在Android中,可循环视图通常指的是RecyclerView,它是一种用于展示大量数据集合的高效方式。下面是创建一个简单的可循环视图的解决方法,包含代码示例:
implementation 'androidx.recyclerview:recyclerview:1.2.0'
public class Item {
private String name;
public Item(String name) {
this.name = name;
}
public String getName() {
return name;
}
}
public class ItemAdapter extends RecyclerView.Adapter {
private List- items;
public ItemAdapter(List
- items) {
this.items = items;
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
Item item = items.get(position);
holder.nameTextView.setText(item.getName());
}
@Override
public int getItemCount() {
return items.size();
}
public static class ViewHolder extends RecyclerView.ViewHolder {
public TextView nameTextView;
public ViewHolder(@NonNull View itemView) {
super(itemView);
nameTextView = itemView.findViewById(R.id.nameTextView);
}
}
}
public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private ItemAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
recyclerView = findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
List- items = new ArrayList<>();
items.add(new Item("Item 1"));
items.add(new Item("Item 2"));
items.add(new Item("Item 3"));
adapter = new ItemAdapter(items);
recyclerView.setAdapter(adapter);
}
}
以上代码示例了如何创建一个简单的可循环视图。你可以根据自己的需求进行修改和扩展。