There is the NSNotificationCenter. That’s probably what you’re looking for. I suggest searching on that in the Xcode docs. If that’s not what you’re looking for then you are going to have to be more specific. 1 solved How can i catch the System OS Notification in iOS [closed]
I would check the last modified field in the HTTP header. The steps would be as follows : Check the current modified field for a webpage. Store that date into a variable or persist it somewhere. At a future date check the webpage’s last modified field once more. Compare the old value to the new … Read more
First of all the parameters red,green, blue and alpha must be in range from 0.0 to 1.0 Secondly, you must pass the cgColor to CGLayer, e.g. let color = UIColor(red: 57.0/255.0, green: 65.0/255.0, blue: 101.0/255.0, alpha: 1) shapeLayer.fillColor = color.cgColor shapeLayer.strokeColor = color.cgColor solved Using UIColor with CAShapeLayer
Auto Layout dynamically calculates the size and position of all the views in your view hierarchy, based on constraints placed on those views. For example, you can constrain a button so that it is horizontally centered with an Image view and so that the button’s top edge always remains 8 points below the image’s bottom. … Read more
Ok i figured it out. So i am answering that for anyone who’s tackling the same problem. I have used Both, Outlet Collection and Tags. I used tags with same number for grouping. And used the Outlet collection to loop on all buttons which are related to the chosen tag. Thank you solved Grouping of … Read more
Yes, you can check this value on your vc1 viewwillappear, and present modal from your vc1, i guess you want a present a pin lock view controller. And after the check in vc2, you dismiss this one. 2 solved Programmatically Make First Screen
I think it creates or pointing out different controller segue on which you’re moving too. you should try following method: – (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { // Get the new view controller using [segue destinationViewController]. // Pass the selected object to the new view controller. } If you want to check than just you can check … Read more
There is a native API for this called NSJSONSerialization. This will serialise and deserialise JSON. 3 solved iOS library serialize/deserialize JSON [closed]
Thank you for your concern,finally i got the solution that i was looking for,the mistake i did was i added a scrollview to the view and later added buttons to the scrollview which resulted a malfunction,instead i added a second view to the scrollview and added buttons to the second view and finally it worked. … Read more
This is kind of a complex question for being only one sentence. But I’ll give it a go: You need to have an app itself. When a user downloads the app, you need to get the user’s location. You then need to upload the user’s location to a server. Likely, you’d do something like a … Read more
You can write the backend yourself using any language or if you just want to focus on doing Android and iOS apps then you can also use third party solutions like Firebase. solved What code should I use to manage a database connected with an android/apple app? [closed]
Implement UITextFieldDelegate – (void)textFieldDidBeginEditing:(UITextField *)textField{ if(textField == firstTextFeild){ //Create secondTextFeild. } } 1 solved Dynamic UITextField creation [closed]
do Directly as let Media_list = jsonData[“staffData”] as? NSDictionary let dataurl = Media_list[“url”] as? String 2 solved Json data is not parsing in swift3 [duplicate]
There’s a lot of examples if you search for it… Example, Apple Developers https://developer.apple.com/library/ios/samplecode/PhotoPicker/Introduction/Intro.html Another one http://www.appcoda.com/ios-programming-camera-iphone-app/ I. solved I want to Display local Images in Image Picker Controller from my project folder. [closed]
Get an arduino board and a relay capable of switching a 12v circuit. Also get a wifi / bluetooth add on board so you can communicate with the arduino from your smartphone platform of choice. Here is an example of an arduinos capability, this particular example is using bluetooth. solved How to get a smartphone … Read more