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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@Entry
16@Component
17struct Singleton {
18  @State message: string = 'Hello demo2 singleton';
19
20  build() {
21    RelativeContainer() {
22      Text(this.message)
23        .id('SingletonHelloWorld')
24        .fontSize($r('app.float.page_text_font_size'))
25        .fontWeight(FontWeight.Bold)
26        .alignRules({
27          center: { anchor: '__container__', align: VerticalAlign.Center },
28          middle: { anchor: '__container__', align: HorizontalAlign.Center }
29        })
30        .onClick(() => {
31          this.message = 'Welcome';
32        })
33    }
34    .height('100%')
35    .width('100%')
36  }
37}