syncfusion · Mar 25, 2025 · Mar 25, 2025 · Mar 25, 2025
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+.qodo
diff --git a/README.md b/README.md
@@ -137,4 +137,4 @@ Take a look at the following to learn more about Syncfusion<sup>&reg;</sup> Flut
 
 Founded in 2001 and headquartered in Research Triangle Park, N.C., Syncfusion<sup>&reg;</sup> has more than 20,000 customers and more than 1 million users, including large financial institutions, Fortune 500 companies, and global IT consultancies.
 
-Today we provide 1,000+ controls and frameworks for web ([ASP.NET Core](https://www.syncfusion.com/aspnet-core-ui-controls), [ASP.NET MVC](https://www.syncfusion.com/aspnet-mvc-ui-controls), [ASP.NET WebForms](https://www.syncfusion.com/jquery/aspnet-web-forms-ui-controls), [JavaScript](https://www.syncfusion.com/javascript-ui-controls), [Angular](https://www.syncfusion.com/angular-ui-components), [React](https://www.syncfusion.com/react-ui-components), [Vue](https://www.syncfusion.com/vue-ui-components), and [Blazor](https://www.syncfusion.com/blazor-components)), mobile ([Xamarin](https://www.syncfusion.com/xamarin-ui-controls), [Flutter](https://www.syncfusion.com/flutter-widgets), [UWP](https://www.syncfusion.com/uwp-ui-controls), and [JavaScript](https://www.syncfusion.com/javascript-ui-controls)), and desktop development ([WinForms](https://www.syncfusion.com/winforms-ui-controls), [WPF](https://www.syncfusion.com/wpf-ui-controls), and [UWP](https://www.syncfusion.com/uwp-ui-controls) and [WinUI](https://www.syncfusion.com/winui-controls)). We provide ready-to deploy enterprise software for dashboards, reports, data integration, and big data processing. Many customers have saved millions in licensing fees by deploying our software.
+Today we provide 1,000+ controls and frameworks for web ([ASP.NET Core](https://www.syncfusion.com/aspnet-core-ui-controls), [ASP.NET MVC](https://www.syncfusion.com/aspnet-mvc-ui-controls), [ASP.NET WebForms](https://www.syncfusion.com/jquery/aspnet-web-forms-ui-controls), [JavaScript](https://www.syncfusion.com/javascript-ui-controls), [Angular](https://www.syncfusion.com/angular-ui-components), [React](https://www.syncfusion.com/react-ui-components), [Vue](https://www.syncfusion.com/vue-ui-components), and [Blazor](https://www.syncfusion.com/blazor-components), mobile ([Xamarin](https://www.syncfusion.com/xamarin-ui-controls), [Flutter](https://www.syncfusion.com/flutter-widgets), [UWP](https://www.syncfusion.com/uwp-ui-controls), and [JavaScript](https://www.syncfusion.com/javascript-ui-controls)), and desktop development ([WinForms](https://www.syncfusion.com/winforms-ui-controls), [WPF](https://www.syncfusion.com/wpf-ui-controls), and [UWP](https://www.syncfusion.com/uwp-ui-controls) and [WinUI](https://www.syncfusion.com/winui-controls)). We provide ready-to deploy enterprise software for dashboards, reports, data integration, and big data processing. Many customers have saved millions in licensing fees by deploying our software.
diff --git a/android/.gitignore b/android/.gitignore
@@ -0,0 +1,13 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/to/reference-keystore
+key.properties
+**/*.keystore
+**/*.jks
diff --git a/android/app/build.gradle b/android/app/build.gradle
@@ -1,65 +1,44 @@
-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
-if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader('UTF-8') { reader ->
-        localProperties.load(reader)
-    }
-}
-
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id "dev.flutter.flutter-gradle-plugin"
 }
 
-def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
-if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
-}
-
-def flutterVersionName = localProperties.getProperty('flutter.versionName')
-if (flutterVersionName == null) {
-    flutterVersionName = '1.0'
-}
-
-apply plugin: 'com.android.application'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 android {
-    if (project.android.hasProperty("namespace")) {
-        namespace "com.syncfusion.flutter_examples"
+    namespace = "com.syncfusion.flutter_examples"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
-    compileSdkVersion flutter.compileSdkVersion
 
-    lintOptions {
-        disable 'InvalidPackage'
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_1_8
     }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.syncfusion.flutter_examples"
-        minSdkVersion 19
-        targetSdkVersion flutter.targetSdkVersion
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        applicationId = "com.syncfusion.flutter_examples"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://flutter.dev/to/review-gradle-config.
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
     }
 
     buildTypes {
         release {
-            shrinkResources false
             // 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.debug
         }
     }
 }
 
 flutter {
-    source '../..'
-}
-
-dependencies {
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    source = "../.."
 }
diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
-    <!-- Flutter needs it to communicate with the running application
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>

diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
@@ -1,45 +1,52 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
-    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"></uses-permission>
-    <!-- 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="Syncfusion Flutter UI Widgets"
+        android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
-        <meta-data
-            android:name="flutterEmbedding"
-            android:value="2" />
-        <provider
-            android:name="androidx.core.content.FileProvider"
-            android:authorities="${applicationId}.fileProvider"            
-            android:grantUriPermissions="true">
-            <meta-data
-                android:name="android.support.FILE_PROVIDER_PATHS"
-                android:resource="@xml/provider_path"/>
-        </provider>
         <activity
             android:name=".MainActivity"
             android:exported="true"
             android:launchMode="singleTop"
+            android:taskAffinity=""
             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.app.android.SplashScreenUntilFirstFrame"
+              android:value="true" />
             <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" />
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileProvider"            
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_path"/>
+        </provider>
     </application>
+    <!-- Required to query activities that can process text, see:
+         https://developer.android.com/training/package-visibility and
+         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
+
+         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.PROCESS_TEXT"/>
+            <data android:mimeType="text/plain"/>
+        </intent>
+    </queries>
 </manifest>
diff --git a/android/app/src/main/kotlin/com/example/flutter_examples/MainActivity.kt b/android/app/src/main/kotlin/com/example/flutter_examples/MainActivity.kt
@@ -0,0 +1,79 @@
+package com.syncfusion.flutter_examples
+
+import android.Manifest
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
+import android.os.Bundle
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.core.content.FileProvider
+import androidx.core.content.PermissionChecker
+import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
+import java.io.File
+
+class MainActivity : FlutterActivity() {
+    private val CHANNEL = "launchFile"
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler { call, result ->
+            when (call.method) {
+                "viewPdf", "viewExcel" -> {
+                    val path: String? = call.argument("file_path")
+                    if (path != null) {
+                        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU && !checkPermission(Manifest.permission.READ_EXTERNAL_STORAGE)) {
+                            requestPermission(arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE))
+                        } else {
+                            launchFile(path)
+                        }
+                    } else {
+                        result.error("INVALID_PATH", "File path is null", null)
+                    }
+                }
+                else -> result.notImplemented()
+            }
+        }
+    }
+
+    private fun requestPermission(permissions: Array<String>) {
+        ActivityCompat.requestPermissions(this, permissions, 1)
+    }
+
+    private fun checkPermission(permission: String): Boolean {
+        return if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+            true
+        } else {
+            ContextCompat.checkSelfPermission(this, permission) == PermissionChecker.PERMISSION_GRANTED
+        }
+    }
+
+    private fun launchFile(filePath: String) {
+        val file = File(filePath)
+        if (file.exists()) {
+            val intent = Intent(Intent.ACTION_VIEW)
+            intent.flags = Intent.FLAG_ACTIVITY_SINGLE_TOP
+            intent.addCategory(Intent.CATEGORY_DEFAULT)
+            val uri: Uri = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                val packageName = this.packageName
+                FileProvider.getUriForFile(this, "$packageName.fileProvider", file)
+            } else {
+                Uri.fromFile(file)
+            }
+
+            intent.setDataAndType(
+                uri,
+                if (filePath.contains(".pdf")) "application/pdf" else "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+            )
+
+            try {
+                startActivity(intent)
+            } catch (e: Exception) {
+                // Could not launch the file.
+            }
+        }
+    }
+}
diff --git a/android/app/src/main/res/drawable-v21/launch_background.xml b/android/app/src/main/res/drawable-v21/launch_background.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>
diff --git a/android/app/src/main/res/drawable/launch_background.xml b/android/app/src/main/res/drawable/launch_background.xml
@@ -4,8 +4,9 @@
     <item android:drawable="@android:color/white" />
 
     <!-- You can insert your own image assets here -->
-    <item>
+    <!-- <item>
         <bitmap
+            android:gravity="center"
             android:src="@mipmap/launch_image" />
-    </item>
+    </item> -->
 </layer-list>
diff --git a/android/app/src/main/res/values-night/styles.xml b/android/app/src/main/res/values-night/styles.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine 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.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
diff --git a/android/app/src/main/res/values/styles.xml b/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 -->
+             the Flutter engine 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>
diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
-    <!-- Flutter needs it to communicate with the running application
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
     <uses-permission android:name="android.permission.INTERNET"/>

diff --git a/android/build.gradle b/android/build.gradle
@@ -1,29 +1,18 @@
-buildscript {
-    repositories {
-        google()
-        jcenter()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:7.4.2'
-    }
-}
-
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
-rootProject.buildDir = '../build'
+rootProject.buildDir = "../build"
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
 subprojects {
-    project.evaluationDependsOn(':app')
+    project.evaluationDependsOn(":app")
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -137,4 +137,4 @@ Take a look at the following to learn more about Syncfusion<sup>®</sup> Flut

		Founded in 2001 and headquartered in Research Triangle Park, N.C., Syncfusion<sup>®</sup> has more than 20,000 customers and more than 1 million users, including large financial institutions, Fortune 500 companies, and global IT consultancies.

		Today we provide 1,000+ controls and frameworks for web ([ASP.NET Core](https://www.syncfusion.com/aspnet-core-ui-controls), [ASP.NET MVC](https://www.syncfusion.com/aspnet-mvc-ui-controls), [ASP.NET WebForms](https://www.syncfusion.com/jquery/aspnet-web-forms-ui-controls), [JavaScript](https://www.syncfusion.com/javascript-ui-controls), [Angular](https://www.syncfusion.com/angular-ui-components), [React](https://www.syncfusion.com/react-ui-components), [Vue](https://www.syncfusion.com/vue-ui-components), and [Blazor](https://www.syncfusion.com/blazor-components)), mobile ([Xamarin](https://www.syncfusion.com/xamarin-ui-controls), [Flutter](https://www.syncfusion.com/flutter-widgets), [UWP](https://www.syncfusion.com/uwp-ui-controls), and [JavaScript](https://www.syncfusion.com/javascript-ui-controls)), and desktop development ([WinForms](https://www.syncfusion.com/winforms-ui-controls), [WPF](https://www.syncfusion.com/wpf-ui-controls), and [UWP](https://www.syncfusion.com/uwp-ui-controls) and [WinUI](https://www.syncfusion.com/winui-controls)). We provide ready-to deploy enterprise software for dashboards, reports, data integration, and big data processing. Many customers have saved millions in licensing fees by deploying our software.
		Today we provide 1,000+ controls and frameworks for web ([ASP.NET Core](https://www.syncfusion.com/aspnet-core-ui-controls), [ASP.NET MVC](https://www.syncfusion.com/aspnet-mvc-ui-controls), [ASP.NET WebForms](https://www.syncfusion.com/jquery/aspnet-web-forms-ui-controls), [JavaScript](https://www.syncfusion.com/javascript-ui-controls), [Angular](https://www.syncfusion.com/angular-ui-components), [React](https://www.syncfusion.com/react-ui-components), [Vue](https://www.syncfusion.com/vue-ui-components), and [Blazor](https://www.syncfusion.com/blazor-components), mobile ([Xamarin](https://www.syncfusion.com/xamarin-ui-controls), [Flutter](https://www.syncfusion.com/flutter-widgets), [UWP](https://www.syncfusion.com/uwp-ui-controls), and [JavaScript](https://www.syncfusion.com/javascript-ui-controls)), and desktop development ([WinForms](https://www.syncfusion.com/winforms-ui-controls), [WPF](https://www.syncfusion.com/wpf-ui-controls), and [UWP](https://www.syncfusion.com/uwp-ui-controls) and [WinUI](https://www.syncfusion.com/winui-controls)). We provide ready-to deploy enterprise software for dashboards, reports, data integration, and big data processing. Many customers have saved millions in licensing fees by deploying our software.