2014/10/15 下午 10:04:31

iphone Programming Glossary: balance

http://stackoverflow.com/questions/1020944/convert-png-to-pvrtc-on-the-iphone

It is generally best to go through all of your images and make decisions regarding how to best package the image to balance memory conservation and quality for all users not just under specific restricted memory situations. A few things to consider.. the graphics card with minimal impact on image quality by carefully choosing a pixel format which corresponds to the balance of colors in the original image. Additionally for OpenGL based programs avoid individual images 320x480 for backgrounds..

Change the ISO or shutter speed

http://stackoverflow.com/questions/10347515/change-the-iso-or-shutter-speed

You unfortunately have very little control over the iPhone camera. You can only lock or unlock the exposure white balance and focus modes. Camera actually does not have control over anything you described. It used to be able to as it hacked the..

UIWebView didFinishLoading fires multiple times

http://stackoverflow.com/questions/1842370/uiwebview-didfinishloading-fires-multiple-times

you're seeing is due to redirects or as mentioned ajax calls within a loaded page. But you at least should be able balance calls to shouldStartLoad and either of the other two delegate functions and be able to determine when the loading is finished...

What exactly must I do in viewDidUnload?

http://stackoverflow.com/questions/2261972/what-exactly-must-i-do-in-viewdidunload

someone can clear up the confusion. iphone memory management share improve this question The intent here is to balance out your subview management. Anything that you create in viewDidLoad should be released in viewDidUnload . This makes it..

Suspend the application

http://stackoverflow.com/questions/5360846/suspend-the-application

it 䏭 usually a mistake for the app to take decision making away from the user. The best apps find the correct balance between giving people the capabilities they need while helping them avoid dangerous outcomes. Users feel more in control..

How can I get autofocus to work in a second AVCaptureSession without recreating the sessions?

http://stackoverflow.com/questions/5427561/how-can-i-get-autofocus-to-work-in-a-second-avcapturesession-without-recreating

either session would be able to auto focus when started after the other one is stopped in the same way the auto white balance and auto exposure work for both sessions. If you observe the log window with the sample code below you can see the key value..

how to do true deep copy for NSArray and NSDictionary with have nested arrays/dictionary?

http://stackoverflow.com/questions/5453481/how-to-do-true-deep-copy-for-nsarray-and-nsdictionary-with-have-nested-arrays-di

ret NSArray arrayWithObjects cArray count count retain The newly created array retained these so now we need to balance the above copies for unsigned int i 0 i count i cArray i release return ret NSMutableArray mutableDeepCopy unsigned int.. ret NSMutableArray arrayWithObjects cArray count count retain The newly created array retained these so now we need to balance the above copies for unsigned int i 0 i count i cArray i release return ret @end @implementation NSDictionary SPDeepCopy.. cObjects forKeys cKeys count count retain The newly created dictionary retained these so now we need to balance the above copies for unsigned int i 0 i count i cObjects i release cKeys i release return ret NSMutableDictionary mutableDeepCopy..

If you have an IBOutlet, but not a property, is it retained or not?

http://stackoverflow.com/questions/5523290/if-you-have-an-iboutlet-but-not-a-property-is-it-retained-or-not

assume from the shoddy docu in that situation you get specifically Retain Autorelease Retain leading to one retain on balance. So that's the answer. I will post the demo project. I also direct any readers to Jonah's answer below which flawlessly..

Why does this create a memory leak (iPhone)?

http://stackoverflow.com/questions/612986/why-does-this-create-a-memory-leak-iphone

new which is basically equivalent to NSObject alloc init then you own the object that is returned and you must balance your acquisition of ownership with a release . In all other cases you do not own the object returned from a method. If you..

Interface Builder (XIB) or Code when merging in a team environment?

http://stackoverflow.com/questions/7456881/interface-builder-xib-or-code-when-merging-in-a-team-environment

e.g. where's that action really set . Of course this can also be used to achieve what some would consider a good balance of XIB and programmatic separation. The simpler the XIB is the less often it will need to be adjusted and less likely it..

Image Manipulation Filter like white Balance, Exposure, split Tone etc on IOS

http://stackoverflow.com/questions/7920015/image-manipulation-filter-like-white-balance-exposure-split-tone-etc-on-ios

the author of ios image filters I can tell you that our project has a levels method that you can use to modify white balance. It is implemented as a category on UIImage and mimics Photoshop filters so calling it is as straightforward as self.imageView.image..

What options are available to accept credit card payments through an iPhone? [closed]

http://stackoverflow.com/questions/805324/what-options-are-available-to-accept-credit-card-payments-through-an-iphone

site beforehand pay with their credit card and then have the iPhone interact with my database to get their available balance the amount they charged through the web iphone security authorization payment gateway credit card share improve this..

Does UIView's addSubview really retain the view?

http://stackoverflow.com/questions/937767/does-uiviews-addsubview-really-retain-the-view

TestViewController alloc initWithNibName @ TestView bundle NSBundle mainBundle You need to autorelease to balance out your retain releases by self.testViewController TestViewController alloc initWithNibName @ TestView bundle NSBundle..