注解javademo演示

package com.wzgiceman.interfacetest; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; import com.wzgiceman.entity.Ety; import com.wzgiceman.ov.ChildClass; import com.wzgiceman.ov.SuperClass; import java.lang.reflect.Method; import butterknife.BindView; import butterknife.ButterKnife; import butterknife.OnClick; public class MainActivity extends AppCompatActivity { @BindView(R.id.tv) TextView mTv; @Ety(value = "v", name = "n") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this); } @OnClick(value = R.id.btn_test) void onBtnTestClick(View view) { Method[] methods = getClass().getDeclaredMethods(); for (Method method : methods) { if (method.isAnnotationPresent(Ety.class)) { Ety ety = method.getAnnotation(Ety.class); mTv.append(ety.name()+"---->"+ety.value()); } } } @OnClick(value = R.id.btn_ov) void onBtnOvClick(View view) { SuperClass superClass=new ChildClass(); superClass.mothead(); } @SuppressWarnings({"deprecation"}) public void waning(){ } }