IOS 开发随笔

来源：互联网发布：上海巨人网络工资原画编辑：程序博客网时间：2024/06/06 00:59

中文->UFT-8

UFT-8->中文

NSString *name =@"你好";

NSString *utf8name = [name stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

NSString *nickname = [utf8name stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

/**********************************************************************/

解决phonegap2.9 创建的工程，在提交App Store 时候build error 找不到 libCordova.a

In Target's Build Settings, find "Other Linker Flags"
Change $(TARGET_BUILD_DIR)/libCordova.a
To $(BUILT_PRODUCTS_DIR)/libCordova.a

/**********************************************************************/

最近在做新产品，免不了新建工程，业就免不了配置！

other link 经常忘记标记 -ObjC

/**********************************************************************/

NSString *filePath = [[NSBundlemainBundle]pathForResource:@"IMG_0119"ofType:@"MOV"];

NSString *mainBundleDirectory = [[NSBundlemainBundle]bundlePath];

NSString *path = [mainBundleDirectory stringByAppendingPathComponent:docName];

NSURL*url = [NSURLfileURLWithPath:filePath];

/**********************************************************************/

更改状态栏样式

- (UIStatusBarStyle)preferredStatusBarStyle

 { 

return UIStatusBarStyleLightContent;

 }

隐藏状态栏 

- (BOOL)prefersStatusBarHidden

 { 

return NO;

 }

/**********************************************************************/

对view做圆角处理

header.layer.masksToBounds =YES;

header.layer.cornerRadius =50.0;//这个大小是header.size.width/2,好记吧哈哈~~~

header.layer.borderWidth =1.0;

header.layer.borderColor = [[UIColorgreenColor]CGColor];

/**********************************************************************/

//对数组内所有元素同一个操作

[_imageViewArraymakeObjectsPerformSelector:@selector(setISV_Delegate:)withObject:nil];

/**********************************************************************/

读取媒体库image文件

ALAssetRepresentation *re = [asset defaultRepresentation];
Byte *buffer = (Byte *)malloc(re.size);
NSUInteger buffered = [re getBytes:buffer fromOffset:0.0 length:re.size error:nil];
NSData *data = [NSData dataWithBytesNoCopy:buffer length:buffered freeWhenDone:YES];
[data writeToFile:hdImgPath atomically:YES];

/**********************************************************************/

正则

/**********************************************************************/

NSString ＊email ＝ @“nijino_saki@163.com”；

NSString *regex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
BOOL isValid = [predicate evaluateWithObject:email];

/**********************************************************************/

To be continued...

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