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Lavanya A
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Added sample for rendering the chart from firebase multiple documents.
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‎README.md‎

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# render-flutter-charts-using-multiple-documents-in-firestore
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# How to visualizing data from multiple documents in Firestore using Flutter SfCartesianChart
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This repository contains a sample to load data from Firestore and bind to [Syncfusion Flutter Chart](https://help.syncfusion.com/flutter/cartesian-charts/getting-started) widget.
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Please refer the KB through this [link](https://www.syncfusion.com/kb/13022/how-to-render-the-flutter-chart-using-the-data-in-firestore-sfcartesianchart).
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## Syncfusion controls:
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This project used the following Syncfusion widget(s):
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* [SfCartesianChart](https://www.syncfusion.com/flutter-widgets/flutter-charts)
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## Supported platforms
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Refer to the following link to know about the supported platform - [Platforms](https://help.syncfusion.com/flutter/system-requirements#supported-platforms)
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## Requirements to run the sample
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Refer to the following link to know about system requirements - [System Requirements](https://help.syncfusion.com/flutter/system-requirements)
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## How to run the sample
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1. Clone the sample and open it in preferred IDE.
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*Note: If you download the sample using the "Download ZIP" option, right-click it, select Properties, and then select Unblock.*
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2. Run the application.
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## License
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Syncfusion has no liability for any damage or consequence that may arise by using or viewing the samples. The samples are for demonstrative purposes, and if you choose to use or access the samples, you agree to not hold Syncfusion liable, in any form, for any damage that is related to use, for accessing, or viewing the samples. By accessing, viewing, or seeing the samples, you acknowledge and agree Syncfusion’s samples will not allow you seek injunctive relief in any form for any claim related to the sample. If you do not agree to this, do not view, access, utilize, or otherwise do anything with Syncfusion’s samples.
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‎analysis_options.yaml‎

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# This file configures the analyzer, which statically analyzes Dart code to
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# check for errors, warnings, and lints.
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#
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# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
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# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
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# invoked from the command line by running `flutter analyze`.
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# The following line activates a set of recommended lints for Flutter apps,
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# packages, and plugins designed to encourage good coding practices.
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include: package:flutter_lints/flutter.yaml
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linter:
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# The lint rules applied to this project can be customized in the
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# section below to disable rules from the `package:flutter_lints/flutter.yaml`
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# included above or to enable additional rules. A list of all available lints
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# and their documentation is published at
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# https://dart-lang.github.io/linter/lints/index.html.
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#
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# Instead of disabling a lint rule for the entire project in the
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# section below, it can also be suppressed for a single line of code
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# or a specific dart file by using the `// ignore: name_of_lint` and
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# `// ignore_for_file: name_of_lint` syntax on the line or in the file
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# producing the lint.
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rules:
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# avoid_print: false # Uncomment to disable the `avoid_print` rule
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# prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule
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# Additional information about this file can be found at
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# https://dart.dev/guides/language/analysis-options

‎android/.gitignore‎

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gradle-wrapper.jar
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/.gradle
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/captures/
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/gradlew
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/gradlew.bat
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/local.properties
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GeneratedPluginRegistrant.java
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# Remember to never publicly share your keystore.
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# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
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key.properties
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**/*.keystore
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**/*.jks

‎android/app/build.gradle‎

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def localProperties = new Properties()
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def localPropertiesFile = rootProject.file('local.properties')
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if (localPropertiesFile.exists()) {
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localPropertiesFile.withReader('UTF-8') { reader ->
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localProperties.load(reader)
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}
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}
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def flutterRoot = localProperties.getProperty('flutter.sdk')
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if (flutterRoot == null) {
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throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
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}
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def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
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if (flutterVersionCode == null) {
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flutterVersionCode = '1'
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}
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def flutterVersionName = localProperties.getProperty('flutter.versionName')
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if (flutterVersionName == null) {
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flutterVersionName = '1.0'
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}
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apply plugin: 'com.android.application'
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apply plugin: 'kotlin-android'
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apply plugin: 'com.google.gms.google-services'
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apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
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android {
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compileSdkVersion flutter.compileSdkVersion
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ndkVersion flutter.ndkVersion
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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sourceSets {
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main.java.srcDirs += 'src/main/kotlin'
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}
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defaultConfig {
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// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
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applicationId "com.example.complex_data_struct"
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// You can update the following values to match your application needs.
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// For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
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minSdkVersion 19
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targetSdkVersion flutter.targetSdkVersion
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versionCode flutterVersionCode.toInteger()
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versionName flutterVersionName
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multiDexEnabled true
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}
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buildTypes {
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release {
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// TODO: Add your own signing config for the release build.
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// Signing with the debug keys for now, so `flutter run --release` works.
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signingConfig signingConfigs.debug
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}
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}
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}
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flutter {
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source '../..'
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}
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dependencies {
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implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
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// implementation platform('com.google.firebase:firebase-bom:31.1.1')
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// implementation 'com.google.firebase:firebase-analytics-ktx'
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}

‎android/app/google-services.json‎

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{
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"project_info": {
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"project_number": "229653917074",
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"firebase_url": "https://complex-data-struct-default-rtdb.firebaseio.com",
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"project_id": "complex-data-struct",
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"storage_bucket": "complex-data-struct.appspot.com"
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},
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"client": [
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{
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"client_info": {
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"mobilesdk_app_id": "1:229653917074:android:7bffba1387827b8937e54b",
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"android_client_info": {
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"package_name": "com.example.complex_data_struct"
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}
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},
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"oauth_client": [
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{
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"client_id": "229653917074-urucb118ju6qfafm7eob27uj67fsua7q.apps.googleusercontent.com",
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"client_type": 3
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}
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],
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"api_key": [
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{
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"current_key": "AIzaSyBbxzyRV_xYZuRE5N9hQJU8aQ47IT4Wfhg"
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}
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],
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"services": {
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"appinvite_service": {
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"other_platform_oauth_client": [
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{
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"client_id": "229653917074-urucb118ju6qfafm7eob27uj67fsua7q.apps.googleusercontent.com",
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"client_type": 3
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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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"configuration_version": "1"
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}

‎android/app/src/debug/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.complex_data_struct">
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<!-- The INTERNET permission is required for development. Specifically,
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the Flutter tool needs it to communicate with the running application
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to allow setting breakpoints, to provide hot reload, etc.
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-->
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<uses-permission android:name="android.permission.INTERNET"/>
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</manifest>

‎android/app/src/main/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.complex_data_struct">
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<uses-permission android:name="android.permission.INTERNET"/>
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<application
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android:label="complex_data_struct"
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android:name="${applicationName}"
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android:icon="@mipmap/ic_launcher">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:launchMode="singleTop"
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android:theme="@style/LaunchTheme"
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android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
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android:hardwareAccelerated="true"
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android:windowSoftInputMode="adjustResize">
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<!-- Specifies an Android theme to apply to this Activity as soon as
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the Android process has started. This theme is visible to the user
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while the Flutter UI initializes. After that, this theme continues
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to determine the Window background behind the Flutter UI. -->
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<meta-data
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android:name="io.flutter.embedding.android.NormalTheme"
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android:resource="@style/NormalTheme"
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/>
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<intent-filter>
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<action android:name="android.intent.action.MAIN"/>
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<category android:name="android.intent.category.LAUNCHER"/>
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</intent-filter>
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</activity>
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<!-- Don't delete the meta-data below.
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This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
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<meta-data
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android:name="flutterEmbedding"
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android:value="2" />
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</application>
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</manifest>

‎android/app/src/main/kotlin/com/example/complex_data_struct/MainActivity.kt‎

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package com.example.complex_data_struct
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import io.flutter.embedding.android.FlutterActivity
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class MainActivity: FlutterActivity() {
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}

‎android/app/src/main/res/drawable-v21/launch_background.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<!-- Modify this file to customize your launch splash screen -->
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<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
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<item android:drawable="?android:colorBackground" />
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<!-- You can insert your own image assets here -->
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<!-- <item>
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<bitmap
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android:gravity="center"
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android:src="@mipmap/launch_image" />
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</item> -->
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</layer-list>

‎android/app/src/main/res/drawable/launch_background.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<!-- Modify this file to customize your launch splash screen -->
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<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
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<item android:drawable="@android:color/white" />
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<!-- You can insert your own image assets here -->
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<!-- <item>
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<bitmap
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android:gravity="center"
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android:src="@mipmap/launch_image" />
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</item> -->
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</layer-list>

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