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/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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 android.annotation;
import static java.lang.annotation.ElementType.CONSTRUCTOR;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PACKAGE;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.SOURCE;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
/**
* Indicates an API that uses {@code context.getUser} or {@code context.getUserId}
* to operate across users (as the user associated with the context)
* <p>
* To create a {@link android.content.Context} associated with a different user,
* use {@link android.content.Context#createContextAsUser} or
* {@link android.content.Context#createPackageContextAsUser}
* <p>
* Example:
* <pre>{@code
* {@literal @}UserHandleAware
* public abstract PackageInfo getPackageInfo({@literal @}NonNull String packageName,
* {@literal @}PackageInfoFlags int flags) throws NameNotFoundException;
* }</pre>
* This method uses {@linkplain android.content.Context#getUser()} or
* {@linkplain android.content.Context#getUserId()} to execute across users.
*
* @hide
*/
@Retention(SOURCE)
@Target({TYPE, METHOD, CONSTRUCTOR, PACKAGE})
public @interface UserHandleAware {
/**
* Specifies the SDK version at which this method became {@literal @}UserHandleAware,
* if it was not always so.
*
* Prior to this level, the method is not considered {@literal @}UserHandleAware and therefore
* uses the {@link android.os#myUserHandle() calling user},
* not the {@link android.content.Context#getUser context user}.
*
* Note that when an API marked with this parameter is run on a device whose OS predates the
* stated version, the calling user will be used, since on such a
* device, the API is not {@literal @}UserHandleAware yet.
*/
int enabledSinceTargetSdkVersion() default 0;
/**
* Specifies the permission name required
* if the context user differs from the calling user.
*
* This requirement is in addition to any specified by
* {@link android.annotation.RequiresPermission}.
*
* @see android.annotation.RequiresPermission#value()
*/
String requiresPermissionIfNotCaller() default "";
/**
* Specifies a list of permission names where at least one is required
* if the context user differs from the calling user.
*
* This requirement is in addition to any specified by
* {@link android.annotation.RequiresPermission}.
*
* @see android.annotation.RequiresPermission#anyOf()
*/
String[] requiresAnyOfPermissionsIfNotCaller() default {};
/**
* Specifies a list of permission names where at least one is required if the context
* user is not in the same profile group as the calling user.
*
* This requirement is in addition to any specified by
* {@link android.annotation.RequiresPermission}.
*
* @see android.annotation.RequiresPermission#anyOf()
*/
String[] requiresAnyOfPermissionsIfNotCallerProfileGroup() default {};
}
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