沙盒的应用

//

//  ViewController.m

//  SandBox

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    //获取home目录

    NSString *home=NSHomeDirectory();

    NSLog(@"home=%@",home);

    

    //获取document目录

    NSArray *documentPath=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSLog(@"document=%@",documentPath[0]);

    NSArray *a=NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);

   

   

     NSLog(@"library=%@",a[0]);

    

    

    //获取缓存

    NSArray *cache=NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);

     NSLog(@"cache=%@",cache[0]);

    //通过NSUserDefaults  获取preferences目录

    //获取tmp目录

    NSString *temp=NSTemporaryDirectory();

    NSLog(@"tem=%@",temp);

    

}

@end

//  ViewController.m

//  sandBox-文件枚举

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    //1,应用程序包的路径

    NSBundle *boundle=[NSBundle mainBundle];

    //获取应用程序包的路径

    NSString *path=[boundle bundlePath];

    //2,枚举所有文件

    NSFileManager *fm=[NSFileManager defaultManager];

    NSError *error=nil;

   NSArray *allFiles= [fm contentsOfDirectoryAtPath:path error:&error];

    if (error!=nil) {

        NSLog(@"error:%@",error.description);

    }

    else

    {

        NSLog(@"%@",allFiles);

    }

    //3,找出所有的图片文件

    NSMutableArray *images=[NSMutableArray array];

    [allFiles enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

        

        NSString *file=(NSString *)obj;

        if ([[file pathExtension] isEqualToString:@"png"]) {

            if (![file hasPrefix:@"launchImage"]) {

                

            

            NSString *appName=[file stringByDeletingLastPathComponent];

            NSDictionary *dic=@{@"appName":appName,@"appIcon":file};

            [images addObject:dic];

            }

        }

        

    }];

    NSLog(@"%@",images);

    

    //4，把NSArray写入plist文件

    NSString *document=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDirectory, YES)lastObject];

    NSString *plistFilezPath=[document stringByAppendingPathComponent:@"images.plist"];

    [images writeToFile:plistFilezPath atomically:YES];

    

    NSArray *allFiles2= [fm contentsOfDirectoryAtPath:path error:&error];

    if (error!=nil) {

        NSLog(@"error:%@",error.description);

    }

    else

    {

        NSLog(@"%@",allFiles2);

    }

}

@end