add

app/src/main/java/com/wuxiaolong/androidmvpsample/mvp/MvpActivity.java

@@ -0,0 +1,26 @@
+package com.wuxiaolong.androidmvpsample.mvp;
+
+import android.os.Bundle;
+
+import com.wuxiaolong.androidmvpsample.ui.BaseActivity;
+
+
+public abstract class MvpActivity<P extends BasePresenter> extends BaseActivity {
+    protected P mvpPresenter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        mvpPresenter = createPresenter();
+        super.onCreate(savedInstanceState);
+    }
+
+    protected abstract P createPresenter();
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (mvpPresenter != null) {
+            mvpPresenter.detachView();
+        }
+    }
+}