//显示线性垂直 LinearLayoutManager linearLayoutManager=new LinearLayoutManager( this); // linearLayoutManager . setOrientation(RecyclerView. HORIZONTAL); oneRecyclerView. setLayoutManager(linearLayoutManager); // 通过setAdapter()的方法将适配器HomeAdapter的对象设置到RecycleView控件上。 oneAdapter=new HomeAdapter(); oneRecyclerView. setAdapter (oneAdapter); //显示线性垂直 // linearLayoutManager . setOrientation(RecyclerView.HORIZONTAL); twoRecyclerView. setLayoutManager(linearLayoutManager); // 通过setAdapter()的方法将适配器HomeAdapter的对象设置到RecycleView控件上。 twoAdapter=new HomeAdapter(); twoRecyclerView. setAdapter (twoAdapter);
时间: 2024-04-04 22:33:17 浏览: 98
这段代码是关于RecyclerView控件的显示设置和适配器设置的代码。其中,通过LayoutManager设置RecyclerView的布局方式,此处使用的是线性垂直布局;然后创建适配器并将其设置到RecyclerView控件上,这里使用的是HomeAdapter适配器。值得注意的是,同一个LayoutManager对象不能同时应用于多个RecyclerView控件,因此在设置第二个RecyclerView控件时需要重新创建一个新的LayoutManager对象。
相关问题
//显示线性垂直 LinearLayoutManager linearLayoutManager1=new LinearLayoutManager( this); linearLayoutManager1 . setOrientation(RecyclerView. HORIZONTAL); oneRecyclerView. setLayoutManager(linearLayoutManager1); // 通过setAdapter()的方法将适配器HomeAdapter的对象设置到RecycleView控件上。 oneAdapter=new HomeAdapter(); oneRecyclerView. setAdapter (oneAdapter); LinearLayoutManager linearLayoutManager2=new LinearLayoutManager( this); //显示线性垂直 linearLayoutManager2 . setOrientation(RecyclerView.VERTICAL); twoRecyclerView. setLayoutManager(linearLayoutManager2); // 通过setAdapter()的方法将适配器HomeAdapter的对象设置到RecycleView控件上。 twoAdapter=new HomeAdapter(); twoRecyclerView. setAdapter (twoAdapter);
这段代码与之前的代码相比,修改了第二个RecyclerView控件的布局方式。其中,第一个RecyclerView控件使用的是水平方向的线性布局,第二个RecyclerView控件使用的是垂直方向的线性布局。修改后的代码如下:
```
LinearLayoutManager linearLayoutManager1 = new LinearLayoutManager(this);
linearLayoutManager1.setOrientation(RecyclerView.HORIZONTAL);
oneRecyclerView.setLayoutManager(linearLayoutManager1);
oneAdapter = new HomeAdapter();
oneRecyclerView.setAdapter(oneAdapter);
LinearLayoutManager linearLayoutManager2 = new LinearLayoutManager(this);
linearLayoutManager2.setOrientation(RecyclerView.VERTICAL);
twoRecyclerView.setLayoutManager(linearLayoutManager2);
twoAdapter = new HomeAdapter();
twoRecyclerView.setAdapter(twoAdapter);
```
这样,第一个RecyclerView控件的布局方式为水平方向,第二个RecyclerView控件的布局方式为垂直方向。
LinearLayoutManager linearLayoutManager=new LinearLayoutManager( this); // linearLayoutManager . setOrientation(RecyclerView. HORIZONTAL); oneRecyclerView. setLayoutManager(linearLayoutManager); // 通过setAdapter()的方法将适配器HomeAdapter的对象设置到RecycleView控件上。 oneAdapter=new HomeAdapter(); oneRecyclerView. setAdapter (oneAdapter); LinearLayoutManager linearLayoutManager=new LinearLayoutManager( this); //显示线性垂直 // linearLayoutManager . setOrientation(RecyclerView.HORIZONTAL); twoRecyclerView. setLayoutManager(linearLayoutManager); // 通过setAdapter()的方法将适配器HomeAdapter的对象设置到RecycleView控件上。 twoAdapter=new HomeAdapter(); twoRecyclerView. setAdapter (twoAdapter);
这段代码存在一个问题,即在创建第二个LinearLayoutManager对象时,变量名和类型重复了,需要修改为不同的变量名。可以将第二个LinearLayoutManager对象改为如下:
```
LinearLayoutManager linearLayoutManager2 = new LinearLayoutManager(this);
linearLayoutManager2.setOrientation(RecyclerView.HORIZONTAL);
twoRecyclerView.setLayoutManager(linearLayoutManager2);
twoAdapter = new HomeAdapter();
twoRecyclerView.setAdapter(twoAdapter);
```
这样就可以正常设置第二个RecyclerView控件的布局方式和适配器了。
阅读全文