1/* 2 * Copyright (c) 2025 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 { memo, __memo_context_type, __memo_id_type } from "@ohos.arkui.stateManagement"; 17import { Text, Column, Component, Button, ClickEvent } from "@ohos.arkui.component"; 18 19import hilog from '@ohos.hilog'; 20 21@Component 22export struct MyStateSample { 23 message: string = "Click"; 24 25 build() { 26 Column(undefined) { 27 Text("Hello World") 28 .fontSize(20) 29 Button(this.message) 30 .backgroundColor("#FFFF00FF") 31 .onClick((e: ClickEvent) => { 32 hilog.info(0x0000, 'testTag', 'On Click'); 33 }) 34 Child() 35 } 36 } 37} 38 39@Component 40export struct Child { 41 stateVar: string = "Child"; 42 43 build() { 44 Text(this.stateVar) 45 .fontSize(50) 46 } 47} 48