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/**
* Copyright (C) 2010-2015 eBusiness Information, Excilys Group
*
* 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.androidannotations.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* <p>
* Use on any native, {@link android.os.Parcelable Parcelable} or
* {@link java.io.Serializable Serializable} field in an {@link EActivity}
* annotated class to bind it with Android's extra.
* </p>
* <p>
* The annotation value is the key used for extra. If not set, the field name
* will be used as the key.
* </p>
* <p>
* When {@link Extra} is used, the intent builder will hold dedicated methods
* for each annotated fields.
* </p>
* <p>
* Your code related to injected extra should go in an {@link AfterInject}
* annotated method.
* </p>
* <p>
* Calling {@link android.app.Activity#setIntent(android.content.Intent)
* Activity#setIntent(Intent)} will automatically update the annotated extras.
* </p>
* <blockquote>
*
* Example :
*
* <pre>
* @EActivity
* public class MyActivity extends Activity {
*
* @Click
* void buttonClicked() {
* MyExtraActivity_.intent(this) //
* .myMessage("test") //
* .startActivity();
* }
* }
*
* @EActivity
* public class MyExtraActivity extends Activity {
*
* @Extra
* String myMessage;
*
* @AfterInject
* void init() {
* Log.d("AA", "extra myMessage = " + myMessage);
* }
* }
* </pre>
*
* </blockquote>
*
* @see AfterInject
* @see EActivity
*/
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.FIELD)
public @interface Extra {
/**
* The key of the injected extra.
*
* @return the key of the extra
*/
String value() default "";
}