鸿蒙：警告弹窗

显示警告弹窗组件，可设置文本内容与响应回调。

说明：从API Version 7开始支持。后续版本如有新增内容，则采用上角标单独标记该内容的起始版本。

属性

AlertDialogParamWithConfirm对象说明

AlertDialogParamWithButtons对象说明

DialogAlignment枚举说明

// xxx.ets
@Entry
@Component
struct AlertDialogExample {
  build() {
    Column({ space: 5 }) {
      Button('one button dialog')
        .onClick(() => {
          AlertDialog.show(
            {
              title: 'title',
              message: 'text',
              autoCancel: true,
              alignment: DialogAlignment.Bottom,
              offset: { dx: 0, dy: -20 },
              gridCount: 3,
              confirm: {
                value: 'button',
                action: () => {
                  console.info('Button-clicking callback')
                }
              },
              cancel: () => {
                console.info('Closed callbacks')
              }
            }
          )
        })
        .backgroundColor(0x317aff)
      Button('two button dialog')
        .onClick(() => {
          AlertDialog.show(
            {
              title: 'title',
              message: 'text',
              autoCancel: true,
              alignment: DialogAlignment.Bottom,
              gridCount: 4,
              offset: { dx: 0, dy: -20 },
              primaryButton: {
                value: 'cancel',
                action: () => {
                  console.info('Callback when the first button is clicked')
                }
              },
              secondaryButton: {
                value: 'ok',
                action: () => {
                  console.info('Callback when the second button is clicked')
                }
              },
              cancel: () => {
                console.info('Closed callbacks')
              }
            }
          )
        }).backgroundColor(0x317aff)
    }.width('100%').margin({ top: 5 })
  }
}