在android中显示json数据？

implementation 'com.google.code.gson:gson:2.8.9'

{
  "users": [
    {"name": "Alice", "age": 25},
    {"name": "Bob", "age": 30}
  ]
}

try {
    JSONObject root = new JSONObject(jsonString);
    JSONArray users = root.getJSONArray("users");
    for (int i = 0; i < users.length(); i++) {
        JSONObject user = users.getJSONObject(i);
        String name = user.getString("name");
        int age = user.getInt("age");
        // 处理数据...
    }
} catch (JSONException e) {
    e.printStackTrace();
}

public class User {
    String name;
    int age;
}

public class UserList {
    List<User> users;
}

UserList userList = new Gson().fromJson(jsonString, UserList.class);
for (User user : userList.users) {
    Log.d("User", user.name + " - " + user.age);
}

public class UserAdapter extends RecyclerView.Adapter<UserAdapter.ViewHolder> {
    private List<User> users;

    public UserAdapter(List<User> users) {
        this.users = users;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.item_user, parent, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        holder.name.setText(users.get(position).name);
        holder.age.setText(String.valueOf(users.get(position).age));
    }

    static class ViewHolder extends RecyclerView.ViewHolder {
        TextView name, age;
        ViewHolder(View itemView) {
            super(itemView);
            name = itemView.findViewById(R.id.name);
            age = itemView.findViewById(R.id.age);
        }
    }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android">
    <TextView android:id="@+id/name" android:layout_width="wrap_content"/>
    <TextView android:id="@+id/age" android:layout_width="wrap_content"/>
</LinearLayout>

RecyclerView recyclerView = findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.setAdapter(new UserAdapter(userList.users));