Flutter Issue - Cannot invoke "String.length()" because "<parameter1>" is null

D8: java.lang.NullPointerException: Cannot invoke "String.length()" because "<parameter1>" is null

Read these 2 issue first:

• Flutter project's gradle issue when upgrade Android Studio to Ladybug 2024.2.1
• Flutter Issue - source value 8 is obsolete and will be removed in a future release

Check Gradle Plugin compatible version, then update your android plugin version based on gradle version:

android/settings.gradle

plugins {
    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
    // id "com.android.application" version "7.3.0" apply false
    id "com.android.application" version "8.3.0" apply false
    id "org.jetbrains.kotlin.android" version "1.7.10" apply false
}