提醒和通知:給應用添加通知和提醒

import notification from '@ohos.notificationManager';
// 通知圖片必須為PixelMap對象榕莺∠ビ可以將資源圖片轉(zhuǎn)化為PixelMap對象
let imageArray = await getContext(this).resourceManager
.getMediaContent($r('app.media.largeIcon').id);
let imageResource = image.createImageResource(imageArray.buffer);
let opts = {desiredSize:{height:72, width:72}};
let largePixelMap = await imageResource.createPixelMap(opts);

let notificationRequest : notification.NotificationRequest {
id:1000,
showDiliveryTime:true,
deliveryTime: new Date().getTime(),
content: {
contentType: notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
normal: {
title:'通知標題', text:"通知內(nèi)容詳情",
additionalText:'通知附加內(nèi)容',
}
},
largeIcon:largePixelMap,
smallIcon: smallPixelMap,
// 添加操作按鈕，最多可添加三個凿渊。
actionButtons: [
{title:'回復', wantAgetn: wantAgentObj}
]
}

// 發(fā)布通知
notification.publish(notificationRequest).then(() => {
console.info('publish success');
}).catch((err) => {
console.error(publish failed, code:${err.code},message:${err.message});
})

大圖類型的通知：
content:{
contentType: notification.ContentType.NOTIFICATION_CONTENT_PICTURE
picture: {
title: '', text:'', briefText:'', expandedTiele: '',
picture: pixelMap,

}

}

橫幅通知：在屏幕頂部懸浮5秒倍阐。
slotType: notification.SlotType.SOCIAL_COMMUNICATION,

SlotType:
SOCIAL_COMMUNICATION, 社交類型：狀態(tài)欄有圖標纵散，有橫幅和提示音竭鞍。
SERVICE_INFORMATION, 服務類型：狀態(tài)欄有圖標恋沃，沒有橫幅顺呕，有提示音枫攀。
CONTENT_INFORMATION, 內(nèi)容類型：狀態(tài)欄有圖標，沒有橫幅和提示音株茶。
OTHER_TYPES , 其他類型：狀態(tài)欄無圖標来涨，沒有橫幅和提示音。

通知分組启盛。對通知進行分組蹦掐。

groupName: 'productGroup'

進度條類型的通知技羔。

private isSupport: boolean = false;
aboutToAppear(){
    // 是否支持該模板
    notificationManager.isSupportTemplate('downloadTemplate').then((data)=> {
        this.isSupport = data;
    });
}




@State downloadStatus: number = DOWNLOAD_STATUS.INITIAL;
@State downloadProgress:number =0;
private interval:number = -1;

download() {
    this.interval = setInterval(async () => {
        if(this.downloadProgress === 100) {
            this.notificationTitle = await getStringByRes($r('app.string.notify_title_finish'));
            this.downloadStatus = DOWNLOAD_STATUS.FINISHED;
            clearInterval(this.interval);
        } else {
            this.downloadProgress +=2;
        }
        if(this.isSupport) { // 發(fā)送通知。
            publishNotification(this.downloadProgress, this.notificationTitle, this.wantAgentObj);
        }
    }, 1000);
}


import notification from '@ohos.notificationManager';
expert function publishNotification(progress:number,title:string, wantAgentObj:WantAgent) {
    let template= {
        name: 'downloadTemplate',
        data:{progressValue:progress, progressMaxValue:100,}
    };
    let notificationRequest: notification.NotificationRequest = {
        id:10000,
        slotType:notificationManager.SlotType.CONTENT_INFORMATION,
        template:template,
        content: {
            contentType: notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
            normal: {
                title: `${title}: ${CommonConstants.DOWNLOAD_FILE}`,
                text:'senTemplate',
                additionalText:`${progress}%`
            }
        }
    };
    // 發(fā)布通知
    notification.publish(notificationRequest).catch(err => {
        Logger.error(`[ANS] publish failed, code is ${err.code}, message is ${err.message}`);
    })
}
// 暫停下載
async pause() {
    this.notificationTitle = await getStringByRes($r('app.string.notification_title_pause'));
    clearInterval(this.interval);
    this.downloadStatus = DOWNLOAD_STATUS.PAUSE;
    if(this.isSupport) {
        publishNotification(this.downloadProgress, this.notificationTitle, this.wantAgentObj);
    }
}
// 取消下載
async clear() {
    this.downloadProgress =0;
    clearInterval(this.interval);
    this.downloadStatus = DOWNLOAD_STATUS.INITIAL;
    notitication.cancel(CommonConstants.NOTIFICATION_ID);
}

### // 給通知添加行為意圖卧抗。
import wangAgent,{WantAgent} from '@ohos.app.ability.wantAgent';
private wangAgent: WantAgent= null;
private context = getContext(this) as common.UIAbilityContext;

aboutToAppear() {
    let bundleName = this.context.abilityInfo.bundleName;
    let abilityName = this.context.abilityInfo.name;
    createWantAgent(bundleName, abilityName).then(want =>{
        this.wantAgentObj = want;
    })
}

download() {
    ...
    if(this.isSupport) { // 發(fā)送通知藤滥。
        publishNotification(this.downloadProgress, this.notificationTitle, this.wantAgentObj);
    }
    },CommonConstants.UPDATE_FOEQUENCY);
}