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import 'dart:io';
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import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:install_plugin/install_plugin.dart';
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import 'package:one_key/models/version.dart';
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import 'package:one_key/net/dio_util.dart';
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import 'package:one_key/res/colors.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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class UpdateModel{
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int _progress;//下载进度
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Function _setState;
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//检查更新
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Future<Version> checkUpdate(BuildContext context){
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Future.delayed(new Duration(milliseconds: 1000),(){
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if(Random().nextInt(10)>0){
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Version version=Version.fromJson({
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"version":"v1.0.3",
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"file_url":"http://xt03.colorcun.com/uploads/20191105/67e38355c41528b24a97e9ac71a221ea.apk",
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"content":"1.bug修复;\n2.功能更新;"
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});
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showUpdateDialog(context, version);
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}
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});
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}
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//拒绝订单弹框
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showUpdateDialog(BuildContext context,Version version){
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showDialog(context: context,builder: (context){
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return AlertDialog(
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title: Text("版本更新${version.version}"),
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titleTextStyle: TextStyle(color: MyColours.color_353535,fontSize: ScreenUtil().setSp(32)),
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content: Text("${version.content}"),
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contentTextStyle:TextStyle(color: MyColours.color_828282,fontSize: ScreenUtil().setSp(28)),
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actions: <Widget>[
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FlatButton(
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child: Text("取消",style: TextStyle(fontSize: ScreenUtil().setSp(32)),),
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onPressed: (){
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Navigator.of(context).pop();
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},
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),
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FlatButton(
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child: Text("去更新",style: TextStyle(fontSize: ScreenUtil().setSp(32)),),
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onPressed: () async {
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Navigator.of(context).pop();
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if(Platform.isAndroid){
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downloadApk(context,version.file_url);
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}else{
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InstallPlugin.gotoAppStore("itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=1510697490");
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}
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},
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)
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],
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);
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});
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}
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//下载更新版本
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Future<void> downloadApk(BuildContext context,String file_url) async {
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Map<PermissionGroup, PermissionStatus> permissions =
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await PermissionHandler().requestPermissions([PermissionGroup.storage]);
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if(permissions[PermissionGroup.storage] == PermissionStatus.granted){
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final dir=await getExternalStorageDirectory();
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String savePath=dir.path+"/one_key";
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DioUtil().download(file_url, savePath,onProgress: (received,total){
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int progress=((received/total)*100).round();
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_progress=progress;
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_setState((){});
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if(received==total){//下载完成
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InstallPlugin.installApk(savePath,"com.naji.one_key");
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}
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});
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}
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}
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//显示下载进度条
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Function showDownloadProgress(BuildContext context){
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (context) {
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return AlertDialog(
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content: StatefulBuilder(builder: (context, setState) {
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if(_progress==100){
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Navigator.of(context).pop();
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}
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_setState=setState;
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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CircularProgressIndicator(),
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Padding(
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padding: EdgeInsets.only(top: 26),
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child: Text("正在下载...${_progress}%"),
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)
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],
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);
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}));
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});
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return _setState;
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}
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} |
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\ No newline at end of file |
...
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...
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