The plugin firebase database requires a higher Android SDK version | Flutter

The plugin firebase database requires a higher Android SDK version | Flutter
My Flutter App is not running after adding cloud_firebase package

BUILD FAILED in 31s
The plugin cloud_firestore requires a higher Android SDK version.
android {
defaultConfig {
minSdkVersion 19
}
}
Note that your app won't be available to users running Android SDKs below 19.
Alternatively, try to find a version of this plugin that supports these lower versions of the Android SDK.
Exception: Gradle task assembleDebug failed with exit code 1

Suggestion: use a compatible library with a minSdk of at most 16,
or increase this project's minSdk version to at least 19,

defaultConfig {
minSdkVersion 21
targetSdkVersion 30
versionName flutterVersionName
}

[ahmedmustafa]

I appreciate you fixing this problem.
I experienced the exact same issue.

[mehulsuthar]

When i changed my minsdkversion to 21 my emulator is not showing anything just white screen

[odishalocaljobs]

using androapp plugin, how to change api level, kindly help

[rushikeshpatil]

Thanks for solving this error.
I am facing the same problem.

[beom-seok]

What a coincidence, I'm making same interface which looks exactly the same as another Youtuber I'm learning from and I'm having same error