Flutter: Change Android minSdkVersion

Today you will learn how you can easily change the Android minSdkVersion in Flutter for both (Before 2.8 Update and After Flutter 2.8 Update) versions.

In this Article

Step 1: Find local.properties Folder

project_folder/android/local.properties

Step 2: Add the following lines

flutter.minSdkVersion=21

Step 3: Open build.gradle file

project_folder/android/app/build.gradle

Step 4: Update minsdkVersion inside defaultConfig section

localProperties.getProperty(‘flutter.minSdkVersion’).toInteger()

Step 5: Clean the flutter project

Inside the terminal, run the flutter clean command.

flutter clean

Step 6: Re build you app.

Your Android minSdkVersion will be changed.

Example:

local.properties

sdk.dir=/Users/HussainHumdani/Library/Android/sdk
flutter.sdk=/Users/HussainHumdani/development/flutter
flutter.minSdkVersion=21 #here you add the minSdkVersion

build.gradle File (android/app/build.gradle)

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.cwh2"
        // You can update the following values to match your application needs.
        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
        // minSdkVersion flutter.minSdkVersion        Old Line
        minSdkVersion localProperties.getProperty('flutter.minSdkVersion').toInteger() //New Line
        targetSdkVersion flutter.targetSdkVersion
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

How to change flutter minsdkVersion — Change Flutter minSdkVersion

Project Created Before 2.8 Update

Flutter Change Android minsdkVersion befor Flutter 2.8 update — Before Flutter 2.8 Update

Step 1: Go to the build.gradle file

project_folder/android/app/build.gradle

Step 2: Find defaultConfig and update minSdkVersion

defaultConfig {
    applicationId "com.example.cwh"
    minSdkVersion 21 // This is the value that you update
    targetSdkVersion 30
    versionCode flutterVersionCode.toInteger()
    versionName flutterVersionName
}