iphone - How to make the UIKeyboard black? -

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i've seen question here: can tint (black) uikeyboard? if so, how?, top answer suggests can hack around doing may app rejected apple. must not true, i've seen other iphone applications (a major 1 being clear) have black uikeyboard. how done?

here's screenshot of clear reference:

enter image description here

try out

   [(uitextfield *)mysubview setkeyboardappearance:uikeyboardappearancealert];

or adding setkeyboardappearance:uikeyboardappearancealert appropriately depending on how have set up!


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