Add CDM data transfer interfaces (6aea8068) · Commits · e / os / android_frameworks_base

core/api/current.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -79,6 +79,7 @@ package android {
		field public static final String CONTROL_LOCATION_UPDATES = "android.permission.CONTROL_LOCATION_UPDATES";
		field public static final String DELETE_CACHE_FILES = "android.permission.DELETE_CACHE_FILES";
		field public static final String DELETE_PACKAGES = "android.permission.DELETE_PACKAGES";
		field public static final String DELIVER_COMPANION_MESSAGES = "android.permission.DELIVER_COMPANION_MESSAGES";
		field public static final String DIAGNOSTIC = "android.permission.DIAGNOSTIC";
		field public static final String DISABLE_KEYGUARD = "android.permission.DISABLE_KEYGUARD";
		field public static final String DUMP = "android.permission.DUMP";
		@@ -9885,6 +9886,8 @@ package android.companion {
		method @Nullable public final android.os.IBinder onBind(@NonNull android.content.Intent);
		method @MainThread public abstract void onDeviceAppeared(@NonNull String);
		method @MainThread public abstract void onDeviceDisappeared(@NonNull String);
		method @MainThread public void onSendMessage(int, int, @NonNull byte[]);
		method @RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES) public final void receiveMessage(int, int, @NonNull byte[]);
		field public static final String SERVICE_INTERFACE = "android.companion.CompanionDeviceService";
		}

core/java/android/companion/CompanionDeviceManager.java

+29 −0

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		@@ -444,6 +444,35 @@ public final class CompanionDeviceManager {
		}
		}

		/**
		* Dispatch received message to system for processing.
		*
		* <p>Messages received from {@link CompanionDeviceService#onSendMessage}, which is implemented
		* on another device, need to be dispatched to system for processing.</p>
		*
		* <p>Calling app must declare uses-permission
		* {@link android.Manifest.permission#DELIVER_COMPANION_MESSAGES}</p>
		*
		* @param messageId id of the message
		* @param associationId association id of the associated device where data is coming from
		* @param message message received from the associated device
		*
		* @throws DeviceNotAssociatedException if the given device was not previously associated with
		* this app
		*
		* @hide
		*/
		@RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES)
		public void receiveMessage(int messageId, int associationId, @NonNull byte[] message)
		throws DeviceNotAssociatedException {
		try {
		mService.receiveMessage(messageId, associationId, message);
		} catch (RemoteException e) {
		ExceptionUtils.propagateIfInstanceOf(e.getCause(), DeviceNotAssociatedException.class);
		throw e.rethrowFromSystemServer();
		}
		}

		/**
		* Associates given device with given app for the given user directly, without UI prompt.
		*

core/java/android/companion/CompanionDeviceService.java

+44 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ package android.companion;
		import android.annotation.MainThread;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.app.Service;
		import android.content.Intent;
		import android.os.Handler;
		@@ -86,6 +87,36 @@ public abstract class CompanionDeviceService extends Service {
		@MainThread
		public abstract void onDeviceDisappeared(@NonNull String address);

		/**
		* Called by system whenever the system tries to send a message to an associated device.
		*
		* @param messageId system assigned id of the message to be sent
		* @param associationId association id of the associated device
		* @param message message to be sent
		*/
		@MainThread
		public void onSendMessage(int messageId, int associationId, @NonNull byte[] message) {
		// do nothing. Companion apps can override this function for system to send messages.
		}

		/**
		* Called when there's message received from an associated device, which needs to be dispatched
		* to system for processing.
		*
		* <p>Calling app must declare uses-permission
		* {@link android.Manifest.permission#DELIVER_COMPANION_MESSAGES}</p>
		*
		* @param messageId id of the message
		* @param associationId id of the associated device
		* @param message messaged received from the associated device
		*/
		@RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES)
		public final void receiveMessage(int messageId, int associationId, @NonNull byte[] message) {
		CompanionDeviceManager companionDeviceManager =
		getSystemService(CompanionDeviceManager.class);
		companionDeviceManager.receiveMessage(messageId, associationId, message);
		}

		@Nullable
		@Override
		public final IBinder onBind(@NonNull Intent intent) {
		@@ -112,5 +143,18 @@ public abstract class CompanionDeviceService extends Service {
		CompanionDeviceService::onDeviceDisappeared,
		CompanionDeviceService.this, address));
		}

		public void onSendMessage(int messageId, int associationId, @NonNull byte[] message) {
		Handler.getMain().sendMessage(PooledLambda.obtainMessage(
		CompanionDeviceService::onSendMessage,
		CompanionDeviceService.this, messageId, associationId, message));
		}

		public final void receiveMessage(int messageId, int associationId,
		@NonNull byte[] message) {
		Handler.getMain().sendMessage(PooledLambda.obtainMessage(
		CompanionDeviceService::receiveMessage,
		CompanionDeviceService.this, messageId, associationId, message));
		}
		}
		}

core/java/android/companion/ICompanionDeviceManager.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -54,4 +54,6 @@ interface ICompanionDeviceManager {

		void createAssociation(in String packageName, in String macAddress, int userId,
		in byte[] certificate);

		void receiveMessage(in int messageId, in int associationId, in byte[] message);
		}

core/java/android/companion/ICompanionDeviceService.aidl

+1 −6

Original line number	Diff line number	Diff line
		@@ -16,14 +16,9 @@

		package android.companion;

		import android.app.PendingIntent;
		import android.companion.IFindDeviceCallback;
		import android.companion.Association;
		import android.companion.AssociationRequest;
		import android.content.ComponentName;

		/** @hide */
		oneway interface ICompanionDeviceService {
		void onDeviceAppeared(in String address);
		void onDeviceDisappeared(in String address);
		void onSendMessage(in int messageId, in int associationId, in byte[] message);
		}