diff options
| -rw-r--r-- | core/java/android/os/HwBinder.java | 12 | ||||
| -rw-r--r-- | core/java/android/os/HwNoService.java | 52 |
2 files changed, 64 insertions, 0 deletions
diff --git a/core/java/android/os/HwBinder.java b/core/java/android/os/HwBinder.java index feed20800fd4..bc19655d1618 100644 --- a/core/java/android/os/HwBinder.java +++ b/core/java/android/os/HwBinder.java @@ -18,6 +18,7 @@ package android.os; import android.annotation.SystemApi; import android.compat.annotation.UnsupportedAppUsage; +import android.util.Log; import libcore.util.NativeAllocationRegistry; @@ -78,6 +79,17 @@ public abstract class HwBinder implements IHwBinder { String iface, String serviceName) 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 */); } /** diff --git a/core/java/android/os/HwNoService.java b/core/java/android/os/HwNoService.java new file mode 100644 index 000000000000..117c3ad7ee48 --- /dev/null +++ b/core/java/android/os/HwNoService.java @@ -0,0 +1,52 @@ +/* + * 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; + } +} |