blob: 15d692ab16739ccde3a8af724807eef10885eca0 [file] [log] [blame]
/*
* Copyright (C) 2016 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.annotation.SystemApi;
import android.annotation.TestApi;
import android.app.NotificationManager.Importance;
import android.compat.annotation.UnsupportedAppUsage;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ShortcutInfo;
import android.media.AudioAttributes;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Parcel;
import android.os.Parcelable;
import android.provider.Settings;
import android.service.notification.NotificationListenerService;
import android.text.TextUtils;
import android.util.Log;
import android.util.proto.ProtoOutputStream;
import com.android.internal.util.Preconditions;
import com.android.internal.util.XmlUtils;
import com.android.modules.utils.TypedXmlPullParser;
import com.android.modules.utils.TypedXmlSerializer;
import org.json.JSONException;
import org.json.JSONObject;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlSerializer;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Objects;
/**
* A representation of settings that apply to a collection of similarly themed notifications.
*/
public final class NotificationChannel implements Parcelable {
private static final String TAG = "NotificationChannel";
/**
* The id of the default channel for an app. This id is reserved by the system. All
* notifications posted from apps targeting {@link android.os.Build.VERSION_CODES#N_MR1} or
* earlier without a notification channel specified are posted to this channel.
*/
public static final String DEFAULT_CHANNEL_ID = "miscellaneous";
/**
* The formatter used by the system to create an id for notification
* channels when it automatically creates conversation channels on behalf of an app. The format
* string takes two arguments, in this order: the
* {@link #getId()} of the original notification channel, and the
* {@link ShortcutInfo#getId() id} of the conversation.
* @hide
*/
public static final String CONVERSATION_CHANNEL_ID_FORMAT = "%1$s : %2$s";
/**
* TODO: STOPSHIP remove
* Conversation id to use for apps that aren't providing them yet.
* @hide
*/
public static final String PLACEHOLDER_CONVERSATION_ID = ":placeholder_id";
/**
* Extra value for {@link Settings#EXTRA_CHANNEL_FILTER_LIST}. Include to show fields
* that have to do with editing sound, like a tone picker
* ({@link #setSound(Uri, AudioAttributes)}).
*/
public static final String EDIT_SOUND = "sound";
/**
* Extra value for {@link Settings#EXTRA_CHANNEL_FILTER_LIST}. Include to show fields
* that have to do with editing vibration ({@link #enableVibration(boolean)},
* {@link #setVibrationPattern(long[])}).
*/
public static final String EDIT_VIBRATION = "vibration";
/**
* Extra value for {@link Settings#EXTRA_CHANNEL_FILTER_LIST}. Include to show fields
* that have to do with editing importance ({@link #setImportance(int)}) and/or conversation
* priority.
*/
public static final String EDIT_IMPORTANCE = "importance";
/**
* Extra value for {@link Settings#EXTRA_CHANNEL_FILTER_LIST}. Include to show fields
* that have to do with editing behavior on devices that are locked or have a turned off
* display ({@link #setLockscreenVisibility(int)}, {@link #enableLights(boolean)},
* {@link #setLightColor(int)}).
*/
public static final String EDIT_LOCKED_DEVICE = "locked";
/**
* Extra value for {@link Settings#EXTRA_CHANNEL_FILTER_LIST}. Include to show fields
* that have to do with editing do not disturb bypass {(@link #setBypassDnd(boolean)}) .
*/
public static final String EDIT_ZEN = "zen";
/**
* Extra value for {@link Settings#EXTRA_CHANNEL_FILTER_LIST}. Include to show fields
* that have to do with editing conversation settings (demoting or restoring a channel to
* be a Conversation, changing bubble behavior, or setting the priority of a conversation).
*/
public static final String EDIT_CONVERSATION = "conversation";
/**
* Extra value for {@link Settings#EXTRA_CHANNEL_FILTER_LIST}. Include to show fields
* that have to do with editing launcher behavior (showing badges)}.
*/
public static final String EDIT_LAUNCHER = "launcher";
/**
* The maximum length for text fields in a NotificationChannel. Fields will be truncated at this
* limit.
* @hide
*/
public static final int MAX_TEXT_LENGTH = 1000;
/**
* @hide
*/
public static final int MAX_VIBRATION_LENGTH = 1000;
private static final String TAG_CHANNEL = "channel";
private static final String ATT_NAME = "name";
private static final String ATT_DESC = "desc";
private static final String ATT_ID = "id";
private static final String ATT_DELETED = "deleted";
private static final String ATT_PRIORITY = "priority";
private static final String ATT_VISIBILITY = "visibility";
private static final String ATT_IMPORTANCE = "importance";
private static final String ATT_LIGHTS = "lights";
private static final String ATT_LIGHT_COLOR = "light_color";
private static final String ATT_VIBRATION = "vibration";
private static final String ATT_VIBRATION_ENABLED = "vibration_enabled";
private static final String ATT_SOUND = "sound";
private static final String ATT_USAGE = "usage";
private static final String ATT_FLAGS = "flags";
private static final String ATT_CONTENT_TYPE = "content_type";
private static final String ATT_SHOW_BADGE = "show_badge";
private static final String ATT_USER_LOCKED = "locked";
/**
* This attribute represents both foreground services and user initiated jobs in U+.
* It was not renamed in U on purpose, in order to avoid creating an unnecessary migration path.
*/
private static final String ATT_FG_SERVICE_SHOWN = "fgservice";
private static final String ATT_GROUP = "group";
private static final String ATT_BLOCKABLE_SYSTEM = "blockable_system";
private static final String ATT_ALLOW_BUBBLE = "allow_bubbles";
private static final String ATT_ORIG_IMP = "orig_imp";
private static final String ATT_PARENT_CHANNEL = "parent";
private static final String ATT_CONVERSATION_ID = "conv_id";
private static final String ATT_IMP_CONVERSATION = "imp_conv";
private static final String ATT_DEMOTE = "dem";
private static final String ATT_DELETED_TIME_MS = "del_time";
private static final String DELIMITER = ",";
/**
* @hide
*/
public static final int USER_LOCKED_PRIORITY = 0x00000001;
/**
* @hide
*/
public static final int USER_LOCKED_VISIBILITY = 0x00000002;
/**
* @hide
*/
public static final int USER_LOCKED_IMPORTANCE = 0x00000004;
/**
* @hide
*/
public static final int USER_LOCKED_LIGHTS = 0x00000008;
/**
* @hide
*/
public static final int USER_LOCKED_VIBRATION = 0x00000010;
/**
* @hide
*/
@SystemApi
public static final int USER_LOCKED_SOUND = 0x00000020;
/**
* @hide
*/
public static final int USER_LOCKED_SHOW_BADGE = 0x00000080;
/**
* @hide
*/
public static final int USER_LOCKED_ALLOW_BUBBLE = 0x00000100;
/**
* @hide
*/
public static final int[] LOCKABLE_FIELDS = new int[] {
USER_LOCKED_PRIORITY,
USER_LOCKED_VISIBILITY,
USER_LOCKED_IMPORTANCE,
USER_LOCKED_LIGHTS,
USER_LOCKED_VIBRATION,
USER_LOCKED_SOUND,
USER_LOCKED_SHOW_BADGE,
USER_LOCKED_ALLOW_BUBBLE
};
/**
* @hide
*/
public static final int DEFAULT_ALLOW_BUBBLE = -1;
/**
* @hide
*/
public static final int ALLOW_BUBBLE_ON = 1;
/**
* @hide
*/
public static final int ALLOW_BUBBLE_OFF = 0;
private static final int DEFAULT_LIGHT_COLOR = 0;
private static final int DEFAULT_VISIBILITY =
NotificationManager.VISIBILITY_NO_OVERRIDE;
private static final int DEFAULT_IMPORTANCE =
NotificationManager.IMPORTANCE_UNSPECIFIED;
private static final boolean DEFAULT_DELETED = false;
private static final boolean DEFAULT_SHOW_BADGE = true;
private static final long DEFAULT_DELETION_TIME_MS = -1;
@UnsupportedAppUsage
private String mId;
private String mName;
private String mDesc;
private int mImportance = DEFAULT_IMPORTANCE;
private int mOriginalImportance = DEFAULT_IMPORTANCE;
private boolean mBypassDnd;
private int mLockscreenVisibility = DEFAULT_VISIBILITY;
private Uri mSound = Settings.System.DEFAULT_NOTIFICATION_URI;
private boolean mSoundRestored = false;
private boolean mLights;
private int mLightColor = DEFAULT_LIGHT_COLOR;
private long[] mVibration;
// Bitwise representation of fields that have been changed by the user, preventing the app from
// making changes to these fields.
private int mUserLockedFields;
private boolean mUserVisibleTaskShown;
private boolean mVibrationEnabled;
private boolean mShowBadge = DEFAULT_SHOW_BADGE;
private boolean mDeleted = DEFAULT_DELETED;
private String mGroup;
private AudioAttributes mAudioAttributes = Notification.AUDIO_ATTRIBUTES_DEFAULT;
// If this is a blockable system notification channel.
private boolean mBlockableSystem = false;
private int mAllowBubbles = DEFAULT_ALLOW_BUBBLE;
private boolean mImportanceLockedDefaultApp;
private String mParentId = null;
private String mConversationId = null;
private boolean mDemoted = false;
private boolean mImportantConvo = false;
private long mDeletedTime = DEFAULT_DELETION_TIME_MS;
/** Do not (de)serialize this value: it only affects logic in system_server and that logic
* is reset on each boot {@link NotificationAttentionHelper#buzzBeepBlinkLocked}.
*/
private long mLastNotificationUpdateTimeMs = 0;
/**
* Creates a notification channel.
*
* @param id The id of the channel. Must be unique per package. The value may be truncated if
* it is too long.
* @param name The user visible name of the channel. You can rename this channel when the system
* locale changes by listening for the {@link Intent#ACTION_LOCALE_CHANGED}
* broadcast. The recommended maximum length is 40 characters; the value may be
* truncated if it is too long.
* @param importance The importance of the channel. This controls how interruptive notifications
* posted to this channel are.
*/
public NotificationChannel(String id, CharSequence name, @Importance int importance) {
this.mId = getTrimmedString(id);
this.mName = name != null ? getTrimmedString(name.toString()) : null;
this.mImportance = importance;
}
/**
* @hide
*/
protected NotificationChannel(Parcel in) {
if (in.readByte() != 0) {
mId = getTrimmedString(in.readString());
} else {
mId = null;
}
if (in.readByte() != 0) {
mName = getTrimmedString(in.readString());
} else {
mName = null;
}
if (in.readByte() != 0) {
mDesc = getTrimmedString(in.readString());
} else {
mDesc = null;
}
mImportance = in.readInt();
mBypassDnd = in.readByte() != 0;
mLockscreenVisibility = in.readInt();
if (in.readByte() != 0) {
mSound = Uri.CREATOR.createFromParcel(in);
mSound = Uri.parse(getTrimmedString(mSound.toString()));
} else {
mSound = null;
}
mLights = in.readByte() != 0;
mVibration = in.createLongArray();
if (mVibration != null && mVibration.length > MAX_VIBRATION_LENGTH) {
mVibration = Arrays.copyOf(mVibration, MAX_VIBRATION_LENGTH);
}
mUserLockedFields = in.readInt();
mUserVisibleTaskShown = in.readByte() != 0;
mVibrationEnabled = in.readByte() != 0;
mShowBadge = in.readByte() != 0;
mDeleted = in.readByte() != 0;
if (in.readByte() != 0) {
mGroup = getTrimmedString(in.readString());
} else {
mGroup = null;
}
mAudioAttributes = in.readInt() > 0 ? AudioAttributes.CREATOR.createFromParcel(in) : null;
mLightColor = in.readInt();
mBlockableSystem = in.readBoolean();
mAllowBubbles = in.readInt();
mOriginalImportance = in.readInt();
mParentId = getTrimmedString(in.readString());
mConversationId = getTrimmedString(in.readString());
mDemoted = in.readBoolean();
mImportantConvo = in.readBoolean();
mDeletedTime = in.readLong();
mImportanceLockedDefaultApp = in.readBoolean();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
if (mId != null) {
dest.writeByte((byte) 1);
dest.writeString(mId);
} else {
dest.writeByte((byte) 0);
}
if (mName != null) {
dest.writeByte((byte) 1);
dest.writeString(mName);
} else {
dest.writeByte((byte) 0);
}
if (mDesc != null) {
dest.writeByte((byte) 1);
dest.writeString(mDesc);
} else {
dest.writeByte((byte) 0);
}
dest.writeInt(mImportance);
dest.writeByte(mBypassDnd ? (byte) 1 : (byte) 0);
dest.writeInt(mLockscreenVisibility);
if (mSound != null) {
dest.writeByte((byte) 1);
mSound.writeToParcel(dest, 0);
} else {
dest.writeByte((byte) 0);
}
dest.writeByte(mLights ? (byte) 1 : (byte) 0);
dest.writeLongArray(mVibration);
dest.writeInt(mUserLockedFields);
dest.writeByte(mUserVisibleTaskShown ? (byte) 1 : (byte) 0);
dest.writeByte(mVibrationEnabled ? (byte) 1 : (byte) 0);
dest.writeByte(mShowBadge ? (byte) 1 : (byte) 0);
dest.writeByte(mDeleted ? (byte) 1 : (byte) 0);
if (mGroup != null) {
dest.writeByte((byte) 1);
dest.writeString(mGroup);
} else {
dest.writeByte((byte) 0);
}
if (mAudioAttributes != null) {
dest.writeInt(1);
mAudioAttributes.writeToParcel(dest, 0);
} else {
dest.writeInt(0);
}
dest.writeInt(mLightColor);
dest.writeBoolean(mBlockableSystem);
dest.writeInt(mAllowBubbles);
dest.writeInt(mOriginalImportance);
dest.writeString(mParentId);
dest.writeString(mConversationId);
dest.writeBoolean(mDemoted);
dest.writeBoolean(mImportantConvo);
dest.writeLong(mDeletedTime);
dest.writeBoolean(mImportanceLockedDefaultApp);
}
/**
* @hide
*/
@TestApi
public void lockFields(int field) {
mUserLockedFields |= field;
}
/**
* @hide
*/
public void unlockFields(int field) {
mUserLockedFields &= ~field;
}
/**
* @hide
*/
@TestApi
public void setUserVisibleTaskShown(boolean shown) {
mUserVisibleTaskShown = shown;
}
/**
* @hide
*/
@TestApi
public void setDeleted(boolean deleted) {
mDeleted = deleted;
}
/**
* @hide
*/
@TestApi
public void setDeletedTimeMs(long time) {
mDeletedTime = time;
}
/**
* @hide
*/
@TestApi
public void setImportantConversation(boolean importantConvo) {
mImportantConvo = importantConvo;
}
/**
* Allows users to block notifications sent through this channel, if this channel belongs to
* a package that otherwise would have notifications "fixed" as enabled.
*
* If the channel does not belong to a package that has a fixed notification permission, this
* method does nothing, since such channels are blockable by default and cannot be set to be
* unblockable.
* @param blockable if {@code true}, allows users to block notifications on this channel.
*/
public void setBlockable(boolean blockable) {
mBlockableSystem = blockable;
}
// Modifiable by apps post channel creation
/**
* Sets the user visible name of this channel.
*
* <p>The recommended maximum length is 40 characters; the value may be truncated if it is too
* long.
*/
public void setName(CharSequence name) {
mName = name != null ? getTrimmedString(name.toString()) : null;
}
/**
* Sets the user visible description of this channel.
*
* <p>The recommended maximum length is 300 characters; the value may be truncated if it is too
* long.
*/
public void setDescription(String description) {
mDesc = getTrimmedString(description);
}
private String getTrimmedString(String input) {
if (input != null && input.length() > MAX_TEXT_LENGTH) {
return input.substring(0, MAX_TEXT_LENGTH);
}
return input;
}
/**
* @hide
*/
public void setId(String id) {
mId = id;
}
// Modifiable by apps on channel creation.
/**
* Sets what group this channel belongs to.
*
* Group information is only used for presentation, not for behavior.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}, unless the
* channel is not currently part of a group.
*
* @param groupId the id of a group created by
* {@link NotificationManager#createNotificationChannelGroup(NotificationChannelGroup)}.
*/
public void setGroup(String groupId) {
this.mGroup = groupId;
}
/**
* Sets whether notifications posted to this channel can appear as application icon badges
* in a Launcher.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}.
*
* @param showBadge true if badges should be allowed to be shown.
*/
public void setShowBadge(boolean showBadge) {
this.mShowBadge = showBadge;
}
/**
* Sets the sound that should be played for notifications posted to this channel and its
* audio attributes. Notification channels with an {@link #getImportance() importance} of at
* least {@link NotificationManager#IMPORTANCE_DEFAULT} should have a sound.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}.
*/
public void setSound(Uri sound, AudioAttributes audioAttributes) {
this.mSound = sound;
this.mAudioAttributes = audioAttributes;
}
/**
* Sets whether notifications posted to this channel should display notification lights,
* on devices that support that feature.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}.
*/
public void enableLights(boolean lights) {
this.mLights = lights;
}
/**
* Sets the notification light color for notifications posted to this channel, if lights are
* {@link #enableLights(boolean) enabled} on this channel and the device supports that feature.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}.
*/
public void setLightColor(int argb) {
this.mLightColor = argb;
}
/**
* Sets whether notification posted to this channel should vibrate. The vibration pattern can
* be set with {@link #setVibrationPattern(long[])}.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}.
*/
public void enableVibration(boolean vibration) {
this.mVibrationEnabled = vibration;
}
/**
* Sets the vibration pattern for notifications posted to this channel. If the provided
* pattern is valid (non-null, non-empty), will enable vibration on this channel
* (equivalent to calling {@link #enableVibration(boolean)} with {@code true}).
* Otherwise, vibration will be disabled unless {@link #enableVibration(boolean)} is
* used with {@code true}, in which case the default vibration will be used.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}.
*/
public void setVibrationPattern(long[] vibrationPattern) {
this.mVibrationEnabled = vibrationPattern != null && vibrationPattern.length > 0;
this.mVibration = vibrationPattern;
}
/**
* Sets the level of interruption of this notification channel.
*
* Only modifiable before the channel is submitted to
* {@link NotificationManager#createNotificationChannel(NotificationChannel)}.
*
* @param importance the amount the user should be interrupted by
* notifications from this channel.
*/
public void setImportance(@Importance int importance) {
this.mImportance = importance;
}
// Modifiable by a notification ranker.
/**
* Sets whether or not notifications posted to this channel can interrupt the user in
* {@link android.app.NotificationManager.Policy#INTERRUPTION_FILTER_PRIORITY} mode.
*
* Only modifiable by the system and notification ranker.
*/
public void setBypassDnd(boolean bypassDnd) {
this.mBypassDnd = bypassDnd;
}
/**
* Sets whether notifications posted to this channel appear on the lockscreen or not, and if so,
* whether they appear in a redacted form. See e.g. {@link Notification#VISIBILITY_SECRET}.
*
* Only modifiable by the system and notification ranker.
*/
public void setLockscreenVisibility(int lockscreenVisibility) {
this.mLockscreenVisibility = lockscreenVisibility;
}
/**
* As of Android 11 this value is no longer respected.
* @see #canBubble()
* @see Notification#getBubbleMetadata()
*/
public void setAllowBubbles(boolean allowBubbles) {
mAllowBubbles = allowBubbles ? ALLOW_BUBBLE_ON : ALLOW_BUBBLE_OFF;
}
/**
* @hide
*/
public void setAllowBubbles(int allowed) {
mAllowBubbles = allowed;
}
/**
* Sets this channel as being converastion-centric. Different settings and functionality may be
* exposed for conversation-centric channels.
*
* @param parentChannelId The {@link #getId()} id} of the generic channel that notifications of
* this type would be posted to in absence of a specific conversation id.
* For example, if this channel represents 'Messages from Person A', the
* parent channel would be 'Messages.'
* @param conversationId The {@link ShortcutInfo#getId()} of the shortcut representing this
* channel's conversation.
*/
public void setConversationId(@NonNull String parentChannelId,
@NonNull String conversationId) {
mParentId = parentChannelId;
mConversationId = conversationId;
}
/**
* Returns the id of this channel.
*/
public String getId() {
return mId;
}
/**
* Returns the user visible name of this channel.
*/
public CharSequence getName() {
return mName;
}
/**
* Returns the user visible description of this channel.
*/
public String getDescription() {
return mDesc;
}
/**
* Returns the user specified importance e.g. {@link NotificationManager#IMPORTANCE_LOW} for
* notifications posted to this channel. Note: This value might be >
* {@link NotificationManager#IMPORTANCE_NONE}, but notifications posted to this channel will
* not be shown to the user if the parent {@link NotificationChannelGroup} or app is blocked.
* See {@link NotificationChannelGroup#isBlocked()} and
* {@link NotificationManager#areNotificationsEnabled()}.
*/
public int getImportance() {
return mImportance;
}
/**
* Whether or not notifications posted to this channel can bypass the Do Not Disturb
* {@link NotificationManager#INTERRUPTION_FILTER_PRIORITY} mode.
*/
public boolean canBypassDnd() {
return mBypassDnd;
}
/**
* Whether or not this channel represents a conversation.
*/
public boolean isConversation() {
return !TextUtils.isEmpty(getConversationId());
}
/**
* Whether or not notifications in this conversation are considered important.
*
* <p>Important conversations may get special visual treatment, and might be able to bypass DND.
*
* <p>This is only valid for channels that represent conversations, that is,
* where {@link #isConversation()} is true.
*/
public boolean isImportantConversation() {
return mImportantConvo;
}
/**
* Returns the notification sound for this channel.
*/
public Uri getSound() {
return mSound;
}
/**
* Returns the audio attributes for sound played by notifications posted to this channel.
*/
public AudioAttributes getAudioAttributes() {
return mAudioAttributes;
}
/**
* Returns whether notifications posted to this channel trigger notification lights.
*/
public boolean shouldShowLights() {
return mLights;
}
/**
* Returns the notification light color for notifications posted to this channel. Irrelevant
* unless {@link #shouldShowLights()}.
*/
public int getLightColor() {
return mLightColor;
}
/**
* Returns whether notifications posted to this channel always vibrate.
*/
public boolean shouldVibrate() {
return mVibrationEnabled;
}
/**
* Returns the vibration pattern for notifications posted to this channel. Will be ignored if
* vibration is not enabled ({@link #shouldVibrate()}).
*/
public long[] getVibrationPattern() {
return mVibration;
}
/**
* Returns whether or not notifications posted to this channel are shown on the lockscreen in
* full or redacted form.
*/
public int getLockscreenVisibility() {
return mLockscreenVisibility;
}
/**
* Returns whether notifications posted to this channel can appear as badges in a Launcher
* application.
*
* Note that badging may be disabled for other reasons.
*/
public boolean canShowBadge() {
return mShowBadge;
}
/**
* Returns what group this channel belongs to.
*
* This is used only for visually grouping channels in the UI.
*/
public String getGroup() {
return mGroup;
}
/**
* Returns whether notifications posted to this channel are allowed to display outside of the
* notification shade, in a floating window on top of other apps.
*
* @see Notification#getBubbleMetadata()
*/
public boolean canBubble() {
return mAllowBubbles == ALLOW_BUBBLE_ON;
}
/**
* @hide
*/
public int getAllowBubbles() {
return mAllowBubbles;
}
/**
* Returns the {@link #getId() id} of the parent notification channel to this channel, if it's
* a conversation related channel. See {@link #setConversationId(String, String)}.
*/
public @Nullable String getParentChannelId() {
return mParentId;
}
/**
* Returns the {@link ShortcutInfo#getId() id} of the conversation backing this channel, if it's
* associated with a conversation. See {@link #setConversationId(String, String)}.
*/
public @Nullable String getConversationId() {
return mConversationId;
}
/**
* @hide
*/
@SystemApi
public boolean isDeleted() {
return mDeleted;
}
/**
* @hide
*/
public long getDeletedTimeMs() {
return mDeletedTime;
}
/**
* @hide
*/
@SystemApi
public int getUserLockedFields() {
return mUserLockedFields;
}
/**
* @hide
*/
public boolean isUserVisibleTaskShown() {
return mUserVisibleTaskShown;
}
/**
* Returns whether this channel is always blockable, even if the app is 'fixed' as
* non-blockable.
*/
public boolean isBlockable() {
return mBlockableSystem;
}
/**
* @hide
*/
@TestApi
public void setImportanceLockedByCriticalDeviceFunction(boolean locked) {
mImportanceLockedDefaultApp = locked;
}
/**
* @hide
*/
@TestApi
public boolean isImportanceLockedByCriticalDeviceFunction() {
return mImportanceLockedDefaultApp;
}
/**
* @hide
*/
@TestApi
public int getOriginalImportance() {
return mOriginalImportance;
}
/**
* @hide
*/
@TestApi
public void setOriginalImportance(int importance) {
mOriginalImportance = importance;
}
/**
* @hide
*/
@TestApi
public void setDemoted(boolean demoted) {
mDemoted = demoted;
}
/**
* Returns whether the user has decided that this channel does not represent a conversation. The
* value will always be false for channels that never claimed to be conversations - that is,
* for channels where {@link #getConversationId()} and {@link #getParentChannelId()} are empty.
*/
public boolean isDemoted() {
return mDemoted;
}
/**
* Returns whether the user has chosen the importance of this channel, either to affirm the
* initial selection from the app, or changed it to be higher or lower.
* @see #getImportance()
*/
public boolean hasUserSetImportance() {
return (mUserLockedFields & USER_LOCKED_IMPORTANCE) != 0;
}
/**
* Returns whether the user has chosen the sound of this channel.
* @see #getSound()
*/
public boolean hasUserSetSound() {
return (mUserLockedFields & USER_LOCKED_SOUND) != 0;
}
/**
* Returns the time of the notification post or last update for this channel.
* @return time of post / last update
* @hide
*/
public long getLastNotificationUpdateTimeMs() {
return mLastNotificationUpdateTimeMs;
}
/**
* Sets the time of the notification post or last update for this channel.
* @hide
*/
public void setLastNotificationUpdateTimeMs(long updateTimeMs) {
mLastNotificationUpdateTimeMs = updateTimeMs;
}
/**
* @hide
*/
public void populateFromXmlForRestore(XmlPullParser parser, boolean pkgInstalled,
Context context) {
populateFromXml(XmlUtils.makeTyped(parser), true, pkgInstalled, context);
}
/**
* @hide
*/
@SystemApi
public void populateFromXml(XmlPullParser parser) {
populateFromXml(XmlUtils.makeTyped(parser), false, true, null);
}
/**
* If {@param forRestore} is true, {@param Context} MUST be non-null.
*/
private void populateFromXml(TypedXmlPullParser parser, boolean forRestore,
boolean pkgInstalled, @Nullable Context context) {
Preconditions.checkArgument(!forRestore || context != null,
"forRestore is true but got null context");
// Name, id, and importance are set in the constructor.
setDescription(parser.getAttributeValue(null, ATT_DESC));
setBypassDnd(Notification.PRIORITY_DEFAULT
!= safeInt(parser, ATT_PRIORITY, Notification.PRIORITY_DEFAULT));
setLockscreenVisibility(safeInt(parser, ATT_VISIBILITY, DEFAULT_VISIBILITY));
Uri sound = safeUri(parser, ATT_SOUND);
final AudioAttributes audioAttributes = safeAudioAttributes(parser);
final int usage = audioAttributes.getUsage();
setSound(forRestore ? restoreSoundUri(context, sound, pkgInstalled, usage) : sound,
audioAttributes);
enableLights(safeBool(parser, ATT_LIGHTS, false));
setLightColor(safeInt(parser, ATT_LIGHT_COLOR, DEFAULT_LIGHT_COLOR));
setVibrationPattern(safeLongArray(parser, ATT_VIBRATION, null));
enableVibration(safeBool(parser, ATT_VIBRATION_ENABLED, false));
setShowBadge(safeBool(parser, ATT_SHOW_BADGE, false));
setDeleted(safeBool(parser, ATT_DELETED, false));
setDeletedTimeMs(XmlUtils.readLongAttribute(
parser, ATT_DELETED_TIME_MS, DEFAULT_DELETION_TIME_MS));
setGroup(parser.getAttributeValue(null, ATT_GROUP));
lockFields(safeInt(parser, ATT_USER_LOCKED, 0));
setUserVisibleTaskShown(safeBool(parser, ATT_FG_SERVICE_SHOWN, false));
setBlockable(safeBool(parser, ATT_BLOCKABLE_SYSTEM, false));
setAllowBubbles(safeInt(parser, ATT_ALLOW_BUBBLE, DEFAULT_ALLOW_BUBBLE));
setOriginalImportance(safeInt(parser, ATT_ORIG_IMP, DEFAULT_IMPORTANCE));
setConversationId(parser.getAttributeValue(null, ATT_PARENT_CHANNEL),
parser.getAttributeValue(null, ATT_CONVERSATION_ID));
setDemoted(safeBool(parser, ATT_DEMOTE, false));
setImportantConversation(safeBool(parser, ATT_IMP_CONVERSATION, false));
}
/**
* Returns whether the sound for this channel was successfully restored
* from backup.
* @return false if the sound was not restored successfully. true otherwise (default value)
* @hide
*/
public boolean isSoundRestored() {
return mSoundRestored;
}
@Nullable
private Uri getCanonicalizedSoundUri(ContentResolver contentResolver, @NonNull Uri uri) {
if (Settings.System.DEFAULT_NOTIFICATION_URI.equals(uri)) {
return uri;
}
if (ContentResolver.SCHEME_ANDROID_RESOURCE.equals(uri.getScheme())) {
try {
contentResolver.getResourceId(uri);
return uri;
} catch (FileNotFoundException e) {
return null;
}
}
if (ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {
return uri;
}
return contentResolver.canonicalize(uri);
}
@Nullable
private Uri getUncanonicalizedSoundUri(
ContentResolver contentResolver, @NonNull Uri uri, int usage) {
if (Settings.System.DEFAULT_NOTIFICATION_URI.equals(uri)
|| ContentResolver.SCHEME_ANDROID_RESOURCE.equals(uri.getScheme())
|| ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {
return uri;
}
int ringtoneType = 0;
// Consistent with UI(SoundPreferenceController.handlePreferenceTreeClick).
if (AudioAttributes.USAGE_ALARM == usage) {
ringtoneType = RingtoneManager.TYPE_ALARM;
} else if (AudioAttributes.USAGE_NOTIFICATION_RINGTONE == usage) {
ringtoneType = RingtoneManager.TYPE_RINGTONE;
} else {
ringtoneType = RingtoneManager.TYPE_NOTIFICATION;
}
try {
return RingtoneManager.getRingtoneUriForRestore(
contentResolver, uri.toString(), ringtoneType);
} catch (Exception e) {
Log.e(TAG, "Failed to uncanonicalized sound uri for " + uri + " " + e);
return Settings.System.DEFAULT_NOTIFICATION_URI;
}
}
/**
* Restore/validate sound Uri from backup
* @param context The Context
* @param uri The sound Uri to restore
* @param pkgInstalled If the parent package is installed
* @return restored and validated Uri
* @hide
*/
@Nullable
public Uri restoreSoundUri(
Context context, @Nullable Uri uri, boolean pkgInstalled, int usage) {
if (uri == null || Uri.EMPTY.equals(uri)) {
return null;
}
ContentResolver contentResolver = context.getContentResolver();
// There are backups out there with uncanonical uris (because we fixed this after
// shipping). If uncanonical uris are given to MediaProvider.uncanonicalize it won't
// verify the uri against device storage and we'll possibly end up with a broken uri.
// We then canonicalize the uri to uncanonicalize it back, which means we properly check
// the uri and in the case of not having the resource we end up with the default - better
// than broken. As a side effect we'll canonicalize already canonicalized uris, this is fine
// according to the docs because canonicalize method has to handle canonical uris as well.
Uri canonicalizedUri = getCanonicalizedSoundUri(contentResolver, uri);
if (canonicalizedUri == null) {
// Uri failed to restore with package installed
if (!mSoundRestored && pkgInstalled) {
mSoundRestored = true;
// We got a null because the uri in the backup does not exist here, so we return
// default
return Settings.System.DEFAULT_NOTIFICATION_URI;
} else {
// Flag as unrestored and try again later (on package install)
mSoundRestored = false;
return uri;
}
}
mSoundRestored = true;
return getUncanonicalizedSoundUri(contentResolver, canonicalizedUri, usage);
}
/**
* @hide
*/
@SystemApi
public void writeXml(XmlSerializer out) throws IOException {
writeXml(XmlUtils.makeTyped(out), false, null);
}
/**
* @hide
*/
public void writeXmlForBackup(XmlSerializer out, Context context) throws IOException {
writeXml(XmlUtils.makeTyped(out), true, context);
}
private Uri getSoundForBackup(Context context) {
Uri sound = getSound();
if (sound == null || Uri.EMPTY.equals(sound)) {
return null;
}
Uri canonicalSound = getCanonicalizedSoundUri(context.getContentResolver(), sound);
if (canonicalSound == null) {
// The content provider does not support canonical uris so we backup the default
return Settings.System.DEFAULT_NOTIFICATION_URI;
}
return canonicalSound;
}
/**
* If {@param forBackup} is true, {@param Context} MUST be non-null.
*/
private void writeXml(TypedXmlSerializer out, boolean forBackup, @Nullable Context context)
throws IOException {
Preconditions.checkArgument(!forBackup || context != null,
"forBackup is true but got null context");
out.startTag(null, TAG_CHANNEL);
out.attribute(null, ATT_ID, getId());
if (getName() != null) {
out.attribute(null, ATT_NAME, getName().toString());
}
if (getDescription() != null) {
out.attribute(null, ATT_DESC, getDescription());
}
if (getImportance() != DEFAULT_IMPORTANCE) {
out.attributeInt(null, ATT_IMPORTANCE, getImportance());
}
if (canBypassDnd()) {
out.attributeInt(null, ATT_PRIORITY, Notification.PRIORITY_MAX);
}
if (getLockscreenVisibility() != DEFAULT_VISIBILITY) {
out.attributeInt(null, ATT_VISIBILITY, getLockscreenVisibility());
}
Uri sound = forBackup ? getSoundForBackup(context) : getSound();
if (sound != null) {
out.attribute(null, ATT_SOUND, sound.toString());
}
if (getAudioAttributes() != null) {
out.attributeInt(null, ATT_USAGE, getAudioAttributes().getUsage());
out.attributeInt(null, ATT_CONTENT_TYPE, getAudioAttributes().getContentType());
out.attributeInt(null, ATT_FLAGS, getAudioAttributes().getFlags());
}
if (shouldShowLights()) {
out.attributeBoolean(null, ATT_LIGHTS, shouldShowLights());
}
if (getLightColor() != DEFAULT_LIGHT_COLOR) {
out.attributeInt(null, ATT_LIGHT_COLOR, getLightColor());
}
if (shouldVibrate()) {
out.attributeBoolean(null, ATT_VIBRATION_ENABLED, shouldVibrate());
}
if (getVibrationPattern() != null) {
out.attribute(null, ATT_VIBRATION, longArrayToString(getVibrationPattern()));
}
if (getUserLockedFields() != 0) {
out.attributeInt(null, ATT_USER_LOCKED, getUserLockedFields());
}
if (isUserVisibleTaskShown()) {
out.attributeBoolean(null, ATT_FG_SERVICE_SHOWN, isUserVisibleTaskShown());
}
if (canShowBadge()) {
out.attributeBoolean(null, ATT_SHOW_BADGE, canShowBadge());
}
if (isDeleted()) {
out.attributeBoolean(null, ATT_DELETED, isDeleted());
}
if (getDeletedTimeMs() >= 0) {
out.attributeLong(null, ATT_DELETED_TIME_MS, getDeletedTimeMs());
}
if (getGroup() != null) {
out.attribute(null, ATT_GROUP, getGroup());
}
if (isBlockable()) {
out.attributeBoolean(null, ATT_BLOCKABLE_SYSTEM, isBlockable());
}
if (getAllowBubbles() != DEFAULT_ALLOW_BUBBLE) {
out.attributeInt(null, ATT_ALLOW_BUBBLE, getAllowBubbles());
}
if (getOriginalImportance() != DEFAULT_IMPORTANCE) {
out.attributeInt(null, ATT_ORIG_IMP, getOriginalImportance());
}
if (getParentChannelId() != null) {
out.attribute(null, ATT_PARENT_CHANNEL, getParentChannelId());
}
if (getConversationId() != null) {
out.attribute(null, ATT_CONVERSATION_ID, getConversationId());
}
if (isDemoted()) {
out.attributeBoolean(null, ATT_DEMOTE, isDemoted());
}
if (isImportantConversation()) {
out.attributeBoolean(null, ATT_IMP_CONVERSATION, isImportantConversation());
}
// mImportanceLockedDefaultApp has a different source of truth and so isn't written to
// this xml file
out.endTag(null, TAG_CHANNEL);
}
/**
* @hide
*/
@SystemApi
public JSONObject toJson() throws JSONException {
JSONObject record = new JSONObject();
record.put(ATT_ID, getId());
record.put(ATT_NAME, getName());
record.put(ATT_DESC, getDescription());
if (getImportance() != DEFAULT_IMPORTANCE) {
record.put(ATT_IMPORTANCE,
NotificationListenerService.Ranking.importanceToString(getImportance()));
}
if (canBypassDnd()) {
record.put(ATT_PRIORITY, Notification.PRIORITY_MAX);
}
if (getLockscreenVisibility() != DEFAULT_VISIBILITY) {
record.put(ATT_VISIBILITY, Notification.visibilityToString(getLockscreenVisibility()));
}
if (getSound() != null) {
record.put(ATT_SOUND, getSound().toString());
}
if (getAudioAttributes() != null) {
record.put(ATT_USAGE, Integer.toString(getAudioAttributes().getUsage()));
record.put(ATT_CONTENT_TYPE,
Integer.toString(getAudioAttributes().getContentType()));
record.put(ATT_FLAGS, Integer.toString(getAudioAttributes().getFlags()));
}
record.put(ATT_LIGHTS, Boolean.toString(shouldShowLights()));
record.put(ATT_LIGHT_COLOR, Integer.toString(getLightColor()));
record.put(ATT_VIBRATION_ENABLED, Boolean.toString(shouldVibrate()));
record.put(ATT_USER_LOCKED, Integer.toString(getUserLockedFields()));
record.put(ATT_FG_SERVICE_SHOWN, Boolean.toString(isUserVisibleTaskShown()));
record.put(ATT_VIBRATION, longArrayToString(getVibrationPattern()));
record.put(ATT_SHOW_BADGE, Boolean.toString(canShowBadge()));
record.put(ATT_DELETED, Boolean.toString(isDeleted()));
record.put(ATT_DELETED_TIME_MS, Long.toString(getDeletedTimeMs()));
record.put(ATT_GROUP, getGroup());
record.put(ATT_BLOCKABLE_SYSTEM, isBlockable());
record.put(ATT_ALLOW_BUBBLE, getAllowBubbles());
// TODO: original importance
return record;
}
private static AudioAttributes safeAudioAttributes(TypedXmlPullParser parser) {
int usage = safeInt(parser, ATT_USAGE, AudioAttributes.USAGE_NOTIFICATION);
int contentType = safeInt(parser, ATT_CONTENT_TYPE,
AudioAttributes.CONTENT_TYPE_SONIFICATION);
int flags = safeInt(parser, ATT_FLAGS, 0);
return new AudioAttributes.Builder()
.setUsage(usage)
.setContentType(contentType)
.setFlags(flags)
.build();
}
private static Uri safeUri(TypedXmlPullParser parser, String att) {
final String val = parser.getAttributeValue(null, att);
return val == null ? null : Uri.parse(val);
}
private static int safeInt(TypedXmlPullParser parser, String att, int defValue) {
return parser.getAttributeInt(null, att, defValue);
}
private static boolean safeBool(TypedXmlPullParser parser, String att, boolean defValue) {
return parser.getAttributeBoolean(null, att, defValue);
}
private static long[] safeLongArray(TypedXmlPullParser parser, String att, long[] defValue) {
final String attributeValue = parser.getAttributeValue(null, att);
if (TextUtils.isEmpty(attributeValue)) return defValue;
String[] values = attributeValue.split(DELIMITER);
long[] longValues = new long[values.length];
for (int i = 0; i < values.length; i++) {
try {
longValues[i] = Long.parseLong(values[i]);
} catch (NumberFormatException e) {
longValues[i] = 0;
}
}
return longValues;
}
private static String longArrayToString(long[] values) {
StringBuilder sb = new StringBuilder();
if (values != null && values.length > 0) {
for (int i = 0; i < values.length - 1; i++) {
sb.append(values[i]).append(DELIMITER);
}
sb.append(values[values.length - 1]);
}
return sb.toString();
}
public static final @android.annotation.NonNull Creator<NotificationChannel> CREATOR =
new Creator<NotificationChannel>() {
@Override
public NotificationChannel createFromParcel(Parcel in) {
return new NotificationChannel(in);
}
@Override
public NotificationChannel[] newArray(int size) {
return new NotificationChannel[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public boolean equals(@Nullable Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
NotificationChannel that = (NotificationChannel) o;
return getImportance() == that.getImportance()
&& mBypassDnd == that.mBypassDnd
&& getLockscreenVisibility() == that.getLockscreenVisibility()
&& mLights == that.mLights
&& getLightColor() == that.getLightColor()
&& getUserLockedFields() == that.getUserLockedFields()
&& isUserVisibleTaskShown() == that.isUserVisibleTaskShown()
&& mVibrationEnabled == that.mVibrationEnabled
&& mShowBadge == that.mShowBadge
&& isDeleted() == that.isDeleted()
&& getDeletedTimeMs() == that.getDeletedTimeMs()
&& isBlockable() == that.isBlockable()
&& mAllowBubbles == that.mAllowBubbles
&& Objects.equals(getId(), that.getId())
&& Objects.equals(getName(), that.getName())
&& Objects.equals(mDesc, that.mDesc)
&& Objects.equals(getSound(), that.getSound())
&& Arrays.equals(mVibration, that.mVibration)
&& Objects.equals(getGroup(), that.getGroup())
&& Objects.equals(getAudioAttributes(), that.getAudioAttributes())
&& mImportanceLockedDefaultApp == that.mImportanceLockedDefaultApp
&& mOriginalImportance == that.mOriginalImportance
&& Objects.equals(getParentChannelId(), that.getParentChannelId())
&& Objects.equals(getConversationId(), that.getConversationId())
&& isDemoted() == that.isDemoted()
&& isImportantConversation() == that.isImportantConversation();
}
@Override
public int hashCode() {
int result = Objects.hash(getId(), getName(), mDesc, getImportance(), mBypassDnd,
getLockscreenVisibility(), getSound(), mLights, getLightColor(),
getUserLockedFields(), isUserVisibleTaskShown(),
mVibrationEnabled, mShowBadge, isDeleted(), getDeletedTimeMs(),
getGroup(), getAudioAttributes(), isBlockable(), mAllowBubbles,
mImportanceLockedDefaultApp, mOriginalImportance,
mParentId, mConversationId, mDemoted, mImportantConvo);
result = 31 * result + Arrays.hashCode(mVibration);
return result;
}
/** @hide */
public void dump(PrintWriter pw, String prefix, boolean redacted) {
String redactedName = redacted ? TextUtils.trimToLengthWithEllipsis(mName, 3) : mName;
String output = "NotificationChannel{"
+ "mId='" + mId + '\''
+ ", mName=" + redactedName
+ getFieldsString()
+ '}';
pw.println(prefix + output);
}
@Override
public String toString() {
return "NotificationChannel{"
+ "mId='" + mId + '\''
+ ", mName=" + mName
+ getFieldsString()
+ '}';
}
private String getFieldsString() {
return ", mDescription=" + (!TextUtils.isEmpty(mDesc) ? "hasDescription " : "")
+ ", mImportance=" + mImportance
+ ", mBypassDnd=" + mBypassDnd
+ ", mLockscreenVisibility=" + mLockscreenVisibility
+ ", mSound=" + mSound
+ ", mLights=" + mLights
+ ", mLightColor=" + mLightColor
+ ", mVibration=" + Arrays.toString(mVibration)
+ ", mUserLockedFields=" + Integer.toHexString(mUserLockedFields)
+ ", mUserVisibleTaskShown=" + mUserVisibleTaskShown
+ ", mVibrationEnabled=" + mVibrationEnabled
+ ", mShowBadge=" + mShowBadge
+ ", mDeleted=" + mDeleted
+ ", mDeletedTimeMs=" + mDeletedTime
+ ", mGroup='" + mGroup + '\''
+ ", mAudioAttributes=" + mAudioAttributes
+ ", mBlockableSystem=" + mBlockableSystem
+ ", mAllowBubbles=" + mAllowBubbles
+ ", mImportanceLockedDefaultApp=" + mImportanceLockedDefaultApp
+ ", mOriginalImp=" + mOriginalImportance
+ ", mParent=" + mParentId
+ ", mConversationId=" + mConversationId
+ ", mDemoted=" + mDemoted
+ ", mImportantConvo=" + mImportantConvo
+ ", mLastNotificationUpdateTimeMs=" + mLastNotificationUpdateTimeMs;
}
/** @hide */
public void dumpDebug(ProtoOutputStream proto, long fieldId) {
final long token = proto.start(fieldId);
proto.write(NotificationChannelProto.ID, mId);
proto.write(NotificationChannelProto.NAME, mName);
proto.write(NotificationChannelProto.DESCRIPTION, mDesc);
proto.write(NotificationChannelProto.IMPORTANCE, mImportance);
proto.write(NotificationChannelProto.CAN_BYPASS_DND, mBypassDnd);
proto.write(NotificationChannelProto.LOCKSCREEN_VISIBILITY, mLockscreenVisibility);
if (mSound != null) {
proto.write(NotificationChannelProto.SOUND, mSound.toString());
}
proto.write(NotificationChannelProto.USE_LIGHTS, mLights);
proto.write(NotificationChannelProto.LIGHT_COLOR, mLightColor);
if (mVibration != null) {
for (long v : mVibration) {
proto.write(NotificationChannelProto.VIBRATION, v);
}
}
proto.write(NotificationChannelProto.USER_LOCKED_FIELDS, mUserLockedFields);
proto.write(NotificationChannelProto.USER_VISIBLE_TASK_SHOWN, mUserVisibleTaskShown);
proto.write(NotificationChannelProto.IS_VIBRATION_ENABLED, mVibrationEnabled);
proto.write(NotificationChannelProto.SHOW_BADGE, mShowBadge);
proto.write(NotificationChannelProto.IS_DELETED, mDeleted);
proto.write(NotificationChannelProto.GROUP, mGroup);
if (mAudioAttributes != null) {
mAudioAttributes.dumpDebug(proto, NotificationChannelProto.AUDIO_ATTRIBUTES);
}
proto.write(NotificationChannelProto.IS_BLOCKABLE_SYSTEM, mBlockableSystem);
proto.write(NotificationChannelProto.ALLOW_APP_OVERLAY, mAllowBubbles);
proto.end(token);
}
}