circle_app/circle_app/lib/app/swiper/view.dart
2024-03-28 18:05:55 +08:00

404 lines
15 KiB
Dart

import 'package:cached_network_image/cached_network_image.dart';
import 'package:circle_app/common/colors/app_color.dart';
import 'package:circle_app/util/util.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/services.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:flutter_swiper/flutter_swiper.dart';
import 'package:get/get.dart';
import 'package:get/get_core/src/get_main.dart';
import 'package:get/get_state_manager/src/simple/get_state.dart';
import 'package:image_gallery_saver/image_gallery_saver.dart';
import 'package:qr_flutter/qr_flutter.dart';
import '../../router/app_routers.dart';
import '../home/logic.dart';
import 'logic.dart';
import 'dart:ui' as ui;
class SwiperPage extends StatefulWidget {
const SwiperPage({Key? key}) : super(key: key);
@override
State<SwiperPage> createState() => _SwiperPageState();
}
class _SwiperPageState extends State<SwiperPage> {
GlobalKey _globalKey = GlobalKey();
var homeLogic = Get.find<HomeLogic>();
@override
Widget build(BuildContext context) {
return GetBuilder<SwiperLogic>(builder: (logic) {
List<Widget> imgList = [];
logic.imgList.forEach((element) {
imgList.add(CachedNetworkImage(
imageUrl: element,
fit: BoxFit.cover,
height: Get.height,
width: Get.width,
));
});
return Stack(
children: [
Stack(
children: [
RepaintBoundary(
key: _globalKey, child: itemWidget(logic, logic.index, true)),
Container(
width: Get.width,
height: Get.height,
color: Colors.black,
),
],
),
Scaffold(
appBar: null,
backgroundColor: Colors.black87,
body: GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: (() {
//点击任意地方都能关闭页面,并且不影响你的滑动查看
Navigator.pop(context);
}),
child: Stack(
children: [
Container(
child: Swiper(
controller: logic.swiperController,
index: logic.index,
loop: false,
itemBuilder: (BuildContext context, int index) {
// if (logic.index == index) {
// return RepaintBoundary(
// key: _globalKey,
// child:itemWidget(logic,index));
// }
return itemWidget(logic,index,false);
},
onIndexChanged: (int index) {
logic.index = index;
logic.update();
},
itemCount: logic.imgList.length,
pagination: const SwiperPagination(
builder: DotSwiperPaginationBuilder(
activeColor: Color(0xFFD14CFF),
color: Colors.white)), //下面的分页小点
)),
Positioned(
bottom: Get.bottomBarHeight,
right: 15.sp,
child: InkWell(
onTap: () {
_saveLocalImage();
},
child: Container(
alignment: Alignment.center,
padding: EdgeInsets.all(5.sp),
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.5),
borderRadius: BorderRadius.circular(17.5.sp)),
child: Icon(
Icons.download,
color: Colors.white,
size: 25.sp,
),
),
)),
if (logic.userId.isNotEmpty)
Positioned(
right: 16.sp,
top: 16.sp,
child: SafeArea(
child: GestureDetector(
onTap: () {
Get.toNamed(AppRoutes.UserInfoActivity,
arguments: logic.userId);
Get.delete<SwiperLogic>();
},
child: Container(
width: 73.sp,
height: 25.sp,
decoration: BoxDecoration(
gradient:
AppColor.mainVerLinearGradient,
borderRadius:
BorderRadius.circular(12.5.sp)),
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
margin: EdgeInsets.only(left: 5.sp),
child: Text(
'查看主页',
style: TextStyle(
color: Colors.white,
fontSize: 10.sp,
),
),
),
Image(
width: 15.sp,
image: AssetImage(
getDisCoverImage("right_icon")),
// width: 44.sp,
),
],
),
),
),
)),
Positioned(
left: 5.sp,
top: 10.sp + MediaQuery.of(context).padding.top,
child: IconButton(
onPressed: () {
Get.back();
},
padding: EdgeInsets.only(left: 15.sp),
icon: Image.asset('assets/images/navigator/back.png',
width: 30.sp,
height: 30.sp,
),
)),
],
),
),
),
],
);
});
}
itemWidget(SwiperLogic logic,int index,bool isShow) {
String link = homeLogic.link + '#code=' + homeLogic.inviteCode;
return Stack(
children: [
Container(
color: Colors.black,
width: double.infinity,
height: Get.height,
alignment: Alignment.center,
child: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Stack(
alignment: Alignment.center,
children: [
Container(
child: CachedNetworkImage(
imageUrl: logic.imgList[index],
fit: BoxFit.contain,
),
),
Positioned(
right: 10.sp,
bottom: 20.sp,
child: Container(
margin: EdgeInsets.only(top: Get.height * 0.45),
child: Text(
'微乐园APP',
style:
TextStyle(color: Colors.white, fontSize: 25.sp),
),
))
],
),
],
))),
if (isShow)
Positioned(
bottom: 0,
child: SafeArea(
child: Container(
width: Get.width,
color: Colors.black,
height: 60.sp,
child: Row(
children: [
Image.asset(
getBaseImage("ic_launcher"),
width: 50.sp,
height: 50.sp,
),
SizedBox(
width: 10.sp,
),
// Expanded(
// child:
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
margin: EdgeInsets.only(top: 5.sp, bottom: 5.sp),
width: Get.width - 150.sp,
child: Text('微乐园APP-认识更多小众圈子的人',
style: TextStyle(
color: Colors.white, fontSize: 14.sp))),
Container(
alignment: Alignment.center,
padding: EdgeInsets.only(left: 10.sp, right: 10.sp),
height: 25.sp,
decoration: BoxDecoration(
// color: Color(0xFFDC5BFD),
gradient: AppColor.mainVerLinearGradient,
borderRadius: BorderRadius.circular(12.5.sp)),
child: Text(
'专属邀请码:${homeLogic.inviteCode}',
style:
TextStyle(color: Colors.white, fontSize: 12.sp),
),
),
],
),
// ),
Expanded(child: Container()),
// SizedBox(width: 10.sp,),
Stack(
alignment: Alignment.center,
children: [
Container(
color: Colors.white,
width: 50.sp,
height: 50.sp,
),
QrImageView(
data: link,
padding: EdgeInsets.zero,
version: QrVersions.auto,
size: 45.sp,
gapless: false,
// backgroundColor: Colors.black,
)
],
),
SizedBox(
width: 10.sp,
),
],
),
),
)),
],
);
// return Container(
// width: Get.width,
// child: Column(
// mainAxisAlignment: MainAxisAlignment.center,
// children: [
// Stack(
// alignment: Alignment.center,
// children: [
//
// Container(
// // color: Colors.red,
//
// child: CachedNetworkImage(
// // progressIndicatorBuilder: (context,str,progress) {
// // return Container();
// // },
// placeholder: (context,str) {
// print(str + '进度');
// if (Get.arguments['index'] == index) {
// return Container(
// // color: Colors.red,
// child: CachedNetworkImage(
// imageUrl: logic.imgList[index].toString(),
//
// fit: BoxFit.cover,
// width: Get.width,
// ),
// );
// } else {
// return Container();
// }
// },
// imageUrl: logic.imgList[index].toString().contains('?') ? logic.imgList[index].toString().split('?').first : logic.imgList[index].toString(),
// fit: BoxFit.cover,
// width: Get.width,
// ),
// ),
// Positioned(
// left: 10.sp,
// bottom: 20.sp,
// child: Container(
// margin:
// EdgeInsets.only(top: Get.height * 0.45),
// child: Text(
// '微乐园APP',
// style: TextStyle(
// color: Colors.white, fontSize: 25.sp),
// ),
// ))
// ],
// )
// ],
// ));
}
_saveLocalImage() async {
RenderRepaintBoundary boundary =
_globalKey.currentContext!.findRenderObject() as RenderRepaintBoundary;
ui.Image image =
await boundary.toImage(pixelRatio: ui.window.devicePixelRatio);
ByteData? byteData =
await (image.toByteData(format: ui.ImageByteFormat.png));
if (byteData != null) {
SmartDialog.showLoading(msg: '正在保存...');
final result =
await ImageGallerySaver.saveImage(byteData.buffer.asUint8List());
print(result);
SmartDialog.dismiss();
// isSuccess
if (result['isSuccess']) {
showOKToast('保存成功');
} else {
showOKToast('保存失败,请检查相册权限是否开启');
}
}
}
// Widget build(BuildContext context) {
// return GetBuilder<SwiperLogic>(builder: (logic) {
//
// return Scaffold(
// appBar: null,
// backgroundColor: Colors.black87,
// body: GestureDetector(
// behavior: HitTestBehavior.translucent,
// onTap: (() {
// //点击任意地方都能关闭页面,并且不影响你的滑动查看
// Navigator.pop(context);
// }),
// child: Swiper(
// controller: logic.swiperController,
// index:logic.index,
// itemBuilder: (BuildContext context, int index) {
// print("img="+logic.imgList[index]);
// // return SizedBox(
// // width: double.infinity,
// // child: Image.network(
// // "${logic.imgList[index]}?imageView2/0/q/60|watermark/2/text/5b6u5LmQ5ZutQVBQ/font/5b6u6L2v6ZuF6buR/fontsize/2160/fill/I0ZGRkZGRg==/dissolve/50/gravity/SouthEast/dx/60/dy/120", fit: BoxFit.contain,)
// // );
// },
// itemCount: logic.imgList.length,
// pagination: SwiperPagination(), //下面的分页小点
// // control: new SwiperControl(), //左右的那个箭头,在某模拟器中会出现蓝线
// ),
// ),
// );
// });
// }
}