iOS 작업 중 발생 하 는 문제 (1)
http://www.jianshu.com/p/de718ef3bd20
// view
- (UIViewController *)viewController {
UIViewController *viewController = nil;
UIResponder *next = self.nextResponder;
while (next) {
if ([next isKindOfClass:[UIViewController class]]) {
viewController = (UIViewController *)next;
break;
}
next = next.nextResponder;
}
return viewController;
}
UIImage
- (UIImage *) imageWithBackgroundColor:(UIColor *)bgColor
shadeAlpha1:(CGFloat)alpha1
shadeAlpha2:(CGFloat)alpha2
shadeAlpha3:(CGFloat)alpha3
shadowColor:(UIColor *)shadowColor
shadowOffset:(CGSize)shadowOffset
shadowBlur:(CGFloat)shadowBlur {
UIImage *image = self;
CGColorRef cgColor = [bgColor CGColor];
CGColorRef cgShadowColor = [shadowColor CGColor];
CGFloat components[16] = {1,1,1,alpha1,1,1,1,alpha1,1,1,1,alpha2,1,1,1,alpha3};
CGFloat locations[4] = {0,0.5,0.6,1};
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGGradientRef colorGradient = CGGradientCreateWithColorComponents(colorSpace, components, locations, (size_t)4);
CGRect contextRect;
contextRect.origin.x = 0.0f;
contextRect.origin.y = 0.0f;
contextRect.size = [image size];
//contextRect.size = CGSizeMake([image size].width+5,[image size].height+5);
// Retrieve source image and begin image context
UIImage *itemImage = image;
CGSize itemImageSize = [itemImage size];
CGPoint itemImagePosition;
itemImagePosition.x = ceilf((contextRect.size.width - itemImageSize.width) / 2);
itemImagePosition.y = ceilf((contextRect.size.height - itemImageSize.height) / 2);
UIGraphicsBeginImageContext(contextRect.size);
CGContextRef c = UIGraphicsGetCurrentContext();
// Setup shadow
CGContextSetShadowWithColor(c, shadowOffset, shadowBlur, cgShadowColor);
// Setup transparency layer and clip to mask
CGContextBeginTransparencyLayer(c, NULL);
CGContextScaleCTM(c, 1.0, -1.0);
CGContextClipToMask(c, CGRectMake(itemImagePosition.x, -itemImagePosition.y, itemImageSize.width, -itemImageSize.height), [itemImage CGImage]);
// Fill and end the transparency layer
CGContextSetFillColorWithColor(c, cgColor);
contextRect.size.height = -contextRect.size.height;
CGContextFillRect(c, contextRect);
CGContextDrawLinearGradient(c, colorGradient,CGPointZero,CGPointMake(contextRect.size.width*1.0/4.0,contextRect.size.height),0);
CGContextEndTransparencyLayer(c);
//CGPointMake(contextRect.size.width*3.0/4.0, 0)
// Set selected image and end context
UIImage *resultImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
CGColorSpaceRelease(colorSpace);
CGGradientRelease(colorGradient);
return resultImage;
}
- (UIImage *)composeWithHeader:(UIImage *)header content:(UIImage *)content footer:(UIImage *)footer{
CGSize size = CGSizeMake(content.size.width, header.size.height +content.size.height +footer.size.height);
UIGraphicsBeginImageContext(size);
[header drawInRect:CGRectMake(0,0,header.size.width,header.size.height)];
[content drawInRect:CGRectMake(0,header.size.height,content.size.width,content.size.height)];
[footer drawInRect:CGRectMake(0,header.size.height+content.size.height,footer.size.width,footer.size.height)];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
PCH
http://www.jianshu.com/p/67ce72c4ad6c
app
http://www.jianshu.com/p/d1ecc467faff
http://www.jianshu.com/p/a7aab7f04639
http://www.jianshu.com/p/d466f2da0d33
http://www.jianshu.com/p/1cb03ec1cb0b
http://www.jianshu.com/p/b7173ccd4241
http://www.jianshu.com/p/1f2572c08816
http://www.jianshu.com/p/420a66beb0c1
http://www.jianshu.com/p/2c38e7dc738a
http://www.jianshu.com/p/2c48aef39142
http://blog.csdn.net/u010818357/article/details/51221002
http://www.2cto.com/kf/201401/273820.html
http://blog.csdn.net/ztp800201/article/details/14222755
http://blog.csdn.net/qqmcy/article/details/48680601
http://blog.csdn.net/dean19900504/article/details/8673800/
https://yq.aliyun.com/articles/41371
#import
- (void)vibrate {
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
}
1.
, .
2.
iOS
http://newdocx.appcan.cn/dev-guide/ios-certi-process
iOS AppStore
http://newdocx.appcan.cn/dev-guide/ios-dev-appStore
3.collectionView cell
// cell
- (BOOL)collectionView:(UICollectionView *)collectionView shouldHighlightItemAtIndexPath:(NSIndexPath *)indexPath
{
return YES;
}
- (void)collectionView:(UICollectionView *)colView didHighlightItemAtIndexPath:(NSIndexPath *)indexPath
{
UICollectionViewCell* cell = [colView cellForItemAtIndexPath:indexPath];
// (Highlight)
[cell setBackgroundColor:[UIColor colorWithString:@"f2f2f2"]];
}
- (void)collectionView:(UICollectionView *)colView didUnhighlightItemAtIndexPath:(NSIndexPath *)indexPath
{
UICollectionViewCell* cell = [colView cellForItemAtIndexPath:indexPath];
// (Nomal)
[cell setBackgroundColor:[UIColor whiteColor]];
}
4. webView
warning：This application is modifying the autolayout engine from a background thread
：This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes. This will cause an exception in a future release.
： UI ， UI
：
dispatch_async(dispatch_get_main_queue(), ^{
});
5.
LSApplicationQueriesSchemes
wechat
weixin
sinaweibohd
sinaweibo
sinaweibosso
weibosdk
weibosdk2.5
mqqapi
mqq
mqqOpensdkSSoLogin
mqqconnect
mqqopensdkdataline
mqqopensdkgrouptribeshare
mqqopensdkfriend
mqqopensdkapi
mqqopensdkapiV2
mqqopensdkapiV3
mqqopensdkapiV4
mqzoneopensdk
wtloginmqq
wtloginmqq2
mqqwpa
mqzone
mqzonev2
mqzoneshare
wtloginqzone
mqzonewx
mqzoneopensdkapiV2
mqzoneopensdkapi19
mqzoneopensdkapi
mqqbrowser
mttbrowser
alipay
alipayshare
renrenios
renrenapi
renren
renreniphone
laiwangsso
yixin
yixinopenapi
instagram
whatsapp
line
fbapi
fb-messenger-api
fbauth2
fbshareextension
kakaofa63a0b2356e923f3edd6512d531f546
kakaokompassauth
storykompassauth
kakaolink
kakaotalk-4.5.0
kakaostory-2.9.0
pinterestsdk.v1
6.pod
[!] Unable to add a source with url `https://github.com/CocoaPods/Specs.git` named `master-1`.
You can try adding it manually in `~/.cocoapods/repos` or via `pod repo add`.
: Xcode
7.
http://sharesdk.mob.com
https://www.juhe.cn
http://www.jisuapi.com
UITextfield
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
if (range.length + range.location > textField.text.length) {
return NO;
}
NSUInteger length = textField.text.length + string.length - range.length;
return length <= ;
}
8.NSTimer
1.
1 NSTimer *timer = [NSTimer timerWithTimeInterval:5 target:self selector:@selector(timerAction) userInfo:nil repeats:YES];
2 [[NSRunLoop mainRunLoop] addTimer:timer forMode:NSDefaultRunLoopMode];
2.
3,
9.
//
self.navigationController.navigationBar.barTintColor = mainColor;
//
[self.navigationController.navigationBar setTitleTextAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:k6AutoSize(22)], NSForegroundColorAttributeName:[UIColor whiteColor]}];
//
self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
//
UIScreenEdgePanGestureRecognizer *screenEdgePanGR = [[UIScreenEdgePanGestureRecognizer alloc] initWithTarget:self action:@selector(backEvent)];
screenEdgePanGR.edges = UIRectEdgeLeft;
[self.view addGestureRecognizer:screenEdgePanGR];
// view
UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] init];
[tapGesture addTarget:self action:@selector(action)];
[view addGestureRecognizer:tapGesture];
//
for (int i = 0; i < self.identityInformationView.nameTextField.text.length; i++) {
NSRange range = NSMakeRange(i, 1);
NSString *subString = [self.identityInformationView.nameTextField.text substringWithRange:range];
const char *cString = [subString UTF8String];
if (strlen(cString) != 3) {
//
}
}
//
UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
pasteboard.string = @"100000";
bundle ID
， ； App Store ， Apple Developer Center App ID， 。
， ， bundle ID com.apple.test( ) ，app ID ，( )com.baidu.test。 ， bundle ID com.baidu.test， ， ， 。
info.plist bundle ID com.baidu.test。
， The provisioning profile specified in your build settings ("test") has an AppID of "com.baidu.test" which does not match your bundle identifier "com.apple.test" bundle identifier info.plist ， Build Settings Package Product Bundle Identifier “com.baidu.test”
cell
self.tableView.estimatedRowHeight = 100;
self.tableView.rowHeight = UITableViewAutomaticDimension;
100 ， 。
cell.label.numberOfLines = 0;
//
- (BOOL) validateEmail:(NSString *)email
{
NSString *emailRegex =@"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate *emailTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:email];
}
//
- (BOOL) validateMobile:(NSString *)mobile
{
// 13， 15，18 ， \d
NSString *phoneRegex =@"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";
NSPredicate *phoneTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",phoneRegex];
return [phoneTest evaluateWithObject:mobile];
}
//
- (BOOL) validateCarNo:(NSString *)carNo
{
NSString *carRegex =@"^[\u4e00-\u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_\u4e00-\u9fa5]$";
NSPredicate *carTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",carRegex];
NSLog(@"carTest is %@",carTest);
return [carTest evaluateWithObject:carNo];
}
//
- (BOOL) validateCarType:(NSString *)CarType
{
NSString *CarTypeRegex = @"^[\u4E00-\u9FFF]+$";
NSPredicate *carTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",CarTypeRegex];
return [carTest evaluateWithObject:CarType];
}
//
- (BOOL) validateUserName:(NSString *)name
{
NSString *userNameRegex = @"^[A-Za-z0-9]{6,20}+$";
NSPredicate *userNamePredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",userNameRegex];
return [userNamePredicateevaluateWithObject:name];
}
//
- (BOOL) validatePassword:(NSString *)passWord
{
NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$";
NSPredicate *passWordPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",passWordRegex];
return [passWordPredicate evaluateWithObject:passWord];
}
//
- (BOOL) validateNickname:(NSString *)nickname
{
NSString *nicknameRegex =@"^[\u4e00-\u9fa5]{4,8}$";
NSPredicate *passWordPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",nicknameRegex];
return [passWordPredicate evaluateWithObject:nickname];
}
//
- (BOOL) validateIdentityCard: (NSString *)identityCard
{
if (identityCard.length == 15|| identityCard.length == 18) {
NSString *regex2 =@"^(\\d{14}|\\d{17})(\\d|[xX])$";
NSPredicate *identityCardPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];
return [identityCardPredicate evaluateWithObject:identityCard];
}
return NO;
}
// . ,
- (BOOL)isPureInt:(NSString *)string{
NSScanner *scan = [NSScanner scannerWithString:string];
int value;
return [scan scanInt:&value] && [scan isAtEnd];
}
// label
self.tailLabel.numberOfLines = 0;
self.tailLabel.lineBreakMode = NSLineBreakByWordWrapping;
CGSize size = [self.tailLabel sizeThatFits:CGSizeMake(self.tailLabel.frame.size.width, MAXFLOAT)];
CGRect frame = self.tailLabel.frame;
frame.size.height = size.height;
self.tailLabel.frame = frame;
// label
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:tail];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
[paragraphStyle setLineSpacing:k6AutoSize(8)];
[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [tail length])];
[self.tailLabel setAttributedText:attributedString];
[self.tailLabel sizeToFit];
+ (ViewController *)sharedViewController
{
static ViewController *VC = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
VC = [[ViewController alloc] init];
});
return VC;
}
①cd
② find . "(" -name "*.m" -or -name "*.mm" -or -name "*.cpp" -or -name "*.h" -or -name "*.rss" ")" -print | xargs wc -l
// ,
#define alert(string, detail) UIAlertController *alertController = [UIAlertController alertControllerWithTitle:string message:detail preferredStyle:UIAlertControllerStyleAlert]; \
UIAlertAction *okAction = [UIAlertAction actionWithTitle:@" " style:UIAlertActionStyleDefault handler:nil]; \
[alertController addAction:okAction]; \
[self presentViewController:alertController animated:YES completion:nil];
//
alert(@" ", @" ")
alert(@" ", nil)
：
self.imageView = [[UIImageView alloc] init];
self.imageView.backgroundColor = [UIColor redColor];
self.imageView.image = [UIImage imageNamed:@"12345"];
self.imageView.frame = CGRectMake(0, 0, 100, 100);
[self.view addSubview:self.imageView];
：
self.imageView = ({
UIImageView *imageView = [[UIImageView alloc] init];
imageView.backgroundColor = [UIColor redColor];
imageView.image = [UIImage imageNamed:@"12345"];
imageView.frame = CGRectMake(0, 0, 100, 100);
[self.view addSubview:imageView];
imageView;
});
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