Which of the following choices is the best answer for adding an image from your computer hard disk to a Flutter project ?

The image in this question includes a Dart code for a Raised button widget. When the app user taps this button, the app will display the content of Screen2( ) class of this app using Navigator.push navigation technique.

To do this you should replace the xxx in this Navigator.push class with ............

The image in this question is a part of Flutter app interface which includes four TextFields. When the app user types anything in the password TextField, all the characters in the text field are replaced with stars to hide the user's passworD. To do this, you should add a specific property to the password TextField widget.

Which of the following choices is the property and what property value should one add to the password TextField widget to get this type of secure input ?

Check the image in this question first, then assume that you added this Dart code in a Flutter app to create three radio buttons to your app interface. However; you got an error message. There is something that is still missing in this code.

What should you do to correct the error in this code?

If you created a Flutter app using the Firebase services where the app users had to login to this App using Firebase user accounts (email and password), which of the following Firebase products store these app users' accounts?