When "Screen1 Starts"
Triggers an event / set of events when the Screen is first opened
Triggers an event / set of events anytime the Screen is opened
Horizontal Alignment property allows you to space elements in a Screen horizontally
Vertical Alignment property allows you to space elements in a Screen vertically
You can upload a background image to your app or reference an image url e.g.
This determines how to resize the image when the frame doesn't match the raw image dimensions.
Cover: Fills the entire screen without changing the height and width ratio of the image
Contain: The entire image will be scaled down to fit inside the screen, without changing the height and width ratio of the image
Stretch: The image's height will change to fill the screen length-wise
Repeat: Repeat the image to cover the screen. The image's height and width ratio
will not change
Center: Positions the image in the middle of the frame
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