长按实现各类振动效果

import vibrator from '@ohos.vibrator'; 
import Prompt from '@system.prompt'; 
​ 
@Entry 
@Component 
struct Index { 
 @State count: number = 0 
 @State delayTime: string = '500' 
 @State fingers: number = 2 
 @State message1: string = '' 
 @State message2: string = '' 
 @State message3: string = '' 
 @State message4: string = '' 
​ 
 // 由于repeat设置为true，长按动作存在时会连续触发，触发间隔为duration（默认值500ms） 
 build() { 
   Column() { 
     Text('长按振动') 
      .width('100%') 
      .height(100) 
      .fontSize(50) 
      .fontColor(Color.Orange) 
      .textAlign(TextAlign.Center) 
      .backgroundColor(Color.Grey) 
      .gesture( 
         LongPressGesture() 
          .onAction((event: GestureEvent) => { 
             try { 
               vibrator.startVibration({ 
                 type: 'time', 
                 duration: 1000, 
              }, { 
                 id: 0, 
                 usage: 'alarm' 
              }) 
                .then(() => { 
                   console.info('Succeed in starting vibration'); 
                }, () => {}); 
            } catch (err) { 
               console.error(`An unexpected error occurred. Code: ${err.code}, message: ${err.message}`); 
            } 
          }) 
          .onActionEnd(() => { 
             // 长按动作一结束触发 
             Prompt.showToast({ message: 'end' }) 
          }) 
      ) 
      .onClick(() => { 
​ 
      }) 
     List() { 
       ListItem() { 
         Text() { 
           Span('默认500ms触发长按') 
           Span(this.message1) 
            .fontColor(Color.Green) 
        } 
        .margin(100) 
        .fontSize(30) 
        .gesture( 
           LongPressGesture() 
            .onAction((event: GestureEvent) => { 
               this.message1 = '触发长按' 
            }) 
            .onActionEnd(() => { 
               // 长按动作一结束触发 
               this.message1 = '' 
            }) 
        ) 
      } 
​ 
       ListItem() { 
         Text() { 
           Span('默认2000ms触发长按') 
           Span(this.message2) 
            .fontColor(Color.Green) 
        } 
        .margin(100) 
        .fontSize(30) 
        .gesture( 
           LongPressGesture({ duration: 2000 }) 
            .onAction((event: GestureEvent) => { 
               this.message2 = '触发长按' 
            }) 
            .onActionEnd(() => { 
               // 长按动作一结束触发 
               this.message2 = '' 
            }) 
        ) 
      } 
​ 
       ListItem() { 
         Text() { 
           Span(`最低触发手指数${this.fingers}`) 
           Span(this.message3) 
            .fontColor(Color.Green) 
        } 
        .margin(100) 
        .fontSize(30) 
        .gesture( 
           LongPressGesture({ fingers: this.fingers }) 
            .onAction((event: GestureEvent) => { 
               this.message3 = '触发长按' 
            }) 
            .onActionEnd(() => { 
               this.message3 = '' 
            }) 
        ) 
      } 
​ 
       ListItem() { 
         Text() { 
           Span(`连续触发事件回调${this.count}次`) 
           Span(this.message4) 
            .fontColor(Color.Green) 
        } 
        .margin(100) 
        .fontSize(30) 
        .gesture( 
           LongPressGesture({ repeat: true }) 
            .onAction((event: GestureEvent) => { 
               this.count++ 
            }) 
            .onActionEnd(() => { 
               this.count = 0 
            }) 
        ) 
      } 
    } 
    .width('100%') 
    .height('100%') 
  } 
} 
}