仿照IOS7键盘解锁代码,ObjC代码库,德仔网

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【ObjC】仿照IOS7键盘解锁
作者:宝清 / 发布于2014/11/17/ 342

	#import "A.h"
	
	@implementation A
	
	- (id)initWithFrame:(CGRect)frame
	{
	 self = [super initWithFrame:frame];
	 if (self) {
	 // Initialization code
	 UITapGestureRecognizer *touchClearKB=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(clearKB:)];
	 [self addGestureRecognizer:touchClearKB];
	 }
	
	
	 return self;
	}
	
	-(void)clearKB:(UITapGestureRecognizer *)uITapGestureRecognizer
	{
	 CGPoint point= [uITapGestureRecognizer locationInView:self];
	
	 float x=30;
	 float y=30;
	
	 float w=40;
	 float h=40;
	 float p=5;
	
	 aa=@[@"ABC",@"DEF",@"GHI",@"JKL",@"MNO",@"PQR",@"STU",@"VWX",@"YZ"];
	 for (int i=0; i<9; i++)
	 {
	 if (i!=0&&i%3==0) {
	 x=130;
	 y+=h+8;
	 }else
	 {
	 if (i==0) {
	 x=130;
	 }else
	 {
	 x+=w+p;
	 }
	 }
	
	 CGRect frame=CGRectMake(x, y, w, h);
	 BOOL b= CGPathContainsPoint(CGPathCreateWithRect(frame,nil), nil, point, NO);
	
	 if (b) {
	 NSLog(@"-->%@",aa[i]);
	
	 [UIView beginAnimations:@"animation" context:nil];
	 [UIView setAnimationDuration:1.0f];
	 [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
	 [UIView setAnimationTransition:UIViewAnimationTransitionCurlUp forView:self cache:YES];
	 [UIView commitAnimations];
	
	
	 break;
	 }
	 }
	
	
	
	}
	
	
	
	/*
	// Only override drawRect: if you perform custom drawing.
	// An empty implementation adversely affects performance during animation.*/
	- (void)drawRect:(CGRect)rect
	{
	 // Drawing code
	 CGContextRef context=UIGraphicsGetCurrentContext();
	 CGContextSetFillColorWithColor(context, [[UIColor grayColor] CGColor]);
	 CGContextFillRect(context, self.frame);
	
	
	
	
	 // CGContextSetStrokeColorWithColor(context, [[UIColor blueColor] CGColor]) ;
	
	
	// [bp moveToPoint:CGPointMake(30, 90)];
	// [bp addLineToPoint:CGPointMake(30, 120)];
	// [bp addLineToPoint:CGPointMake(90, 120)];
	// [bp addLineToPoint:CGPointMake(90, 90)];
	
	 float x=30;
	 float y=30;
	
	 float w=40;
	 float h=40;
	 float p=5;
	
	 aa=@[@"ABC",@"DEF",@"GHI",@"JKL",@"MNO",@"PQR",@"STU",@"VWX",@"YZ"];
	 for (int i=0; i<9; i++)
	 {
	 if (i!=0&&i%3==0) {
	 x=130;
	 y+=h+8;
	 }else
	 {
	 if (i==0) {
	 x=130;
	 }else
	 {
	 x+=w+p;
	 }
	 }
	
	 [self draw:x withY:y w:w h:h withTxt:[NSString stringWithFormat:@"%d",i] withTxt2:[aa objectAtIndex:i]];
	
	 }
	
	
	}
	
	-(void)draw:(float)x withY:(float)y w:(float)w h:(float)h withTxt:(NSString *)txt1 withTxt2:(NSString *)txt2
	{
	
	 CGContextRef context=UIGraphicsGetCurrentContext();
	
	 //定义填充的颜色,这里我用红色
	 UIColor* fillColor = [UIColor greenColor];
	
	
	
	 //定义一个渐变颜色，实现上面那个填充色的渐变
	 CGColorSpaceRef colorSpace =CGColorSpaceCreateDeviceRGB();
	 NSArray* innerColorColors = [NSArray arrayWithObjects:
	 (id)[UIColor whiteColor].CGColor,
	 (id)fillColor.CGColor,
	 (id)[UIColor blueColor].CGColor,nil];
	 CGFloat innerColorLocations[] = {0,0.3,1};
	 CGGradientRef innerColor =CGGradientCreateWithColors(colorSpace, (CFArrayRef)innerColorColors, innerColorLocations);
	
	 CGRect frame=CGRectMake(x, y, w, h);
	 UIBezierPath *bp=[UIBezierPath bezierPathWithRoundedRect:frame cornerRadius:40];;
	
	 [bp closePath];
	
	 CGContextSaveGState(context);//先保存当前绘制
	 [bp addClip];//把此路径裁剪出来，否则渐变的绘制区域是整个当前的图形上下文
	
	 float minx=CGRectGetMinX(frame);
	 float miny=CGRectGetMinY(frame);
	 float maxy=CGRectGetMaxY(frame);
	 // CGContextDrawLinearGradient(context, innerColor, CGPointMake(minx, miny), CGPointMake(CGRectGetMaxX(frame), maxy), 0);//绘制渐变
	 CGContextRestoreGState(context);//恢复绘制的内容到之前的的屏幕上
	 bp.lineWidth = 0;
	 [bp stroke];//路径绘制
	
	 //清理释放内存
	 CGGradientRelease(innerColor);
	 CGColorSpaceRelease(colorSpace);
	
	
	 NSString *num=txt1;
	
	 NSArray *attribute_v=@[[UIColor whiteColor],[UIFont systemFontOfSize:18]];
	
	 NSArray *attribute=@[UITextAttributeTextColor,UITextAttributeFont];
	
	
	 UIFont *font_num = [UIFont systemFontOfSize:18];
	CGSize size_num = [num sizeWithFont:font_num constrainedToSize:CGSizeMake(150.0f, 1000.0f) lineBreakMode:UILineBreakModeCharacterWrap];
	
	 // [t drawInRect:CGRectMake(minx, miny+8, w, 8) withFont:[UIFont boldSystemFontOfSize:18] lineBreakMode:NSLineBreakByWordWrapping alignment:NSTextAlignmentCenter];
	
	
	 [num drawInRect:CGRectMake(minx+(w-size_num.width)/2, miny+8, w, 18) withAttributes:[NSDictionary dictionaryWithObjects:attribute_v forKeys:attribute]];
	
	
	 NSString *letter=txt2;
	
	 // [t1 drawInRect:CGRectMake(minx, maxy-15, w, 8) withFont:[UIFont boldSystemFontOfSize:8] lineBreakMode:NSLineBreakByWordWrapping alignment:NSTextAlignmentCenter];
	 attribute_v=@[[UIColor whiteColor],[UIFont systemFontOfSize:8]];
	
	
	
	
	 UIFont *font_letter = [UIFont systemFontOfSize:8];
	CGSize size_letter = [letter sizeWithFont:font_letter constrainedToSize:CGSizeMake(150.0f, 1000.0f) lineBreakMode:UILineBreakModeCharacterWrap];
	
	 [letter drawInRect:CGRectMake(x+(w-size_letter.width)/2, maxy-15, w, 8) withAttributes:[NSDictionary dictionaryWithObjects:attribute_v forKeys:attribute]];
	
	
	
	
	
	 CGContextSetStrokeColorWithColor(context, [[UIColor whiteColor] CGColor]);
	 CGContextSetLineWidth(context, 1);
	 CGContextAddEllipseInRect(context, frame);
	 //进行绘画
	 CGContextDrawPath(context, kCGPathStroke);
	}
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