如何在IOS中获得可用内存？

Question

  

可能重复：
  How to get information about free memory and running processes in an App Store approved app? (Yes, there is one!)

如何在IOS中获取可用内存？我不知道..

我用谷歌搜索，然后我知道如何在虚拟机中获取物理内存，用户内存和使用的内存，免费内存。

但是。内存大小不同，设置 - ＆gt;一般 - ＆gt;关于 - ＆gt; Avaliable。

我想知道＆＃34; Avaliable＆＃34;在设置中。

祝你有个愉快的一天。

Answer 1

几个月前在这里发现了这个，不记得最初发布的人。这是你在找什么？

- (uint64_t)freeDiskspace
{
uint64_t totalSpace = 0;
uint64_t totalFreeSpace = 0;

__autoreleasing NSError *error = nil;  
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);  
NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths lastObject] error: &error];  

if (dictionary) {  
    NSNumber *fileSystemSizeInBytes = [dictionary objectForKey: NSFileSystemSize];  
    NSNumber *freeFileSystemSizeInBytes = [dictionary objectForKey:NSFileSystemFreeSize];
    totalSpace = [fileSystemSizeInBytes unsignedLongLongValue];
    totalFreeSpace = [freeFileSystemSizeInBytes unsignedLongLongValue];
    NSLog(@"Memory Capacity of %llu MiB with %llu MiB Free memory available.", ((totalSpace/1024ll)/1024ll), ((totalFreeSpace/1024ll)/1024ll));
   } else {  
    NSLog(@"Error Obtaining System Memory Info: Domain = %@, Code = %@", [error domain], [error code]);  
}  

return totalFreeSpace;
}