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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* 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.app;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.LocusId;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Parcel;
import android.os.Parcelable;
import com.android.internal.util.Preconditions;
import java.util.Objects;
/**
* Represents an abstract action that can be perform on this app. This are requested from
* outside the app's UI (eg by SystemUI or assistant). The semantics of these actions are
* not specified by the OS. This allows open-ended and scalable approach for defining how
* an app interacts with components that expose alternative interaction models to the user
* such as the assistant, SystemUI, etc. You can use {@link #equals(Object)} to compare
* instances of this class.
*/
public final class DirectAction implements Parcelable {
/**
* @hide
*/
public static final String KEY_ACTIONS_LIST = "actions_list";
private int mTaskId;
private IBinder mActivityId;
@NonNull
private final String mID;
@Nullable
private final Bundle mExtras;
@Nullable
private final LocusId mLocusId;
/** @hide */
public DirectAction(@NonNull String id, @Nullable Bundle extras,
@Nullable LocusId locusId) {
mID = Preconditions.checkStringNotEmpty(id);
mExtras = extras;
mLocusId = locusId;
}
/** @hide */
public void setSource(int taskId, IBinder activityId) {
mTaskId = taskId;
mActivityId = activityId;
}
/**
* @hide
*/
public DirectAction(@NonNull DirectAction original) {
mTaskId = original.mTaskId;
mActivityId = original.mActivityId;
mID = original.mID;
mExtras = original.mExtras;
mLocusId = original.mLocusId;
}
private DirectAction(Parcel in) {
mTaskId = in.readInt();
mActivityId = in.readStrongBinder();
mID = in.readString();
mExtras = in.readBundle();
final String idString = in.readString();
mLocusId = (idString != null) ? new LocusId(idString) : null;
}
/** @hide */
public int getTaskId() {
return mTaskId;
}
/** @hide */
public IBinder getActivityId() {
return mActivityId;
}
/**
* @return the ID for this action.
*/
@NonNull
public String getId() {
return mID;
}
/**
* @return any extras associated with this action.
*/
@Nullable
public Bundle getExtras() {
return mExtras;
}
/**
* @return the LocusId for the current state for the app
*/
@Nullable
public LocusId getLocusId() {
return mLocusId;
}
@Override
public int describeContents() {
return 0;
}
@Override
public int hashCode() {
return mID.hashCode();
}
@Override
public boolean equals(@Nullable Object other) {
if (other == null) {
return false;
}
if (other == this) {
return true;
}
if (getClass() != other.getClass()) {
return false;
}
return mID.equals(((DirectAction) other).mID);
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mTaskId);
dest.writeStrongBinder(mActivityId);
dest.writeString(mID);
dest.writeBundle(mExtras);
dest.writeString(mLocusId.getId());
}
/**
* Builder for construction of DirectAction.
*/
public static final class Builder {
private @NonNull String mId;
private @Nullable Bundle mExtras;
private @Nullable LocusId mLocusId;
/**
* Creates a new instance.
*
* @param id The mandatory action id which must be unique in the
* current application state.
*/
public Builder(@NonNull String id) {
Objects.requireNonNull(id);
mId = id;
}
/**
* Sets the optional action extras. These extras are action specific
* and their semantics are open-ended potentially representing how
* the action is visualized, interpreted, what its arguments are, etc.
*
* @param extras The extras.
* @return This builder.
*/
public @NonNull Builder setExtras(@Nullable Bundle extras) {
mExtras = extras;
return this;
}
/**
* Sets the optional locus id. This is an identifier of the application
* state from a user perspective. For example, a specific chat in a
* messaging app.
*
* @param locusId The locus id.
* @return This builder.
*/
public @NonNull Builder setLocusId(@Nullable LocusId locusId) {
mLocusId = locusId;
return this;
}
/**
* @return A newly constructed instance.
*/
public @NonNull DirectAction build() {
return new DirectAction(mId, mExtras, mLocusId);
}
}
public static final @NonNull Parcelable.Creator CREATOR =
new Parcelable.Creator() {
public DirectAction createFromParcel(Parcel in) {
return new DirectAction(in);
}
public DirectAction[] newArray(int size) {
return new DirectAction[size];
}
};
}