In this tutorial, we are going to see the different ways for connecting IBAction to UIButton. Let see this with an example that displays an alert message on the touch event of UiButton. Method 1 (Assistant Editor): Step 1: Drag and drop Round Rect Button from the Objects library on to Interface builder. Step 2: […]
How to add Android virtual device in eclipse
Android Virtual Device are used as simulator to test your Android application instead of using a real device. “No compatible targets were found” is the common message that you will receive while trying to run Android Application Project in eclipse. This occurs if there are no virtual device configured for testing the android apps. Now […]
Reduce the time taken for searching iOS documentation using Xcode
This tip is for iOS developers who want to reduce the time taken while searching iOS documentation using Xcode. Documentation under the Xcode organiser window by default shows information on OS X as well. If you are not a Mac developer then you can turn off the documentation related with OS X. Step 1: Launch […]
Variables in Objective-C
Objective-C also uses variables for storing data in memory like other programming languages. The variables are defined based on the type data type that will be stored. The general rule followed for naming variable are Use the camel case convention for variable i.e the first word in lowercase and second word in uppercase. For example […]
Create an example iOS Project using Xcode
We had already covered the basic overview of Xcode and now we are going see the steps required for creating an sample iOS Project that displays Welcome message on Xcode simulator. Topics Covered Create New Project using Xcode. Add label control to Interface Builder. Edit label to add Welcome message Choose simulator in Xcode. Compile, […]
NSLog datatype formatting option in Objective-C
NSLog in Objective-C is function call that is useful during debugging of a program. A typical NSLog example is NSLog(@” How to use NSLog”); The above statement prints the message ” How to use NSLog ” in console window. If you want to print the value of Objective-C variable or data type then you need […]
Different data types in Objective-C
Objective-C like any other programming languages has different data types like int, float, double, char and id. Data types are used for specifying the kind of data that is being stored in a variable. For example, the below code stores a single character to a variable “flag” char flag = ‘1’ Data type – char […]
XCode’s iOS Simulator for iPhone and iPad
iOS Simulator in Xcode can be used for testing iOS apps before trying the apps on a live device. Listed below are the different settings and features on iOS Simulator. Launching iOS Simulator iOS Simulator can be launched by executing Program on Xcode Run Program on Xcode : Keyboard Shortcut is Command + R, Menu […]