feature：编写使用ImagePicker获取图片到对话框预览

lib/components/picker_image.dart

@@ -0,0 +1,86 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+
+/// 图片选择预览Dialog
+class PickerImageDialog extends Dialog {
+  final String imageName;
+  final String imagePath;
+
+  PickerImageDialog(this.imageName, this.imagePath);
+
+  TextEditingController _controller;
+
+  @override
+  Widget build(BuildContext context) {
+    _controller = TextEditingController(text: imageName);
+    return Material(
+      type: MaterialType.transparency,
+      child: Center(
+        child: SizedBox(
+          height: 280.0,
+          width: double.infinity,
+          child: Padding(
+            padding: EdgeInsets.fromLTRB(25, 0, 25, 0),
+            child: Container(
+              width: double.infinity,
+              clipBehavior: Clip.antiAlias,
+              decoration: BoxDecoration(
+                borderRadius: BorderRadius.circular(8),
+                color: Colors.white,
+              ),
+              child: Column(
+                children: <Widget>[
+                  Container(
+                    height: 180,
+                    width: double.infinity,
+                    child: Image.file(File(this.imagePath), fit: BoxFit.cover),
+                  ),
+                  SizedBox(height: 10),
+                  ConstrainedBox(
+                    constraints: BoxConstraints(
+                      maxHeight: 40,
+                    ),
+                    child: TextField(
+                      controller: _controller,
+                      decoration: InputDecoration(
+                        hintText: "请输入图片名称，注意保留后缀",
+                      ),
+                    ),
+                  ),
+                  SizedBox(height: 10),
+                  Container(
+                    height: 30,
+                    child: Row(
+                      children: <Widget>[
+                        SizedBox(width: 10),
+                        Expanded(
+                          child: RaisedButton(
+                            color: Theme.of(context).accentColor,
+                            textColor: Colors.white,
+                            child: Text('取消'),
+                            onPressed: () {},
+                          ),
+                        ),
+                        SizedBox(width: 10),
+                        Expanded(
+                          child: RaisedButton(
+                            color: Theme.of(context).accentColor,
+                            textColor: Colors.white,
+                            child: Text('上传'),
+                            onPressed: () {},
+                          ),
+                        ),
+                        SizedBox(width: 10),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/views/album_page/album_page.dart

@@ -1,8 +1,17 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
+import 'package:flutter_picgo/components/picker_image.dart';
+import 'package:flutter_picgo/model/uploaded.dart';
+import 'package:flutter_picgo/views/album_page/album_page_presenter.dart';
 import 'package:image_picker/image_picker.dart';
 
-class AlbumPage extends StatelessWidget {
+class AlbumPage extends StatefulWidget {
+  @override
+  _AlbumPageState createState() => _AlbumPageState();
+}
 
+class _AlbumPageState extends State<AlbumPage> implements AlbumPageContract {
   final picker = ImagePicker();
 
   @override
@@ -13,7 +22,7 @@ class AlbumPage extends StatelessWidget {
         centerTitle: true,
       ),
       floatingActionButton: FloatingActionButton(
-        child: Icon(Icons.file_upload),
+        child: Icon(IconData(0xe639, fontFamily: 'iconfont')),
         onPressed: () {
           getImage();
         },
@@ -24,9 +33,18 @@ class AlbumPage extends StatelessWidget {
   void getImage() async {
     try {
       final pickedFile = await picker.getImage(source: ImageSource.gallery);
+      await showDialog(
+          context: context,
+          barrierDismissible: false,
+          builder: (context) {
+            return PickerImageDialog('dasdasd.png', pickedFile.path);
+          });
+      File(pickedFile.path);
     } catch (e) {
       print('报错$e');
     }
   }
 
+  @override
+  void loadUploadedImages(List<Uploaded> uploadeds) {}
 }

lib/views/album_page/album_page_presenter.dart

@@ -0,0 +1,27 @@
+import 'dart:io';
+import 'package:flutter_picgo/model/uploaded.dart';
+import 'package:flutter_picgo/resources/table_name_keys.dart';
+import 'package:flutter_picgo/utils/sql.dart';
+
+abstract class AlbumPageContract {
+
+  void loadUploadedImages(List<Uploaded> uploadeds);
+
+}
+
+class AlbumPagePresenter {
+
+  AlbumPageContract _view;
+
+  AlbumPagePresenter(this._view);
+
+  doLoadUploadedImages() {
+    var sql = Sql.setTable(TABLE_NAME_UPLOADED);
+
+  }
+
+  doUploadImage(File imgFile) {
+    
+  }
+
+}