manipulating user input in a textfield

12 lat temu • Ostatnio zmodyfikowane przez 12 lat temu • 1

There is a way to force a textfield to have decimals when the iphone keyboard does not have a decimal. Wavelength did this for their tip calculator. The textfield placeholder prompts the user to enter dollar and cents by using the placeholder "0.00" in the textfield. Then when the user inputs the amount, the decimal remains. In other words, the placeholder text within the textfield does not entirely disappear. The decimal remains while the 0's are replaced with the user's input. How did they do this?

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12 lat temu

If I recall this was done by simply creating a text tag for the decimal point and then placing it on top of the textfield using xpos and ypos positioning. As long as it is at the top of the z-order, it will always display in the same place.

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