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How Regression Testing Detects Integral Errors In Business Processes
Humans are forever changing and evolving and so to
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Get Display Banner Advertising Opportunity on FindNerd Platform
“Do you have a product or service that nee
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Android O Released with Top 7 New Features for App Developers
Android was founded by Andy Rubin, Rich Miner, Nic
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Top 5 Features That Make Laravel the Best PHP Framework for Development
Laravel is a free open source Web Framework of PHP
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Objective C or Swift - Which Technology to Learn for iOS Development?
Swift programming language is completely based on
by siddharth.sindhi
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Send mail using iOS
Sometimes we need to send the email from iOS application for that we have to integrate MFMailComposeViewController in our application so that we can send email.
This program will help you to send email through your app using swift.
Steps Requ...
How to iterate or remove all key object from NSUserDefaults
Hi Readers,
In any iPhone app if it is needed to iterate or remove NSUserDefault keys (as in logout feature), following code can be used:
To iterate key objects:
NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
...
Fetch the Contact Detail Using iPhone SDK
In iPhone application development it is required to fetch the contact detail that are saved in the contact list of iPhone.
So here is the program that will help you to fetch the detail of the contact with name number and contact image, if the i...
Nodejs Socket.io is working on desktop safari, but not iPhone device
I have as issue in which socket.io is not starting on any iPhone device. I have searched for it and went through some solutions but nothing worked. Here are some issue links:
https://github.com/Automattic/socket.io/issues/976
http://www.cod...
How to give background color to superview only with alpha less than 1.0
Hi,
In many cases we have to give a background color to a superview with alpha less than 1.0. If we give color from XIB/storyboard to a superview with alpha 0.4 then it assigns the alpha 0.4 to its subviews also.
What if we need to give al...
Autoplay media files in UIWebView in IOS
When displaying media content using HTML5 in a web view on IOS the autoplay functionality does not work.
To enable to web view to autoplay the media (if coded in HTML to autoplay) you need to add a line of code in your IOS application as expla...
Save the other Object in array using for loop
To add the object in array in for Loop we have several methods:
first we can have to simply add those objects to the array then we can add them using for loop in array.....
**IN example:**
we have a simple object *object that we added 3 tim...
How to get sub strings from a string using Regular Expression
Hi, The below code is to get substrings from a string. You are going to love this below code which is very simple but very effective. I have used regular expression to get the sub strings.
NSString *strTest = @"Hii how are you doing @Ravi , h...
How to resolve JQuery Lightbox session object access issue for iPhone ?
Hiii all...
I have found something about iPhone and Jquery lightbox. It would be beneficial for those who are working with Jquery lightbox.
If you are opening .aspx page in lightbox, and fetching few values from Session object in backend, ...
Interface and Property
Interface
Interface is where you define the attributes and methods of class.
In objective C the file where the declaration of class is done is called the interface file and the file where the class is defined is called the implementation file...
Mutable and Immutable Objects
Object which we create can either be mutable or immutable.
For example:
Immutable : NSString *str = [[NSString alloc]init];
Mutable: NSMutableString *str = [[NSMutableString alloc]init];
When we edit Mutable Object it will chang...
Rounded corner in XIB or storyboard
Hi,
I am writing for the first time on FindNerd. Many times we need to make buttons, labels, imageview, view to have rounded corner. and we write code as below to perform it.
[redButton.layer setCornerRadius:15.0f];
[redButton.laye...
Divide image in equal parts wrt number of row and number of column.
With the help of following code you can divide UIImage into equal parts w.r.t number of row and number of column.
Create a category of UIImageView and UImage and write the following method respectively in them.
-(NSArray *)divideImageViewIn...
resize UIImage without losing quality (not screenshot)
Use the below code for cutting UIImage in high quality without blur (not screenshot)
tmp is image view
<p>UIGraphicsBeginImageContextWithOptions(tmp.frame.size,YES, 4.0);</p>
<p>CGContextRef c = UIGraphicsGetCurrentCon...
Crop an image from UIImageView
With the following method stated below you can crop an UIImageView.
-(UIImage *)cropedImage:(UIView *)view{
UIGraphicsBeginImageContextWithOptions(view.frame.size, imageView.opaque, 4.0);
CGContextRef c = UIGraphicsGetCurrentConte...
Compile your code even when application is in background
When application enters in background the compiler stop working and it has to wait till application enter foreground. Use following code to compile some of your code even when application is in background
bgTask = [application beginBackground...
How to create a custom Spinner
To create a custom spinner create a custom view with the following initialization method
- (id)initWithFrame:(CGRect)frame superViewFrame:(CGRect)superViewFrame
{
self = [super initWithFrame:frame];
if (self) {
// Initializ...
Convert HTML string to Plane NSString
Hi Friends, Sometime in API responses we get html strings. To get pure string from html string this code will help you.
NSString *htmlStr = @"html String";
NSData *data = [htmlStr dataUsingEncoding:NSUTF8StringEncoding];
NSDict...
How to detect screenshot taken by user in iPhone.
With the help of the notification "UIApplicationUserDidTakeScreenshotNotification" in our application we can detect the screenshot taken from iPhone.
Use the following line of code to generate notification for same.
[[NSNotificationCenter def...
URL encoding in ios
Hello all, I was facing problem with loading URL in UIWebVIew because of wrong encoding method. After that I tried this code. It helped me.
- (NSString*)encodeURL:(NSString *)string
{
NSString *newString = NSMakeCollectable([(NSString *...
Customize commit editing style delete button in UITableViewCell
Hello All,
Following lines of code will customize the delete button in UITableView editing style. This is an override method of UITableViewCell which is called when UITableView goes in editing mode. So to customize the delete button in UITable...
How to pass the method name as argument string
Sometime we don't know name of the method at compile time. So pass the method name as argument and use the following lines of code.
NSString *methodname=@"calltest";
SEL aSelector = NSSelectorFromString(methodname);
NSInvocation *inv = [NS...
Open CSV and PDF file in your application
Add following line of code in your Plist file to open CSV and PDF file in your application. Please note that UTTypeIdentifier should be unique.
<key>CFBundleDocumentTypes</key>
<array>
<dict>
...
Custom right bar button in UINavigationBar
Hello friends,This code is to make custom right bar button in UINavigation bar. it helped me to make custom right bar button in UINavigation bar, Hope this will help you too.
UIButton *homeButton = [UIButton buttonWithType:UIButtonTypeCustom...
Detect device orientation and set UI according to orientation dynamically.
Hello Friends, these lines of code will help you to detect device orientation and set UI dynamically according to orientation.
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
NSLog(@"rotate");...
Load url in UIWebView.
Hello All, Following lines of code will help you to load url in UIWebView and make it fit to IPhone screen.
In .h file
IBOutlet UIWebView *webView;
In .m file
[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@...
Play videos sequentially using MPMoviePlayerController
Hello All, Sometime we want to play all videos of gallery sequentially. These lines of code will help you to play videos sequentially using MPMoviePlayerController.it worked for me.
In .h file..
MPMoviePlayerController *moviePlayer;
in...
To check that internet is available or not.
Hi Friends, sometimes we face problem in internet connectivity, With the following lines of code we can check whether we are connected to internet or not.
- (BOOL)isNetworkAvailable
{
CFNetDiagnosticRef dReference;
dReference = CFNe...
Draw a route between two annotation point on MKMapView
The following lines of code helped me to draw a route between two Annotation point in MKMapView
Hope this will help you in your coding
CSRouteAnnotation* routeAnnotation = (CSRouteAnnotation*)self.routeView.annotation;
// only draw o...
How to encode and decode NSString
Following method will encode and decode NSString. Characters to leave unescaped (NULL = all escaped sequences are replaced).
- (NSString *)URLEncodedString {
CFStringRef url = CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (...
How to get sorted NSArray of date for NSDictionary.
With the help of following code you can sort the given dictionary containing key as Date.
@implementation NSMutableDictionary (SortingNSMutableDictionary)
-(NSArray *)getAllSortedKeys{
NSMutableArray *array = [NSMutableArray arrayWithA...
How to check the Network availability for 3G and 4G connection
Following code will help in you to check the network availability for 3G and 4G connection
const char *host_name = "google.com";
BOOL _isDataSourceAvailable = NO;
Boolean success;
//Creates a reachability reference to ...
Passing extra data with push notification
Sometime we do need to send additional data while sending Push-notification on iPhone , this can be easily achieved by adding following line to your code. But one should keep in mind that apple does have a limitation of 144 character while sendin...
How to create dynamic UITableViewCell for Chat
Following code will help you to create dynamic UITableViewCell w.r.t to its content of message.
-(void)setChatData:(ChatMessage *)messageObj memberDict:(NSDictionary *)memberDict isCurrentUser:(BOOL)isCurrentUser{
NSDictionary *user...
How to add Twitter account in your iPhone
The following code will help you to create your twitter account in your iPhone through coding. Also please note this code will only run in ios7 or later.
-(void)createTwitterAccount{
ACAccountStore *store = [[ACAccountStore alloc]init]...
How to calculate distance from CLLocationCoordinate2D
Using the following code we can calculate the distance between two CLLocationCoordinate2D.
+(double)calculateDistance:(CLLocationCoordinate2D) f to: (CLLocationCoordinate2D) t
{
// CLLocation *locA = [[CLLocation alloc] initWithLati...
Tabbar Customization
Snippet works all around to customize the tabbar icons & texts display color for selected and unselected state for iOS7
self.tabbarController.tabBar.tintColor = [UIColor greenColor];
Below code can be used to customize the text look.
...
How to save or delete caf file from NSDocumentDirectory
Follow these two methods to save or delete your .caf file from NSDocumentDirectory.
-(NSString *)saveFileWithOldName:(NSString*)oldNameStr
{
NSArray *dirPaths;
NSString *docsDirs;
NSString *tempStr2;
dirPaths = NSSearchPa...
How to register your app on facebook
Please follow these simple step to register your app on facebook
Open Developer account from your Facebook.
Select "Create App" you'll be directed to a page where number of options will be available at the top bar.
One can reach there by j...
Fetch All Notifications
Snippet to fetch all local notifications of the app. One can customize any notification and cancel the same.
UIApplication *app = [UIApplication sharedApplication];
NSArray *eventArray = [app scheduledLocalNotifications];
for (int ...
How to display phone book contacts in iphone through coding
The following code will present viewController which will show all the contacts of phone book
Please do add Addressbook.framework in your code. Also import AddressBookUI file to use the following code.
ABPeoplePickerNavigationController *pic...
How to save file in document dicretory
Following code will help you to add or delete file from document directory.
-(NSString *)saveFileWithOldName:(NSString*)oldNameStr
{
NSArray *dirPaths;
NSString *docsDirs;
NSString *tempStr2;
dirPaths = NSSearchPathForDire...
How to get Cookies from UIWebview
The following code will get the cookies form the sever and will store in the array.
Get the appropriate cookie from the array by its name.
- (void)webViewDidFinishLoad:(UIWebView *)webView {
NSHTTPCookieStorage *storage = [NSHTTPCookie...
How to validate that string is email address or not.
During User registration it is very necessary to check that entered email id is valid or not. To check that following code will help you.
- (BOOL)validateEmailWithString:(NSString*)email
{
NSString *emailRegex = @"[A-Z0-9a-z._%+-...
How to use search bar in UITableView
This is very helpful, if you want to use search functionality on UITableView.
Code for ViewController.h
@interface ViewController : UIViewController<UISearchBarDelegate,UITableViewDataSource,UITableViewDelegate,UISearchDisplayDelegate&g...
How to save and access value from NSUserDefaults
NSUserDefaults is very useful, if you want to save less data and want to access that data whenever you open the application. This data does not delete even after closing the app.
To save data in NSUserDefaults
NSUserDefaults *usr = [NSUser...
To perform a real-time capture
To perform a real-time capture, a client may instantiate AVCaptureSession and add appropriate
AVCaptureInputs, such as AVCaptureDeviceInput, and outputs, such as AVCaptureMovieFileOutput.
[AVCaptureSession startRunning] starts the flow ...
Some necessary information to publish the application to app store
To submit an application to the App Store, you need to create an iOS provisioning profile for distribution (App should be signed with these certificate) for that you have to be a member of the iOS Developer Program.
Note: iTunes Connect does n...
How to handle UIPanGestureRecognizer and moving your all images w.r.t moving image.
The following code help your image to move using UIPanGestureRecognizer. While moving your selected image other images set there location automatically.
-(void)addImageToScrollView
{
float x=5,y=40,width = 100,height = 100,spaceH = 5...
Create audio file manually
We often come across conditions where manual audio file is to be created.
For example recording an audio or download audio data from server. These all need audio file in which data is to be populated.
Below, I'm creating an sound.caf file and...
