鸿蒙(HarmonyOS)实现隐私政策弹窗效果

struct Index {
    @State showAgreePrivacyPolicy:boolean=true;
    build() {
        RelativeContainer(){
            Row({space:10}){
                Image($r('app.media.app_icon')).width(60).height(60)
                Column({space:5}){
                    Text($r('app.string.app_name')).fontSize(22).fontColor($r('app.color.title_color'))
                    Text($r('app.string.launcher_tip')).fontSize(14).fontColor($r('app.color.other_color'))
                }.alignItems(HorizontalAlign.Start)
            }.alignRules({
                bottom: {anchor: "__container__", align: VerticalAlign.Bottom},
                middle: { anchor: '__container__', align: HorizontalAlign.Center }  //以父容器为锚点，水平方向居中对齐
            }).margin({
                bottom:30
            })
            if(this.showAgreePrivacyPolicy){//通过变量控制隐私政策弹窗是否显示
                PrivacyPolicyDialog({
                    cancel:this.onCancel.bind(this),//取消按钮点击
                    confirm:this.onAgree.bind(this),//确定按钮点击
                })
            }
        }.width('100%')
        .height('100%').backgroundColor($r('app.color.white'))
    }
    onCancel():void {
        (getContext(this) as common.UIAbilityContext)?.terminateSelf()
    }
    onAgree():void {//同意隐私政策
        this.showAgreePrivacyPolicy = false;
    }
}

@Component
export default struct PrivacyPolicyDialog{
    cancel!: () => void
    confirm!: () => void
    build() {
        Stack(){
            Column() {
                Text($r('app.string.simple_user_policy')).fontSize(18).fontColor($r('app.color.title_color')).margin({ top: 30, bottom: 19 })
                Scroll(){
                    Text(){
                        Span($r('app.string.privacy_policy_start'))
                        Span($r('app.string.user_agreement_two')).fontColor($r('app.color.mainColor')).onClick(() => {
                            this.openWebUrl("/useragreement.html");
                        })
                        Span($r('app.string.and'))
                        Span($r('app.string.privacy_policy_two')).fontColor($r('app.color.mainColor')).onClick(() => {
                            this.openWebUrl("/privacypolicy.html");
                        })
                        Span($r('app.string.simple_privacy_policy'))
                    }.fontSize(16).fontColor($r('app.color.body_color')).margin({
                        left:25,
                        right:25
                    })
                }.height(120)
                Column(){
                    Button($r('app.string.disagree_privacy_policy')).onClick(() => {
                        this.cancel();
                    }).fontColor($r('app.color.other_color')).fontSize(15).backgroundColor(Color.Transparent)
                    Button($r('app.string.agree_privacy_policy')).onClick(() => {
                        this.confirm();
                    }).fontColor($r('app.color.white')).fontSize(17)
                        .linearGradient({
                            direction: GradientDirection.Right, colors:[[$r('app.color.start_main_color'),0.0],[$r('app.color.end_main_color'),1.0]]
                        }).width('80%').margin({
                        top:15,bottom:21
                    }).borderRadius(24)
                }
            }.backgroundColor($r('app.color.white')).borderRadius(13).width('80%')
        }.width('100%')
        .height('100%').backgroundColor("#4D000000")//黑色背景 透明度约为 30%
    }
    openWebUrl(urlSuffix:string){
        let url= "https://www.srzs.top"+urlSuffix;
        router.pushUrl({
            url: 'pages/WebViewPage',
            params:{
                data1: 'message',
                url: url  // 传递的 URL 参数
            }
        }, router.RouterMode.Single)
    }
}