java反射，用于GridView

[java]代码库

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;

public class FanShe {

    public static void main(String[] args) {
        ArrayList<PageItem> items2 = new ArrayList<PageItem>();
        items2.add(new PageItem("asdfasdf", 123, "showGoodPub"));

        int position = 0;
//      gridView.setOnItemClickListener(new OnItemClickListener() {
//          @Override
//          public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                items2.get(position).onClick();
//          }}
//      );
    }
}

class PageItem {

    public final String     itemText;
    public final int        itemImage;
    private final String    methodName;

    public PageItem(String itemText, int itemImage, String methodName) {
        this.itemText = itemText;
        this.itemImage = itemImage;
        this.methodName = methodName;
    }

    public void onClick() {
        try {
            Method m1 = UIHelper.class.getDeclaredMethod(methodName, Context.class);
            m1.invoke(UIHelper.class, new Context());

        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        } catch (SecurityException e) {
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        }
    }

}

class UIHelper {

    public static void showGoodPub(Context context) {
        context.startActivity("我炒尼吗");
    }

}

class Context {
    public void startActivity(String intent) {
        System.out.println(intent);
    }
}

//源代码片段来自云代码http://yuncode.net