textfield float of container in flutter code example

Example 1: text fieldform color flutter

TextField(
  style: TextStyle(color: Colors.red),
  decoration: InputDecoration(fillColor: Colors.orange, filled: true),
)

Example 2: how to make stack not float in flutter

bool isKeyboardVisible = false;

  @override
  void initState() {
    super.initState();

    KeyboardVisibilityNotification().addNewListener(
      onChange: (bool visible) {
        isKeyboardVisible = visible;
      },
    );
  }