How to make opaque tutorial screen in flutter?

As RoyalGriffin mentioned, you can use highlighter_coachmark library, and I am also aware of the error you are getting, the error is there because you are using RangeSlider class which is imported from 2 different packages. Can you try this example in your app and check if it is working? Add highlighter_coachmark to your pubspec.yaml … Read more

What Unicode character do you use in your website? (instead of image icons)

To find useful symbols, I have two great resources: http://shapecatcher.com Allows you to draw a shape, which it then searches for similarly shaped unicode symbols. https://www.fileformat.info/info/unicode/block/index.htm Lists unicode by the character blocks (using an embedded unicode font to maximize compatibility for display) and has a “display a certain block with images” functionality that allows you … Read more

Styling UITableViewCells with gradient backgrounds

I work for Tumblr, and while I didn’t write the iPhone app (he did), I have the source and can tell you how it’s done. In -tableView:cellForRowAtIndexPath: cell.backgroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@”postCellBackground.png”]]; cell.selectedBackgroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@”postCellBackgroundSelected.png”]]; Pretty simple, really: PNG images in a UIImageView as the cell’s background views. The two images … Read more

Use object array list as spinner adapter

Hi what you need to do is pretty easy, to your class Contact, override the toString() method in it and return the name of the contact. look at the example. it is also available in github public class SpinnerTestOneActivity extends AppCompatActivity { private Spinner spinner; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_spinner_test_one); Toolbar toolbar … Read more

Center JDialog over parent

On the JDialog you’ve created you should call pack() first, then setLocationRelativeTo(parentFrame), and then setVisible(true). With that order the JDialog should appear centered on the parent frame. If you don’t call pack() first, then setting the location relative to the parent doesn’t work properly because the JDialog doesn’t know what size it is at that … Read more