안드로이드 MVP 무작정 따라하기 - 1

1. Presenter
   

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• MainPresenter.java
  

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publicclassMainPresenter {       //보여주는곳     publicinterfacview {         voidButtonClick(); //버튼 클릭시     }       //기능작동     interfacepresenter {         StringshowMsg(); //토스트 메세지 보여주기         StringsetMsg(); //토스트 메세지 내용 설정     }     }

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• ButtonService.java
  

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public class ButtonService implements MainPresenter.presenter {       privateButtonClick buttonClick;       publicButtonService(ButtonClick buttonClick) {         thi.buttonClick=buttonClick;     }         @Override     publicStringshowMsg() {         returnsetMsg();     }       @Override     publicStringsetMsg() {         buttonClick=newButtonClick("Hello MVP!");         returnbuttonClick.getMsg();     } }

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2. Model
   

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• ButtonClick.java
  

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publicclassButtonClick {       privateString msg;       public ButtonClick(String msg) {         this.msg=msg;     }       publicStringgetMsg() {         returnmsg;     }       publicvoidsetMsg(String msg) {         this.msg=msg;     } }

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3. Activity
   

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• MainActivity.java
  

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publicclassMainActivityextendsAppCompatActivityimplementsMainPresenter.view {       publicButtonService buttonService;     publicButtonClick buttonClick;       publicButton button;       @Override    protectedvoidonCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         buttonService=newButtonService(buttonClick);           button=(Button) findViewById(R.id.button);         button.setOnClickListener(new View.OnClickListener() {          @Override             publicvoidonClick(View view) {                 ButtonClick();             }         });     }       @Override   publicvoidButtonClick() {         Toast.makeText(this, buttonService.showMsg(), Toast.LENGTH_SHORT).show();     } }

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4. 출력화면

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