<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="${relativePackage}.${activityClass}" >

    <Button
        android:id="@+id/bt"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="点我" />

</RelativeLayout>

public class MainActivity extends Activity implements OnClickListener {

	/**
	 * 按钮
	 */
	private Button bt = null;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		// 找到按钮
		bt = (Button) findViewById(R.id.bt);
		// 设置点击事件
		bt.setOnClickListener(this);
	}

	@Override
	public void onClick(View v) {
		Toast.makeText(this, "点我了", Toast.LENGTH_LONG).show();
	}

}

public class MainActivity extends Activity {

	/**
	 * 按钮
	 */
	@Injection(value = R.id.bt,click = "clickView")
	private Button bt = null;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		//让注解起作用
		ViewInjectionUtil.injectView(this);
	}
	
	public void clickView() {
		Toast.makeText(this, "点我了,用了注解框架", Toast.LENGTH_LONG).show();
	}

}

@Injection(value = R.id.bt,click = "clickView")

//让注解起作用
ViewInjectionUtil.injectView(this);

/**
 * 运行时期有效,和针对的是字段
 * 
 * @author xiaojinzi
 *
 */
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface Injection {

	/**
	 * 字段对应布局文件的id
	 * 
	 * @return
	 */
	int value();

	/**
	 * 点击事件
	 * @return
	 */
	String click() default "";

	/**
	 * 长按的点击事件
	 * @return
	 */
	String longClick() default "";

}

/**
* 对activity中的字段进行注入
*
* @param act
*/
public static void injectView(Activity act) {
        // 获取这个activity中的所有字段
        Field[] fields = act.getClass().getDeclaredFields();

        for (int i = 0; i < fields.length; i++) {
                // 循环拿到每一个字段
                Field field = fields[i];
                if (field.isAnnotationPresent(Injection.class)) { // 如果这个字段有注入的注解
                        // 获取注解对象
                        Injection injection = field.getAnnotation(Injection.class);
                        int value = injection.value();
                        field.setAccessible(true); // 即使私有的也可以设置数据
                        Object view = null;
                        try {
                                view = act.findViewById(value);
                                // 设置字段的属性
                                field.set(act, view);
                        } catch (Exception e) {
                                e.printStackTrace();
                                L.s(TAG, "注入属性失败：" + field.getClass().getName() + ":" + field.getName());
                        }

                        try {
                                if (view instanceof View) {
                                        View v = (View) view;
                                        // 获取点击事件的触发的方法名称
                                        String methodName = injection.click();
                                        EventListener eventListener = null;
                                        // 如果不是空字符串
                                        if (!"".equals(methodName)) {
                                                eventListener = new EventListener(act);
                                                // 设置点击事件
                                                v.setOnClickListener(eventListener);
                                                eventListener.setClickMethodName(methodName);
                                        }
                                        methodName = injection.longClick();
                                        if (!"".equals(methodName)) {
                                                if (eventListener == null) {
                                                        eventListener = new EventListener(act);
                                                }
                                                // 设置点击事件
                                                v.setOnLongClickListener(eventListener);
                                                eventListener.setLongClickMethodName(methodName);
                                        }
                                }
                                } catch (Exception e) {
                                        e.printStackTrace();
                                }

                        }
                }
}

/**
 * Created by cxj on 2016/1/21.
 * 
 * @author 小金子
 */
public class EventListener implements View.OnClickListener, View.OnLongClickListener {

	/**
	 * 类的标识
	 */
	private String tag = "EventListener";

	/**
	 * 设置是否有日志的输出
	 */
	private boolean isLog = false;

	/**
	 * 反射中要被调用方法的对象,通过构造方法进来
	 */
	private Object receiver = null;

	/**
	 * 点击事件的方法名字
	 */
	private String clickMethodName = "";

	/**
	 * 长按事件的方法的名字
	 */
	private String longClickMethodName = "";

	/**
	 * 设置点击事件的方法名字
	 *
	 * @param clickMethodName
	 */
	public void setClickMethodName(String clickMethodName) {
		this.clickMethodName = clickMethodName;
	}

	/**
	 * 设置长按的点击事件的方法的名字
	 *
	 * @param longClickMethodName
	 */
	public void setLongClickMethodName(String longClickMethodName) {
		this.longClickMethodName = longClickMethodName;
	}

	/**
	 * 构造函数
	 * 
	 * @param receiver
	 *            控件所在的activity或者Fragment
	 */
	public EventListener(Object receiver) {
		this.receiver = receiver;
	}

	@Override
	public void onClick(View v) {
		Method method = null;
		try {
			method = receiver.getClass().getMethod(clickMethodName);
			if (method != null) {
				// 调用该方法
				method.invoke(receiver);
			}
		} catch (Exception e) {
			if (isLog)
				L.s(tag, "寻找无参数列表的方法:" + clickMethodName + "失败");
		}
		try {
			if (method == null) {
				method = receiver.getClass().getMethod(clickMethodName, View.class);
				if (method != null) {
					method.invoke(receiver, v);
				}
			}
		} catch (Exception e) {
			if (isLog)
				L.s(tag, "寻找带有View类型参数的方法:" + clickMethodName + "失败");
		}
	}

	@Override
	public boolean onLongClick(View v) {
		Method method = null;
		try {
			method = receiver.getClass().getMethod(longClickMethodName);
			if (method != null) {
				// 调用该方法
				method.invoke(receiver);
			}
		} catch (Exception e) {
			if (isLog)
				L.s(tag, "寻找无参数列表的方法:" + longClickMethodName + "失败");
		}
		try {
			if (method == null) {
				method = receiver.getClass().getMethod(longClickMethodName, View.class);
				if (method != null) {
					method.invoke(receiver, v);
				}
			}
		} catch (Exception e) {
			if (isLog)
				L.s(tag, "寻找带有View类型参数的方法:" + longClickMethodName + "失败");
		}
		return true;
	}

}