Merge changes from topic... (8ddfeb06) · Commits · e / os / android_frameworks_base

core/java/android/os/HidlSupport.java

+7 −0

Original line number	Original line	Diff line number	Diff line
	@@ -218,6 +218,13 @@ public class HidlSupport {
	@SystemApi		@SystemApi
	public static native int getPidIfSharable();		public static native int getPidIfSharable();

			/**
			* Return true if HIDL is supported on this device and false if not.
			*
			* @hide
			*/
			public static native boolean isHidlSupported();

	/** @hide */		/** @hide */
	public HidlSupport() {}		public HidlSupport() {}
	}		}

+12 −0

Original line number	Original line	Diff line number	Diff line
	@@ -18,6 +18,7 @@ package android.os;

	import android.annotation.SystemApi;		import android.annotation.SystemApi;
	import android.compat.annotation.UnsupportedAppUsage;		import android.compat.annotation.UnsupportedAppUsage;
			import android.util.Log;

	import libcore.util.NativeAllocationRegistry;		import libcore.util.NativeAllocationRegistry;

	@@ -78,6 +79,17 @@ public abstract class HwBinder implements IHwBinder {
	String iface,		String iface,
	String serviceName)		String serviceName)
	throws RemoteException, NoSuchElementException {		throws RemoteException, NoSuchElementException {
			if (!HidlSupport.isHidlSupported()
			&& (iface.equals("android.hidl.manager@1.0::IServiceManager")
			\|\| iface.equals("android.hidl.manager@1.1::IServiceManager")
			\|\| iface.equals("android.hidl.manager@1.2::IServiceManager"))) {
			Log.i(
			TAG,
			"Replacing Java hwservicemanager with a fake HwNoService"
			+ " because HIDL is not supported on this device.");
			return new HwNoService();
			}

	return getService(iface, serviceName, false /* retry */);		return getService(iface, serviceName, false /* retry */);
	}		}
	/**		/**

0 → 100644

+52 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Copyright (C) 2023 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;

			/**
			* A fake hwservicemanager that is used locally when HIDL isn't supported on the device.
			*
			* @hide
			*/
			final class HwNoService implements IHwBinder, IHwInterface {
			/** @hide */
			@Override
			public void transact(int code, HwParcel request, HwParcel reply, int flags) {}

			/** @hide */
			@Override
			public IHwInterface queryLocalInterface(String descriptor) {
			return new HwNoService();
			}

			/** @hide */
			@Override
			public boolean linkToDeath(DeathRecipient recipient, long cookie) {
			return true;
			}

			/** @hide */
			@Override
			public boolean unlinkToDeath(DeathRecipient recipient) {
			return true;
			}

			/** @hide */
			@Override
			public IHwBinder asBinder() {
			return this;
			}
			}

+7 −1

Original line number	Original line	Diff line number	Diff line
	@@ -15,6 +15,7 @@
	*/		*/

	#include <hidl/HidlTransportSupport.h>		#include <hidl/HidlTransportSupport.h>
			#include <hidl/ServiceManagement.h>
	#include <nativehelper/JNIHelp.h>		#include <nativehelper/JNIHelp.h>

	#include "core_jni_helpers.h"		#include "core_jni_helpers.h"
	@@ -24,8 +25,13 @@ static jint android_os_HidlSupport_getPidIfSharable(JNIEnv*, jclass) {
	return android::hardware::details::getPidIfSharable();		return android::hardware::details::getPidIfSharable();
	}		}

			static jboolean android_os_HidlSupport_isHidlSupported(JNIEnv*, jclass) {
			return android::hardware::isHidlSupported();
			}

	static const JNINativeMethod gHidlSupportMethods[] = {		static const JNINativeMethod gHidlSupportMethods[] = {
	{"getPidIfSharable", "()I", (void*)android_os_HidlSupport_getPidIfSharable},		{"getPidIfSharable", "()I", (void*)android_os_HidlSupport_getPidIfSharable},
			{"isHidlSupported", "()Z", (void*)android_os_HidlSupport_isHidlSupported},
	};		};

	const char* const kHidlSupportPathName = "android/os/HidlSupport";		const char* const kHidlSupportPathName = "android/os/HidlSupport";