android.app.NotificationChannel#shouldShowLights ( )源码实例Demo

@VisibleForTesting
void lockFieldsForUpdate(NotificationChannel original, NotificationChannel update) {
    if (original.canBypassDnd() != update.canBypassDnd()) {
        update.lockFields(NotificationChannel.USER_LOCKED_PRIORITY);
    }
    if (original.getLockscreenVisibility() != update.getLockscreenVisibility()) {
        update.lockFields(NotificationChannel.USER_LOCKED_VISIBILITY);
    }
    if (original.getImportance() != update.getImportance()) {
        update.lockFields(NotificationChannel.USER_LOCKED_IMPORTANCE);
    }
    if (original.shouldShowLights() != update.shouldShowLights()
            || original.getLightColor() != update.getLightColor()) {
        update.lockFields(NotificationChannel.USER_LOCKED_LIGHTS);
    }
    if (!Objects.equals(original.getSound(), update.getSound())) {
        update.lockFields(NotificationChannel.USER_LOCKED_SOUND);
    }
    if (!Arrays.equals(original.getVibrationPattern(), update.getVibrationPattern())
            || original.shouldVibrate() != update.shouldVibrate()) {
        update.lockFields(NotificationChannel.USER_LOCKED_VIBRATION);
    }
    if (original.canShowBadge() != update.canShowBadge()) {
        update.lockFields(NotificationChannel.USER_LOCKED_SHOW_BADGE);
    }
}
 

@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);
}
 

private void loadNotificationRuleSettings() {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O ||
            mEditingRule == null || mEditingRule.settings == null ||
            mEditingRule.settings.notificationChannelId == null)
        return;
    android.app.NotificationManager mgr = (android.app.NotificationManager)
            getSystemService(NOTIFICATION_SERVICE);
    NotificationChannel channel =
            mgr.getNotificationChannel(mEditingRule.settings.notificationChannelId);

    mEditingRule.settings.soundEnabled = channel.getSound() != null;
    mEditingRule.settings.soundUri = null;
    if (channel.getSound() != null && !channel.getSound().equals(
            RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)))
        mEditingRule.settings.soundUri = channel.getSound().toString();

    mEditingRule.settings.vibrationEnabled = channel.shouldVibrate();
    if (channel.shouldVibrate())
        mEditingRule.settings.vibrationDuration = channel.getVibrationPattern() == null ||
                channel.getVibrationPattern().length != 2
                ? 0 : (int) channel.getVibrationPattern()[1];

    mEditingRule.settings.lightEnabled = channel.shouldShowLights();
    if (channel.shouldShowLights())
        mEditingRule.settings.light = channel.getLightColor();
}
 

@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);
}
 

@SuppressWarnings("DoubleNegation")
private boolean hasNotificationRuleChanges() {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O ||
            mEditingRule == null || mEditingRule.settings.notificationChannelId == null)
        return false;
    android.app.NotificationManager mgr = (android.app.NotificationManager)
            getSystemService(NOTIFICATION_SERVICE);
    NotificationChannel channel =
            mgr.getNotificationChannel(mEditingRule.settings.notificationChannelId);

    Uri soundUri = mSoundEntry.getValue();
    if (channel.getSound() != soundUri &&
            (channel.getSound() == null || !channel.getSound().equals(soundUri)))
        return true;

    int vibrationDuration = mVibrationOptions[mVibrationEntry.getSelectedOption()];
    if (channel.shouldVibrate() != (vibrationDuration != 0))
        return true;
    if (channel.shouldVibrate()) {
        int channelVibrationDuration = channel.getVibrationPattern() == null ||
                channel.getVibrationPattern().length != 2
                ? -1 : (int) channel.getVibrationPattern()[1];
        if (channelVibrationDuration != vibrationDuration)
            return true;
    }

    if (channel.shouldShowLights() != (mColorEntry.getSelectedColorIndex() != 0))
        return true;
    //noinspection RedundantIfStatement
    if (channel.shouldShowLights() && channel.getLightColor() !=
            (mColorEntry.getSelectedColorIndex() == -1 ? 0 : mColorEntry.getSelectedColor()))
        return true;

    return false;
}