Updated Flutter, Gradle & migrated to android x

.gitignore

@@ -68,3 +68,6 @@
 !**/ios/**/default.pbxuser
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
+
+.flutter-plugins-dependencies
+

android/app/build.gradle

@@ -46,7 +46,7 @@ android {
         targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
 
@@ -85,6 +85,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 }

android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:3.6.1'
     }
 }
 

android/gradle.properties

@@ -1 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Fri Jun 23 08:50:38 CEST 2017
+#Tue Mar 24 12:27:30 CET 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip

android/settings_aar.gradle

@@ -0,0 +1 @@
+include ':app'

lib/main.dart

@@ -11,6 +11,9 @@ import 'package:flutter/material.dart';
 /// @author Pierre HUBERT
 
 void subMain() async {
+
+  WidgetsFlutterBinding.ensureInitialized();
+
   // Connect to database
   await DatabaseHelper.open();
 

pubspec.lock

@@ -1,13 +1,27 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.11"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.2"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.3.0"
+    version: "2.4.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +35,7 @@ packages:
       name: cached_network_image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "2.0.0"
   charcode:
     dependency: transitive
     description:
@@ -70,7 +84,7 @@ packages:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2"
+    version: "0.1.3"
   dio:
     dependency: "direct main"
     description:
@@ -89,12 +103,24 @@ packages:
       name: flutter_cache_manager
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.3"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.6"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   html:
     dependency: "direct main"
     description:
@@ -108,7 +134,7 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.0+2"
+    version: "0.12.0+4"
   http_parser:
     dependency: transitive
     description:
@@ -116,27 +142,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.3"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.4"
   image_picker:
     dependency: "direct main"
     description:
       name: image_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.1+4"
+    version: "0.6.3+4"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.5"
+    version: "0.12.6"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.7"
+    version: "1.1.8"
   path:
     dependency: transitive
     description:
@@ -150,7 +183,7 @@ packages:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.6.1"
   pedantic:
     dependency: transitive
     description:
@@ -158,13 +191,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0+1"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.0"
   pie_chart:
     dependency: "direct main"
     description:
       name: pie_chart
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "3.1.1"
   platform:
     dependency: transitive
     description:
@@ -172,6 +212,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.1"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   quiver:
     dependency: transitive
     description:
@@ -185,7 +232,28 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.3+4"
+    version: "0.5.6+3"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+6"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2+4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -204,7 +272,14 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.7"
+    version: "1.3.0"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0+1"
   stack_trace:
     dependency: transitive
     description:
@@ -232,7 +307,7 @@ packages:
       name: synchronized
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0+1"
+    version: "2.2.0"
   term_glyph:
     dependency: transitive
     description:
@@ -246,7 +321,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.5"
+    version: "0.2.11"
   typed_data:
     dependency: transitive
     description:
@@ -260,14 +335,35 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.1.4"
+    version: "5.4.2"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+4"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.6"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1+1"
   uuid:
     dependency: transitive
     description:
       name: uuid
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.4"
   vector_math:
     dependency: transitive
     description:
@@ -275,6 +371,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.8"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.5.0"
 sdks:
-  dart: ">=2.5.0 <3.0.0"
+  dart: ">=2.7.0 <3.0.0"
-  flutter: ">=1.9.1 <2.0.0"
+  flutter: ">=1.12.13+hotfix.4 <2.0.0"

pubspec.yaml

@@ -25,28 +25,28 @@ dependencies:
   cupertino_icons: ^0.1.2
 
   # Preferences are useful for a lot of things (ex: login tokens)
-  shared_preferences: ^0.5.2
+  shared_preferences: ^0.5.6+3
 
   # SQLite database is used for caching
-  sqflite: ^1.1.5
+  sqflite: ^1.3.0
 
   # Image picker is used whenever the user wants to send an image
-  image_picker: ^0.6.1+4
+  image_picker: ^0.6.3+4
 
   # The HTTP client is used to make requests on the Comunic API
   dio: ^2.1.2
 
   # This plugins allows to load remote images
-  cached_network_image: ^1.1.1
+  cached_network_image: ^2.0.0
 
   # URL launcher is useful to open URL in the phone browser
-  url_launcher: ^5.0.2
+  url_launcher: ^5.4.2
 
   # Allows to parse HTML special characters
-  html: ^0.14.0+2
+  html: ^0.14.0+3
 
   # Module that display the charts for the surveys
-  pie_chart: ^1.0.0
+  pie_chart: ^3.1.1
 
 dev_dependencies:
   flutter_test: