自定義數字鍵盤

自定義資料鍵盤

* .h 檔案

@protocol SLNumericKeyboardDelegate <NSObject>

- (void) numberKeyboardInput:(NSInteger) number;
- (void) numberKeyboardBackspaceTag:(NSInteger)tag;
- (void) changeKeyboardType;
@end

@interface SLNumericKeyboard : UIView {

    NSArray *arrLetter;
}
@property (nonatomic,assign) id<SLNumericKeyboardDelegate> delegate;
@property (nonatomic,retain) UILabel *customLbl;  //!< 自定義的一個鍵
@end
           

* .m 檔案

#import "SLNumericKeyboard.h"

#define kLineWidth .5
#define kNumFont [UIFont systemFontOfSize:28]
#define SCREENWIDTH  [UIScreen mainScreen].bounds.size.width

@implementation SLNumericKeyboard

- (id)initWithFrame:(CGRect)frame {

    self = [super initWithFrame:frame];

    if (self) {

        self.bounds = CGRectMake(, , SCREENWIDTH, );
        arrLetter = [NSArray arrayWithObjects:@"ABC",@"DEF",@"GHI",@"JKL",@"MNO",@"PQRS",@"TUV",@"WXYZ", nil];
        for (int i=; i<; i++) {

            for (int j=; j<; j++) {

                UIButton *button = [self creatButtonWithX:i Y:j];
                [self addSubview:button];
            }
        }

        UIColor *color = [UIColor lightGrayColor];// [UIColor colorWithRed:188/255.0 green:192/255.0 blue:199/255.0 alpha:1];

//        UIView *line0 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, SCREENWIDTH, .6)];
//        line0.backgroundColor = color;
//        [self addSubview:line0];

        UIView *line1 = [[UIView alloc] initWithFrame:CGRectMake(SCREENWIDTH / , , kLineWidth, )];
        line1.backgroundColor = color;
        [self addSubview:line1];

        UIView *line2 = [[UIView alloc] initWithFrame:CGRectMake(SCREENWIDTH/*+, , kLineWidth, )];
        line2.backgroundColor = color;
        [self addSubview:line2];

        for (int i=; i<; i++) {

            UIView *line = [[UIView alloc] initWithFrame:CGRectMake(, *(i+), SCREENWIDTH, kLineWidth)];
            line.backgroundColor = color;
            [self addSubview:line];
        }

    }
    return self;
}

-(UIButton *)creatButtonWithX:(NSInteger)x Y:(NSInteger)y {

    UIButton *button;
    button.backgroundColor = [UIColor redColor];

    CGFloat frameX;
    CGFloat frameW = SCREENWIDTH / ;
    switch (y) {

        case :
            frameX = ;
            break;
        case :
            frameX = frameW + ;
            break;
        case :
            frameX = frameW *  + ;
            break;

        default:
            break;
    }
    CGFloat frameY = *x;

    button = [[UIButton alloc] initWithFrame:CGRectMake(frameX, frameY, frameW, )];

    NSInteger num = y+*x+;
    button.tag = num;
    [button addTarget:self action:@selector(clickButton:) forControlEvents:UIControlEventTouchUpInside];

    UIColor *colorNormal = [UIColor whiteColor];// [UIColor colorWithRed:252/255.0 green:252/255.0 blue:252/255.0 alpha:1];
    UIColor *colorHightlighted = [UIColor colorWithRed:/ green:/ blue:/ alpha:];

    if (num ==  || num == ) {

        UIColor *colorTemp = colorNormal;
        colorNormal = colorHightlighted;
        colorHightlighted = colorTemp;
    }

    button.backgroundColor = colorNormal;
    CGSize imageSize = CGSizeMake(frameW, );
    UIGraphicsBeginImageContextWithOptions(imageSize, , [UIScreen mainScreen].scale);
    [colorHightlighted set];
    UIRectFill(CGRectMake(, , imageSize.width, imageSize.height));
    UIImage *pressedColorImg = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    [button setImage:pressedColorImg forState:UIControlStateHighlighted];

    if (num<) {

        UILabel *labelNum = [[UILabel alloc] initWithFrame:CGRectMake(, , frameW, )];
        labelNum.text = [NSString stringWithFormat:@"%ld",num];
        labelNum.textColor = [UIColor blackColor];
        labelNum.textAlignment = NSTextAlignmentCenter;
        labelNum.backgroundColor = [UIColor clearColor];
        labelNum.font = kNumFont;
        [button addSubview:labelNum];

        if (num != ) {

            UILabel *labelLetter = [[UILabel alloc] initWithFrame:CGRectMake(, , frameW, )];
            labelLetter.text = [arrLetter objectAtIndex:num-];
            labelLetter.textColor = [UIColor blackColor];
            labelLetter.textAlignment = NSTextAlignmentCenter;
            labelLetter.font = [UIFont systemFontOfSize:];
            labelLetter.backgroundColor = [UIColor clearColor];
            [button addSubview:labelLetter];
        }
    } else if (num == ) {

        UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(, , frameW, )];
        label.text = @"0";
        label.textColor = [UIColor blackColor];
        label.textAlignment = NSTextAlignmentCenter;
        label.backgroundColor = [UIColor clearColor];
        label.font = kNumFont;
        [button addSubview:label];

    } else if (num == ) {

        _customLbl = [[UILabel alloc] initWithFrame:CGRectMake(, , frameW, )];
        _customLbl.text = @"完成";
        _customLbl.backgroundColor = [UIColor clearColor];
        _customLbl.textColor = [UIColor blackColor];
        _customLbl.textAlignment = NSTextAlignmentCenter;
        [button addSubview:_customLbl];

    } else {

        UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(btnLong:)];
        longPress.minimumPressDuration = ; //定義按的時間
        [button addGestureRecognizer:longPress];

        UIImageView *arrow = [[UIImageView alloc] initWithFrame:CGRectMake((SCREENWIDTH/ - ) / , , , )];
        arrow.image = [UIImage imageNamed:@"arrowInKeyboard"];
        [button addSubview:arrow];
    }

    return button;
}


- (void)btnLong:(UILongPressGestureRecognizer *)longPress {

    [self.delegate numberKeyboardBackspaceTag:];
}

-(void)clickButton:(UIButton *)sender {

    if (sender.tag == ) {

        [self.delegate changeKeyboardType];
        return;
    } else if(sender.tag == ) {

        [self.delegate numberKeyboardBackspaceTag:sender.tag];
    } else {

        NSInteger num = sender.tag;
        if (sender.tag == )
            num = ;
        [self.delegate numberKeyboardInput:num];
    }
}

@end
           

裡都很簡單是以沒加什麼注釋！

不明白的可以找我 QQ：2298527161