如何在Android中实现一个点击切换视图并跳转传值功能

本文章向大家介绍如何在Android中实现一个点击切换视图并跳转传值功能的基本知识点总结和需要注意事项，具有一定的参考价值，需要的朋友可以参考一下。

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1，MainActivity的xml布局

    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"
    android:orientation="vertical"
    tools:context=".MainActivity">

          android:id="@+id/headview"
       android:layout_width="match_parent"
       android:layout_height="wrap_content">

  
            android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        >
                    android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
                    android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
                    android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
                    android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="#fff"
            android:text="销量"
            />
   

    android:id="@+id/xresycle"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

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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 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 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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