Android MVP + 娉涘瀷锛屽疄鐜颁簡鍙嬪ソVP浜や簰鍙夾ctivity娼滃湪鐨勫唴瀛樻硠闇茬殑浼樺寲

Posted 2020-08-14

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銆€銆€Android MVP绮楁潵宸茬粡鏈夋鏃堕棿浜嗭紝鍦ㄩ」鐩腑鎴戜篃澶氬灏戝皯鐢ㄤ簡涓€浜涳紝涓嶅緱涓嶈浠ｇ爜浣跨敤杩欑妯″紡鍚庯紝鏉′緥纭疄娓呮櫚浜嗗ソ澶氾紝鏁翠釜娴佺▼鐪嬭捣鏉ユ湁鐐瑰悇鍙稿叾鑱岀殑鎰熻(鍙︿竴绉嶇殑java闈㈠悜瀵硅薄鐨勬柟寮?銆?/span>

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 1 import java.lang.ref.Reference;
 2 import java.lang.ref.WeakReference;
 3 
 4 public class Presenter <T>{
 5 
 6     private Reference<T> mReference = null;
 7     
 8     public void onAttach(T view){
 9         mReference = new WeakReference<T>(view);
10     };
11     
12     public boolean isAttach(){
13         return null != mReference && null != mReference.get();
14     }
15     
16     public void onDettach(){
17         if(null != mReference){
18             mReference.clear();
19             mReference = null;
20         }
21     };
22 }

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銆€銆€绱ф帴鐫€涓€璧锋潵鐪婤aseActivity

 1 public abstract class BaseActivity<V, T extends Presenter<V>> extends Activity{
 2 
 3     protected T mPresenter;
 4     
 5     @Override
 6     protected void onCreate(Bundle savedInstanceState) {
 7         super.onCreate(savedInstanceState);
 8         mPresenter = createPresener();
 9         mPresenter.onAttach((V) this);
10     }
11 
12     
13     @Override
14     protected void onDestroy() {
15         // TODO Auto-generated method stub
16         super.onDestroy();
17         mPresenter.onDettach();
18     }
19     
20     protected abstract T createPresener();
21 }

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