鸿蒙发送消息通知

注意：发送消息通知要开启设置中的消息通知

import notify from '@ohos.notificationManager'
import image from '@ohos.multimedia.image'
import { BusinessError } from '@kit.BasicServicesKit'@Entry
@Component
struct NotificationPage {// 全局任务ididx: number = 100// 图象pixel: PixelMap | null = nullasync aboutToAppear() {// 获取资源管理器let rm = getContext(this).resourceManager;// 读取图片let file = await rm.getMediaContent($r('app.media.watchGT4'))// 创建PixelMap
    image.createImageSource(file.buffer).createPixelMap().then(value => this.pixel = value).catch((reason: BusinessError) => console.log('testTag', '加载图片异常', JSON.stringify(reason)))}build() {Column({ space: 20 }) {Button(`发送normalText通知`).onClick(() => this.publishNormalTextNotification())Button(`发送longText通知`).onClick(() => this.publishLongTextNotification())Button(`发送multiLine通知`).onClick(() => this.publishMultiLineNotification())Button(`发送Picture通知`).onClick(() => this.publishPictureNotification())}.width('100%').height('100%').padding(5).backgroundColor('#f1f2f3')}publishNormalTextNotification() {let request: notify.NotificationRequest = {id: this.idx++,content: {notificationContentType: notify.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,normal: {title: '通知标题' + this.idx,text: '通知内容详情',additionalText: '通知附加内容'}},showDeliveryTime: true,deliveryTime: new Date().getTime(),groupName: 'wechat',notificationSlotType: notify.SlotType.SOCIAL_COMMUNICATION}this.publish(request)}publishLongTextNotification() {let request: notify.NotificationRequest = {id: this.idx++,content: {notificationContentType: notify.ContentType.NOTIFICATION_CONTENT_LONG_TEXT,longText: {title: '通知标题' + this.idx,text: '通知内容详情',additionalText: '通知附加内容',longText: '通知中的长文本，我很长，我很长，我很长，我很长，我很长，我很长，我很长',briefText: '通知概要和总结',expandedTitle: '通知展开时的标题' + this.idx}}}this.publish(request)}publishMultiLineNotification() {let request: notify.NotificationRequest = {id: this.idx++,content: {notificationContentType: notify.ContentType.NOTIFICATION_CONTENT_MULTILINE,multiLine: {title: '通知标题' + this.idx,text: '通知内容详情',additionalText: '通知附加内容',briefText: '通知概要和总结',longTitle: '展开时的标题，我很宽，我很宽，我很宽',lines: ['第一行','第二行','第三行','第四行',]}}}this.publish(request)}publishPictureNotification() {let request: notify.NotificationRequest = {id: this.idx++,content: {notificationContentType: notify.ContentType.NOTIFICATION_CONTENT_PICTURE,picture: {title: '通知标题' + this.idx,text: '通知内容详情',additionalText: '通知附加内容',briefText: '通知概要和总结',expandedTitle: '展开后标题' + this.idx,picture: this.pixel as PixelMap}}}this.publish(request)}private publish(request: notify.NotificationRequest) {console.log('notify test', '发送通知......')notify.publish(request).then(() => console.log('notify test', '发送通知成功')).catch((reason: BusinessError) => console.log('notify test', '发送通知失败', JSON.stringify(reason)))}
}