| /** |
| * Copyright (C) 2014 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.service.voice; |
| |
| import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| |
| import android.annotation.CallbackExecutor; |
| import android.annotation.IntRange; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.Activity; |
| import android.app.Dialog; |
| import android.app.DirectAction; |
| import android.app.Instrumentation; |
| import android.app.VoiceInteractor; |
| import android.app.assist.AssistContent; |
| import android.app.assist.AssistStructure; |
| import android.content.ComponentCallbacks2; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ParceledListSlice; |
| import android.content.res.Configuration; |
| import android.content.res.TypedArray; |
| import android.graphics.Bitmap; |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.inputmethodservice.SoftInputWindow; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.CancellationSignal; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.ICancellationSignal; |
| import android.os.Message; |
| import android.os.RemoteCallback; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.util.ArrayMap; |
| import android.util.DebugUtils; |
| import android.util.Log; |
| import android.view.Gravity; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewTreeObserver; |
| import android.view.WindowManager; |
| import android.widget.FrameLayout; |
| |
| import com.android.internal.annotations.Immutable; |
| import com.android.internal.app.IVoiceInteractionManagerService; |
| import com.android.internal.app.IVoiceInteractionSessionShowCallback; |
| import com.android.internal.app.IVoiceInteractor; |
| import com.android.internal.app.IVoiceInteractorCallback; |
| import com.android.internal.app.IVoiceInteractorRequest; |
| import com.android.internal.os.HandlerCaller; |
| import com.android.internal.os.SomeArgs; |
| import com.android.internal.util.Preconditions; |
| import com.android.internal.util.function.pooled.PooledLambda; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.lang.ref.WeakReference; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.Executor; |
| import java.util.function.Consumer; |
| |
| /** |
| * An active voice interaction session, providing a facility for the implementation |
| * to interact with the user in the voice interaction layer. The user interface is |
| * initially shown by default, and can be created be overriding {@link #onCreateContentView()} |
| * in which the UI can be built. |
| * |
| * <p>A voice interaction session can be self-contained, ultimately calling {@link #finish} |
| * when done. It can also initiate voice interactions with applications by calling |
| * {@link #startVoiceActivity}</p>. |
| */ |
| public class VoiceInteractionSession implements KeyEvent.Callback, ComponentCallbacks2 { |
| static final String TAG = "VoiceInteractionSession"; |
| static final boolean DEBUG = false; |
| |
| /** |
| * Flag received in {@link #onShow}: originator requested that the session be started with |
| * assist data from the currently focused activity. |
| */ |
| public static final int SHOW_WITH_ASSIST = 1<<0; |
| |
| /** |
| * Flag received in {@link #onShow}: originator requested that the session be started with |
| * a screen shot of the currently focused activity. |
| */ |
| public static final int SHOW_WITH_SCREENSHOT = 1<<1; |
| |
| /** |
| * Flag for use with {@link #onShow}: indicates that the session has been started from the |
| * system assist gesture. |
| */ |
| public static final int SHOW_SOURCE_ASSIST_GESTURE = 1<<2; |
| |
| /** |
| * Flag for use with {@link #onShow}: indicates that the application itself has invoked |
| * the assistant. |
| */ |
| public static final int SHOW_SOURCE_APPLICATION = 1<<3; |
| |
| /** |
| * Flag for use with {@link #onShow}: indicates that an Activity has invoked the voice |
| * interaction service for a local interaction using |
| * {@link Activity#startLocalVoiceInteraction(Bundle)}. |
| */ |
| public static final int SHOW_SOURCE_ACTIVITY = 1<<4; |
| |
| /** |
| * Flag for use with {@link #onShow}: indicates that the voice interaction service was invoked |
| * from a physical button. |
| */ |
| public static final int SHOW_SOURCE_PUSH_TO_TALK = 1 << 5; |
| |
| /** |
| * Flag for use with {@link #onShow}: indicates that the voice interaction service was invoked |
| * from a notification. |
| */ |
| public static final int SHOW_SOURCE_NOTIFICATION = 1 << 6; |
| |
| /** |
| * Flag for use with {@link #onShow}: indicates that the voice interaction service was invoked |
| * from an Android automotive system UI. |
| */ |
| public static final int SHOW_SOURCE_AUTOMOTIVE_SYSTEM_UI = 1 << 7; |
| |
| final Context mContext; |
| final HandlerCaller mHandlerCaller; |
| |
| final KeyEvent.DispatcherState mDispatcherState = new KeyEvent.DispatcherState(); |
| |
| IVoiceInteractionManagerService mSystemService; |
| IBinder mToken; |
| |
| int mTheme = 0; |
| LayoutInflater mInflater; |
| TypedArray mThemeAttrs; |
| View mRootView; |
| FrameLayout mContentFrame; |
| SoftInputWindow mWindow; |
| |
| boolean mUiEnabled = true; |
| boolean mInitialized; |
| boolean mWindowAdded; |
| boolean mWindowVisible; |
| boolean mWindowWasVisible; |
| boolean mInShowWindow; |
| |
| final ArrayMap<IBinder, Request> mActiveRequests = new ArrayMap<IBinder, Request>(); |
| |
| final Insets mTmpInsets = new Insets(); |
| |
| final WeakReference<VoiceInteractionSession> mWeakRef |
| = new WeakReference<VoiceInteractionSession>(this); |
| |
| // Registry of remote callbacks pending a reply with reply handles. |
| final Map<SafeResultListener, Consumer<Bundle>> mRemoteCallbacks = new ArrayMap<>(); |
| |
| ICancellationSignal mKillCallback; |
| |
| final IVoiceInteractor mInteractor = new IVoiceInteractor.Stub() { |
| @Override |
| public IVoiceInteractorRequest startConfirmation(String callingPackage, |
| IVoiceInteractorCallback callback, VoiceInteractor.Prompt prompt, Bundle extras) { |
| ConfirmationRequest request = new ConfirmationRequest(callingPackage, |
| Binder.getCallingUid(), callback, VoiceInteractionSession.this, |
| prompt, extras); |
| addRequest(request); |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageO(MSG_START_CONFIRMATION, |
| request)); |
| return request.mInterface; |
| } |
| |
| @Override |
| public IVoiceInteractorRequest startPickOption(String callingPackage, |
| IVoiceInteractorCallback callback, VoiceInteractor.Prompt prompt, |
| VoiceInteractor.PickOptionRequest.Option[] options, Bundle extras) { |
| PickOptionRequest request = new PickOptionRequest(callingPackage, |
| Binder.getCallingUid(), callback, VoiceInteractionSession.this, |
| prompt, options, extras); |
| addRequest(request); |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageO(MSG_START_PICK_OPTION, |
| request)); |
| return request.mInterface; |
| } |
| |
| @Override |
| public IVoiceInteractorRequest startCompleteVoice(String callingPackage, |
| IVoiceInteractorCallback callback, VoiceInteractor.Prompt message, Bundle extras) { |
| CompleteVoiceRequest request = new CompleteVoiceRequest(callingPackage, |
| Binder.getCallingUid(), callback, VoiceInteractionSession.this, |
| message, extras); |
| addRequest(request); |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageO(MSG_START_COMPLETE_VOICE, |
| request)); |
| return request.mInterface; |
| } |
| |
| @Override |
| public IVoiceInteractorRequest startAbortVoice(String callingPackage, |
| IVoiceInteractorCallback callback, VoiceInteractor.Prompt message, Bundle extras) { |
| AbortVoiceRequest request = new AbortVoiceRequest(callingPackage, |
| Binder.getCallingUid(), callback, VoiceInteractionSession.this, |
| message, extras); |
| addRequest(request); |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageO(MSG_START_ABORT_VOICE, |
| request)); |
| return request.mInterface; |
| } |
| |
| @Override |
| public IVoiceInteractorRequest startCommand(String callingPackage, |
| IVoiceInteractorCallback callback, String command, Bundle extras) { |
| CommandRequest request = new CommandRequest(callingPackage, |
| Binder.getCallingUid(), callback, VoiceInteractionSession.this, |
| command, extras); |
| addRequest(request); |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageO(MSG_START_COMMAND, |
| request)); |
| return request.mInterface; |
| } |
| |
| @Override |
| public boolean[] supportsCommands(String callingPackage, String[] commands) { |
| Message msg = mHandlerCaller.obtainMessageIOO(MSG_SUPPORTS_COMMANDS, |
| 0, commands, null); |
| SomeArgs args = mHandlerCaller.sendMessageAndWait(msg); |
| if (args != null) { |
| boolean[] res = (boolean[])args.arg1; |
| args.recycle(); |
| return res; |
| } |
| return new boolean[commands.length]; |
| } |
| |
| @Override |
| public void notifyDirectActionsChanged(int taskId, IBinder assistToken) { |
| mHandlerCaller.getHandler().sendMessage(PooledLambda.obtainMessage( |
| VoiceInteractionSession::onDirectActionsInvalidated, |
| VoiceInteractionSession.this, new ActivityId(taskId, assistToken)) |
| ); |
| } |
| |
| @Override |
| public void setKillCallback(ICancellationSignal callback) { |
| mKillCallback = callback; |
| } |
| }; |
| |
| final IVoiceInteractionSession mSession = new IVoiceInteractionSession.Stub() { |
| @Override |
| public void show(Bundle sessionArgs, int flags, |
| IVoiceInteractionSessionShowCallback showCallback) { |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageIOO(MSG_SHOW, |
| flags, sessionArgs, showCallback)); |
| } |
| |
| @Override |
| public void hide() { |
| // Remove any pending messages to show the session |
| mHandlerCaller.removeMessages(MSG_SHOW); |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessage(MSG_HIDE)); |
| } |
| |
| @Override |
| public void handleAssist(final int taskId, final IBinder assistToken, final Bundle data, |
| final AssistStructure structure, final AssistContent content, final int index, |
| final int count) { |
| // We want to pre-warm the AssistStructure before handing it off to the main |
| // thread. We also want to do this on a separate thread, so that if the app |
| // is for some reason slow (due to slow filling in of async children in the |
| // structure), we don't block other incoming IPCs (such as the screenshot) to |
| // us (since we are a oneway interface, they get serialized). (Okay?) |
| Thread retriever = new Thread("AssistStructure retriever") { |
| @Override |
| public void run() { |
| Throwable failure = null; |
| if (structure != null) { |
| try { |
| structure.ensureData(); |
| } catch (Throwable e) { |
| Log.w(TAG, "Failure retrieving AssistStructure", e); |
| failure = e; |
| } |
| } |
| |
| SomeArgs args = SomeArgs.obtain(); |
| args.argi1 = taskId; |
| args.arg1 = data; |
| args.arg2 = (failure == null) ? structure : null; |
| args.arg3 = failure; |
| args.arg4 = content; |
| args.arg5 = assistToken; |
| args.argi5 = index; |
| args.argi6 = count; |
| |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageO( |
| MSG_HANDLE_ASSIST, args)); |
| } |
| }; |
| retriever.start(); |
| } |
| |
| @Override |
| public void handleScreenshot(Bitmap screenshot) { |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageO(MSG_HANDLE_SCREENSHOT, |
| screenshot)); |
| } |
| |
| @Override |
| public void taskStarted(Intent intent, int taskId) { |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageIO(MSG_TASK_STARTED, |
| taskId, intent)); |
| } |
| |
| @Override |
| public void taskFinished(Intent intent, int taskId) { |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessageIO(MSG_TASK_FINISHED, |
| taskId, intent)); |
| } |
| |
| @Override |
| public void closeSystemDialogs() { |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessage(MSG_CLOSE_SYSTEM_DIALOGS)); |
| } |
| |
| @Override |
| public void onLockscreenShown() { |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessage(MSG_ON_LOCKSCREEN_SHOWN)); |
| } |
| |
| @Override |
| public void destroy() { |
| mHandlerCaller.sendMessage(mHandlerCaller.obtainMessage(MSG_DESTROY)); |
| } |
| }; |
| |
| /** |
| * Base class representing a request from a voice-driver app to perform a particular |
| * voice operation with the user. See related subclasses for the types of requests |
| * that are possible. |
| */ |
| public static class Request { |
| final IVoiceInteractorRequest mInterface = new IVoiceInteractorRequest.Stub() { |
| @Override |
| public void cancel() throws RemoteException { |
| VoiceInteractionSession session = mSession.get(); |
| if (session != null) { |
| session.mHandlerCaller.sendMessage( |
| session.mHandlerCaller.obtainMessageO(MSG_CANCEL, Request.this)); |
| } |
| } |
| }; |
| final String mCallingPackage; |
| final int mCallingUid; |
| final IVoiceInteractorCallback mCallback; |
| final WeakReference<VoiceInteractionSession> mSession; |
| final Bundle mExtras; |
| |
| Request(String packageName, int uid, IVoiceInteractorCallback callback, |
| VoiceInteractionSession session, Bundle extras) { |
| mCallingPackage = packageName; |
| mCallingUid = uid; |
| mCallback = callback; |
| mSession = session.mWeakRef; |
| mExtras = extras; |
| } |
| |
| /** |
| * Return the uid of the application that initiated the request. |
| */ |
| public int getCallingUid() { |
| return mCallingUid; |
| } |
| |
| /** |
| * Return the package name of the application that initiated the request. |
| */ |
| public String getCallingPackage() { |
| return mCallingPackage; |
| } |
| |
| /** |
| * Return any additional extra information that was supplied as part of the request. |
| */ |
| public Bundle getExtras() { |
| return mExtras; |
| } |
| |
| /** |
| * Check whether this request is currently active. A request becomes inactive after |
| * calling {@link #cancel} or a final result method that completes the request. After |
| * this point, further interactions with the request will result in |
| * {@link java.lang.IllegalStateException} errors; you should not catch these errors, |
| * but can use this method if you need to determine the state of the request. Returns |
| * true if the request is still active. |
| */ |
| public boolean isActive() { |
| VoiceInteractionSession session = mSession.get(); |
| if (session == null) { |
| return false; |
| } |
| return session.isRequestActive(mInterface.asBinder()); |
| } |
| |
| void finishRequest() { |
| VoiceInteractionSession session = mSession.get(); |
| if (session == null) { |
| throw new IllegalStateException("VoiceInteractionSession has been destroyed"); |
| } |
| Request req = session.removeRequest(mInterface.asBinder()); |
| if (req == null) { |
| throw new IllegalStateException("Request not active: " + this); |
| } else if (req != this) { |
| throw new IllegalStateException("Current active request " + req |
| + " not same as calling request " + this); |
| } |
| } |
| |
| /** |
| * Ask the app to cancel this current request. |
| * This also finishes the request (it is no longer active). |
| */ |
| public void cancel() { |
| try { |
| if (DEBUG) Log.d(TAG, "sendCancelResult: req=" + mInterface); |
| finishRequest(); |
| mCallback.deliverCancel(mInterface); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(128); |
| DebugUtils.buildShortClassTag(this, sb); |
| sb.append(" "); |
| sb.append(mInterface.asBinder()); |
| sb.append(" pkg="); |
| sb.append(mCallingPackage); |
| sb.append(" uid="); |
| UserHandle.formatUid(sb, mCallingUid); |
| sb.append('}'); |
| return sb.toString(); |
| } |
| |
| void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| writer.print(prefix); writer.print("mInterface="); |
| writer.println(mInterface.asBinder()); |
| writer.print(prefix); writer.print("mCallingPackage="); writer.print(mCallingPackage); |
| writer.print(" mCallingUid="); UserHandle.formatUid(writer, mCallingUid); |
| writer.println(); |
| writer.print(prefix); writer.print("mCallback="); |
| writer.println(mCallback.asBinder()); |
| if (mExtras != null) { |
| writer.print(prefix); writer.print("mExtras="); |
| writer.println(mExtras); |
| } |
| } |
| } |
| |
| /** |
| * A request for confirmation from the user of an operation, as per |
| * {@link android.app.VoiceInteractor.ConfirmationRequest |
| * VoiceInteractor.ConfirmationRequest}. |
| */ |
| public static final class ConfirmationRequest extends Request { |
| final VoiceInteractor.Prompt mPrompt; |
| |
| ConfirmationRequest(String packageName, int uid, IVoiceInteractorCallback callback, |
| VoiceInteractionSession session, VoiceInteractor.Prompt prompt, Bundle extras) { |
| super(packageName, uid, callback, session, extras); |
| mPrompt = prompt; |
| } |
| |
| /** |
| * Return the prompt informing the user of what will happen, as per |
| * {@link android.app.VoiceInteractor.ConfirmationRequest |
| * VoiceInteractor.ConfirmationRequest}. |
| */ |
| @Nullable |
| public VoiceInteractor.Prompt getVoicePrompt() { |
| return mPrompt; |
| } |
| |
| /** |
| * Return the prompt informing the user of what will happen, as per |
| * {@link android.app.VoiceInteractor.ConfirmationRequest |
| * VoiceInteractor.ConfirmationRequest}. |
| * @deprecated Prefer {@link #getVoicePrompt()} which allows multiple voice prompts. |
| */ |
| @Deprecated |
| @Nullable |
| public CharSequence getPrompt() { |
| return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null); |
| } |
| |
| /** |
| * Report that the voice interactor has confirmed the operation with the user, resulting |
| * in a call to |
| * {@link android.app.VoiceInteractor.ConfirmationRequest#onConfirmationResult |
| * VoiceInteractor.ConfirmationRequest.onConfirmationResult}. |
| * This finishes the request (it is no longer active). |
| */ |
| public void sendConfirmationResult(boolean confirmed, Bundle result) { |
| try { |
| if (DEBUG) Log.d(TAG, "sendConfirmationResult: req=" + mInterface |
| + " confirmed=" + confirmed + " result=" + result); |
| finishRequest(); |
| mCallback.deliverConfirmationResult(mInterface, confirmed, result); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| super.dump(prefix, fd, writer, args); |
| writer.print(prefix); writer.print("mPrompt="); |
| writer.println(mPrompt); |
| } |
| } |
| |
| /** |
| * A request for the user to pick from a set of option, as per |
| * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}. |
| */ |
| public static final class PickOptionRequest extends Request { |
| final VoiceInteractor.Prompt mPrompt; |
| final VoiceInteractor.PickOptionRequest.Option[] mOptions; |
| |
| PickOptionRequest(String packageName, int uid, IVoiceInteractorCallback callback, |
| VoiceInteractionSession session, VoiceInteractor.Prompt prompt, |
| VoiceInteractor.PickOptionRequest.Option[] options, Bundle extras) { |
| super(packageName, uid, callback, session, extras); |
| mPrompt = prompt; |
| mOptions = options; |
| } |
| |
| /** |
| * Return the prompt informing the user of what they are picking, as per |
| * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}. |
| */ |
| @Nullable |
| public VoiceInteractor.Prompt getVoicePrompt() { |
| return mPrompt; |
| } |
| |
| /** |
| * Return the prompt informing the user of what they are picking, as per |
| * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}. |
| * @deprecated Prefer {@link #getVoicePrompt()} which allows multiple voice prompts. |
| */ |
| @Deprecated |
| @Nullable |
| public CharSequence getPrompt() { |
| return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null); |
| } |
| |
| /** |
| * Return the set of options the user is picking from, as per |
| * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}. |
| */ |
| public VoiceInteractor.PickOptionRequest.Option[] getOptions() { |
| return mOptions; |
| } |
| |
| void sendPickOptionResult(boolean finished, |
| VoiceInteractor.PickOptionRequest.Option[] selections, Bundle result) { |
| try { |
| if (DEBUG) Log.d(TAG, "sendPickOptionResult: req=" + mInterface |
| + " finished=" + finished + " selections=" + selections |
| + " result=" + result); |
| if (finished) { |
| finishRequest(); |
| } |
| mCallback.deliverPickOptionResult(mInterface, finished, selections, result); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Report an intermediate option selection from the request, without completing it (the |
| * request is still active and the app is waiting for the final option selection), |
| * resulting in a call to |
| * {@link android.app.VoiceInteractor.PickOptionRequest#onPickOptionResult |
| * VoiceInteractor.PickOptionRequest.onPickOptionResult} with false for finished. |
| */ |
| public void sendIntermediatePickOptionResult( |
| VoiceInteractor.PickOptionRequest.Option[] selections, Bundle result) { |
| sendPickOptionResult(false, selections, result); |
| } |
| |
| /** |
| * Report the final option selection for the request, completing the request |
| * and resulting in a call to |
| * {@link android.app.VoiceInteractor.PickOptionRequest#onPickOptionResult |
| * VoiceInteractor.PickOptionRequest.onPickOptionResult} with false for finished. |
| * This finishes the request (it is no longer active). |
| */ |
| public void sendPickOptionResult( |
| VoiceInteractor.PickOptionRequest.Option[] selections, Bundle result) { |
| sendPickOptionResult(true, selections, result); |
| } |
| |
| void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| super.dump(prefix, fd, writer, args); |
| writer.print(prefix); writer.print("mPrompt="); |
| writer.println(mPrompt); |
| if (mOptions != null) { |
| writer.print(prefix); writer.println("Options:"); |
| for (int i=0; i<mOptions.length; i++) { |
| VoiceInteractor.PickOptionRequest.Option op = mOptions[i]; |
| writer.print(prefix); writer.print(" #"); writer.print(i); writer.println(":"); |
| writer.print(prefix); writer.print(" mLabel="); |
| writer.println(op.getLabel()); |
| writer.print(prefix); writer.print(" mIndex="); |
| writer.println(op.getIndex()); |
| if (op.countSynonyms() > 0) { |
| writer.print(prefix); writer.println(" Synonyms:"); |
| for (int j=0; j<op.countSynonyms(); j++) { |
| writer.print(prefix); writer.print(" #"); writer.print(j); |
| writer.print(": "); writer.println(op.getSynonymAt(j)); |
| } |
| } |
| if (op.getExtras() != null) { |
| writer.print(prefix); writer.print(" mExtras="); |
| writer.println(op.getExtras()); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * A request to simply inform the user that the voice operation has completed, as per |
| * {@link android.app.VoiceInteractor.CompleteVoiceRequest |
| * VoiceInteractor.CompleteVoiceRequest}. |
| */ |
| public static final class CompleteVoiceRequest extends Request { |
| final VoiceInteractor.Prompt mPrompt; |
| |
| CompleteVoiceRequest(String packageName, int uid, IVoiceInteractorCallback callback, |
| VoiceInteractionSession session, VoiceInteractor.Prompt prompt, Bundle extras) { |
| super(packageName, uid, callback, session, extras); |
| mPrompt = prompt; |
| } |
| |
| /** |
| * Return the message informing the user of the completion, as per |
| * {@link android.app.VoiceInteractor.CompleteVoiceRequest |
| * VoiceInteractor.CompleteVoiceRequest}. |
| */ |
| @Nullable |
| public VoiceInteractor.Prompt getVoicePrompt() { |
| return mPrompt; |
| } |
| |
| /** |
| * Return the message informing the user of the completion, as per |
| * {@link android.app.VoiceInteractor.CompleteVoiceRequest |
| * VoiceInteractor.CompleteVoiceRequest}. |
| * @deprecated Prefer {@link #getVoicePrompt()} which allows a separate visual message. |
| */ |
| @Deprecated |
| @Nullable |
| public CharSequence getMessage() { |
| return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null); |
| } |
| |
| /** |
| * Report that the voice interactor has finished completing the voice operation, resulting |
| * in a call to |
| * {@link android.app.VoiceInteractor.CompleteVoiceRequest#onCompleteResult |
| * VoiceInteractor.CompleteVoiceRequest.onCompleteResult}. |
| * This finishes the request (it is no longer active). |
| */ |
| public void sendCompleteResult(Bundle result) { |
| try { |
| if (DEBUG) Log.d(TAG, "sendCompleteVoiceResult: req=" + mInterface |
| + " result=" + result); |
| finishRequest(); |
| mCallback.deliverCompleteVoiceResult(mInterface, result); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| super.dump(prefix, fd, writer, args); |
| writer.print(prefix); writer.print("mPrompt="); |
| writer.println(mPrompt); |
| } |
| } |
| |
| /** |
| * A request to report that the current user interaction can not be completed with voice, as per |
| * {@link android.app.VoiceInteractor.AbortVoiceRequest VoiceInteractor.AbortVoiceRequest}. |
| */ |
| public static final class AbortVoiceRequest extends Request { |
| final VoiceInteractor.Prompt mPrompt; |
| |
| AbortVoiceRequest(String packageName, int uid, IVoiceInteractorCallback callback, |
| VoiceInteractionSession session, VoiceInteractor.Prompt prompt, Bundle extras) { |
| super(packageName, uid, callback, session, extras); |
| mPrompt = prompt; |
| } |
| |
| /** |
| * Return the message informing the user of the problem, as per |
| * {@link android.app.VoiceInteractor.AbortVoiceRequest VoiceInteractor.AbortVoiceRequest}. |
| */ |
| @Nullable |
| public VoiceInteractor.Prompt getVoicePrompt() { |
| return mPrompt; |
| } |
| |
| /** |
| * Return the message informing the user of the problem, as per |
| * {@link android.app.VoiceInteractor.AbortVoiceRequest VoiceInteractor.AbortVoiceRequest}. |
| * @deprecated Prefer {@link #getVoicePrompt()} which allows a separate visual message. |
| */ |
| @Deprecated |
| @Nullable |
| public CharSequence getMessage() { |
| return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null); |
| } |
| |
| /** |
| * Report that the voice interactor has finished aborting the voice operation, resulting |
| * in a call to |
| * {@link android.app.VoiceInteractor.AbortVoiceRequest#onAbortResult |
| * VoiceInteractor.AbortVoiceRequest.onAbortResult}. This finishes the request (it |
| * is no longer active). |
| */ |
| public void sendAbortResult(Bundle result) { |
| try { |
| if (DEBUG) Log.d(TAG, "sendConfirmResult: req=" + mInterface |
| + " result=" + result); |
| finishRequest(); |
| mCallback.deliverAbortVoiceResult(mInterface, result); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| super.dump(prefix, fd, writer, args); |
| writer.print(prefix); writer.print("mPrompt="); |
| writer.println(mPrompt); |
| } |
| } |
| |
| /** |
| * A generic vendor-specific request, as per |
| * {@link android.app.VoiceInteractor.CommandRequest VoiceInteractor.CommandRequest}. |
| */ |
| public static final class CommandRequest extends Request { |
| final String mCommand; |
| |
| CommandRequest(String packageName, int uid, IVoiceInteractorCallback callback, |
| VoiceInteractionSession session, String command, Bundle extras) { |
| super(packageName, uid, callback, session, extras); |
| mCommand = command; |
| } |
| |
| /** |
| * Return the command that is being executed, as per |
| * {@link android.app.VoiceInteractor.CommandRequest VoiceInteractor.CommandRequest}. |
| */ |
| public String getCommand() { |
| return mCommand; |
| } |
| |
| void sendCommandResult(boolean finished, Bundle result) { |
| try { |
| if (DEBUG) Log.d(TAG, "sendCommandResult: req=" + mInterface |
| + " result=" + result); |
| if (finished) { |
| finishRequest(); |
| } |
| mCallback.deliverCommandResult(mInterface, finished, result); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Report an intermediate result of the request, without completing it (the request |
| * is still active and the app is waiting for the final result), resulting in a call to |
| * {@link android.app.VoiceInteractor.CommandRequest#onCommandResult |
| * VoiceInteractor.CommandRequest.onCommandResult} with false for isCompleted. |
| */ |
| public void sendIntermediateResult(Bundle result) { |
| sendCommandResult(false, result); |
| } |
| |
| /** |
| * Report the final result of the request, completing the request and resulting in a call to |
| * {@link android.app.VoiceInteractor.CommandRequest#onCommandResult |
| * VoiceInteractor.CommandRequest.onCommandResult} with true for isCompleted. |
| * This finishes the request (it is no longer active). |
| */ |
| public void sendResult(Bundle result) { |
| sendCommandResult(true, result); |
| } |
| |
| void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| super.dump(prefix, fd, writer, args); |
| writer.print(prefix); writer.print("mCommand="); |
| writer.println(mCommand); |
| } |
| } |
| |
| static final int MSG_START_CONFIRMATION = 1; |
| static final int MSG_START_PICK_OPTION = 2; |
| static final int MSG_START_COMPLETE_VOICE = 3; |
| static final int MSG_START_ABORT_VOICE = 4; |
| static final int MSG_START_COMMAND = 5; |
| static final int MSG_SUPPORTS_COMMANDS = 6; |
| static final int MSG_CANCEL = 7; |
| |
| static final int MSG_TASK_STARTED = 100; |
| static final int MSG_TASK_FINISHED = 101; |
| static final int MSG_CLOSE_SYSTEM_DIALOGS = 102; |
| static final int MSG_DESTROY = 103; |
| static final int MSG_HANDLE_ASSIST = 104; |
| static final int MSG_HANDLE_SCREENSHOT = 105; |
| static final int MSG_SHOW = 106; |
| static final int MSG_HIDE = 107; |
| static final int MSG_ON_LOCKSCREEN_SHOWN = 108; |
| |
| class MyCallbacks implements HandlerCaller.Callback, SoftInputWindow.Callback { |
| @Override |
| public void executeMessage(Message msg) { |
| SomeArgs args = null; |
| switch (msg.what) { |
| case MSG_START_CONFIRMATION: |
| if (DEBUG) Log.d(TAG, "onConfirm: req=" + msg.obj); |
| onRequestConfirmation((ConfirmationRequest) msg.obj); |
| break; |
| case MSG_START_PICK_OPTION: |
| if (DEBUG) Log.d(TAG, "onPickOption: req=" + msg.obj); |
| onRequestPickOption((PickOptionRequest) msg.obj); |
| break; |
| case MSG_START_COMPLETE_VOICE: |
| if (DEBUG) Log.d(TAG, "onCompleteVoice: req=" + msg.obj); |
| onRequestCompleteVoice((CompleteVoiceRequest) msg.obj); |
| break; |
| case MSG_START_ABORT_VOICE: |
| if (DEBUG) Log.d(TAG, "onAbortVoice: req=" + msg.obj); |
| onRequestAbortVoice((AbortVoiceRequest) msg.obj); |
| break; |
| case MSG_START_COMMAND: |
| if (DEBUG) Log.d(TAG, "onCommand: req=" + msg.obj); |
| onRequestCommand((CommandRequest) msg.obj); |
| break; |
| case MSG_SUPPORTS_COMMANDS: |
| args = (SomeArgs)msg.obj; |
| if (DEBUG) Log.d(TAG, "onGetSupportedCommands: cmds=" + args.arg1); |
| args.arg1 = onGetSupportedCommands((String[]) args.arg1); |
| args.complete(); |
| args = null; |
| break; |
| case MSG_CANCEL: |
| if (DEBUG) Log.d(TAG, "onCancel: req=" + ((Request)msg.obj)); |
| onCancelRequest((Request) msg.obj); |
| break; |
| case MSG_TASK_STARTED: |
| if (DEBUG) Log.d(TAG, "onTaskStarted: intent=" + msg.obj |
| + " taskId=" + msg.arg1); |
| onTaskStarted((Intent) msg.obj, msg.arg1); |
| break; |
| case MSG_TASK_FINISHED: |
| if (DEBUG) Log.d(TAG, "onTaskFinished: intent=" + msg.obj |
| + " taskId=" + msg.arg1); |
| onTaskFinished((Intent) msg.obj, msg.arg1); |
| break; |
| case MSG_CLOSE_SYSTEM_DIALOGS: |
| if (DEBUG) Log.d(TAG, "onCloseSystemDialogs"); |
| onCloseSystemDialogs(); |
| break; |
| case MSG_DESTROY: |
| if (DEBUG) Log.d(TAG, "doDestroy"); |
| doDestroy(); |
| break; |
| case MSG_HANDLE_ASSIST: |
| args = (SomeArgs)msg.obj; |
| if (DEBUG) Log.d(TAG, "onHandleAssist: taskId=" + args.argi1 |
| + "assistToken=" + args.arg5 + " data=" + args.arg1 |
| + " structure=" + args.arg2 + " content=" + args.arg3 |
| + " activityIndex=" + args.argi5 + " activityCount=" + args.argi6); |
| doOnHandleAssist(args.argi1, (IBinder) args.arg5, (Bundle) args.arg1, |
| (AssistStructure) args.arg2, (Throwable) args.arg3, |
| (AssistContent) args.arg4, args.argi5, args.argi6); |
| break; |
| case MSG_HANDLE_SCREENSHOT: |
| if (DEBUG) Log.d(TAG, "onHandleScreenshot: " + msg.obj); |
| onHandleScreenshot((Bitmap) msg.obj); |
| break; |
| case MSG_SHOW: |
| args = (SomeArgs)msg.obj; |
| if (DEBUG) Log.d(TAG, "doShow: args=" + args.arg1 |
| + " flags=" + msg.arg1 |
| + " showCallback=" + args.arg2); |
| doShow((Bundle) args.arg1, msg.arg1, |
| (IVoiceInteractionSessionShowCallback) args.arg2); |
| break; |
| case MSG_HIDE: |
| if (DEBUG) Log.d(TAG, "doHide"); |
| doHide(); |
| break; |
| case MSG_ON_LOCKSCREEN_SHOWN: |
| if (DEBUG) Log.d(TAG, "onLockscreenShown"); |
| onLockscreenShown(); |
| break; |
| } |
| if (args != null) { |
| args.recycle(); |
| } |
| } |
| |
| @Override |
| public void onBackPressed() { |
| VoiceInteractionSession.this.onBackPressed(); |
| } |
| } |
| |
| final MyCallbacks mCallbacks = new MyCallbacks(); |
| |
| /** |
| * Information about where interesting parts of the input method UI appear. |
| */ |
| public static final class Insets { |
| /** |
| * This is the part of the UI that is the main content. It is |
| * used to determine the basic space needed, to resize/pan the |
| * application behind. It is assumed that this inset does not |
| * change very much, since any change will cause a full resize/pan |
| * of the application behind. This value is relative to the top edge |
| * of the input method window. |
| */ |
| public final Rect contentInsets = new Rect(); |
| |
| /** |
| * This is the region of the UI that is touchable. It is used when |
| * {@link #touchableInsets} is set to {@link #TOUCHABLE_INSETS_REGION}. |
| * The region should be specified relative to the origin of the window frame. |
| */ |
| public final Region touchableRegion = new Region(); |
| |
| /** |
| * Option for {@link #touchableInsets}: the entire window frame |
| * can be touched. |
| */ |
| public static final int TOUCHABLE_INSETS_FRAME |
| = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME; |
| |
| /** |
| * Option for {@link #touchableInsets}: the area inside of |
| * the content insets can be touched. |
| */ |
| public static final int TOUCHABLE_INSETS_CONTENT |
| = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_CONTENT; |
| |
| /** |
| * Option for {@link #touchableInsets}: the region specified by |
| * {@link #touchableRegion} can be touched. |
| */ |
| public static final int TOUCHABLE_INSETS_REGION |
| = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION; |
| |
| /** |
| * Determine which area of the window is touchable by the user. May |
| * be one of: {@link #TOUCHABLE_INSETS_FRAME}, |
| * {@link #TOUCHABLE_INSETS_CONTENT}, or {@link #TOUCHABLE_INSETS_REGION}. |
| */ |
| public int touchableInsets; |
| } |
| |
| final ViewTreeObserver.OnComputeInternalInsetsListener mInsetsComputer = |
| new ViewTreeObserver.OnComputeInternalInsetsListener() { |
| public void onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo info) { |
| onComputeInsets(mTmpInsets); |
| info.contentInsets.set(mTmpInsets.contentInsets); |
| info.visibleInsets.set(mTmpInsets.contentInsets); |
| info.touchableRegion.set(mTmpInsets.touchableRegion); |
| info.setTouchableInsets(mTmpInsets.touchableInsets); |
| } |
| }; |
| |
| public VoiceInteractionSession(Context context) { |
| this(context, new Handler()); |
| } |
| |
| public VoiceInteractionSession(Context context, Handler handler) { |
| mContext = context; |
| mHandlerCaller = new HandlerCaller(context, handler.getLooper(), |
| mCallbacks, true); |
| } |
| |
| public Context getContext() { |
| return mContext; |
| } |
| |
| void addRequest(Request req) { |
| synchronized (this) { |
| mActiveRequests.put(req.mInterface.asBinder(), req); |
| } |
| } |
| |
| boolean isRequestActive(IBinder reqInterface) { |
| synchronized (this) { |
| return mActiveRequests.containsKey(reqInterface); |
| } |
| } |
| |
| Request removeRequest(IBinder reqInterface) { |
| synchronized (this) { |
| return mActiveRequests.remove(reqInterface); |
| } |
| } |
| |
| void doCreate(IVoiceInteractionManagerService service, IBinder token) { |
| mSystemService = service; |
| mToken = token; |
| onCreate(); |
| } |
| |
| void doShow(Bundle args, int flags, final IVoiceInteractionSessionShowCallback showCallback) { |
| if (DEBUG) Log.v(TAG, "Showing window: mWindowAdded=" + mWindowAdded |
| + " mWindowVisible=" + mWindowVisible); |
| |
| if (mInShowWindow) { |
| Log.w(TAG, "Re-entrance in to showWindow"); |
| return; |
| } |
| |
| try { |
| mInShowWindow = true; |
| onPrepareShow(args, flags); |
| if (!mWindowVisible) { |
| ensureWindowAdded(); |
| } |
| onShow(args, flags); |
| if (!mWindowVisible) { |
| mWindowVisible = true; |
| if (mUiEnabled) { |
| mWindow.show(); |
| } |
| } |
| if (showCallback != null) { |
| if (mUiEnabled) { |
| mRootView.invalidate(); |
| mRootView.getViewTreeObserver().addOnPreDrawListener( |
| new ViewTreeObserver.OnPreDrawListener() { |
| @Override |
| public boolean onPreDraw() { |
| mRootView.getViewTreeObserver().removeOnPreDrawListener(this); |
| try { |
| showCallback.onShown(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling onShown", e); |
| } |
| return true; |
| } |
| }); |
| } else { |
| try { |
| showCallback.onShown(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling onShown", e); |
| } |
| } |
| } |
| } finally { |
| mWindowWasVisible = true; |
| mInShowWindow = false; |
| } |
| } |
| |
| void doHide() { |
| if (mWindowVisible) { |
| ensureWindowHidden(); |
| mWindowVisible = false; |
| onHide(); |
| } |
| } |
| |
| void doDestroy() { |
| onDestroy(); |
| if (mKillCallback != null) { |
| try { |
| mKillCallback.cancel(); |
| } catch (RemoteException e) { |
| /* ignore */ |
| } |
| mKillCallback = null; |
| } |
| if (mInitialized) { |
| mRootView.getViewTreeObserver().removeOnComputeInternalInsetsListener( |
| mInsetsComputer); |
| if (mWindowAdded) { |
| mWindow.dismiss(); |
| mWindowAdded = false; |
| } |
| mInitialized = false; |
| } |
| } |
| |
| void ensureWindowCreated() { |
| if (mInitialized) { |
| return; |
| } |
| |
| if (!mUiEnabled) { |
| throw new IllegalStateException("setUiEnabled is false"); |
| } |
| |
| mInitialized = true; |
| mInflater = (LayoutInflater)mContext.getSystemService( |
| Context.LAYOUT_INFLATER_SERVICE); |
| mWindow = new SoftInputWindow(mContext, "VoiceInteractionSession", mTheme, |
| mCallbacks, this, mDispatcherState, |
| WindowManager.LayoutParams.TYPE_VOICE_INTERACTION, Gravity.BOTTOM, true); |
| mWindow.getWindow().addFlags( |
| WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED | |
| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN | |
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); |
| |
| mThemeAttrs = mContext.obtainStyledAttributes(android.R.styleable.VoiceInteractionSession); |
| mRootView = mInflater.inflate( |
| com.android.internal.R.layout.voice_interaction_session, null); |
| mRootView.setSystemUiVisibility( |
| View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
| | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); |
| mWindow.setContentView(mRootView); |
| mRootView.getViewTreeObserver().addOnComputeInternalInsetsListener(mInsetsComputer); |
| |
| mContentFrame = (FrameLayout)mRootView.findViewById(android.R.id.content); |
| |
| mWindow.getWindow().setLayout(MATCH_PARENT, MATCH_PARENT); |
| mWindow.setToken(mToken); |
| } |
| |
| void ensureWindowAdded() { |
| if (mUiEnabled && !mWindowAdded) { |
| mWindowAdded = true; |
| ensureWindowCreated(); |
| View v = onCreateContentView(); |
| if (v != null) { |
| setContentView(v); |
| } |
| } |
| } |
| |
| void ensureWindowHidden() { |
| if (mWindow != null) { |
| mWindow.hide(); |
| } |
| } |
| |
| /** |
| * Equivalent to {@link VoiceInteractionService#setDisabledShowContext |
| * VoiceInteractionService.setDisabledShowContext(int)}. |
| */ |
| public void setDisabledShowContext(int flags) { |
| try { |
| mSystemService.setDisabledShowContext(flags); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Equivalent to {@link VoiceInteractionService#getDisabledShowContext |
| * VoiceInteractionService.getDisabledShowContext}. |
| */ |
| public int getDisabledShowContext() { |
| try { |
| return mSystemService.getDisabledShowContext(); |
| } catch (RemoteException e) { |
| return 0; |
| } |
| } |
| |
| /** |
| * Return which show context flags have been disabled by the user through the system |
| * settings UI, so the session will never get this data. Returned flags are any combination of |
| * {@link VoiceInteractionSession#SHOW_WITH_ASSIST VoiceInteractionSession.SHOW_WITH_ASSIST} and |
| * {@link VoiceInteractionSession#SHOW_WITH_SCREENSHOT |
| * VoiceInteractionSession.SHOW_WITH_SCREENSHOT}. Note that this only tells you about |
| * global user settings, not about restrictions that may be applied contextual based on |
| * the current application the user is in or other transient states. |
| */ |
| public int getUserDisabledShowContext() { |
| try { |
| return mSystemService.getUserDisabledShowContext(); |
| } catch (RemoteException e) { |
| return 0; |
| } |
| } |
| |
| /** |
| * Show the UI for this session. This asks the system to go through the process of showing |
| * your UI, which will eventually culminate in {@link #onShow}. This is similar to calling |
| * {@link VoiceInteractionService#showSession VoiceInteractionService.showSession}. |
| * @param args Arbitrary arguments that will be propagated {@link #onShow}. |
| * @param flags Indicates additional optional behavior that should be performed. May |
| * be any combination of |
| * {@link VoiceInteractionSession#SHOW_WITH_ASSIST VoiceInteractionSession.SHOW_WITH_ASSIST} and |
| * {@link VoiceInteractionSession#SHOW_WITH_SCREENSHOT |
| * VoiceInteractionSession.SHOW_WITH_SCREENSHOT} |
| * to request that the system generate and deliver assist data on the current foreground |
| * app as part of showing the session UI. |
| */ |
| public void show(Bundle args, int flags) { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| try { |
| mSystemService.showSessionFromSession(mToken, args, flags); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Hide the session's UI, if currently shown. Call this when you are done with your |
| * user interaction. |
| */ |
| public void hide() { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| try { |
| mSystemService.hideSessionFromSession(mToken); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Control whether the UI layer for this session is enabled. It is enabled by default. |
| * If set to false, you will not be able to provide a UI through {@link #onCreateContentView()}. |
| */ |
| public void setUiEnabled(boolean enabled) { |
| if (mUiEnabled != enabled) { |
| mUiEnabled = enabled; |
| if (mWindowVisible) { |
| if (enabled) { |
| ensureWindowAdded(); |
| mWindow.show(); |
| } else { |
| ensureWindowHidden(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * You can call this to customize the theme used by your IME's window. |
| * This must be set before {@link #onCreate}, so you |
| * will typically call it in your constructor with the resource ID |
| * of your custom theme. |
| */ |
| public void setTheme(int theme) { |
| if (mWindow != null) { |
| throw new IllegalStateException("Must be called before onCreate()"); |
| } |
| mTheme = theme; |
| } |
| |
| /** |
| * Ask that a new activity be started for voice interaction. This will create a |
| * new dedicated task in the activity manager for this voice interaction session; |
| * this means that {@link Intent#FLAG_ACTIVITY_NEW_TASK Intent.FLAG_ACTIVITY_NEW_TASK} |
| * will be set for you to make it a new task. |
| * |
| * <p>The newly started activity will be displayed to the user in a special way, as |
| * a layer under the voice interaction UI.</p> |
| * |
| * <p>As the voice activity runs, it can retrieve a {@link android.app.VoiceInteractor} |
| * through which it can perform voice interactions through your session. These requests |
| * for voice interactions will appear as callbacks on {@link #onGetSupportedCommands}, |
| * {@link #onRequestConfirmation}, {@link #onRequestPickOption}, |
| * {@link #onRequestCompleteVoice}, {@link #onRequestAbortVoice}, |
| * or {@link #onRequestCommand} |
| * |
| * <p>You will receive a call to {@link #onTaskStarted} when the task starts up |
| * and {@link #onTaskFinished} when the last activity has finished. |
| * |
| * @param intent The Intent to start this voice interaction. The given Intent will |
| * always have {@link Intent#CATEGORY_VOICE Intent.CATEGORY_VOICE} added to it, since |
| * this is part of a voice interaction. |
| */ |
| public void startVoiceActivity(Intent intent) { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| try { |
| intent.migrateExtraStreamToClipData(); |
| intent.prepareToLeaveProcess(mContext); |
| int res = mSystemService.startVoiceActivity(mToken, intent, |
| intent.resolveType(mContext.getContentResolver())); |
| Instrumentation.checkStartActivityResult(res, intent); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * <p>Ask that a new assistant activity be started. This will create a new task in the |
| * in activity manager: this means that |
| * {@link Intent#FLAG_ACTIVITY_NEW_TASK Intent.FLAG_ACTIVITY_NEW_TASK} |
| * will be set for you to make it a new task.</p> |
| * |
| * <p>The newly started activity will be displayed on top of other activities in the system |
| * in a new layer that is not affected by multi-window mode. Tasks started from this activity |
| * will go into the normal activity layer and not this new layer.</p> |
| * |
| * <p>By default, the system will create a window for the UI for this session. If you are using |
| * an assistant activity instead, then you can disable the window creation by calling |
| * {@link #setUiEnabled} in {@link #onPrepareShow(Bundle, int)}.</p> |
| */ |
| public void startAssistantActivity(Intent intent) { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| try { |
| intent.migrateExtraStreamToClipData(); |
| intent.prepareToLeaveProcess(mContext); |
| int res = mSystemService.startAssistantActivity(mToken, intent, |
| intent.resolveType(mContext.getContentResolver())); |
| Instrumentation.checkStartActivityResult(res, intent); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Requests a list of supported actions from an app. |
| * |
| * @param activityId Ths activity id of the app to get the actions from. |
| * @param resultExecutor The handler to receive the callback |
| * @param cancellationSignal A signal to cancel the operation in progress, |
| * or {@code null} if none. |
| * @param callback The callback to receive the response |
| */ |
| public final void requestDirectActions(@NonNull ActivityId activityId, |
| @Nullable CancellationSignal cancellationSignal, |
| @NonNull @CallbackExecutor Executor resultExecutor, |
| @NonNull Consumer<List<DirectAction>> callback) { |
| Preconditions.checkNotNull(activityId); |
| Preconditions.checkNotNull(resultExecutor); |
| Preconditions.checkNotNull(callback); |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| |
| if (cancellationSignal != null) { |
| cancellationSignal.throwIfCanceled(); |
| } |
| |
| final RemoteCallback cancellationCallback = (cancellationSignal != null) |
| ? new RemoteCallback(b -> { |
| if (b != null) { |
| final IBinder cancellation = b.getBinder( |
| VoiceInteractor.KEY_CANCELLATION_SIGNAL); |
| if (cancellation != null) { |
| cancellationSignal.setRemote(ICancellationSignal.Stub.asInterface( |
| cancellation)); |
| } |
| } |
| }) |
| : null; |
| |
| try { |
| mSystemService.requestDirectActions(mToken, activityId.getTaskId(), |
| activityId.getAssistToken(), cancellationCallback, |
| new RemoteCallback(createSafeResultListener((result) -> { |
| List<DirectAction> list; |
| if (result == null) { |
| list = Collections.emptyList(); |
| } else { |
| final ParceledListSlice<DirectAction> pls = result.getParcelable( |
| DirectAction.KEY_ACTIONS_LIST); |
| if (pls != null) { |
| final List<DirectAction> receivedList = pls.getList(); |
| list = (receivedList != null) ? receivedList : Collections.emptyList(); |
| } else { |
| list = Collections.emptyList(); |
| } |
| } |
| resultExecutor.execute(() -> callback.accept(list)); |
| }))); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Called when the direct actions are invalidated. |
| */ |
| public void onDirectActionsInvalidated(@NonNull ActivityId activityId) { |
| |
| } |
| |
| /** |
| * Asks that an action be performed by the app. This will send a request to the app which |
| * provided this action. |
| * |
| * <p> An action could take time to execute and the result is provided asynchronously |
| * via a callback. If the action is taking longer and you want to cancel its execution |
| * you can pass in a cancellation signal through which to notify the app to abort the |
| * action. |
| * |
| * @param action The action to be performed. |
| * @param extras Any optional extras sent to the app as part of the request |
| * @param cancellationSignal A signal to cancel the operation in progress, |
| * or {@code null} if none. |
| * @param resultExecutor The handler to receive the callback. |
| * @param resultListener The callback to receive the response. |
| * |
| * @see #requestDirectActions(ActivityId, CancellationSignal, Executor, Consumer) |
| * @see Activity#onGetDirectActions(CancellationSignal, Consumer) |
| */ |
| public final void performDirectAction(@NonNull DirectAction action, @Nullable Bundle extras, |
| @Nullable CancellationSignal cancellationSignal, |
| @NonNull @CallbackExecutor Executor resultExecutor, |
| @NonNull Consumer<Bundle> resultListener) { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| Preconditions.checkNotNull(resultExecutor); |
| Preconditions.checkNotNull(resultListener); |
| |
| if (cancellationSignal != null) { |
| cancellationSignal.throwIfCanceled(); |
| } |
| |
| final RemoteCallback cancellationCallback = (cancellationSignal != null) |
| ? new RemoteCallback(createSafeResultListener(b -> { |
| if (b != null) { |
| final IBinder cancellation = b.getBinder( |
| VoiceInteractor.KEY_CANCELLATION_SIGNAL); |
| if (cancellation != null) { |
| cancellationSignal.setRemote(ICancellationSignal.Stub.asInterface( |
| cancellation)); |
| } |
| } |
| })) |
| : null; |
| |
| final RemoteCallback resultCallback = new RemoteCallback(createSafeResultListener(b -> { |
| if (b != null) { |
| resultExecutor.execute(() -> resultListener.accept(b)); |
| } else { |
| resultExecutor.execute(() -> resultListener.accept(Bundle.EMPTY)); |
| } |
| })); |
| |
| try { |
| mSystemService.performDirectAction(mToken, action.getId(), extras, |
| action.getTaskId(), action.getActivityId(), cancellationCallback, |
| resultCallback); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Set whether this session will keep the device awake while it is running a voice |
| * activity. By default, the system holds a wake lock for it while in this state, |
| * so that it can work even if the screen is off. Setting this to false removes that |
| * wake lock, allowing the CPU to go to sleep. This is typically used if the |
| * session decides it has been waiting too long for a response from the user and |
| * doesn't want to let this continue to drain the battery. |
| * |
| * <p>Passing false here will release the wake lock, and you can call later with |
| * true to re-acquire it. It will also be automatically re-acquired for you each |
| * time you start a new voice activity task -- that is when you call |
| * {@link #startVoiceActivity}.</p> |
| */ |
| public void setKeepAwake(boolean keepAwake) { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| try { |
| mSystemService.setKeepAwake(mToken, keepAwake); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Request that all system dialogs (and status bar shade etc) be closed, allowing |
| * access to the session's UI. This will <em>not</em> cause the lock screen to be |
| * dismissed. |
| */ |
| public void closeSystemDialogs() { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| try { |
| mSystemService.closeSystemDialogs(mToken); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Convenience for inflating views. |
| */ |
| public LayoutInflater getLayoutInflater() { |
| ensureWindowCreated(); |
| return mInflater; |
| } |
| |
| /** |
| * Retrieve the window being used to show the session's UI. |
| */ |
| public Dialog getWindow() { |
| ensureWindowCreated(); |
| return mWindow; |
| } |
| |
| /** |
| * Finish the session. This completely destroys the session -- the next time it is shown, |
| * an entirely new one will be created. You do not normally call this function; instead, |
| * use {@link #hide} and allow the system to destroy your session if it needs its RAM. |
| */ |
| public void finish() { |
| if (mToken == null) { |
| throw new IllegalStateException("Can't call before onCreate()"); |
| } |
| try { |
| mSystemService.finish(mToken); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Initiatize a new session. At this point you don't know exactly what this |
| * session will be used for; you will find that out in {@link #onShow}. |
| */ |
| public void onCreate() { |
| doOnCreate(); |
| } |
| |
| private void doOnCreate() { |
| mTheme = mTheme != 0 ? mTheme |
| : com.android.internal.R.style.Theme_DeviceDefault_VoiceInteractionSession; |
| } |
| |
| /** |
| * Called prior to {@link #onShow} before any UI setup has occurred. Not generally useful. |
| * |
| * @param args The arguments that were supplied to |
| * {@link VoiceInteractionService#showSession VoiceInteractionService.showSession}. |
| * @param showFlags The show flags originally provided to |
| * {@link VoiceInteractionService#showSession VoiceInteractionService.showSession}. |
| */ |
| public void onPrepareShow(Bundle args, int showFlags) { |
| } |
| |
| /** |
| * Called when the session UI is going to be shown. This is called after |
| * {@link #onCreateContentView} (if the session's content UI needed to be created) and |
| * immediately prior to the window being shown. This may be called while the window |
| * is already shown, if a show request has come in while it is shown, to allow you to |
| * update the UI to match the new show arguments. |
| * |
| * @param args The arguments that were supplied to |
| * {@link VoiceInteractionService#showSession VoiceInteractionService.showSession}. |
| * @param showFlags The show flags originally provided to |
| * {@link VoiceInteractionService#showSession VoiceInteractionService.showSession}. |
| */ |
| public void onShow(Bundle args, int showFlags) { |
| } |
| |
| /** |
| * Called immediately after stopping to show the session UI. |
| */ |
| public void onHide() { |
| } |
| |
| /** |
| * Last callback to the session as it is being finished. |
| */ |
| public void onDestroy() { |
| } |
| |
| /** |
| * Hook in which to create the session's UI. |
| */ |
| public View onCreateContentView() { |
| return null; |
| } |
| |
| public void setContentView(View view) { |
| ensureWindowCreated(); |
| mContentFrame.removeAllViews(); |
| mContentFrame.addView(view, new FrameLayout.LayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| mContentFrame.requestApplyInsets(); |
| } |
| |
| void doOnHandleAssist(int taskId, IBinder assistToken, Bundle data, AssistStructure structure, |
| Throwable failure, AssistContent content, int index, int count) { |
| if (failure != null) { |
| onAssistStructureFailure(failure); |
| } |
| AssistState assistState = new AssistState(new ActivityId(taskId, assistToken), |
| data, structure, content, index, count); |
| onHandleAssist(assistState); |
| } |
| |
| /** |
| * Called when there has been a failure transferring the {@link AssistStructure} to |
| * the assistant. This may happen, for example, if the data is too large and results |
| * in an out of memory exception, or the client has provided corrupt data. This will |
| * be called immediately before {@link #onHandleAssist} and the AssistStructure supplied |
| * there afterwards will be null. |
| * |
| * @param failure The failure exception that was thrown when building the |
| * {@link AssistStructure}. |
| */ |
| public void onAssistStructureFailure(Throwable failure) { |
| } |
| |
| /** |
| * Called to receive data from the application that the user was currently viewing when |
| * an assist session is started. If the original show request did not specify |
| * {@link #SHOW_WITH_ASSIST}, this method will not be called. |
| * |
| * @param data Arbitrary data supplied by the app through |
| * {@link android.app.Activity#onProvideAssistData Activity.onProvideAssistData}. |
| * May be null if assist data has been disabled by the user or device policy. |
| * @param structure If available, the structure definition of all windows currently |
| * displayed by the app. May be null if assist data has been disabled by the user |
| * or device policy; will be an empty stub if the application has disabled assist |
| * by marking its window as secure. |
| * @param content Additional content data supplied by the app through |
| * {@link android.app.Activity#onProvideAssistContent Activity.onProvideAssistContent}. |
| * May be null if assist data has been disabled by the user or device policy; will |
| * not be automatically filled in with data from the app if the app has marked its |
| * window as secure. |
| * |
| * @deprecated use {@link #onHandleAssist(AssistState)} |
| */ |
| @Deprecated |
| public void onHandleAssist(@Nullable Bundle data, @Nullable AssistStructure structure, |
| @Nullable AssistContent content) { |
| } |
| |
| /** |
| * Called to receive data from the application that the user was currently viewing when |
| * an assist session is started. If the original show request did not specify |
| * {@link #SHOW_WITH_ASSIST}, this method will not be called. |
| * |
| * <p>This method is called for all activities along with an index and count that indicates |
| * which activity the data is for. {@code index} will be between 0 and {@code count}-1 and |
| * this method is called once for each activity in no particular order. The {@code count} |
| * indicates how many activities to expect assist data for, including the top focused one. |
| * The focused activity can be determined by calling {@link AssistState#isFocused()}. |
| * |
| * <p>To be responsive to assist requests, process assist data as soon as it is received, |
| * without waiting for all queued activities to return assist data. |
| * |
| * @param state The state object capturing the state of an activity. |
| */ |
| public void onHandleAssist(@NonNull AssistState state) { |
| if (state.getIndex() == 0) { |
| onHandleAssist(state.getAssistData(), state.getAssistStructure(), |
| state.getAssistContent()); |
| } else { |
| onHandleAssistSecondary(state.getAssistData(), state.getAssistStructure(), |
| state.getAssistContent(), state.getIndex(), state.getCount()); |
| } |
| } |
| |
| /** |
| * Called to receive data from other applications that the user was or is interacting with, |
| * that are currently on the screen in a multi-window display environment, not including the |
| * currently focused activity. This could be |
| * a free-form window, a picture-in-picture window, or another window in a split-screen display. |
| * <p> |
| * This method is very similar to |
| * {@link #onHandleAssist} except that it is called |
| * for additional non-focused activities along with an index and count that indicates |
| * which additional activity the data is for. {@code index} will be between 1 and |
| * {@code count}-1 and this method is called once for each additional window, in no particular |
| * order. The {@code count} indicates how many windows to expect assist data for, including the |
| * top focused activity, which continues to be returned via {@link #onHandleAssist}. |
| * <p> |
| * To be responsive to assist requests, process assist data as soon as it is received, |
| * without waiting for all queued activities to return assist data. |
| * |
| * @param data Arbitrary data supplied by the app through |
| * {@link android.app.Activity#onProvideAssistData Activity.onProvideAssistData}. |
| * May be null if assist data has been disabled by the user or device policy. |
| * @param structure If available, the structure definition of all windows currently |
| * displayed by the app. May be null if assist data has been disabled by the user |
| * or device policy; will be an empty stub if the application has disabled assist |
| * by marking its window as secure. |
| * @param content Additional content data supplied by the app through |
| * {@link android.app.Activity#onProvideAssistContent Activity.onProvideAssistContent}. |
| * May be null if assist data has been disabled by the user or device policy; will |
| * not be automatically filled in with data from the app if the app has marked its |
| * window as secure. |
| * @param index the index of the additional activity that this data |
| * is for. |
| * @param count the total number of additional activities for which the assist data is being |
| * returned, including the focused activity that is returned via |
| * {@link #onHandleAssist}. |
| * |
| * @deprecated use {@link #onHandleAssist(AssistState)} |
| */ |
| @Deprecated |
| public void onHandleAssistSecondary(@Nullable Bundle data, @Nullable AssistStructure structure, |
| @Nullable AssistContent content, int index, int count) { |
| } |
| |
| /** |
| * Called to receive a screenshot of what the user was currently viewing when an assist |
| * session is started. May be null if screenshots are disabled by the user, policy, |
| * or application. If the original show request did not specify |
| * {@link #SHOW_WITH_SCREENSHOT}, this method will not be called. |
| */ |
| public void onHandleScreenshot(@Nullable Bitmap screenshot) { |
| } |
| |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| return false; |
| } |
| |
| public boolean onKeyLongPress(int keyCode, KeyEvent event) { |
| return false; |
| } |
| |
| public boolean onKeyUp(int keyCode, KeyEvent event) { |
| return false; |
| } |
| |
| public boolean onKeyMultiple(int keyCode, int count, KeyEvent event) { |
| return false; |
| } |
| |
| /** |
| * Called when the user presses the back button while focus is in the session UI. Note |
| * that this will only happen if the session UI has requested input focus in its window; |
| * otherwise, the back key will go to whatever window has focus and do whatever behavior |
| * it normally has there. The default implementation simply calls {@link #hide}. |
| */ |
| public void onBackPressed() { |
| hide(); |
| } |
| |
| /** |
| * Sessions automatically watch for requests that all system UI be closed (such as when |
| * the user presses HOME), which will appear here. The default implementation always |
| * calls {@link #hide}. |
| */ |
| public void onCloseSystemDialogs() { |
| hide(); |
| } |
| |
| /** |
| * Called when the lockscreen was shown. |
| */ |
| public void onLockscreenShown() { |
| hide(); |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| } |
| |
| @Override |
| public void onLowMemory() { |
| } |
| |
| @Override |
| public void onTrimMemory(int level) { |
| } |
| |
| /** |
| * Compute the interesting insets into your UI. The default implementation |
| * sets {@link Insets#contentInsets outInsets.contentInsets.top} to the height |
| * of the window, meaning it should not adjust content underneath. The default touchable |
| * insets are {@link Insets#TOUCHABLE_INSETS_FRAME}, meaning it consumes all touch |
| * events within its window frame. |
| * |
| * @param outInsets Fill in with the current UI insets. |
| */ |
| public void onComputeInsets(Insets outInsets) { |
| outInsets.contentInsets.left = 0; |
| outInsets.contentInsets.bottom = 0; |
| outInsets.contentInsets.right = 0; |
| View decor = getWindow().getWindow().getDecorView(); |
| outInsets.contentInsets.top = decor.getHeight(); |
| outInsets.touchableInsets = Insets.TOUCHABLE_INSETS_FRAME; |
| outInsets.touchableRegion.setEmpty(); |
| } |
| |
| /** |
| * Called when a task initiated by {@link #startVoiceActivity(android.content.Intent)} |
| * has actually started. |
| * |
| * @param intent The original {@link Intent} supplied to |
| * {@link #startVoiceActivity(android.content.Intent)}. |
| * @param taskId Unique ID of the now running task. |
| */ |
| public void onTaskStarted(Intent intent, int taskId) { |
| } |
| |
| /** |
| * Called when the last activity of a task initiated by |
| * {@link #startVoiceActivity(android.content.Intent)} has finished. The default |
| * implementation calls {@link #finish()} on the assumption that this represents |
| * the completion of a voice action. You can override the implementation if you would |
| * like a different behavior. |
| * |
| * @param intent The original {@link Intent} supplied to |
| * {@link #startVoiceActivity(android.content.Intent)}. |
| * @param taskId Unique ID of the finished task. |
| */ |
| public void onTaskFinished(Intent intent, int taskId) { |
| hide(); |
| } |
| |
| /** |
| * Request to query for what extended commands the session supports. |
| * |
| * @param commands An array of commands that are being queried. |
| * @return Return an array of booleans indicating which of each entry in the |
| * command array is supported. A true entry in the array indicates the command |
| * is supported; false indicates it is not. The default implementation returns |
| * an array of all false entries. |
| */ |
| public boolean[] onGetSupportedCommands(String[] commands) { |
| return new boolean[commands.length]; |
| } |
| |
| /** |
| * Request to confirm with the user before proceeding with an unrecoverable operation, |
| * corresponding to a {@link android.app.VoiceInteractor.ConfirmationRequest |
| * VoiceInteractor.ConfirmationRequest}. |
| * |
| * @param request The active request. |
| */ |
| public void onRequestConfirmation(ConfirmationRequest request) { |
| } |
| |
| /** |
| * Request for the user to pick one of N options, corresponding to a |
| * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}. |
| * |
| * @param request The active request. |
| */ |
| public void onRequestPickOption(PickOptionRequest request) { |
| } |
| |
| /** |
| * Request to complete the voice interaction session because the voice activity successfully |
| * completed its interaction using voice. Corresponds to |
| * {@link android.app.VoiceInteractor.CompleteVoiceRequest |
| * VoiceInteractor.CompleteVoiceRequest}. The default implementation just sends an empty |
| * confirmation back to allow the activity to exit. |
| * |
| * @param request The active request. |
| */ |
| public void onRequestCompleteVoice(CompleteVoiceRequest request) { |
| } |
| |
| /** |
| * Request to abort the voice interaction session because the voice activity can not |
| * complete its interaction using voice. Corresponds to |
| * {@link android.app.VoiceInteractor.AbortVoiceRequest |
| * VoiceInteractor.AbortVoiceRequest}. The default implementation just sends an empty |
| * confirmation back to allow the activity to exit. |
| * |
| * @param request The active request. |
| */ |
| public void onRequestAbortVoice(AbortVoiceRequest request) { |
| } |
| |
| /** |
| * Process an arbitrary extended command from the caller, |
| * corresponding to a {@link android.app.VoiceInteractor.CommandRequest |
| * VoiceInteractor.CommandRequest}. |
| * |
| * @param request The active request. |
| */ |
| public void onRequestCommand(CommandRequest request) { |
| } |
| |
| /** |
| * Called when the {@link android.app.VoiceInteractor} has asked to cancel a {@link Request} |
| * that was previously delivered to {@link #onRequestConfirmation}, |
| * {@link #onRequestPickOption}, {@link #onRequestCompleteVoice}, {@link #onRequestAbortVoice}, |
| * or {@link #onRequestCommand}. |
| * |
| * @param request The request that is being canceled. |
| */ |
| public void onCancelRequest(Request request) { |
| } |
| |
| /** |
| * Print the Service's state into the given stream. This gets invoked by |
| * {@link VoiceInteractionSessionService} when its Service |
| * {@link android.app.Service#dump} method is called. |
| * |
| * @param prefix Text to print at the front of each line. |
| * @param fd The raw file descriptor that the dump is being sent to. |
| * @param writer The PrintWriter to which you should dump your state. This will be |
| * closed for you after you return. |
| * @param args additional arguments to the dump request. |
| */ |
| public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { |
| writer.print(prefix); writer.print("mToken="); writer.println(mToken); |
| writer.print(prefix); writer.print("mTheme=#"); writer.println(Integer.toHexString(mTheme)); |
| writer.print(prefix); writer.print("mUiEnabled="); writer.println(mUiEnabled); |
| writer.print(" mInitialized="); writer.println(mInitialized); |
| writer.print(prefix); writer.print("mWindowAdded="); writer.print(mWindowAdded); |
| writer.print(" mWindowVisible="); writer.println(mWindowVisible); |
| writer.print(prefix); writer.print("mWindowWasVisible="); writer.print(mWindowWasVisible); |
| writer.print(" mInShowWindow="); writer.println(mInShowWindow); |
| if (mActiveRequests.size() > 0) { |
| writer.print(prefix); writer.println("Active requests:"); |
| String innerPrefix = prefix + " "; |
| for (int i=0; i<mActiveRequests.size(); i++) { |
| Request req = mActiveRequests.valueAt(i); |
| writer.print(prefix); writer.print(" #"); writer.print(i); |
| writer.print(": "); |
| writer.println(req); |
| req.dump(innerPrefix, fd, writer, args); |
| |
| } |
| } |
| } |
| |
| private SafeResultListener createSafeResultListener( |
| @NonNull Consumer<Bundle> consumer) { |
| synchronized (this) { |
| final SafeResultListener listener = new SafeResultListener(consumer, this); |
| mRemoteCallbacks.put(listener, consumer); |
| return listener; |
| } |
| } |
| |
| private Consumer<Bundle> removeSafeResultListener(@NonNull SafeResultListener listener) { |
| synchronized (this) { |
| return mRemoteCallbacks.remove(listener); |
| } |
| } |
| |
| /** |
| * Represents assist state captured when this session was started. |
| * It contains the various assist data objects and a reference to |
| * the source activity. |
| */ |
| @Immutable |
| public static final class AssistState { |
| private final @NonNull ActivityId mActivityId; |
| private final int mIndex; |
| private final int mCount; |
| private final @Nullable Bundle mData; |
| private final @Nullable AssistStructure mStructure; |
| private final @Nullable AssistContent mContent; |
| |
| AssistState(@NonNull ActivityId activityId, @Nullable Bundle data, |
| @Nullable AssistStructure structure, @Nullable AssistContent content, |
| int index, int count) { |
| mActivityId = activityId; |
| mIndex = index; |
| mCount = count; |
| mData = data; |
| mStructure = structure; |
| mContent = content; |
| } |
| |
| /** |
| * @return whether the source activity is focused. |
| */ |
| public boolean isFocused() { |
| return mIndex == 0; |
| } |
| |
| /** |
| * @return the index of the activity that this state is for or -1 |
| * if there was no assist data captured. |
| */ |
| public @IntRange(from = -1) int getIndex() { |
| return mIndex; |
| } |
| |
| /**s |
| * @return the total number of activities for which the assist data is |
| * being returned. |
| */ |
| public @IntRange(from = 0) int getCount() { |
| return mCount; |
| } |
| |
| /** |
| * @return the id of the source activity |
| */ |
| public @NonNull ActivityId getActivityId() { |
| return mActivityId; |
| } |
| |
| /** |
| * @return Arbitrary data supplied by the app through |
| * {@link android.app.Activity#onProvideAssistData Activity.onProvideAssistData}. |
| * May be null if assist data has been disabled by the user or device policy. |
| */ |
| public @Nullable Bundle getAssistData() { |
| return mData; |
| } |
| |
| /** |
| * @return If available, the structure definition of all windows currently |
| * displayed by the app. May be null if assist data has been disabled by the user |
| * or device policy; will be an empty stub if the application has disabled assist |
| * by marking its window as secure. |
| */ |
| public @Nullable AssistStructure getAssistStructure() { |
| return mStructure; |
| } |
| |
| /** |
| * @return Additional content data supplied by the app through |
| * {@link android.app.Activity#onProvideAssistContent Activity.onProvideAssistContent}. |
| * May be null if assist data has been disabled by the user or device policy; will |
| * not be automatically filled in with data from the app if the app has marked its |
| * window as secure. |
| */ |
| public @Nullable AssistContent getAssistContent() { |
| return mContent; |
| } |
| } |
| |
| /** |
| * Represents the id of an assist source activity. You can use |
| * {@link #equals(Object)} to compare instances of this class. |
| */ |
| public static class ActivityId { |
| private final int mTaskId; |
| private final IBinder mAssistToken; |
| |
| ActivityId(int taskId, IBinder assistToken) { |
| mTaskId = taskId; |
| mAssistToken = assistToken; |
| } |
| |
| int getTaskId() { |
| return mTaskId; |
| } |
| |
| IBinder getAssistToken() { |
| return mAssistToken; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| ActivityId that = (ActivityId) o; |
| |
| if (mTaskId != that.mTaskId) { |
| return false; |
| } |
| return mAssistToken != null |
| ? mAssistToken.equals(that.mAssistToken) |
| : that.mAssistToken == null; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = mTaskId; |
| result = 31 * result + (mAssistToken != null ? mAssistToken.hashCode() : 0); |
| return result; |
| } |
| } |
| |
| private static class SafeResultListener implements RemoteCallback.OnResultListener { |
| private final @NonNull WeakReference<VoiceInteractionSession> mWeakSession; |
| |
| SafeResultListener(@NonNull Consumer<Bundle> action, |
| @NonNull VoiceInteractionSession session) { |
| mWeakSession = new WeakReference<>(session); |
| } |
| |
| @Override |
| public void onResult(Bundle result) { |
| final VoiceInteractionSession session = mWeakSession.get(); |
| if (session != null) { |
| final Consumer<Bundle> consumer = session.removeSafeResultListener(this); |
| if (consumer != null) { |
| consumer.accept(result); |
| } |
| } |
| } |
| } |
| } |
