hyzp_ybqx-Commit001：代码刚转换好，编译通过

2021-12-09 20:24:36 +08:00
commit 8c74b14e5c
800 changed files with 66912 additions and 0 deletions
@@ -0,0 +1,151 @@
+import 'package:flutter/material.dart';
+import '../../services/EventBus.dart';
+import 'package:camera/camera.dart';
+import '../../components/commonFun.dart';
+import 'dart:io';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+
+
+class FaceLogin extends StatefulWidget {
+  FaceLogin({this.arguments, Key key}) : super(key: key);
+  var arguments;
+
+  _LoginPageState createState() => _LoginPageState();
+}
+
+class _LoginPageState extends State<FaceLogin> {
+  Future<void> camerasInit() async {
+    try {
+      WidgetsFlutterBinding.ensureInitialized();
+      cameras = await availableCameras();
+      print(cameras.toString());
+    } on CameraException catch (e) {
+      //logError(e.code, e.description);
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    camerasInit();
+  }
+
+  //监听登录页面销毁的事件
+  dispose() {
+    super.dispose();
+    eventBus.fire(new UserEvent('登录成功...'));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      // appBar: AppBar(
+      //   centerTitle: true,
+      //   title: Text('人脸验证登录'),
+      // ),
+      body: Container(
+        padding: EdgeInsets.all(ScreenUtil().setWidth(20)),
+        child: ListView(
+          children: <Widget>[
+            Center(
+              child: Container(
+                margin: EdgeInsets.only(top: 30),
+                height: ScreenUtil().setWidth(160),
+                width: ScreenUtil().setWidth(160),
+                child: Image.asset('assets/images/ybsthbj.png', fit: BoxFit.fitHeight),
+              ),
+            ),
+            //SizedBox(height: 30),
+            Center(
+              child: Container(
+                //margin: EdgeInsets.only(top: 30),
+                height: ScreenUtil().setWidth(800),
+                width: ScreenUtil().setWidth(800),
+                child: FlatButton(
+                  onPressed: () {
+                    Navigator.pushNamed(context, '/faceLogin_take_pictuer', arguments: 'FaceLogin');
+                  },
+                  //已经为图片header1.png添加圆形边框
+                  child: Stack(
+                    children: <Widget>[
+                      Align(
+                        alignment: Alignment.center,
+                        child: Container(
+                          child: Image.asset('assets/images/header1.png', fit: BoxFit.cover),
+                        ),
+                      ),
+                      Align(
+                        alignment: Alignment.center,
+                        child: Container(
+                          alignment: Alignment(0, 0),
+                          //192像素的图片显示出来为202像素，200 = 192 + 8
+                          height: 200,
+                          width: 200,
+                          decoration: BoxDecoration(
+                            //color: Colors.black,
+                            shape: BoxShape.circle,
+                            border: Border.all(color: Color.fromRGBO(88, 126, 211, 1), width: 5.0),
+                            // borderRadius: BorderRadius.all(
+                            //   Radius.circular(400),
+                            // ),
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+            SizedBox(
+              height: 20,
+            ),
+            // Container(
+            //   alignment: Alignment(0, 0),
+            //   width: 200,
+            //   height: 230,
+            //   decoration: BoxDecoration(
+            //     border: Border.all(color: Colors.orange, width: 1.0),
+            //   ),
+            //   child: _getImage(widget.arguments),
+            // ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  //定义一个组件显示图片
+  Widget _getImage(String filePath) {
+    if (null == filePath) {
+      return Text("请选择图片...");
+    }
+    File _image = File(filePath);
+    //return Image.file(_image);
+
+    int imageWidth;
+    int imageHeight;
+    // 预先获取图片信息
+    Image image = Image.file(File.fromUri(Uri.parse(filePath)));
+    image.image
+        .resolve(new ImageConfiguration())
+        .addListener(new ImageStreamListener((ImageInfo info, bool _) {
+      imageWidth = info.image.width;
+      imageHeight = info.image.height;
+    }));
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: <Widget>[
+        //480*720
+        Text('宽高：${imageWidth}x${imageHeight}', style: TextStyle(fontSize: 17.0)),
+        Container(
+          width: imageWidth / 4,
+          height: imageHeight / 4,
+          decoration: BoxDecoration(
+            image: DecorationImage(image: AssetImage(filePath), fit: BoxFit.cover),
+          ),
+        )
+      ],
+    );
+  }
+}