2014/10/15 下午 10:05:30

iphone Programming Glossary: consumption

What is the block size of the iphone filesystem?

http://stackoverflow.com/questions/1315311/what-is-the-block-size-of-the-iphone-filesystem

iphone filesystem Is it worth it for me to compress a 1000 byte file to a 300 byte file or will the filesystem space consumption be the same I'm looking at storing 10k less than 4k files on my iphone and I'm curious if I'll see space saving by compressing..

Another iPhone - CGBitmapContextCreateImage Leak

http://stackoverflow.com/questions/1434714/another-iphone-cgbitmapcontextcreateimage-leak

. After the changes run your code in Insturments with allocations and you should not see anymore perpetual memory consumption from malloc. As well if you use the class method imageWithCGImage you will not have to worry about autoreleasing your UIImage..

Communication between view controllers

http://stackoverflow.com/questions/1880033/communication-between-view-controllers

you implement viewDidLoad viewDidUnload and didReceiveMemoryWarning correctly I wouldn't worry too much about memory consumption of an array of view controllers. UITabBarController holds an array of subcontrollers too so there is nothing wrong with..

Periodic iOS background location updates

http://stackoverflow.com/questions/19042894/periodic-ios-background-location-updates

the locationManager hasn't been stopped backgroundTimeRemaining stays at its maximum value. This reduced battery consumption from ~10 per hour with constant kCLLocationAccuracyBest in the background to ~2 per hour on my device. share improve this..

Clear MKMapView's cache of tiles?

http://stackoverflow.com/questions/1917257/clear-mkmapviews-cache-of-tiles

it runs out of memory. Is there any way to force the map view to flush it's cache of tiles or contain it's memory consumption iphone memory management mapkit share improve this question NOTE This answer is only relevant to iOS 4.1 and lower...

Dim iPhone Screen, but don't let it sleep

http://stackoverflow.com/questions/1961783/dim-iphone-screen-but-dont-let-it-sleep

but undocumented APIs is to use them and see what happens. Failing that has anybody ever measured if the phone's power consumption goes down if it's showing a black image or does it not help unless you can turn down the backlight share improve this..

Measuring velocity via iPhone SDK

http://stackoverflow.com/questions/1994018/measuring-velocity-via-iphone-sdk

a speedometer . I know that you can do so via the CoreLocation API fairly easily but I am concerned about battery consumption since this is to be a real time measurement that could be used for up to a couple of hours at a time. My understanding is..

iPhone - dequeueReusableCellWithIdentifier usage

http://stackoverflow.com/questions/2928873/iphone-dequeuereusablecellwithidentifier-usage

it display whislt the method I use seems to favor speed as it keeps all calculated cells but can cause large memory consumption unless there's an inner limit to the queue . Am I wrong to use it this way Or is it just up to the developper depending..

MPMoviePlayerController still leaking

http://stackoverflow.com/questions/3384388/mpmovieplayercontroller-still-leaking

if I reallocate the object it doesn't leak more. My application actually uses a lot of media files and the memory consumption is high. I would like to free up completely the unneeded memory to avoid memory warnings. Movie player release player.initialPlaybackTime..

Understanding the memory consumption on iPhone

http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone

the memory consumption on iPhone I am working on a 2D iPhone game using OpenGL ES and I keep hitting the 24 MB memory limit 䆐𦅙y application keeps.. on memory usage What I have found so far I really am using that much memory. It is not easy to measure the real memory consumption but after a lot of counting I think the memory consumption is really that high. My fault. I found no easy way to measure.. that much memory. It is not easy to measure the real memory consumption but after a lot of counting I think the memory consumption is really that high. My fault. I found no easy way to measure the memory used. The Memory Monitor numbers are accurate these..

(iphone) UIImage memory management problem

http://stackoverflow.com/questions/4649695/iphone-uiimage-memory-management-problem

when instruments shows all allocations only 7mb Essentially I create destroy UIImage many times. Even if I make memory consumption at a time low using local NSAutoreleasePool iphone ipad device keeps complaining about memory usage. I'm thinking I should..

Problem while Working in background and Nstimer?

http://stackoverflow.com/questions/7190919/problem-while-working-in-background-and-nstimer

provide precise and continuous location information to the user it is best to use those services that minimize power consumption. Chief among these low power services is the significant location change service introduced in iOS 4. This service provides..

iPhone 4 profile power consumption (with instruments)

http://stackoverflow.com/questions/7715148/iphone-4-profile-power-consumption-with-instruments

4 profile power consumption with instruments I have an app that I added a lot of animation to. The app also used iPhone sleep preventer to play silent.. of animation to. The app also used iPhone sleep preventer to play silent audio. Since then I noticed that the battery consumption increased by up to 4 times I'd like to find a method to profile the power consumption I think I saw an option in Instruments.. then I noticed that the battery consumption increased by up to 4 times I'd like to find a method to profile the power consumption I think I saw an option in Instruments to find and eliminate the offending method s . Where would I start looking for information..