Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Mobile Development Articles
Page 148 of 156
How to compare two NSDates in iPhone/iOS?
In this article we'll see how to compare two NSDates in swift. First of all we'll need to create two NSDates.We'll do it in playground instead of simulator this time.First Let's create two different dates.let dateOne = NSDateComponents() dateOne.day = 5 dateOne.month = 6 dateOne.year = 1993 let dateTwo = NSDateComponents() dateTwo.day = 4 dateTwo.month = 2 dateTwo.year = 1995Using these date components we'll create dates and then compare themlet cal = NSCalendar.current let FirstDate = cal.date(from: dateOne as DateComponents) let secondDate = cal.date(from: dateTwo as DateComponents)Now to compare them we'll use a if condition.if secondDate!.compare(firstDate!) == .orderedAscending { ...
Read MoreWhat is difference between UITableViewController and UIViewController?
UItableViewController and UIViewController are two different objects of iOS UIKit framework. Both are used for different purpose.A UIViewController class manages a ViewContoller which is responsible for actions that happen within that View controller. This class is aware of actions that happen on view controller, like ViewDidLoad, ViewWillApper, ViewDidAppear, ViewWillDisapper, ViewDidDisapper.Whereas, A UITableViewController is responsible for managing a table, it's data and it's events using UITableViewDataSource, UITableViewDelegate.A UITableViewController conforms to UIViewController, UITableViewDataSource and UITableViewDelegate to implement table view.Below is an example of a class implementing UIViewController.class ViewController : UIViewController { @IBOutlet weak var sampleView: UIView! ...
Read MoreHow to set background for Navigation Bar in iOS?
To set the background color for a navigation bar we can either do it programmatically or through the storyboard if it is on storyboard.Method 1Let's see how to change the background color of a navigation bar through the storyboard editor.Create a new project, select it's view controller and embed in navigation controller.Select the navigation bar and go to It's attribute inspector.This is how it looks in the Xcode 10. You can select the tint color from there and it will be changed for the navigation controller.Method 2Programmatically changing the navigation background.To programmatically change it, go to the view controller and ...
Read MoreHow to insert new cell into UITableView using Swift?
To insert a new cell into UITableView we'll first have to create a table view cell and then add it to the table view using Cell for row at method of Table view.We can create a cell using Storyboard or by creating a nib of class UITableViewCell.In the View controller drag and drop a table view and connect it's outlet to the ViewController class.Let's create a cell in the table view we just created and create it's class, call it CustomCell, and assign the class to cell.Give it an identifier "CustomCell"Add a label in the cell and change it to ...
Read MoreHow to set Adapter to Auto Complete Text view?
Before getting into an example, we should know what is autocomplete textview in android. Autocomplete textview is just like an edit text and it is a subclass of editext, but it is going to show suggestion from a list as a dropdown list. We have to set up Threshold value to auto-complete text view. for example, we have set it up Threshold as 1 so if user enters one letter is going to give suggestion according to Threshold letter.This example demonstrates about how to set up an adapter to auto-complete Textview.Step 1 − Create a new project in Android Studio, ...
Read MoreHow do I use tabHost for Android?
Before getting into example we should know what is tab host in android. Tab host holds set of tabs. Each tab contains either fragment or activity as per project specification. The user can scroll tabs from left to right or right to left.This example demonstrates how to use tab host in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ...
Read MoreHow to use android date change listener ?
Before getting into the example, we should know what is date picker and how does it work in android. The date picker is a subclass of frame layout and it allows to select the date, month and year.This example demonstrates how to use android date change listener.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code, we have declare date picker to select the date. when you select the ...
Read MoreHow to change package name in android?
Here are the simple steps to change the package name in android .Click on your pack name(in source tree). -> Right Click --> Refractor -> Rename as shown below -Click on rename, it will show pop up as shown below -Click on Rename package, it will show new pop up as shown below -Now change the name as per requirement and click on refractor as shown below -Now it will check all files and asks for refractor as shown below -In the below of Android studio, there is "do Refractor button". click on it. Now open your build.gradle as shown ...
Read MoreHow can I make my layout scroll vertically in Android?
Before getting into example, we should know what is vertical Scroll View(Scroll View). Vertical Scroll view provide by android.widget.ScrollView class. It is used to scroll child views in a vertical direction.This example demonstrates how to use Vertical Scroll view.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ...
Read MoreHow to implement HorizontalScrollView like Gallery in Android?
Before getting into an example, we should know what is Horizontal Scroll View. Horizontal Scrollview provides by android.widget.HorizontalScrollView class. It is used to scroll child views in a horizontal direction.This example demonstrates how to use horizontal Scroll view.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ...
Read More