hyzp_ybqx/lib/components/customDialogB.dart

import 'package:flutter/material.dart';
import 'commonFun.dart';
import 'package:flutter/services.dart';

//输入视频地址对话框
class customDialogB extends Dialog {
  String title;
  String content;
  String url;

  customDialogB({this.title = "", this.content = "", this.url = ''});

  // Widget getButton({double width = 60.0, double height = 30.0, RaisedButton raisedButton}) {
  //   return ButtonTheme(
  //     minWidth: width, //设置最小宽度
  //     height: height,
  //     //colorScheme: ,
  //     buttonColor: Colors.white60,
  //     child: raisedButton,
  //   );
  // }

  Widget getBtnSizeX({@required text, width = 60.0, height = 30.0, onPressedFun}) {
    return Container(
      color: Colors.white12, //onPressedFun为null时无效
      width: width,
      height: height,
      child: RaisedButton(
        padding: EdgeInsets.all(0),
        textColor: Colors.black,
        child: Text(text),
        onPressed: onPressedFun,
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    Size mediaSize = MediaQuery.of(context).size;
    // TODO: implement build
    return WillPopScope(
      child: Material(
        type: MaterialType.transparency,
        child: Container(
          alignment: Alignment(0, -0.7),
          child: Container(
            // height: 260,
            // width: 300,
            height: mediaSize.height * 0.4,
            width: mediaSize.width * 0.95,
            //color: Colors.white,  //Cannot provide both a color and a decoration
            decoration: BoxDecoration(
              color: Colors.white,
              //border: Border.all(color: Colors.blue, width: 1.0),
              borderRadius: BorderRadius.all(
                Radius.circular(2),
              ),
            ),
            child: Column(
              children: <Widget>[
                Padding(
                  padding: EdgeInsets.fromLTRB(10, 10, 10, 0),
                  child: Stack(
                    children: <Widget>[
                      Align(
                        alignment: Alignment.center,
                        child: Text(
                          "${this.title}",
                          style: TextStyle(
                            fontSize: 15.0,
                          ),
                        ),
                      ),
                      Align(
                        alignment: Alignment.centerRight,
                        child: InkWell(
                          child: Icon(Icons.close),
                          onTap: () {
                            Navigator.pop(context, url);
                          },
                        ),
                      )
                    ],
                  ),
                ),
                Divider(),
                Container(
                  padding: EdgeInsets.fromLTRB(20, 10, 20, 10),
                  width: double.infinity,
                  child: TextField(
                    maxLines: 4,
                    controller: myController,
                    autofocus: false, //不会自动打开输入键盘
                    decoration: InputDecoration(
                        fillColor: Theme.of(context).hoverColor,
                        filled: true,
                        hintText: 'Media Url',
                        border: OutlineInputBorder()
                        //labelText: 'Media Url',
                        ),
                  ),
                ),
                SizedBox(height: 10),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                  children: <Widget>[
                    getBtnSizeX(
                      text: "粘贴",
                      onPressedFun: () async {
                        ClipboardData data = await Clipboard.getData(Clipboard.kTextPlain);
                        myController.text = data.text;
                      },
                    ),
                    // getButton(
                    //   raisedButton: RaisedButton(
                    //     onPressed: () async {
                    //       ClipboardData data =
                    //           await Clipboard.getData(Clipboard.kTextPlain);
                    //       myController.text = data.text;
                    //     },
                    //     child: Text("粘贴"),
                    //   ),
                    // ),
                    getBtnSizeX(
                      text: "获取",
                      onPressedFun: () async {
                        myController.text = url;
                      },
                    ),
                    // getButton(
                    //   raisedButton: RaisedButton(
                    //     onPressed: () async {
                    //       myController.text = url;
                    //     },
                    //     child: Text("获取"),
                    //   ),
                    // ),
                    getBtnSizeX(
                      text: "清除",
                      onPressedFun: () {
                        myController.clear();
                      },
                    ),
                    // getButton(
                    //   raisedButton: RaisedButton(
                    //     onPressed: () {
                    //       myController.clear();
                    //     },
                    //     child: Text("清除"),
                    //   ),
                    // ),
                    getBtnSizeX(
                      text: "播放",
                      onPressedFun: () {
                        //Navigator.of(context).pop()       //关闭弹框，这样关闭会导致视频播放停止，无法开始
                        if ("" != myController.text) {
                          urlnew = url = myController.text;
                        }
                        Navigator.pop(context, url); //关闭弹框，播放输入视频地址
                      },
                    ),
                    // getButton(
                    //   raisedButton: RaisedButton(
                    //     onPressed: () {
                    //       //Navigator.of(context).pop()       //关闭弹框，这样关闭会导致视频播放停止，无法开始
                    //       if ("" != myController.text) {
                    //         urlnew = url = myController.text;
                    //       }
                    //       Navigator.pop(context, url); //关闭弹框，播放输入视频地址
                    //     },
                    //     child: Text("播放"),
                    //   ),
                    // ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ),
      onWillPop: () {
        // 屏蔽点击返回键的操作
        //player.pause();
        Navigator.pop(context, url);
      },
    );
  }
}