Integrated download new version feature

unit2/android/app/build.gradle

@@ -51,6 +51,7 @@ android {
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        
     }
 
     buildTypes {

unit2/android/app/src/main/AndroidManifest.xml

@@ -1,10 +1,25 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.unit2">
+     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+     <uses-permission android:name="android.permission.ACCESS_MEDIA_LOCATION"/>
+     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.DELETE_PACKAGES" />
    <application
         android:label="unit2"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
+                       <provider
+android:authorities = "${applicationId}.fileprovider"
+android:exported = "false"
+android:grantUriPermissions = "true"
+android:name = "androidx.core.content.FileProvider">
+    <meta-data
+    android:name = "android.support.FILE_PROVIDER_PATHS"
+    android:resource = "@xml/file_provider_path" />
+</provider >
         <activity
             android:name=".MainActivity"
             android:exported="true"

unit2/android/app/src/main/java/io/flutter/app/FlutterMultiDexApplication.java

@@ -0,0 +1,25 @@
+// Generated file.
+//
+// If you wish to remove Flutter's multidex support, delete this entire file.
+//
+// Modifications to this file should be done in a copy under a different name
+// as this file may be regenerated.
+
+package io.flutter.app;
+
+import android.app.Application;
+import android.content.Context;
+import androidx.annotation.CallSuper;
+import androidx.multidex.MultiDex;
+
+/**
+ * Extension of {@link android.app.Application}, adding multidex support.
+ */
+public class FlutterMultiDexApplication extends Application {
+  @Override
+  @CallSuper
+  protected void attachBaseContext(Context base) {
+    super.attachBaseContext(base);
+    MultiDex.install(this);
+  }
+}

unit2/android/app/src/main/res/xml/file_provider_path.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <root-path name="root" path="."/>
+    
+    <files-path
+    name="files"
+    path="."/>
+    
+    <cache-path
+    name="cache"
+    path="."/>
+    
+    <external-path
+    name="external"
+    path="."/>
+    
+    <external-cache-path
+    name="external_cache"
+    path="."/>
+    
+    <external-files-path
+    name="external_file"
+    path="."/>
+</paths>

unit2/lib/bloc/bloc/user_event.dart

@@ -27,6 +27,7 @@ class GetUuid extends UserEvent {
   GetUuid();
 }
 
+
 class LoadVersion extends UserEvent {}
 
 class UuidLogin extends UserEvent {

unit2/lib/screens/unit2/login/components/showAlert.dart

@@ -0,0 +1,17 @@
+import 'package:cool_alert/cool_alert.dart';
+import 'package:flutter/material.dart';
+
+import '../../../../theme-data.dart/colors.dart';
+
+showAlert(context,Function confirm) {
+  CoolAlert.show(
+      context: context,
+      type: CoolAlertType.error,
+      title: 'Download Failed!',
+      text: 'Make sure you have internet connection. Please try again.',
+      loopAnimation: false,
+      confirmBtnText: "Try again",
+      confirmBtnColor: primary,
+      onConfirmBtnTap: confirm(),
+      backgroundColor: Colors.black);
+}

unit2/lib/screens/unit2/login/components/update_required.dart

@@ -1,98 +1,248 @@
+import 'dart:async';
+import 'dart:io';
 
+import 'package:dio/dio.dart';
+import 'package:easy_app_installer/easy_app_installer.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_progress_hud/flutter_progress_hud.dart';
 import 'package:flutter_svg/svg.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:unit2/bloc/bloc/user_bloc.dart';
+import 'package:unit2/screens/unit2/login/components/showAlert.dart';
 import 'package:unit2/theme-data.dart/btn-style.dart';
 
 import '../../../../theme-data.dart/colors.dart';
+import '../../../../utils/cpu_architecture.dart';
+import '../../../../utils/text_container.dart';
+import '../../../../widgets/wave.dart';
 
 class Update extends StatefulWidget {
   final String apkVersion;
   final String currenVersion;
-  const Update({super.key,required this.apkVersion,required this.currenVersion});
+  const Update(
+      {super.key, required this.apkVersion, required this.currenVersion});
 
   @override
   State<Update> createState() => _UpdateState();
 }
 
 class _UpdateState extends State<Update> {
+  String progressRating = '0';
+  bool downloading = false;
+  bool isDownloaded = false;
+  bool asyncCall = false;
+  Dio dio = Dio();
   @override
   Widget build(BuildContext context) {
     return SafeArea(
-      child: SingleChildScrollView(
+      child: Stack(children: [
-        child: Container(
+        BlocBuilder<UserBloc, UserState>(
-          padding: const EdgeInsets.symmetric(horizontal: 40, vertical: 25),
+          builder: (context, state) {
-          height: MediaQuery.of(context).size.height,
+            if (state is VersionLoaded) {
-          alignment: Alignment.center,
+              return ProgressHUD(
-          child: Column(
+                child: SingleChildScrollView(
-            crossAxisAlignment: CrossAxisAlignment.center,
+                  child: Container(
-            mainAxisAlignment: MainAxisAlignment.center,
+                    padding: const EdgeInsets.symmetric(
-            children: <Widget>[
+                        horizontal: 40, vertical: 25),
-              Column(
+                    height: MediaQuery.of(context).size.height,
-                crossAxisAlignment: CrossAxisAlignment.center,
+                    alignment: Alignment.center,
-                mainAxisAlignment: MainAxisAlignment.center,
+                    child: Column(
-                children: [
+                      crossAxisAlignment: CrossAxisAlignment.center,
-                  SvgPicture.asset(
+                      mainAxisAlignment: MainAxisAlignment.center,
-                    'assets/svgs/download.svg',
+                      children: <Widget>[
-                    height: 200.0,
+                        Column(
-                    width: 200.0,
+                          crossAxisAlignment: CrossAxisAlignment.center,
-                    allowDrawingOutsideViewBox: true,
+                          mainAxisAlignment: MainAxisAlignment.center,
+                          children: [
+                            SvgPicture.asset(
+                              'assets/svgs/download.svg',
+                              height: 200.0,
+                              width: 200.0,
+                              allowDrawingOutsideViewBox: true,
+                            ),
+                            const SizedBox(
+                              height: 5,
+                            ),
+                            Text("UPDATE REQUIRED!",
+                                textAlign: TextAlign.center,
+                                style: Theme.of(context)
+                                    .textTheme
+                                    .displaySmall!
+                                    .copyWith(color: primary, fontSize: 28)),
+                          ],
+                        ),
+                        const SizedBox(
+                          height: 10,
+                        ),
+                        RichText(
+                            textAlign: TextAlign.justify,
+                            text: TextSpan(
+                                text: 'Your app version ',
+                                style: const TextStyle(
+                                  fontSize: 16,
+                                  color: Colors.black,
+                                ),
+                                children: <TextSpan>[
+                                  TextSpan(
+                                      text: widget.apkVersion,
+                                      style: const TextStyle(
+                                          color: primary,
+                                          fontWeight: FontWeight.bold)),
+                                  const TextSpan(
+                                      text:
+                                          " did not match with the latest version ",
+                                      style: TextStyle(color: Colors.black)),
+                                  TextSpan(
+                                      text: widget.currenVersion.toString(),
+                                      style: const TextStyle(
+                                          color: primary,
+                                          fontWeight: FontWeight.bold)),
+                                  const TextSpan(
+                                      text:
+                                          ". Download the app latest version to procceed using the uniT-App.",
+                                      style: TextStyle(color: Colors.black)),
+                                ])),
+                        const SizedBox(
+                          height: 12.0,
+                        ),
+                        Container(
+                          child: downloading
+                              ? FittedBox(
+                                  child: Text(
+                                    'Downloading application $progressRating%',
+                                    textAlign: TextAlign.center,
+                                    style: Theme.of(context)
+                                        .textTheme
+                                        .headlineSmall!
+                                        .copyWith(fontWeight: FontWeight.bold),
+                                  ),
+                                )
+                              : Container(),
+                        ),
+                        SizedBox(
+                          height: 60,
+                          width: MediaQuery.of(context).size.width,
+                          child: downloading
+                              ? Container()
+                              : ElevatedButton.icon(
+                                  icon: const Icon(Icons.download),
+                                  style: mainBtnStyle(
+                                      primary, Colors.transparent, second),
+                                  onPressed: () async {
+                                    final progress = ProgressHUD.of(context);
+                                    progress?.showWithText(
+                                      'Please wait...',
+                                    );
+                                    setState(() {
+                                      downloading = true;
+                                      progressRating = '0';
+                                    });
+                                    await openFile();
+                                  },
+                                  label: const Text(
+                                      "Download Latest App Version.")),
+                        ),
+                      ],
+                    ),
                   ),
-                  const SizedBox(
+                ),
-                    height: 5,
+              );
-                  ),
+            }
-                  Text("UPDATE REQUIRED!",
+            if (state is UserError) {
-                      textAlign: TextAlign.center,
+              showAlert(context, () {
-                      style: Theme.of(context)
+                setState(() {
-                          .textTheme
+                  downloading = false;
-                          .displaySmall!
+                });
-                          .copyWith(color: primary, fontSize: 28)),
+              });
-                ],
+            }
-              ),
+            return Container();
-              const SizedBox(
+          },
-                height: 10,
-              ),
-              RichText(
-                  textAlign: TextAlign.justify,
-                  text: TextSpan(
-                      text: 'Your app version ',
-                      style: const TextStyle(
-                        fontSize: 16,
-                        color: Colors.black,
-                      ),
-                      children: <TextSpan>[
-                         TextSpan(
-                            text: widget.apkVersion,
-                            style: const TextStyle(
-                                color: primary, fontWeight: FontWeight.bold)),
-                        const TextSpan(
-                            text: " did not match with the latest version ",
-                            style: TextStyle(color: Colors.black)),
-                        TextSpan(
-                            text:
-                                widget.currenVersion,
-                            style: const TextStyle(
-                                color: primary, fontWeight: FontWeight.bold)),
-                        const TextSpan(
-                            text:
-                                ". Download the app latest version to procceed using the uniT-App.",
-                            style: TextStyle(color: Colors.black)),
-                      ])),
-              const SizedBox(
-                height: 12.0,
-              ),
-              SizedBox(
-                height: 60,
-                width: MediaQuery.of(context).size.width,
-                child: ElevatedButton.icon(
-                    icon: const Icon(Icons.download),
-                    style: mainBtnStyle(primary, Colors.transparent, second),
-                    onPressed: () async {},
-                    label: const Text("Download Latest App Version.")),
-              ),
-            ],
-          ),
         ),
-      ),
+        const Positioned(bottom: 0, child: WaveReverse(height: 80))
+      ]),
     );
   }
+
+  Future<void> openFile() async {
+    try {
+      final filePath = await downloadFile();
+      await openAPK(filePath);
+    } catch (e) {
+      print(e.toString());
+    }
+  }
+
+  Future<void> openAPK(String path) async {
+    PermissionStatus result = await Permission.storage.request();
+    if (result.isGranted) {
+      await EasyAppInstaller.instance.installApk(path);
+    }
+  }
+
+  Future<String> downloadFile() async {
+    final progress = ProgressHUD.of(context);
+    final appStorage = await getApplicationDocumentsDirectory();
+    try {
+      String url = await getCPUArchitecture();
+      final response = await dio.download(url, '${appStorage.path}/uniT.apk',
+          deleteOnError: true,
+          options: Options(
+              receiveTimeout: 20000,
+              sendTimeout: 20000,
+              receiveDataWhenStatusError: true,
+              responseType: ResponseType.bytes,
+              followRedirects: false,
+              validateStatus: (status) {
+                return status! < 500;
+              }), onReceiveProgress: (recv, total) {
+        setState(() {
+          progressRating = ((recv / total) * 100).toStringAsFixed(0);
+          downloading = true;
+        });
+        if (progressRating == '100') {
+          final progress = ProgressHUD.of(context);
+          progress!.dismiss();
+          setState(() {
+            downloading = false;
+            isDownloaded = true;
+          });
+        }
+      });
+    } on TimeoutException catch (_) {
+      progress!.dismiss();
+      showAlert(context, () {
+        setState(() {
+          downloading = false;
+        });
+      });
+      throw TimeoutException(timeoutError);
+    } on SocketException catch (_) {
+      progress!.dismiss();
+      showAlert(context, () {
+        setState(() {
+          downloading = false;
+        });
+      });
+      throw const SocketException(timeoutError);
+    } on DioError catch (_) {
+      progress!.dismiss();
+      showAlert(context, () {
+        setState(() {
+          downloading = false;
+        });
+      });
+      throw TimeoutException(timeoutError);
+    } catch (_) {
+      progress!.dismiss();
+      showAlert(context, () {
+        setState(() {
+          downloading = false;
+        });
+      });
+      throw TimeoutException(timeoutError);
+    }
+    return '${appStorage.path}/uniT.apk';
+  }
 }

unit2/lib/utils/cpu_architecture.dart

@@ -0,0 +1,44 @@
+ import 'dart:async';
+import 'dart:io';
+
+import 'package:dio/dio.dart';
+import 'package:unit2/model/login_data/version_info.dart';
+import 'package:system_info2/system_info2.dart';
+Future<String> getCPUArchitecture() async {
+    String downloadURL = "";
+    String cpuArchitecture = SysInfo.kernelArchitecture;
+    VersionInfo? apkVersion;
+      Dio dio = Dio();
+      const String apkUrl = 'https://unitylb1.agusandelnorte.gov.ph/unit2/api/sys/apk_version/latest/';
+    try {
+      Response response = await dio.get(apkUrl,
+          options: Options(
+              receiveTimeout: 20000,
+              receiveDataWhenStatusError: true,
+              responseType: ResponseType.json,
+              followRedirects: false,
+              validateStatus: (status) {
+                return status! < 500;
+              }));
+      if (response.statusCode == 200) {
+        apkVersion = VersionInfo.fromJson(response.data['data']);
+        if (cpuArchitecture.toUpperCase() == 'ARM' ||
+            cpuArchitecture.toUpperCase() == 'MIPS') {
+          downloadURL = apkVersion.armeabiv7aDownloadUrl!;
+        } else if (cpuArchitecture.toUpperCase() == 'I686' ||
+            cpuArchitecture.toUpperCase() == 'UNKNOWN' ||
+            cpuArchitecture.toUpperCase() == 'X86_64') {
+          downloadURL = apkVersion.x8664DownloadUrl!;
+        } else if (cpuArchitecture.toUpperCase() == 'AARCH64') {
+          downloadURL = apkVersion.arm64v8aDownloadUrl!;
+        }
+      }
+    } on TimeoutException catch (_) {
+      throw TimeoutException("Connection timeout");
+    } on SocketException catch (_) {
+      throw const SocketException("Connection timeout");
+    } on DioError catch (_) {
+      throw DioErrorType.connectTimeout;
+    }
+    return downloadURL;
+  }

unit2/lib/utils/request.dart

@@ -19,7 +19,7 @@ class Request {
       Map<String, String>? param}) async {
     Response response;
     try {
-      response = await get(Uri.http(host, path!, param), headers: headers)
+      response = await get(Uri.https(host, path!, param), headers: headers)
           .timeout(Duration(seconds: requestTimeout));
     } on TimeoutException catch (_) {
       Fluttertoast.showToast(
@@ -60,39 +60,39 @@ class Request {
       Map? body,
       Map<String, String>? param}) async {
     Response response;
-    // try {
+    try {
-      response = await post(Uri.http(host, path!, param), headers: headers,body: jsonEncode(body))
+      response = await post(Uri.https(host, path!, param), headers: headers,body: jsonEncode(body))
           .timeout(Duration(seconds: requestTimeout));
-    // } on TimeoutException catch (_) {
+    } on TimeoutException catch (_) {
-    //   Fluttertoast.showToast(
+      Fluttertoast.showToast(
-    //     msg: timeoutError,
+        msg: timeoutError,
-    //     toastLength: Toast.LENGTH_LONG,
+        toastLength: Toast.LENGTH_LONG,
-    //     gravity: ToastGravity.BOTTOM,
+        gravity: ToastGravity.BOTTOM,
-    //     backgroundColor: Colors.black,
+        backgroundColor: Colors.black,
-    //   );
+      );
-    //   throw (timeoutError);
+      throw (timeoutError);
-    // } on SocketException catch (_) {
+    } on SocketException catch (_) {
-    //   Fluttertoast.showToast(
+      Fluttertoast.showToast(
-    //     msg: timeoutError,
+        msg: timeoutError,
-    //     toastLength: Toast.LENGTH_LONG,
+        toastLength: Toast.LENGTH_LONG,
-    //     gravity: ToastGravity.BOTTOM,
+        gravity: ToastGravity.BOTTOM,
-    //     backgroundColor: Colors.black,
+        backgroundColor: Colors.black,
-    //   );
+      );
-    //   throw (timeoutError);
+      throw (timeoutError);
-    // } on FormatException catch (_) {
+    } on FormatException catch (_) {
-    //   throw const FormatException(formatError);
+      throw const FormatException(formatError);
-    // } on HttpException catch (_) {
+    } on HttpException catch (_) {
-    //   throw const HttpException(httpError);
+      throw const HttpException(httpError);
-    // } on Error catch (e) {
+    } on Error catch (e) {
-    //   debugPrint("post request error: $e");
+      debugPrint("post request error: $e");
-    //   Fluttertoast.showToast(
+      Fluttertoast.showToast(
-    //     msg: onError,
+        msg: onError,
-    //     toastLength: Toast.LENGTH_LONG,
+        toastLength: Toast.LENGTH_LONG,
-    //     gravity: ToastGravity.BOTTOM,
+        gravity: ToastGravity.BOTTOM,
-    //     backgroundColor: Colors.black,
+        backgroundColor: Colors.black,
-    //   );
+      );
-    //   throw (e.toString());
+      throw (e.toString());
-    // }
+    }
     return response;
   }
 }

unit2/lib/utils/urls.dart

@@ -3,8 +3,10 @@ class Url{
   static Url get instance => _instance;
 
   String host(){
-  return '192.168.10.219:3000';
+  // return '192.168.10.219:3000';
+  return 'agusandelnorte.gov.ph';
   }
+  
 
   String authentication(){
     return '/api/account/auth/login/';

unit2/pubspec.lock

@@ -120,6 +120,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.0+1"
+  cool_alert:
+    dependency: "direct main"
+    description:
+      name: cool_alert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   crypto:
     dependency: transitive
     description:
@@ -148,6 +155,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  dio:
+    dependency: "direct main"
+    description:
+      name: dio
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.6"
+  easy_app_installer:
+    dependency: "direct main"
+    description:
+      name: easy_app_installer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   equatable:
     dependency: "direct main"
     description:
@@ -190,6 +211,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.1"
+  flare_flutter:
+    dependency: transitive
+    description:
+      name: flare_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -242,6 +270,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.7"
   flutter_progress_hud:
     dependency: "direct main"
     description:
@@ -371,6 +406,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  lottie:
+    dependency: transitive
+    description:
+      name: lottie
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.3"
   matcher:
     dependency: transitive
     description:
@@ -442,7 +484,7 @@ packages:
     source: hosted
     version: "1.0.1"
   path_provider:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
@@ -497,6 +539,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.11.1"
+  permission_handler:
+    dependency: "direct main"
+    description:
+      name: permission_handler
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "10.2.0"
+  permission_handler_android:
+    dependency: transitive
+    description:
+      name: permission_handler_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "10.2.0"
+  permission_handler_apple:
+    dependency: transitive
+    description:
+      name: permission_handler_apple
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "9.0.7"
+  permission_handler_platform_interface:
+    dependency: transitive
+    description:
+      name: permission_handler_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.9.0"
+  permission_handler_windows:
+    dependency: transitive
+    description:
+      name: permission_handler_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
   petitparser:
     dependency: transitive
     description:

unit2/pubspec.yaml

@@ -61,6 +61,11 @@ dependencies:
   flutter_bloc: ^8.0.0
   equatable: ^2.0.5
   package_info_plus: ^3.0.2
+  easy_app_installer: ^1.0.0
+  path_provider: ^2.0.11
+  dio: ^4.0.6
+  cool_alert: ^1.1.0
+  permission_handler: ^10.2.0
 
 dev_dependencies:
   flutter_test:

unit2/windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <permission_handler_windows/permission_handler_windows_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  PermissionHandlerWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
 }

unit2/windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  permission_handler_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST