iOS - UIButton大小隨文本自適應及換行（笨鳥先飛中）

NSArray *Arr = @[@"123456",@"123456789",@"qwertyuiop",@"asdfghjkl",@"zxcvbnm",@"abcdefg",@"aaaa",@"bbbb",@"cccc",@"f",@"fretretq",@"fewrtewt",@"a beautiful day",@"夠了沒有呢",@"哎 還是多寫幾個吧",@"豐富特權",@"123456"

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