Not working with android ;(

.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"file_picker","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\file_picker-1.4.1\\\\","dependencies":[]},{"name":"shared_preferences","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences-0.5.12+2\\\\","dependencies":[]}],"android":[{"name":"file_picker","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\file_picker-1.4.1\\\\","dependencies":[]},{"name":"shared_preferences","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences-0.5.12+2\\\\","dependencies":[]}],"macos":[{"name":"shared_preferences_macos","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_macos-0.0.1+10\\\\","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\path_provider_linux-0.0.1+2\\\\","dependencies":[]},{"name":"shared_preferences_linux","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_linux-0.0.2+2\\\\","dependencies":["path_provider_linux"]}],"windows":[{"name":"path_provider_windows","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\path_provider_windows-0.0.4+1\\\\","dependencies":[]},{"name":"shared_preferences_windows","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_windows-0.0.1+1\\\\","dependencies":["path_provider_windows"]}],"web":[{"name":"shared_preferences_web","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_web-0.1.2+7\\\\","dependencies":[]}]},"dependencyGraph":[{"name":"file_picker","dependencies":[]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_windows","dependencies":[]},{"name":"shared_preferences","dependencies":["shared_preferences_linux","shared_preferences_macos","shared_preferences_web","shared_preferences_windows"]},{"name":"shared_preferences_linux","dependencies":["path_provider_linux"]},{"name":"shared_preferences_macos","dependencies":[]},{"name":"shared_preferences_web","dependencies":[]},{"name":"shared_preferences_windows","dependencies":["path_provider_windows"]}],"date_created":"2020-10-30 17:46:49.739321","version":"1.24.0-3.0.pre"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"file_picker","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\file_picker-2.0.11\\\\","dependencies":[]},{"name":"shared_preferences","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences-0.5.12+2\\\\","dependencies":[]}],"android":[{"name":"file_picker","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\file_picker-2.0.11\\\\","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"flutter_plugin_android_lifecycle","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\flutter_plugin_android_lifecycle-1.0.11\\\\","dependencies":[]},{"name":"shared_preferences","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences-0.5.12+2\\\\","dependencies":[]}],"macos":[{"name":"shared_preferences_macos","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_macos-0.0.1+10\\\\","dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\path_provider_linux-0.0.1+2\\\\","dependencies":[]},{"name":"shared_preferences_linux","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_linux-0.0.2+2\\\\","dependencies":["path_provider_linux"]}],"windows":[{"name":"path_provider_windows","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\path_provider_windows-0.0.4+1\\\\","dependencies":[]},{"name":"shared_preferences_windows","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_windows-0.0.1+1\\\\","dependencies":["path_provider_windows"]}],"web":[{"name":"file_picker","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\file_picker-2.0.11\\\\","dependencies":[]},{"name":"shared_preferences_web","path":"C:\\\\tools\\\\flutter\\\\.pub-cache\\\\hosted\\\\pub.dartlang.org\\\\shared_preferences_web-0.1.2+7\\\\","dependencies":[]}]},"dependencyGraph":[{"name":"file_picker","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"flutter_plugin_android_lifecycle","dependencies":[]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_windows","dependencies":[]},{"name":"shared_preferences","dependencies":["shared_preferences_linux","shared_preferences_macos","shared_preferences_web","shared_preferences_windows"]},{"name":"shared_preferences_linux","dependencies":["path_provider_linux"]},{"name":"shared_preferences_macos","dependencies":[]},{"name":"shared_preferences_web","dependencies":[]},{"name":"shared_preferences_windows","dependencies":["path_provider_windows"]}],"date_created":"2020-10-30 19:09:14.861102","version":"1.24.0-3.0.pre"}

android/app/build.gradle

@@ -24,14 +24,9 @@ if (flutterVersionName == null) {
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-/*def keystoreProperties = new Properties()
-def keystorePropertiesFile = rootProject.file('key.properties')
-if (keystorePropertiesFile.exists()) {
-    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
-}*/
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 29
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -42,25 +37,19 @@ android {
     }
 
     defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "uk.co.ariesfamily.flashcards"
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 29
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
 
-    /*signingConfigs {
-        release {
-            keyAlias keystoreProperties['keyAlias']
-            keyPassword keystoreProperties['keyPassword']
-            storeFile file(keystoreProperties['storeFile'])
-            storePassword keystoreProperties['storePassword']
-        }
-    }*/
     buildTypes {
         release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
             signingConfig signingConfigs.debug
-            //signingConfig signingConfigs.release
         }
     }
 }
@@ -71,7 +60,4 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 }

android/app/src/main/AndroidManifest.xml

@@ -1,36 +1,41 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="uk.co.ariesfamily.flashcards">
-
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
-    <application
-        android:label="Flashcards"
+   <application
+        android:label="flashcards"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
-            <!-- This keeps the window background of the activity showing
-                 until Flutter renders its first frame. It can be removed if
-                 there is no splash screen (such as the default splash screen
-                 defined in @style/LaunchTheme). -->
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
             <meta-data
-                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
-                android:value="true" />
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <!-- Displays an Android View that continues showing the launch screen
+                 Drawable until Flutter paints its first frame, then this splash
+                 screen fades out. A splash screen is useful to avoid any visual
+                 gap between the end of Android's launch screen and the painting of
+                 Flutter's first frame. -->
             <meta-data
-                android:name="flutterEmbedding"
-                android:value="2" />
+              android:name="io.flutter.embedding.android.SplashScreenDrawable"
+              android:resource="@drawable/launch_background"
+              />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
     </application>
 </manifest>

android/app/src/main/kotlin/uk/co/ariesfamily/flashcards/MainActivity.kt

@@ -3,5 +3,4 @@ package uk.co.ariesfamily.flashcards
 import io.flutter.embedding.android.FlutterActivity
 
 class MainActivity: FlutterActivity() {
-
 }

android/app/src/main/res/values/styles.xml

@@ -1,8 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
 </resources>

android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.3.72'
+    ext.kotlin_version = '1.3.50'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:3.5.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

android/gradle.properties

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

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Fri Oct 30 17:54:53 GMT 2020
+#Fri Jun 23 08:50:38 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip

android/settings.gradle

@@ -1,15 +1,11 @@
 include ':app'
 
-def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
 
-def plugins = new Properties()
-def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
-if (pluginsFile.exists()) {
-    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
-}
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
 
-plugins.each { name, path ->
-    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
-    include ":$name"
-    project(":$name").projectDir = pluginDirectory
-}
+def flutterSdkPath = properties.getProperty("flutter.sdk")
+assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"

android/settings_aar.gradle

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

ios/Flutter/flutter_export_environment.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=C:\tools\flutter"
-export "FLUTTER_APPLICATION_PATH=C:\Users\robert\dev\Flashcards-App"
+export "FLUTTER_APPLICATION_PATH=C:\Users\robert\dev\flashcards"
 export "FLUTTER_TARGET=lib\main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build\ios"

lib/UI/UIHome.dart

@@ -58,16 +58,19 @@ class MyHomePageState extends State<MyHomePage> {
 
   void clickImportFlashcards() async {
     try {
-      //user file prompt:
-      File _selectedFile =
-          await FilePicker.getFile(type: FileType.CUSTOM, fileExtension: 'txt');
+      // Will filter and only let you pick files with svg and pdf extension
+      FilePickerResult result = await FilePicker.platform
+          .pickFiles(type: FileType.custom, allowedExtensions: ['txt']);
 
       //error avoid
-      if (_selectedFile == null) {
+      if (result == null) {
         outputErrors(globals.errorImport, globals.errorNoFile);
         return;
       }
 
+      //user file prompt:
+      File _selectedFile = File(result.files.first.path);
+
       //get text from file
 
       String _fileText = await _selectedFile.readAsString();
@@ -134,16 +137,19 @@ class MyHomePageState extends State<MyHomePage> {
 
   void clickOpenFlashcards() async {
     try {
-      //user file prompt:
-      File _selectedFile =
-          await FilePicker.getFile(type: FileType.CUSTOM, fileExtension: 'txt');
+      // Will filter and only let you pick files with svg and pdf extension
+      FilePickerResult result = await FilePicker.platform
+          .pickFiles(type: FileType.custom, allowedExtensions: ['txt']);
 
       //error avoid
-      if (_selectedFile == null) {
+      if (result == null) {
         outputErrors(globals.errorImport, globals.errorNoFile);
         return;
       }
 
+      //user file prompt:
+      File _selectedFile = File(result.files.first.path);
+
       //get text from file
       String _fileText = await _selectedFile.readAsString();
 

lib/generated_plugin_registrant.dart

@@ -5,12 +5,14 @@
 // ignore: unused_import
 import 'dart:ui';
 
+import 'package:file_picker/src/file_picker_web.dart';
 import 'package:shared_preferences_web/shared_preferences_web.dart';
 
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
 
 // ignore: public_member_api_docs
 void registerPlugins(PluginRegistry registry) {
+  FilePickerWeb.registerWith(registry.registrarFor(FilePickerWeb));
   SharedPreferencesPlugin.registerWith(registry.registrarFor(SharedPreferencesPlugin));
   registry.registerMessageHandler();
 }

pubspec.lock

@@ -84,7 +84,7 @@ packages:
       name: file_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.1"
+    version: "2.0.11"
   flip_card:
     dependency: "direct main"
     description:
@@ -104,6 +104,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.5"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.11"
   flutter_test:
     dependency: "direct dev"
     description: flutter

pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # Imported dependencies
   cupertino_icons: ^0.1.2
-  file_picker: ^1.3.6
+  file_picker: ^2.0.11
   shared_preferences: ^0.5.12+2
   flip_card: ^0.4.1
   dynamic_theme: ^1.0.1