Android实现点击切换视图并跳转传值

1，mainactivity的xml布局
<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android=""
    xmlns:app=""
    xmlns:tools=""
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".mainactivity">

   <com.example.tiamo.weeklianxi.view.headview
       android:id="@+id/headview"
       android:layout_width="match_parent"
       android:layout_height="wrap_content">

   </com.example.tiamo.weeklianxi.view.headview>
    <linearlayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        >
        <button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
        <button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
        <button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
        <button
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
    </linearlayout>

<com.jcodecraeer.xrecyclerview.xrecyclerview
    android:id="@+id/xresycle"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

</com.jcodecraeer.xrecyclerview.xrecyclerview>

</linearlayout>
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2.mainactivity
public class mainactivity extends appcompatactivity implements iview {

private ipersenterimpl ipersenter;
string path ="searchproducts";
private xrecyclerview xrecyclerview;
headview headview;
private beanadapter adapter;
private int page;
private boolean islinear = true;
private object message;

@override
protected void oncreate(bundle savedinstancestate) {
    super.oncreate(savedinstancestate);
    setcontentview(r.layout.activity_main);
    ipersenter = new ipersenterimpl(this);
    page = 1;
    init();
    //注册
    eventbus.getdefault().register(this);

}

private void init() {
    xrecyclerview = findviewbyid(r.id.xresycle);
    headview = findviewbyid(r.id.headview);

    //点击头部进行切换
    headview.setonclick(new headview.onclick() {
        @override
        public void click() {
            list<goodsbean.databean> data = adapter.getdata();
            changeligr();
            adapter.setdata(data);
        }
    });
    //改变头部文字重新请求
    headview.setgetedtext(new headview.getedtext() {
        @override
        public void getname(string name) {
            page = 1;
            initdata(name,page);
        }
    });

    //刷新加载
    xrecyclerview.setloadingmoreenabled(true);
    xrecyclerview.setpullrefreshenabled(true);
    changeligr();
    xrecyclerview.setloadinglistener(new xrecyclerview.loadinglistener() {
        @override
        public void onrefresh() {
            page = 1;
            initdata(message+"",page);
        }

        @override
        public void onloadmore() {
            initdata(message+"",page);
        }
    });

}
//改变状态
private void changeligr(){
    if (islinear){
        linearlayoutmanager layoutmanager = new linearlayoutmanager(this);
        layoutmanager.setorientation(linearlayoutmanager.vertical);
        xrecyclerview.setlayoutmanager(layoutmanager);
    }else{
        gridlayoutmanager manager = new gridlayoutmanager(this,2);
        manager.setorientation(linearlayoutmanager.vertical);
        xrecyclerview.setlayoutmanager(manager);
    }
    adapter = new beanadapter(this,islinear);
    xrecyclerview.setadapter(adapter);
    adapter.setonclick(new beanadapter.onclick() {
        @override
        public void click(int pid) {
            intent intent = new intent(mainactivity.this,loginactivity.class);
            intent.putextra("pid",pid);
            startactivity(intent);
        }
    });
    //状态反选
    islinear = !islinear;
}

//请求
private void initdata(string name,int page) {
    map<string,string> pamars = new hashmap<>();
    pamars.put("keywords",name);
    pamars.put("page",page+"");
    ipersenter.showrequestdata(path,pamars,goodsbean.class);
}

//得到粘性事件
@subscribe(threadmode = threadmode.main,sticky = true)
public void getname(eventbusbean eventbusbean){
    if (eventbusbean.getid() == 1) {
        message = eventbusbean.getmessage();
        initdata(eventbusbean.getmessage().tostring(), page);
    }
}

@override
public void startrequestdata(object data) {
    if (data instanceof goodsbean){
        goodsbean bean = (goodsbean) data;
        if (page == 1){
            adapter.setdata(bean.getdata());
        }else{
            adapter.adddata(bean.getdata());
        }
        page++;
        xrecyclerview.refreshcomplete();
        xrecyclerview.loadmorecomplete();;
    }
}

//解绑
@override
protected void ondestroy() {
    super.ondestroy();
    ipersenter.ondestory();
    eventbus.getdefault().unregister(this);
}
}

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