhuyeActivity">
<RelativeLayout
android:id="@+id/app_top"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorPrimaryDark"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="首页"
android:textSize="25dp"
android:textColor="@color/colorBai"
android:layout_centerInParent="true"
/>
</RelativeLayout>
<android.support.design.widget.TabLayout
android:layout_width="match_parent"
android:layout_height="40dp"
android:id="@+id/tablayout"
android:layout_below="@id/app_top"
>
</android.support.design.widget.TabLayout>
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/viewpager"
android:layout_below="@id/tablayout"
/>
</RelativeLayout>
OneFragment(首页以第一个fragment 里面的API是自行供应的接口)
public class OneFragment extends Fragment {
private XRecyclerView xr;
private List<String> list = new ArrayList<>();
//获取数据的开始
private int curr;
private XRAdapter adapter;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.y1, null, false);
//初始化xr控件
xr=(XRecyclerView)view.findViewById(R.id.xre_xrv);
//加布局管理器
LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
xr.setLayoutManager(layoutManager);
getData(API.TYPE_HOME,1);
xr.setLoadingListener(new XRecyclerView.LoadingListener() {
/*下拉刷新*/
@Override
public void onRefresh() {
curr=0;
list.clear();
getData(API.TYPE_HOME,curr);
xr.refreshComplete();
}
/*上拉加载*/
@Override
public void onLoadMore() {
/*curr++;
getData(API.TYPE_HOME,curr);
xr.refreshComplete();*/
// xr.loadMoreComplete();
}
});
return view;
}
private void getData(String url,int curr){
OkHttp3Utils.getInstance().doGet(url, new GsonObjectCallback<MyGsonFr>() {
@Override
public void onUi(MyGsonFr myGsonFr) {
XRAdapter mxradapter=new XRAdapter(getActivity(),myGsonFr.getTop_stories());
xr.setAdapter(mxradapter);
}
@Override
public void onFailed(Call call, IOException e) {
}
});
}
}
y1(OneFragment的布局代码xml)
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<com.jcodecraeer.xrecyclerview.XRecyclerView
android:id="@+id/xre_xrv"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
</com.jcodecraeer.xrecyclerview.XRecyclerView>
</RelativeLayout>
XRAdapter(适配器对条目)
public class XRAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
List<MyGsonFr.TopStoriesBean> lists;
Context mcontext;
ArrayList mlist;
private enum Item_Type{
Typeone,Typetwo,Typethree,Typefour,Typefive,Typesix,Typeseven;
}
//创建适配器有参构造
public XRAdapter(Context mcontext, List<MyGsonFr.TopStoriesBean> data) {
this.lists = data;
this.mcontext = mcontext;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
if(viewType==Item_Type.Typeone.ordinal()){
View mView = LayoutInflater.from(mcontext).inflate(R.layout.recycle_item_a, null);
ViewHolderA viewHolder = new ViewHolderA(mView);
return viewHolder;
}else if(viewType==Item_Type.Typetwo.ordinal()){
View mView = LayoutInflater.from(mcontext).inflate(R.layout.recycle_item_b, null);
ViewHolderB viewHolder = new ViewHolderB(mView);
return viewHolder;
}
return null;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
if (holder instanceof ViewHolderA){
mlist=new ArrayList();
for (int i=0;i<lists.size();i++){
mlist.add(lists.get(i).getImage());
}
//设置图片加载器
((ViewHolderA)holder).mbanner.setImageLoader(new GlideImageLoader());
((ViewHolderA)holder).mbanner.setImages(mlist);
((ViewHolderA)holder).mbanner.start();
}else if(holder instanceof ViewHolderB){
mlist=new ArrayList();
for (int i=0;i<lists.size();i++){
mlist.add(lists.get(i).getImage());
}
((ViewHolderB)holder).re.setLayoutManager(new LinearLayoutManager(mcontext));
((ViewHolderB)holder).re.setAdapter(new ViewHolderBa(lists,mcontext));
}
}
@Override
public int getItemCount() {
return 2;
}
@Override
public int getItemViewType(int position) {
if(position==0){
return Item_Type.Typeone.ordinal();
}else if(position==1){
return Item_Type.Typetwo.ordinal();
}
return -1;
}
class ViewHolderA extends RecyclerView.ViewHolder{
private Banner mbanner;
public ViewHolderA(View itemView) {
super(itemView);
mbanner=(Banner)itemView.findViewById(R.id.mybanner);
}
}
class ViewHolderB extends RecyclerView.ViewHolder{
private RecyclerView re;
public ViewHolderB(View itemView) {
super(itemView);
re = (RecyclerView) itemView.findViewById(R.id.id_recyclerview);
}
}
}
recycle_item_a(banner轮播xml)
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="150dp">
<com.youth.banner.Banner
android:id="@+id/mybanner"
android:layout_width="match_parent"
android:layout_height="150dp">
</com.youth.banner.Banner>
</LinearLayout>
recycle_item_a(Recyclerview布局xml)
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
android:id="@+id/id_recyclerview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>
ViewHolderBa(Recyclerview小适配器)
public class ViewHolderBa extends RecyclerView.Adapter<ViewHolderBa.MyViewHolder>{
List<MyGsonFr.TopStoriesBean> lists;
Context mc;
public ViewHolderBa(List<MyGsonFr.TopStoriesBean> lists, Context mc) {
this.lists = lists;
this.mc = mc;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
MyViewHolder holder = new MyViewHolder(LayoutInflater.from(mc).inflate(R.layout.item_home, parent, false));
return holder;
}
@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
holder.tv.setText(lists.get(position).getTitle());
ImageLoader instance = ImageLoader.getInstance();
instance.displayImage(lists.get(position).getImage(),holder.img);
}
@Override
public int getItemCount() {
return lists.size();
}
class MyViewHolder extends RecyclerView.ViewHolder {
TextView tv;
ImageView img;
public MyViewHolder(View view) {
super(view);
tv = (TextView) view.findViewById(R.id.text_a1);
img = (ImageView) view.findViewById(R.id.img_a1);
}
}
}
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