AbilityStage

specified

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1指定实例模式，允许打开已存在的窗口，或者新增

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 1{
 2  "name": "DocumentAbility",
 3  "srcEntry": "./ets/documentability/DocumentAbility.ets",
 4  "description": "$string:DocumentAbility_desc",
 5  "icon": "$media:layered_image",
 6  "label": "$string:DocumentAbility_label",
 7  'launchType': "specified",
 8  "startWindowIcon": "$media:startIcon",
 9  "startWindowBackground": "$color:start_window_background"
10}

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 1import { common, Want } from '@kit.AbilityKit';
 2
 3@Entry
 4@Component
 5struct Page06_Document {
 6  @State message: string = '备忘录页面';
 7  @State docs: Array<number> = []
 8  @State index: number = 1
 9
10  build() {
11    Column() {
12      Text(this.message)
13        .id('Page06_DocumentHelloWorld')
14        .fontSize($r('app.float.page_text_font_size'))
15        .fontWeight(FontWeight.Bold)
16        .alignRules({
17          center: { anchor: '__container__', align: VerticalAlign.Center },
18          middle: { anchor: '__container__', align: HorizontalAlign.Center }
19        })
20        .onClick(() => {
21          this.message = 'Welcome';
22        })
23
24      Button('新建备忘录').onClick((event: ClickEvent) => {
25        this.docs.push(this.index)
26        let context = getContext(this) as common.UIAbilityContext
27        let want: Want = {
28          deviceId: '',
29          bundleName: 'com.example.snailmall',
30          abilityName: 'DocumentAbility'
31        }
32
33        context.startAbility(want, (err) => {
34          if (err) {
35            console.log('startAbility DocumentAbility failed' + err.message)
36          }
37        }
38
39        )
40      })
41
42      Column() {
43        List() {
44          ForEach(this.docs, (item: number, index: number) => {
45            ListItem() {
46              Row() {
47                Image($r('app.media.startIcon'))
48                  .width(30)
49                Text('备忘录:' + item)
50              }
51            }
52          }, (item: number) => item.toString())
53        }
54      }
55    }
56    .height('100%')
57    .width('100%')
58  }
59}

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 1@Entry
 2@Component
 3struct Page06_Edit {
 4  @State message: string = '编辑备忘录';
 5
 6  build() {
 7    Column() {
 8      Text(this.message)
 9        .id('Page06_EditHelloWorld')
10        .fontSize($r('app.float.page_text_font_size'))
11        .fontWeight(FontWeight.Bold)
12        .alignRules({
13          center: { anchor: '__container__', align: VerticalAlign.Center },
14          middle: { anchor: '__container__', align: HorizontalAlign.Center }
15        })
16        .onClick(() => {
17          this.message = 'Welcome';
18        })
19
20      TextInput({
21        placeholder: '请输入编辑内容'
22      })
23    }
24    .height('100%')
25    .width('100%')
26  }
27}

配置AbilityStage容器

module.json5

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1{
2  "module": {
3    "name": "default",
4    "type": "entry",
5    "description": "$string:module_desc",
6    'srcEntry': './ets/myabilitystage/MyAbilityStage.ets',
7....

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 1import { common, Want } from '@kit.AbilityKit';
 2
 3@Entry
 4@Component
 5struct Page06_Document {
 6  @State message: string = '备忘录页面';
 7  @State docs: Array<number> = []
 8  @State index: number = 1
 9
10  build() {
11    Column() {
12      Text(this.message)
13        .id('Page06_DocumentHelloWorld')
14        .fontSize($r('app.float.page_text_font_size'))
15        .fontWeight(FontWeight.Bold)
16        .alignRules({
17          center: { anchor: '__container__', align: VerticalAlign.Center },
18          middle: { anchor: '__container__', align: HorizontalAlign.Center }
19        })
20        .onClick(() => {
21          this.message = 'Welcome';
22        })
23
24      Button('新建备忘录').onClick((event: ClickEvent) => {
25        this.docs.push(this.index)
26        let context = getContext(this) as common.UIAbilityContext
27        let want: Want = {
28          deviceId: '',
29          bundleName: 'com.example.snailmall',
30          abilityName: 'DocumentAbility',
31          parameters: {
32            instanceKey: `idx_${this.index++}`
33          }
34        }
35
36        context.startAbility(want, (err) => {
37          if (err) {
38            console.log('startAbility DocumentAbility failed' + err.message)
39          }
40        }
41
42        )
43      })
44
45      Column() {
46        List() {
47          ForEach(this.docs, (item: number, index: number) => {
48            ListItem() {
49              Row() {
50                Image($r('app.media.startIcon'))
51                  .width(30)
52                Text('备忘录:' + item)
53                  .onClick(() => {
54                    let context = getContext(this) as common.UIAbilityContext
55                    let want: Want = {
56                      deviceId: '',
57                      bundleName: 'com.example.snailmall',
58                      abilityName: 'DocumentAbility',
59                      parameters: {
60                        instanceKey: `idx_${index + 1}`
61                      }
62                    }
63                    context.startAbility(want, (err) => {
64                      if (err) {
65                        console.log('startAbility DocumentAbility failed' + err.message)
66                      }
67                    })
68                  })
69              }
70            }
71          }, (item: number) => item.toString())
72        }
73      }
74    }
75    .height('100%')
76    .width('100%')
77  }
78}

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 1@Entry
 2@Component
 3struct Page06_Edit {
 4  @State message: string = '编辑备忘录';
 5
 6  build() {
 7    Column() {
 8      Text(this.message)
 9        .id('Page06_EditHelloWorld')
10        .fontSize($r('app.float.page_text_font_size'))
11        .fontWeight(FontWeight.Bold)
12        .alignRules({
13          center: { anchor: '__container__', align: VerticalAlign.Center },
14          middle: { anchor: '__container__', align: HorizontalAlign.Center }
15        })
16        .onClick(() => {
17          this.message = 'Welcome';
18        })
19
20      TextInput({
21        placeholder: '请输入编辑内容'
22      })
23    }
24    .height('100%')
25    .width('100%')
26  }
27}

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 1import { AbilityStage, Want } from "@kit.AbilityKit";
 2
 3export default class MyAbilityStage extends AbilityStage {
 4  // 先执行onCreate，再加载UIAbility
 5  onCreate(): void {
 6    // 首次加载，module初始化
 7  }
 8
 9  onDestroy(): void {
10    console.log('MyAbilityStage onDestroy')
11  }
12
13  onAcceptWant(want: Want): string {
14    // 仅在specified模式生效
15    if (want.abilityName === 'DocumentAbility') {
16      // idx_1, idx_2
17      return `${want?.parameters?.instanceKey}`
18    }
19    return ''
20  }
21}

specified

存在111窗口，则直接打开

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