# flutter_get

**Repository Path**: mzhai/flutter_get

## Basic Information

- **Project Name**: flutter_get
- **Description**: flutter_get
- **Primary Language**: Unknown
- **License**: EPL-1.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 1
- **Forks**: 0
- **Created**: 2020-11-18
- **Last Updated**: 2024-11-07

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# flutter_get

A new Flutter application.

## 环境信息

```
Flutter 1.22.4 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 1aafb3a8b9 (2 weeks ago) • 2020-11-13 09:59:28 -0800
Engine • revision 2c956a31c0
Tools • Dart 2.10.4
```

## 已完成
#### webview_flutter
```dart
Widget build(BuildContext context) {
     final String contentBase64 = base64Encode(const Utf8Encoder().convert('${this.appendHead}${widget.content}${this.appendStyle}'));
     return Scaffold(
         appBar: AppBar(
           brightness: Brightness.light,
           title:Text('${widget.title}'),
           elevation: 0.5,
           backgroundColor: widget.appBarBackgroundColor ?? Colors.white,
         ),
         body: Container(
           margin: EdgeInsets.only(left:4.0,right:4.0),
           width:MediaQuery.of(context).size.width,
           child:  WebView(
             initialUrl:widget.initUrl ?? 'data:text/html;base64,$contentBase64',
             javascriptMode: JavascriptMode.unrestricted,
             onWebViewCreated: (WebViewController webViewController) {
               _controller.complete(webViewController);
             },
           ),
         )
     );
   }
```
#### 图片轮播 carousel_slider
```dart
 Widget _createCarouselSlider(BuildContext context, AsyncSnapshot snapshot) {
    List latestLists = [1,2,3,4,5];
    return CarouselSlider.builder(
      itemCount: latestLists.length,
      itemBuilder: (ctx, index) {
        return Container(
          child: Text('TEXT TEXT'),
        );
      },
      options: CarouselOptions(
        height: 200.0,
        aspectRatio: 16 / 9,
        viewportFraction: 0.8,
        initialPage: 0,
        enableInfiniteScroll: true,
        autoPlay: true,
        enlargeCenterPage: false,
        enlargeStrategy: CenterPageEnlargeStrategy.height,
        // onPageChanged: (i){
        //   print(i)
        // }
      ),
    );
  }
```
#### 模糊效果

```dart
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'dart:ui';

class BlurBackCard extends StatelessWidget{

  BlurBackCard({@required this.child, this.blurColor});

  final Widget child; // 前景Widget
  final Color blurColor;

  @override
  Widget build(BuildContext context) {
    return ClipRRect(
      borderRadius: BorderRadius.circular(20.0),
      child: BackdropFilter(
        //背景滤镜
        filter:
        ImageFilter.blur(sigmaX: 2, sigmaY: 2), //背景模糊化
        child: Container(
          padding: EdgeInsets.all(16.0),
          color: this.blurColor ?? Colors.black.withOpacity(0.2),
          child: child,
        ),
      ),
    );
  }
}
```
#### 权限获取
```dart
import 'package:permission_handler/permission_handler.dart';

class PermissionGet {
  // calendar,
  // camera,
  // contacts,
  // location,
  // locationAlways,
  // locationWhenInUse,
  // mediaLibrary,
  // microphone,
  // phone,
  // photos,
  // reminders,
  // sensors,
  // sms,
  // speech,
  // storage,
  // ignoreBatteryOptimizations,
  // notification,
  // accessMediaLocation,
  // activityRecognition,
  // unknown,

  // 'calendar',
  // 'camera',
  // 'contacts',
  // 'location',
  // 'locationAlways',
  // 'locationWhenInUse',
  // 'mediaLibrary',
  // 'microphone',
  // 'phone',
  // 'photos',
  // 'reminders',
  // 'sensors',
  // 'sms',
  // 'speech',
  // 'storage',
  // 'ignoreBatteryOptimizations',
  // 'notification',
  // 'access_media_location',
  // 'activity_recognition',
  // 'unknown',

  PermissionGet(String permissionName){
    final Map<String, Permission> permissionNamedMap = {
      'location': Permission.location,
    };
    this.permission = permissionNamedMap[permissionName];
  }

  Permission permission;
  PermissionStatus _permissionStatus = PermissionStatus.undetermined;

  Future checkPermissionStatus () async {
    this._permissionStatus = await this.permission.status;
    return this._permissionStatus;
  }

  Future requestPermission() async {
    final status = await this.permission.request();
    this._permissionStatus = status;
    return this._permissionStatus;
  }

  Future requestPermissionWithCheck() async {
    final permissionStatus = await this.permission.status;
    if(permissionStatus != PermissionStatus.granted) {
      final status = await this.permission.request();
      this._permissionStatus = status;
    } else {
      this._permissionStatus = await checkPermissionStatus();
    }
    return this._permissionStatus;
  }

}
```
#### 高德地图 amap_location + amap_map_fluttify
```dart  
import 'package:amap_location/amap_location.dart';
import 'package:flutter_get/utils/Permission.dart';

class AmapLocation {

  AMapLocation _loc;

  Future startUp() async {
    bool hasPermission = await PermissionGet('locationAlways').requestPermissionWithCheck();
    if(hasPermission) {
      await AMapLocationClient.startup(new AMapLocationOption( desiredAccuracy:CLLocationAccuracy.kCLLocationAccuracyHundredMeters  ));
    }
    return true;
  }

  Future getLocation() async {
    bool hasPermission = await PermissionGet('locationAlways').requestPermissionWithCheck();
    if(hasPermission) {
      this._loc = await AMapLocationClient.getLocation(true);
    }
    return this._loc;
  }

  onLocationUpate () {
    AMapLocationClient.onLocationUpate.listen((AMapLocation loc){
      this._loc = loc;
    });
    AMapLocationClient.startLocation();
  }

  void stopLocation () {
    AMapLocationClient.stopLocation();
  }

  void shutdown () {
    AMapLocationClient.shutdown();
  }

}
```
#### 相机 camera: 0.5.8+11
```dart
import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:camera/camera.dart';
import 'dart:io';
import 'package:flutter_get/components/FaceAttr.dart';
import 'package:path_provider/path_provider.dart';

class CreateCamera extends StatefulWidget {
  @override
  _CreateCameraState createState() => _CreateCameraState();
}

class _CreateCameraState extends State<CreateCamera> {
  List<CameraDescription> _cameras;
  CameraController _controller;
  String imageFilePathPreview;
  List<String> imageFiles;
  Future initCamera;

  @override
  void initState() {
    _init();
    super.initState();
  }

  _initCamera() async {
    _cameras = await availableCameras();
    _controller = CameraController(_cameras[0], ResolutionPreset.max);
    await _controller.initialize();
    return _controller;
  }

  Future _init() async {
    CameraController con = await _initCamera();
    return con;
  }

  String _timestamp() {
    return '${DateTime.now()}';
  }

  void _captureImage() async {
    if (_controller.value.isInitialized) {
      final Directory extDir = await getApplicationDocumentsDirectory();
      final String dirPath = '${extDir.path}/media';
      await Directory(dirPath).create(recursive: true);
      final String filePath = '$dirPath/${_timestamp()}.jpg';
      await _controller.takePicture(filePath);
      var  directory  =   new Directory(dirPath);
      List<FileSystemEntity> files = directory.listSync();
      List<String> imageFilePathList = [];
      for(var f in files){
        print(f.path);
        imageFilePathList.add(f.path);
        var bool = FileSystemEntity.isFileSync(f.path);
        if(bool){
          print(f.path);
        }
      }
      setState(() {
        imageFilePathPreview = filePath;
        imageFiles = imageFilePathList;
      });
    }
  }


  Widget cameraPreview(BuildContext context) {
    if (this._controller == null || !this._controller.value.isInitialized) {
      return RaisedButton(
        child: Text('openCamera'),
        onPressed: () async {
          // await _initCamera();
          // initCamera = await _init();
        },
      );
    } else {
      return Container(
        width: MediaQuery.of(context).size.width / 2,
        child: CameraPreview(this._controller),
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      builder: (BuildContext context, AsyncSnapshot snapshot) {
        if (snapshot.connectionState == ConnectionState.done) {
          return InkWell(
            child: Row(
              children: [
                Expanded(
                  child: Container(
                    width: MediaQuery.of(context).size.width / 2,
                    child: cameraPreview(context),
                  ),
                ),
                Expanded(
                  child: Container(
                      width: MediaQuery.of(context).size.width / 2,
                      child: Column(
                        children: [
                          Expanded(child: FaceAttr(path: this.imageFilePathPreview)),
                        ],
                      )
                  ),
                )
              ],
            ),
            onLongPress: () {
              _captureImage();
            },
          );
        } else {
          return Center(
            child: CircularProgressIndicator(),
          );
        }
      },
      future: _init(),
    );
  }
}

```
          
#### 文件存储/读取 path_provider: 1.6.24
 ```dart
void _captureImage() async {
    if (_controller.value.isInitialized) {
      final Directory extDir = await getApplicationDocumentsDirectory();
      final String dirPath = '${extDir.path}/media';
      await Directory(dirPath).create(recursive: true);
      final String filePath = '$dirPath/${_timestamp()}.jpg';
      await _controller.takePicture(filePath);
      var  directory  =   new Directory(dirPath);
      List<FileSystemEntity> files = directory.listSync();
      List<String> imageFilePathList = [];
      for(var f in files){
        print(f.path);
        imageFilePathList.add(f.path);
        var bool = FileSystemEntity.isFileSync(f.path);
        if(bool){
          print(f.path);
        }
      }
      setState(() {
        imageFilePathPreview = filePath;
        imageFiles = imageFilePathList;
      });
    }
  }
```
#### 图片上传 
```dart
import 'dart:io';
import 'dart:convert';

class Image2Base64 {
  static Future image2Base64(String path) async {
    File file = new File(path);
    List<int> imageBytes = await file.readAsBytes();
    return base64Encode(imageBytes);
  }
}


```
#### 振动反馈                                                                                                                                                                                                                                                                                   
```dart
if (_canVibrate) {
  Vibrate.feedback(FeedbackType.success);
 }
```

## 待完成
#### 水印
#### 路由改造
#### 基础模糊组件
#### 角标
#### 蓝牙
#### 视频播放