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‎.gitignore‎

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# Miscellaneous
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*.class
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*.log
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*.pyc
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*.swp
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.DS_Store
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.atom/
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.buildlog/
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.history
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.svn/
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migrate_working_dir/
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# IntelliJ related
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*.iml
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*.ipr
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*.iws
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.idea/
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# The .vscode folder contains launch configuration and tasks you configure in
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# VS Code which you may wish to be included in version control, so this line
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# is commented out by default.
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#.vscode/
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# Flutter/Dart/Pub related
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**/doc/api/
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**/ios/Flutter/.last_build_id
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.dart_tool/
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.flutter-plugins
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.flutter-plugins-dependencies
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.packages
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.pub-cache/
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.pub/
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/build/
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# Symbolication related
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app.*.symbols
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# Obfuscation related
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app.*.map.json
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# Android Studio will place build artifacts here
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/android/app/debug
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/android/app/profile
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/android/app/release

‎README.md‎

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# how-to-apply-a-specific-format-to-the-DateTime-value-during-Excel-export-in-Flutter-DataTable
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How to apply a specific format to the DateTime value during Excel export in Flutter DataTable (SfDataGrid)?
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# How to apply a specific format to the DateTime value during Excel export in Flutter DataTable (SfDataGrid)
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This article describes how to add DateTime value format to an Excel spreadsheet when exporting a [Flutter DataGrid](https://www.syncfusion.com/flutter-widgets/flutter-datagrid)
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Initialize the [SfDataGrid](https://pub.dev/documentation/syncfusion_flutter_datagrid/latest/datagrid/SfDataGrid-class.html) widget with all the necessary properties. In the cellExport callback, check if the column name is "DOJ" and the cell type is DataGridExportCellType.row. If the conditions are met, set the desired format for the number using the excelRange.numberFormat property and assign the DateTime value to the cell using the excelRange.value property.
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```dart
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final GlobalKey<SfDataGridState> _key = GlobalKey<SfDataGridState>();
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Future<void> exportDataGridToExcel() async {
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final Workbook workbook = Workbook();
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final Worksheet worksheet = workbook.worksheets[0];
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_key.currentState!.exportToExcelWorksheet(
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worksheet,
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cellExport: (details) {
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if (details.columnName == 'DOJ' &&
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details.cellType == DataGridExportCellType.row) {
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details.excelRange.numberFormat = 'y-mm-d';
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details.excelRange.value = details.cellValue;
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}
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},
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);
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final List<int> bytes = workbook.saveAsStream();
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await helper.saveAndLaunchFile(bytes, 'DataGrid.xlsx');
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workbook.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('SfDataGrid Demo'),
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),
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body: Column(children: [
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Container(
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margin: const EdgeInsets.all(20),
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child: ElevatedButton(
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onPressed: exportDataGridToExcel,
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child: const Text('Export DataGrid to Excel'))),
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Expanded(
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child: SfDataGrid(
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source: _employeeDataSource, key: _key, columns: getColumns),
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),
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]),
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);
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}
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```

‎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 from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
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android {
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namespace "com.example.flutter_application"
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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.flutter_application"
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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-gradle-build-configuration.
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minSdkVersion flutter.minSdkVersion
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targetSdkVersion flutter.targetSdkVersion
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versionCode flutterVersionCode.toInteger()
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versionName flutterVersionName
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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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}

‎android/app/src/debug/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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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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<application
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android:label="flutter_application"
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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/flutter_application/MainActivity.kt‎

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package com.example.flutter_application
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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>

‎android/app/src/main/res/mipmap-hdpi/ic_launcher.png‎

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