Android 使用哪些架构模式 [关闭]

Android开发中常用的架构模式有MVC、MVP和MVVM。在这三种模式中，MVC是最早被广泛应用的模式，而MVP和MVVM则是对MVC的改进和优化。

java
// Model
public class UserModel {
    private String name;
    private int age;
    public UserModel(String name, int age) {
        this.name = name;
        this.age = age;
    }
    // 省略getter和setter
}
// View
public interface UserView {
    void showUserInfo(String name, int age);
}
// Controller
public class UserController {
    private UserView userView;
    private UserModel userModel;
    public UserController(UserView userView, UserModel userModel) {
        this.userView = userView;
        this.userModel = userModel;
    }
    public void updateUserInfo(String name, int age) {
        userModel.setName(name);
        userModel.setAge(age);
        userView.showUserInfo(userModel.getName(), userModel.getAge());
    }
}

java
// Model
public class UserModel {
    private String name;
    private int age;
    public UserModel(String name, int age) {
        this.name = name;
        this.age = age;
    }
    // 省略getter和setter
}
// View
public interface UserView {
    void showUserInfo(String name, int age);
}
// Presenter
public class UserPresenter {
    private UserView userView;
    private UserModel userModel;
    public UserPresenter(UserView userView, UserModel userModel) {
        this.userView = userView;
        this.userModel = userModel;
    }
    public void updateUserInfo(String name, int age) {
        userModel.setName(name);
        userModel.setAge(age);
        userView.showUserInfo(userModel.getName(), userModel.getAge());
    }
}

java
// Model
public class UserModel {
    private String name;
    private int age;
    public UserModel(String name, int age) {
        this.name = name;
        this.age = age;
    }
    // 省略getter和setter
}
// ViewModel
public class UserViewModel {
    private MutableLiveData name = new MutableLiveData<>();
    private MutableLiveData age = new MutableLiveData<>();
    public void updateUserInfo(String name, int age) {
        this.name.setValue(name);
        this.age.setValue(age);
    }
    public LiveData getName() {
        return name;
    }
    public LiveData getAge() {
        return age;
    }
}
// View
public class UserActivity extends AppCompatActivity {
    private ActivityUserBinding binding;
    private UserViewModel viewModel;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = DataBindingUtil.setContentView(this, R.layout.activity_user);
        viewModel = new UserViewModel();
        binding.setViewModel(viewModel);
        binding.setLifecycleOwner(this);
    }
}