Java Code Examples for android.app.NotificationChannel#getGroup()

@Override
public void createNotificationChannel(String pkg, int uid, NotificationChannel channel,
        boolean fromTargetApp, boolean hasDndAccess) {
    Preconditions.checkNotNull(pkg);
    Preconditions.checkNotNull(channel);
    Preconditions.checkNotNull(channel.getId());
    Preconditions.checkArgument(!TextUtils.isEmpty(channel.getName()));
    Record r = getOrCreateRecord(pkg, uid);
    if (r == null) {
        throw new IllegalArgumentException("Invalid package");
    }
    if (channel.getGroup() != null && !r.groups.containsKey(channel.getGroup())) {
        throw new IllegalArgumentException("NotificationChannelGroup doesn't exist");
    }
    if (NotificationChannel.DEFAULT_CHANNEL_ID.equals(channel.getId())) {
        throw new IllegalArgumentException("Reserved id");
    }
    NotificationChannel existing = r.channels.get(channel.getId());
    // Keep most of the existing settings
    if (existing != null && fromTargetApp) {
        if (existing.isDeleted()) {
            existing.setDeleted(false);

            // log a resurrected channel as if it's new again
            MetricsLogger.action(getChannelLog(channel, pkg).setType(
                    MetricsProto.MetricsEvent.TYPE_OPEN));
        }

        existing.setName(channel.getName().toString());
        existing.setDescription(channel.getDescription());
        existing.setBlockableSystem(channel.isBlockableSystem());
        if (existing.getGroup() == null) {
            existing.setGroup(channel.getGroup());
        }

        // Apps are allowed to downgrade channel importance if the user has not changed any
        // fields on this channel yet.
        if (existing.getUserLockedFields() == 0 &&
                channel.getImportance() < existing.getImportance()) {
            existing.setImportance(channel.getImportance());
        }

        // system apps and dnd access apps can bypass dnd if the user hasn't changed any
        // fields on the channel yet
        if (existing.getUserLockedFields() == 0 && hasDndAccess) {
            boolean bypassDnd = channel.canBypassDnd();
            existing.setBypassDnd(bypassDnd);

            if (bypassDnd != mAreChannelsBypassingDnd) {
                updateChannelsBypassingDnd();
            }
        }

        updateConfig();
        return;
    }
    if (channel.getImportance() < IMPORTANCE_NONE
            || channel.getImportance() > NotificationManager.IMPORTANCE_MAX) {
        throw new IllegalArgumentException("Invalid importance level");
    }

    // Reset fields that apps aren't allowed to set.
    if (fromTargetApp && !hasDndAccess) {
        channel.setBypassDnd(r.priority == Notification.PRIORITY_MAX);
    }
    if (fromTargetApp) {
        channel.setLockscreenVisibility(r.visibility);
    }
    clearLockedFields(channel);
    if (channel.getLockscreenVisibility() == Notification.VISIBILITY_PUBLIC) {
        channel.setLockscreenVisibility(Ranking.VISIBILITY_NO_OVERRIDE);
    }
    if (!r.showBadge) {
        channel.setShowBadge(false);
    }

    r.channels.put(channel.getId(), channel);
    if (channel.canBypassDnd() != mAreChannelsBypassingDnd) {
        updateChannelsBypassingDnd();
    }
    MetricsLogger.action(getChannelLog(channel, pkg).setType(
            MetricsProto.MetricsEvent.TYPE_OPEN));
}
 

@Override
public ParceledListSlice<NotificationChannelGroup> getNotificationChannelGroups(String pkg,
        int uid, boolean includeDeleted, boolean includeNonGrouped, boolean includeEmpty) {
    Preconditions.checkNotNull(pkg);
    Map<String, NotificationChannelGroup> groups = new ArrayMap<>();
    Record r = getRecord(pkg, uid);
    if (r == null) {
        return ParceledListSlice.emptyList();
    }
    NotificationChannelGroup nonGrouped = new NotificationChannelGroup(null, null);
    int N = r.channels.size();
    for (int i = 0; i < N; i++) {
        final NotificationChannel nc = r.channels.valueAt(i);
        if (includeDeleted || !nc.isDeleted()) {
            if (nc.getGroup() != null) {
                if (r.groups.get(nc.getGroup()) != null) {
                    NotificationChannelGroup ncg = groups.get(nc.getGroup());
                    if (ncg == null) {
                        ncg = r.groups.get(nc.getGroup()).clone();
                        ncg.setChannels(new ArrayList<>());
                        groups.put(nc.getGroup(), ncg);

                    }
                    ncg.addChannel(nc);
                }
            } else {
                nonGrouped.addChannel(nc);
            }
        }
    }
    if (includeNonGrouped && nonGrouped.getChannels().size() > 0) {
        groups.put(null, nonGrouped);
    }
    if (includeEmpty) {
        for (NotificationChannelGroup group : r.groups.values()) {
            if (!groups.containsKey(group.getId())) {
                groups.put(group.getId(), group);
            }
        }
    }
    return new ParceledListSlice<>(new ArrayList<>(groups.values()));
}
 

@TargetApi(Build.VERSION_CODES.O)
private void createNotificationChannel() {
  //第一个参数：channel_id
  //第二个参数：channel_name
  //第三个参数：设置通知重要性级别
  //注意：该级别必须要在 NotificationChannel 的构造函数中指定，总共要五个级别；
  //范围是从 NotificationManager.IMPORTANCE_NONE(0) ~ NotificationManager.IMPORTANCE_HIGH(4)
  NotificationChannel channel = new NotificationChannel(CHANNEL_ID, CHANNEL_NAME,
      NotificationManager.IMPORTANCE_DEFAULT);
  channel.canBypassDnd();//是否绕过请勿打扰模式
  channel.enableLights(true);//闪光灯
  channel.setLockscreenVisibility(VISIBILITY_SECRET);//锁屏显示通知
  channel.setLightColor(Color.RED);//闪关灯的灯光颜色
  channel.canShowBadge();//桌面launcher的消息角标
  channel.enableVibration(true);//是否允许震动
  channel.getAudioAttributes();//获取系统通知响铃声音的配置
  channel.getGroup();//获取通知取到组
  channel.setBypassDnd(true);//设置可绕过 请勿打扰模式
  channel.setVibrationPattern(new long[]{100, 100, 200});//设置震动模式
  channel.shouldShowLights();//是否会有灯光
  getManager().createNotificationChannel(channel);
}
 

@TargetApi(Build.VERSION_CODES.O)
private void createNotificationChannel() {
    //第一个参数：channel_id
    //第二个参数：channel_name
    //第三个参数：设置通知重要性级别
    //注意：该级别必须要在 NotificationChannel 的构造函数中指定，总共要五个级别；
    //范围是从 NotificationManager.IMPORTANCE_NONE(0) ~ NotificationManager.IMPORTANCE_HIGH(4)
    NotificationChannel channel = new NotificationChannel(CHANNEL_ID, CHANNEL_NAME,
            NotificationManager.IMPORTANCE_LOW);
    channel.canBypassDnd();//是否绕过请勿打扰模式
    channel.enableLights(true);//是否在桌面icon右上角展示小红点
    channel.setLockscreenVisibility(VISIBILITY_SECRET);//锁屏显示通知
    channel.setLightColor(Color.RED);//闪关灯的灯光颜色
    channel.canShowBadge();//桌面launcher的消息角标
    //channel.enableVibration(false);//是否允许震动
    channel.getAudioAttributes();//获取系统通知响铃声音的配置
    channel.getGroup();//获取通知取到组
    channel.setBypassDnd(true);//设置可绕过 请勿打扰模式
    channel.setSound(null, null);
    //channel.setVibrationPattern(new long[]{100, 100, 200});//设置震动模式
    channel.shouldShowLights();//是否会有灯光
    channel.setShowBadge(true); //是否在久按桌面图标时显示此渠道的通知
    getManager().createNotificationChannel(channel);
}
 

@TargetApi(Build.VERSION_CODES.O)
private void createNotificationChannel() {
    //第一个参数：channel_id
    //第二个参数：channel_name
    //第三个参数：设置通知重要性级别
    //注意：该级别必须要在 NotificationChannel 的构造函数中指定，总共要五个级别；
    //范围是从 NotificationManager.IMPORTANCE_NONE(0) ~ NotificationManager.IMPORTANCE_HIGH(4)
    NotificationChannel channel = new NotificationChannel(CHANNEL_ID, CHANNEL_NAME,
            NotificationManager.IMPORTANCE_DEFAULT);
    channel.canBypassDnd();//是否绕过请勿打扰模式
    channel.enableLights(true);//闪光灯
    channel.setLockscreenVisibility(VISIBILITY_SECRET);//锁屏显示通知
    channel.setLightColor(Color.RED);//闪关灯的灯光颜色
    channel.canShowBadge();//桌面launcher的消息角标
    channel.enableVibration(true);//是否允许震动
    channel.getAudioAttributes();//获取系统通知响铃声音的配置
    channel.getGroup();//获取通知取到组
    channel.setBypassDnd(true);//设置可绕过 请勿打扰模式
    channel.setVibrationPattern(new long[]{100, 100, 200});//设置震动模式
    channel.shouldShowLights();//是否会有灯光
    getManager().createNotificationChannel(channel);
}