iOS interview questions and anwsers.

Que : 1	How to edit iPhone code
Answers :	The main tool you use to write your code is the Xcode text editor. This advanced text editor provides several convenient features: Header-file lookup. By...More Details answers
Que : 2	Is code completion is active by default in iPhone development?
Answers :	Code completion is not active by default. To activate code completion:    1. Open the Xcode Preferences window.              Choose...More Details answers
Que : 3	How to register as a iPhone developer?
Answers :	1. Open your favorite web browser and go to http://developer.apple.com/iphone/program. 2. Scroll to the bottom of the page and click “Download the Free SDK”. 3. Click...More Details answers
Que : 4	How to download Xcode for iPhone development?
Answers :	1. Double click the DMG and you will be presented with a window containing the Xcode installation package. 2. Double click iPhone SDK. 3. Follow the installation instructions. The...More Details answers
Que : 5	How to run Xcode and other tools with the iphone SDK?
Answers :	To run Xcode and other tools that come with the iPhone SDK: 1. Double-click “Macintosh HD” on your desktop. 2. Double-click “Developer” 3. Double-click...More Details answers
Que : 6	How to registering your device with the program portal for iPhone development?
Answers :	To register your development device with the portal: 1. Launch Xcode. 2. Choose Window > Organizer to open the Organizer...More Details answers
Que : 7	How to set your application ID after becoming a member of iPhone developer program?
Answers :	After becoming a member of the iPhone Developer Program you must set your application ID in the Program Portal. iPhone OS uses application IDs to identify the applications you...More Details answers
Que : 8	What are the steps you must follow to configure your computer and development device for iPhone development?
Answers :	1. Specify your application ID. 2. Register your device with the Program Portal. 3. Install iPhone OS on your...More Details answers
Que : 9	How to measure your application's performance on an iphone device?
Answers :	1. Build and run your application on the device as described in "Running Applications" 2. Launch Instruments. The Instruments application is located at...More Details answers
Que : 10	How to add an iPhone OS user to your team as a tester?
Answers :	To add an iPhone OS user to your team as a tester? 1. Obtain the tester’s device ID. The easiest way to obtain this information is through email. Have your tester follow the...More Details answers
Que : 11	How to install an iPhone application for testing?
Answers :	After being successfully registered in a developer’s testing program, the developer sends you an archive containing two files: the application and a provisioning profile. You need to install...More Details answers
Que : 12	How to send your device ID to an iPhone developer?
Answers :	Before a developer can send you an application for testing, they must register your device with Apple under their application-testing program. To send your device ID to a developer for...More Details answers
Que : 13	In iPhone development how to import the private key into your keychain?
Answers :	To import the private key into your keychain: a. Launch Keychain Access. b. Choose File > Import Items. c. Choose the private key file to import.
Que : 14	How to generate a protected disk image containing your CSR,private key and development certificate in iPhone development?
Answers :	To generate a protected disk image containing your CSR, private key, and development certificate: 1. Place your CSR, private key, and development certificate file in a newly created...More Details answers
Que : 15	How to export your private key from your keychain in iPhone development?
Answers :	To export your private key from your keychain: 1. Launch Keychain Access. 2. In the category list, select Keys. 3. Select the private key you use for iPhone...More Details answers