Easily Fixed : Multidex Issue With Flutter | App Requires Multidex Support

Описание: Solution :

1. Enable multidex.
Open [project_folder]/app/build.gradle and add following lines.
no
defaultConfig {
...

multiDexEnabled true
}
and

dependencies {
...

implementation 'com.android.support:multidex:1.0.3'
}

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Or You Can Try this too


2.Enable Jetifier
Open [project_folder]/android/gradle.properties and add following lines.

android.useAndroidX=true
android.enableJetifier=true

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For mine 1 st solution was worked ...