android - How do I can design only a layout for all screen size? -


i read android documentation layout designing. yet have question layout designing. how can design layout screens size? want have multiple buttons in application , when test application in android device three-inch, result , 1 of buttons can not seen. application not advanced , has multiple buttons few operations.

check following links. clear confusions,

supporting different screen sizes

supporting different densities

and finally,

providing resources


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