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Android Afinal框架学习(二) FinalActivity 一个IOC框架
框架地址:https://github.com/yangfuhai/afinal
对应的源码:
net.tsz.afinal.annotation.view.*
FinalActivity
FinalActivity是一个基础类,结合注解实现了,依赖注入(view的资源id,常用的监听器), 利用set方式注入
完全注解方式就可以进行UI绑定和事件绑定,无需findViewById和set event Listener
这个过程:initInjectedView>findViewById、setListener(activity, activity.field, eventLocalMethod, eventType)>
1.根据id得到view对象,设置到activity对应的field中
2. switch(eventType) {
case event:
view.set event listener(new EventListener(activity, eventLocalMethod));
EventListener implements many event listener>
在对应的event的重写方法中,反射调用eventLocalMethod
这些eventLocalMethod 的参数需要与 对应的系统 event method 的参数一致
...
}
注解有哪些类型:
@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface ViewInject { public int id(); public String click() default ""; public String longClick() default ""; public String itemClick() default ""; public String itemLongClick() default ""; public Select select() default @Select(selected="") ; }
调用注解:
package com.stone.afinal; import net.tsz.afinal.FinalActivity; import net.tsz.afinal.annotation.view.Select; import net.tsz.afinal.annotation.view.ViewInject; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ImageView; import android.widget.ListView; public class MainActivity extends FinalActivity { @ViewInject( id = R.id.imageview, click = "myClick", longClick = "myLongClick") ImageView imageview; @ViewInject( id = R.id.listview, click = "myClick", itemLongClick = "myItemLongClick", itemClick = "myItemClick", longClick = "myLongClick", select = @Select(selected="myItemSelected", noSelected="myNoSelected")) ListView listView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main);//继承FinalActivity,setContentView中初始化了 } public void myClick(View v) { System.out.println("--myClick--"); } public void myLongClick(View v) { System.out.println("--myLongClick--"); } public void myItemLongClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) { System.out.println("--myItemLongClick--"); } public void myItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { System.out.println("--myItemClick--"); } public void myItemSelected(AdapterView<?> arg0, View arg1, int arg2,long arg3) { System.out.println("--myItemSelected--"); } public void myNoSelected(AdapterView<?> arg0) { System.out.println("--myNoSelected--"); } }
在其他侵入式框架下使用(如ActionBarShelock)
protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(view); FinalActivity.initInjectedView(this); }
在Fragment中使用
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View viewRoot = inflater.inflate(R.layout.map_frame, container, false); FinalActivity.initInjectedView(this,viewRoot); }
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