You cannot translate Java to Swift automatically . There are too many differences. To speed up an application, you have to find out which parts of the code consume most of the time, then redesign the program in such a way that it does it more efficiently.18 Mar 2018
Read moreHow do I turn my Java code into an app?
Click the “File” menu item. Click “Open.” In the dialog window, click the Java file you want to convert. Click “Open.” The dialog window includes the Java file in the Android application.
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