base的封装

最新推荐文章于 2020-11-10 15:41:21 发布

lxrlxr888

最新推荐文章于 2020-11-10 15:41:21 发布

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本文链接：https://blog.youkuaiyun.com/lxrlxr888/article/details/79056204

本文详细介绍了MVP(Model-View-Presenter)架构模式的具体实现方式，通过一个具体的Java示例展示了如何在Android应用中实现MVP模式。文章重点讨论了Presenter、View和Model三者之间的交互，以及如何通过抽象类和接口来实现松耦合的设计。

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public class MainActivity extends BaseMvpActivity<IView,MyPresenter>{

    @Override
    protected MyPresenter initpresenter() {
        return new MyPresenter();
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
         initpresenter().getData();
    }
}

public  abstract class BaseMvpActivity <V,T extends BasePresenter<V>>extends IActivity{

    private T initpresenter;

    protected abstract T initpresenter();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        initpresenter = initpresenter();
    }
    //绑定资源

    @Override
    protected void onResume() {
        super.onResume();
        initpresenter.attach((V)this);
    }

    //释放资源

    @Override
    protected void onDestroy() {
        super.onDestroy();
        initpresenter.destory();
    }

public abstract class BasePresenter<T> {

    private T view;

    public  void attach(T view) {
        this.view=view;
    }

    public  void destory() {
        this.view=null;
    }
}

public class IActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_i);
    }
}

public interface IView {
}

class MyModel {
    public void getData() {

    }
}