Merge "Add SdkExtensions class" (0899f50b) · Commits · e / os / android_frameworks_base

Android.bp

+6 −0

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		@@ -561,6 +561,12 @@ filegroup {
		],
		}

		java_library {
		name: "framework-annotations-lib",
		srcs: [ ":framework-annotations" ],
		sdk_version: "current",
		}

		filegroup {
		name: "framework-networkstack-shared-srcs",
		srcs: [

apex/sdkext/Android.bp

+1 −0

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		@@ -15,6 +15,7 @@
		apex {
		name: "com.android.sdkext",
		manifest: "manifest.json",
		java_libs: [ "framework-sdkext" ],
		key: "com.android.sdkext.key",
		certificate: ":com.android.sdkext.certificate",
		}

apex/sdkext/framework/Android.bp

+9 −0

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		@@ -19,3 +19,12 @@ filegroup {
		],
		path: "java",
		}

		java_library {
		name: "framework-sdkext",
		srcs: [ ":framework-sdkext-sources" ],
		sdk_version: "system_current",
		libs: [ "framework-annotations-lib" ],
		permitted_packages: [ "android.os.ext" ],
		installable: true,
		}

apex/sdkext/framework/java/android/os/ext/SdkExtensions.java

0 → 100644

+53 −0

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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.os.ext;

		import android.annotation.IntDef;
		import android.os.Build.VERSION_CODES;
		import android.os.SystemProperties;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		/** @hide */
		public class SdkExtensions {

		private static final int R_EXTENSION_INT;
		static {
		R_EXTENSION_INT = SystemProperties.getInt("persist.com.android.sdkext.sdk_info", 0);
		}

		/** Values suitable as parameters for {@link #getExtensionVersion(int)}. */
		@IntDef(value = { VERSION_CODES.R })
		@Retention(RetentionPolicy.SOURCE)
		public @interface SdkVersion {}

		/**
		* Return the version of the extension to the given SDK.
		*
		* @param sdk the SDK version to get the extension version of.
		* @see SdkVersion
		* @throws IllegalArgumentException if sdk is not an sdk version with extensions
		*/
		public static int getExtensionVersion(@SdkVersion int sdk) {
		if (sdk < VERSION_CODES.R) {
		throw new IllegalArgumentException();
		}
		return R_EXTENSION_INT;
		}

		}

apex/sdkext/framework/java/android/os/ext/package.html

0 → 100644

+5 −0

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		<HTML>
		<BODY>
		Provides APIs to interface with the SDK extensions.
		</BODY>
		</HTML>