- (IBAction)openFlash:(id)sender { AVCaptureDevice *device = [AVCaptureDevice defaultDevic…
github代码 前几天偶然发现一个app叫Blink,闲来无事,纯当练手,于是就尝试下自己实现它的功能. 页面都挺简单的 1.打开相机 – (void)openCam…
+ (void)createFolder:(NSString *)folderName { NSString *imageDir = [NSString stringWithFor…
UIStackView可以垂直或水平排布多个subview, 自动为每个subview创建和添加Auto Layout constraints. 1.添加subview let l…
CLGeocoder *myGeocoder = [[CLGeocoder alloc] init]; [myGeocoder geocodeAddressString:_sear…
CAGradientLayer *gradient = [CAGradientLayer layer]; gradient.frame = self.view.bounds; gr…
利用CIDetector来人脸识别 添加图片: UIImage* image = [UIImage imageNamed:@"face.jpg"]; …
CAEmitterLayer *emitter = [CAEmitterLayer layer]; emitter…
#import <Foundation/Foundation.h> #import <AppKit/AppKit.h> int main(int argc,…
- (void)viewDidLoad { [super viewDidLoad]; self.seco…
CATextLayer *textLayer = [CATextLayerlayer]; textLayer.frame =CGRectMake(100,100,100,100);…
1.注册微信开发账号,开通支付权限(注册谁都会了) 2.把三个文件拉进去 libWeChatSDK.a WXApi.h WXApiObject.h 3.添加URL Types 4.…