我有UITexfields,我希望它应该只接受数字其他显示警报,输入一个数字值。我希望motionSicknessTextFiled应该只接受数字
NSString*dogswithMotionSickness=motionSicknessTextField.text;
NSString*valueOne=cereniaTextField.text;
NSString*valueTwo=prescriptionTextField.text;
NSString*valueThree=otherMeansTextField.text;
NSString*valueFour=overtheCounterTextField.text;
https://stackoverflow.com/questions/10734959
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