The following list of questions and answers may help you to clear iOS/iPhone interviews. iOS Questions for Beginers * Q: How would you create your own custom view? A: By Subclassing the UIView class. * Q: Whats fast enumeration? A: Fast enumeration is a language feature that allows you to enumerate over
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Apple warrants the Apple-branded hardware product and accessories contained in the original packaging (“Apple Product”) against defects in materials and workmanship when used normally in accordance with Apple’s published guidelines for a period of ONE (1) YEAR from the date of original retail purchase by the end-user purchaser (“Warranty Period”). Apple’s published guidelines include but
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We can open system applications or other iOS apps from our iOS application code. in order to do this we need to use a technique called URL schemes we can create our own URL schemes. How to check whether the app is installed in iOS device or not Sometimes you may want to check if
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How to make xcode faster Buying more memory. Disable indexing if you are building out huge projects in Xcode. This can halve Xcode’s memory consumption. Running Xcode in 32 bit. This is not an option for everyone, because it will exceed 4 GB in larger projects. Reduce the number of build processes (again). Restarting Xcode often (It
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What is IPA file ? An .ipa file is an iPhone application archive file which stores an iPhone app. It is usually encrypted with Apple’s FairPlay DRM technology. Each .ipa file is compressed with a binary for the ARM architecture and can only be installed on an iPhone, iPod Touch, or iPad. Files with the
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One of the best tool for debugging memory problems in iOS is NSZombie. What is NSZombies: It’s a memory debugging aid. Specifically, when you set NSZombieEnabled then whenever an object reaches retain count 0, rather than begin deallocated it morphs itself into an NSZombie instance. Whenever such a zombie receives a message, it logs a
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