1/* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import Logger from './Logger' 17 18const TAG = '[Sample_StartMode]' 19let contextCaller, want 20 21interface EventHub { 22 emit(event: string, ...args: Object[]): void 23} 24 25interface AbilityContext { 26 eventHub: EventHub 27} 28 29export function getContextData(): any { 30 Logger.info(TAG, 'UtilPage getContextData start') 31 let context = getContext(this) as AbilityContext 32 let data = { 33 context: null, 34 launchWant: null 35 } 36 context.eventHub.emit("getAbilityData", data) 37 contextCaller = data.context // 拿到全局的context，即类似globalThis.mainAbilityContext 38 want = data.launchWant 39 Logger.info(TAG, 'UtilPage contextCaller ' + JSON.stringify(contextCaller)) 40 return { 'want': want } 41} 42 43export function startMode(wantParameters: any, abilityName: string) { 44 Logger.info(TAG, `${abilityName} start`) 45 getContextData() 46 let want = { 47 bundleName: 'ohos.samples.startmode', 48 abilityName: abilityName, 49 parameters: wantParameters 50 } 51 52 Logger.info(TAG, `${abilityName} contextCaller ${JSON.stringify(contextCaller)}`) 53 contextCaller.startAbility(want).catch(err => { 54 Logger.info(TAG, 'err is' + JSON.stringify(err)) 55 }) 56 Logger.info(TAG, `${abilityName} end`) 57} 58 59export function totast() { 60 AlertDialog.show( 61 { 62 message: $r('app.string.totast'), 63 secondaryButton: { 64 value: 'ok', 65 action: () => { 66 Logger.info(TAG, 'Callback when the second button is clicked') 67 } 68 } 69 } 70 ) 71}