org.robovm.objc.annotation.IBAction Maven / Gradle / Ivy
/*
* Copyright (C) 2012 - 2015 RoboVM AB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.robovm.objc.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Used to mark a class method as an Objective-C method compliant with a Xcode
* interface builder action. The method must have exactly zero, one or two
* arguments, with the first argument (if any) being of type {@code NSObject}
* or any subtype, and the second argument (if any) being of type
* {@code UIEvent}.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface IBAction {
/**
* The name of the Objective-C selector this action binds to. If not
* specified the selector will be derived from the name of the method. If
* the method takes a {@code UIEvent} as second parameter the selector will
* default to {@code :withEvent:}
*/
String selector() default "";
}