【问题标题】:How to implement flutter google place package如何实现颤振谷歌地方包
【发布时间】:2020-05-01 22:42:10
【问题描述】:

如何使用flutter google place包以及如何只在屏幕上实现它而不在flutter中打开新屏幕。

Flutter google place 包 - https://pub.dev/packages/flutter_google_places#-readme-tab-

【问题讨论】:

    标签: google-maps flutter google-places-api


    【解决方案1】:

    包支持Mode.overlay
    当您调用 PlacesAutocomplete.show 时,将 mode 设置为 Mode.overlay

    代码sn-p

    body: Center(
          child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          _buildDropdownMenu(),
          RaisedButton(
            onPressed: _handlePressButton,
            child: Text("Search places"),
          ),
    ...
    Widget _buildDropdownMenu() => DropdownButton(  
            value: _mode,
            items: <DropdownMenuItem<Mode>>[
              DropdownMenuItem<Mode>(
                child: Text("Overlay"),
                value: Mode.overlay,
              ),
              DropdownMenuItem<Mode>(
                child: Text("Fullscreen"),
                value: Mode.fullscreen,
              ),
            ],
            onChanged: (m) {
              setState(() {
                _mode = m;
              });
            },
          );
    ...   
    Future<void> _handlePressButton() async {
        // show input autocomplete with selected mode
        // then get the Prediction selected
        Prediction p = await PlacesAutocomplete.show(
          context: context,
          apiKey: kGoogleApiKey,
          onError: onError,
          mode: _mode,
          language: "fr",
          components: [Component(Component.country, "fr")],
        );
    
        displayPrediction(p, homeScaffoldKey.currentState);
      }   
    

    您可以直接复制粘贴运行示例
    完整的例子 https://github.com/fluttercommunity/flutter_google_places/blob/master/example/lib/main.dart

    【讨论】:

    • 我知道,但我想在自定义文本字段中搜索位置。
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