{"id":575,"date":"2023-02-18T18:33:57","date_gmt":"2023-02-18T10:33:57","guid":{"rendered":"http:\/\/gjweb.top\/?p=575"},"modified":"2023-02-18T18:33:58","modified_gmt":"2023-02-18T10:33:58","slug":"10-appber-tabber-tabberview","status":"publish","type":"post","link":"https:\/\/gjweb.top\/?p=575","title":{"rendered":"10. APPBer & TabBer & TabBerView"},"content":{"rendered":"\n

AppBer \u81ea\u5b9a\u4e49\u9876\u90e8\u6309\u94ae\u56fe\u6807\u3001\u989c\u8272<\/h2>\n\n\n\n
\u5c5e\u6027<\/th>\u4f5c\u7528<\/th>\u7c7b\u578b<\/th><\/tr><\/thead>
leading<\/td>\u6807\u9898\u524d\u9762\u663e\u793a\u7684\u4e00\u4e2a\u63a7\u4ef6,\u9996\u9875\u4e00\u822c\u653elogo,\u5176\u4ed6\u9875\u9762\u4e00\u822c\u653e\u8fd4\u56de\u6309\u94ae<\/td><\/td><\/tr>
title<\/td>\u6807\u9898<\/td><\/td><\/tr>
actions<\/td>\u901a\u5e38\u4f7f\u7528IconButton\u8868\u793a,\u53ef\u4ee5\u653e\u6309\u94ae\u7ec4<\/td><\/td><\/tr>
bottom<\/td>\u901a\u5e38\u653etabBar,\u6807\u9898\u4e0b\u9762\u7684\u4e00\u4e2a\u5bfc\u822a\u680f,\u7c7b\u4f3c\u4e8e\u5934\u6761\u7684tab<\/td><\/td><\/tr>
backgroundColor<\/td>\u5bfc\u822a\u80cc\u666f\u989c\u8272<\/td><\/td><\/tr>
iconTheme<\/td>\u56fe\u6807\u6837\u5f0f<\/td><\/td><\/tr>
centerTitle<\/td>\u6807\u9898\u662f\u5426\u5c45\u4e2d<\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
Scaffold(
    appBar:AppBar(
        backgroundColor:Colors.red,
        title:Text(\"\u6807\u9898\"),
        leading:IconButton( \/\/ \u5de6\u4fa7
            onPressed(){},
            icon:Icon(Icons.flutter)
        ),
        actions:[ \/\/ \u53f3\u4fa7
            IconButton(
                icon:const Icon(Icons.add),
                onPressed:(){}
            ),
            IconButton(
                icon:const Icon(Icons.search),
                onPressed:(){}
            ),
        ]
    )
)<\/code><\/pre>\n\n\n\n
TabBer \u7ec4\u4ef6 \u9876\u90e8\u7684\u5bfc\u822a\u680f<\/h2>\n\n\n\n
\u5c5e\u6027<\/th>\u4f5c\u7528<\/th>\u7c7b\u578b<\/th><\/tr><\/thead>
tabs<\/td>\u663e\u793a\u6807\u7b7e\u5185\u5bb9,\u901a\u5e38\u60c5\u51b5\u4e0b\u662f Tab \u4e5f\u53ef\u4ee5\u662f Widget<\/td><\/td><\/tr>
controller<\/td>tabController\u5bf9\u8c61<\/td><\/td><\/tr>
isScrollable<\/td>\u662f\u5426\u53ef\u6eda\u52a8<\/td>bool<\/td><\/tr>
indicatorColor<\/td>\u6307\u793a\u5668\u989c\u8272<\/td>Color<\/td><\/tr>
indicatorWeight<\/td>\u6307\u793a\u5668\u9ad8\u5ea6<\/td>Color<\/td><\/tr>
indicatorPadding<\/td>\u5e95\u90e8\u6307\u793a\u5668\u7684Padding<\/td><\/td><\/tr>
indicator<\/td>\u6307\u793a\u5668 Decoration<\/td><\/td><\/tr>
indicatorSize<\/td>\u6307\u793a\u5668\u5927\u5c0f,TabbarIndicatorSize.label \u6587\u5b57\u7b49\u5bbd; .tab tab\u7b49\u5bbd<\/td><\/td><\/tr>
labelColor<\/td>\u9009\u4e2d\u7684 label \u989c\u8272<\/td>Color<\/td><\/tr>
labelStyle<\/td>\u9009\u4e2d\u7684 label \u7684\u6837\u5f0f<\/td><\/td><\/tr>
labelPadding<\/td>\u6bcf\u4e2a label \u7684\u5185\u8fb9\u8ddd<\/td><\/td><\/tr>
unselectedLabelColor<\/td>\u672a\u9009\u4e2d label \u7684\u989c\u8272<\/td>Color<\/td><\/tr>
unselectedLabelStyle<\/td>\u672a\u9009\u4e2d\u7684 label \u7684 style<\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u4f7f\u7528\u9700\u8981\u6df7\u5165\u76f8\u5173\u7c7b<\/p>\n\n\n\n
class xxx extends state<xxx> with SingleTickerProviderStateMixin{
    \/\/ \u5b9a\u4e49 tabController
    late TabController _xxx;
    void initState(){
        super.initState();
        _xxx = TabController(length:8,vsync:this);
        _xxx.addListener(){
            if (_xxx.animation!.value == _xxx.index) {
                print(_xxx.index); \/\/\u83b7\u53d6\u70b9\u51fb\u6216\u6ed1\u52a8\u9875\u9762\u7684\u7d22\u5f15\u503c
            }
        }
    }
    \/\/ \u914d\u7f6e Tabbar \u548c TabBerView
    Widget build(BuildContext context){
        return Scaffold(
            appBar:AppBar(
                title:const Text(\"Flutter App\"),
                bottom:tabBar(
                    controller:_xxx,
                    tabs:const [
                        Tab(child:Text(\"\u70ed\u95e8\")),
                        Tab(child:Text(\"\u70ed\u95e81\")),
                        Tab(child:Text(\"\u70ed\u95e82\")),
                    ]
                ),
                body:TabBarView(
                    controller:_xxx,
                    children:[
                        Text(\"\u70ed\u95e8\"),
                        Text(\"\u70ed\u95e81\"),
                        Text(\"\u70ed\u95e82\"),
                    ]
                )
            )
        )
    }
}
\u200b
\u200b<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u6539\u53d8 appBar \u7684\u9ad8\u5ea6<\/h2>\n\n\n\n
\u4f7f\u7528 preferredSize \u53ef\u4ee5\u6539\u53d8 appBar \u7684\u9ad8\u5ea6<\/p>\n\n\n\n
Scaffold(
    appBar:PreferredSize(
        preferredSize:Size\u3002fromHeight(50),
        child:AppBar()
    )
)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
AppBer \u81ea\u5b9a\u4e49\u9876\u90e8\u6309\u94ae\u56fe\u6807\u3001\u989c\u8272 \u5c5e\u6027 \u4f5c\u7528 \u7c7b\u578b leading \u6807\u9898\u524d\u9762\u663e\u793a\u7684\u4e00\u4e2a\u63a7\u4ef6,\u9996\u9875\u4e00\u822c\u653el […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-575","post","type-post","status-publish","format-standard","hentry","category-flutter"],"_links":{"self":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=575"}],"version-history":[{"count":2,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/575\/revisions"}],"predecessor-version":[{"id":577,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/575\/revisions\/577"}],"wp:attachment":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}