UITextField使用小结(一)
_textField.frame = CGRectMake(0, 0, 200, 50); _textField.delegate = self; _textField.text = str; [_textField becomeFirstResponder]; /* 设置背景色、背景图片。设置了背景图片后,背景色设置无效 如果background为nil,disabledBackground无效 */ _textField.background = [UIImage imageNamed:@"返回-按下"]; _textField.disabledBackground = [UIImage imageNamed:@"返回-未激活"];// _textField.enabled = NO; _textField.backgroundColor = [UIColor blueColor]; _textField.placeholder = @"输入文本…"; /* 设置为YES时文本会自动缩小以适应文本窗口大小.默认是保持原来大小,而让长文本滚动 */ _textField.adjustsFontSizeToFitWidth = YES; //设置自动缩小显示的最小字体大小,adjustsFontSizeToFitWidth为YES才会起作用 _textField.minimumFontSize = 20; _textField.font = [UIFont systemFontOfSize:30.0f]; /* 内容对齐方式 内容的垂直对齐方式 UITextField继承自UIControl,此类中有一个属性contentVerticalAlignment */ _textField.textAlignment = UITextAlignmentLeft; _textField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter; /* typedef enum { UITextBorderStyleNone, UITextBorderStyleLine, UITextBorderStyleBezel, UITextBorderStyleRoundedRect } UITextBorderStyle; */ _textField.borderStyle = UITextBorderStyleBezel; /* 每输入一个字符就变成点 用语密码输入 */ _textField.secureTextEntry = NO; /* //输入框中是否有个叉号,在什么时候显示,用于一次性删除输入框中的内容 typedef enum { UITextFieldViewModeNever, 重不出现 UITextFieldViewModeWhileEditing, 编辑时出现 UITextFieldViewModeUnlessEditing, 除了编辑外都出现 UITextFieldViewModeAlways 一直出现 } UITextFieldViewMode; */ _textField.clearButtonMode = UITextFieldViewModeWhileEditing; /* 开始编辑,清空数据 */ _textField.clearsOnBeginEditing = NO; /* //是否纠错 typedef enum { UITextAutocorrectionTypeDefault, 默认 UITextAutocorrectionTypeNo, 不自动纠错 UITextAutocorrectionTypeYes, 自动纠错 } UITextAutocorrectionType; */ _textField.autocorrectionType = UITextAutocorrectionTypeYes; /* //首字母是否大写 typedef enum { UITextAutocapitalizationTypeNone, 不自动大写 UITextAutocapitalizationTypeWords, 单词首字母大写 UITextAutocapitalizationTypeSentences, 句子的首字母大写 UITextAutocapitalizationTypeAllCharacters, 所有字母都大写 } UITextAutocapitalizationType; */ _textField.autocapitalizationType = UITextAutocapitalizationTypeWords; /* 键盘 typedef enum { UIKeyboardTypeDefault, 默认键盘,支持所有字符 UIKeyboardTypeASCIICapable, 支持ASCII的默认键盘 UIKeyboardTypeNumbersAndPunctuation, 标准电话键盘,支持+*#字符 UIKeyboardTypeURL, URL键盘,支持.com按钮 只支持URL字符 UIKeyboardTypeNumberPad, 数字键盘 UIKeyboardTypePhonePad, 电话键盘 UIKeyboardTypeNamePhonePad, 电话键盘,也支持输入人名 UIKeyboardTypeEmailAddress, 用于输入电子 邮件地址的键盘 UIKeyboardTypeDecimalPad, 数字键盘 有数字和小数点 UIKeyboardTypeTwitter, 优化的键盘,方便输入@、#字符 UIKeyboardTypeAlphabet = UIKeyboardTypeASCIICapable, } UIKeyboardType; */ _textField.keyboardType = UIKeyboardTypeDefault; /* //return键变成什么键 typedef enum { UIReturnKeyDefault, 默认 灰色按钮,标有Return UIReturnKeyGo, 标有Go的蓝色按钮 UIReturnKeyGoogle,标有Google的蓝色按钮,用语搜索 UIReturnKeyJoin,标有Join的蓝色按钮 UIReturnKeyNext,标有Next的蓝色按钮 UIReturnKeyRoute,标有Route的蓝色按钮 UIReturnKeySearch,标有Search的蓝色按钮 UIReturnKeySend,标有Send的蓝色按钮 UIReturnKeyYahoo,标有Yahoo的蓝色按钮 UIReturnKeyYahoo,标有Yahoo的蓝色按钮 UIReturnKeyEmergencyCall, 紧急呼叫按钮 } UIReturnKeyType; */ _textField.returnKeyType = UIReturnKeyDone; /* //键盘外观 typedef enum { UIKeyboardAppearanceDefault, 默认外观,浅灰色 UIKeyboardAppearanceDark, 深灰 石墨色 UIKeyboardAppearanceLight 浅灰色 } UIReturnKeyType; */ _textField.keyboardAppearance=UIKeyboardAppearanceDefault; /* 设置左右的两个view */// UIImageView *imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"image_right"]];// imgView.frame = CGRectMake(0, 0, 20, 20);// _textField.rightView = imgView;// _textField.rightViewMode = UITextFieldViewModeAlways; // 同上 UIImageView *imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"image_left"]]; imgView.frame = CGRectMake(0, 0, 20, 20); _textField.leftView = imgView; _textField.leftViewMode = UITextFieldViewModeAlways; // 同上 /* 重写绘制行为 除了UITextField对象的风格选项,你还可以定制化UITextField对象,为他添加许多不同的重写方法,来改变文本字段的显示行为。这些方法都会返回一个CGRect结构,制定了文本字段每个部件的边界范围。以下方法都可以重写。 – textRectForBounds: //重写来重置文字区域 – drawTextInRect: //改变绘文字属性.重写时调用super可以按默认图形属性绘制,若自己完全重写绘制函数,就不用调用super了. – placeholderRectForBounds: //重写来重置占位符区域 – drawPlaceholderInRect: //重写改变绘制占位符属性.重写时调用super可以按默认图形属性绘制,若自己完全重写绘制函数,就不用调用super了. – borderRectForBounds: //重写来重置边缘区域 – editingRectForBounds: //重写来重置编辑区域 – clearButtonRectForBounds: //重写来重置clearButton位置,改变size可能导致button的图片失真 – leftViewRectForBounds: – rightViewRectForBounds: */
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UITextField使用小结(二)
http://quding0308.iteye.com/admin/blogs/1681180