iOS 保存多张bundle里面的图片到相册

//
//  EncodeViewController.m
//  demoGifLib
//
//  Created by soleilpqd on 10/28/12.
//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//

#import "EncodeViewController.h"
#import 
#import 
#import 

@interface EncodeViewController() {
    NSArray *_items;
    UIView *_vwLock;
    UIActivityIndicatorView *_indicator;
    
    ALAssetsLibrary *_assetsLibrary;
}

@property(nonatomic, strong)NSMutableArray *listImages;
@property(nonatomic, strong)NSArray *items;

- ( void )showLockView;
- ( void )dismissLockView;

@end

@implementation EncodeViewController

- ( void )showLockView {
    if ( _vwLock == nil ) {
        _vwLock = [[ UIView alloc ] initWithFrame:self.view.bounds ];
        _indicator = [[ UIActivityIndicatorView alloc ] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge ];
        _vwLock.backgroundColor = [[ UIColor blackColor ] colorWithAlphaComponent:0.5 ];
        _indicator.center = CGPointMake( _vwLock.bounds.size.width / 2, _vwLock.bounds.size.height / 2 );
        [ _vwLock addSubview:_indicator ];
    }
    [ self.view addSubview:_vwLock ];
    [ _indicator startAnimating ];
}

- ( void )dismissLockView {
    [ _vwLock removeFromSuperview ];
    [ _indicator stopAnimating ];
}

- (id)initWithStyle:(UITableViewStyle)style
{
    self = [super initWithStyle:style];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
    
    // Release any cached data, images, etc that aren't in use.
}

#pragma mark - View lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    _items = [[ NSFileManager defaultManager ] contentsOfDirectoryAtPath:[[[ NSBundle mainBundle ] bundlePath ] stringByAppendingPathComponent:@"frames" ]
                                                                    error:NULL ];
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    return UIInterfaceOrientationIsPortrait( interfaceOrientation );
}

- ( void )dealloc {
//    [ _items release ];
//    if ( _vwLock ) {
//        [ _vwLock release ];
//        [ _indicator release ];
//    }
//    [ super dealloc ];
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return _items.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    }
    NSString *s = [ _items objectAtIndex:indexPath.row ];
    cell.textLabel.text = s.stringByDeletingPathExtension;
    NSBundle *bundle = [ NSBundle bundleWithPath:[[[ NSBundle mainBundle ] bundlePath ] stringByAppendingFormat:@"/frames/%@", s ]];
    cell.imageView.image = [ UIImage imageWithContentsOfFile:[ bundle pathForResource:@"0" ofType:@"png" ]];
    
    return cell;
}

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [ tableView deselectRowAtIndexPath:indexPath animated:YES ];
    NSString *s = [ _items objectAtIndex:indexPath.row ];
    NSBundle *bundle = [ NSBundle bundleWithPath:[[[ NSBundle mainBundle ] bundlePath ] stringByAppendingFormat:@"/frames/%@", s ]];
    NSArray *arr = [[ NSFileManager defaultManager ] contentsOfDirectoryAtPath:bundle.bundlePath
                                                                         error:NULL ];
    UIAlertView *alert = [[ UIAlertView alloc ] initWithTitle:@"Encode confirm"
                                                      message:[ NSString stringWithFormat:@"Encode %i frames of "%@"?", arr.count, s.stringByDeletingPathExtension ]
                                                     delegate:self
                                            cancelButtonTitle:@"Cancel"
                                            otherButtonTitles:@"OK", nil ];
    alert.tag = indexPath.row;
    [ alert show ];
//    [ alert release ];
}

- ( void )alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
    if ( buttonIndex ) {
        [ self showLockView ];
        [ self performSelectorInBackground:@selector( startEncodeWithBundleName: )
                                withObject:[ _items objectAtIndex:alertView.tag ]];
    }
}

- (NSArray *)findGIFImageInNormal:(NSString *)gifName
{
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    
    NSString *documentsDirectory = [paths objectAtIndex:0];
    //    NSString *strFile = [documentsDirectory stringByAppendingPathComponent:@"hello/config.plist"];
    //    NSLog(@"strFile: %@", strFile);
    
    NSString *strPath = [documentsDirectory stringByAppendingPathComponent:@"Normal"];
    if (![[NSFileManager defaultManager] fileExistsAtPath:strPath]) {
        NSLog(@"there is no Directory: %@",strPath);
        //        [[NSFileManager defaultManager] createDirectoryAtPath:strPath withIntermediateDirectories:YES attributes:nil error:nil];
    }
    
    //取得当前目录下的全部文件
    //    NSFileManager *fileManage = [NSFileManager defaultManager];
    //    NSArray *file = [fileManage subpathsOfDirectoryAtPath:strPath error:nil];
    //    NSArray *file = [self getFilenamelistOfType:@"png" fromDirPath:strPath];
    NSArray *file = [self getFilenamelistOfType:@"png" fromDirPath:strPath GIFName:gifName];
    //    NSLog(@"the file is %@", file);
    return file;
    
}

-(NSArray *) getFilenamelistOfType:(NSString *)type fromDirPath:(NSString *)dirPath GIFName:(NSString *)gifName
{
    NSArray *tempList = [[[NSFileManager defaultManager] contentsOfDirectoryAtPath:dirPath error:nil]
                         pathsMatchingExtensions:[NSArray arrayWithObject:type]];
    NSMutableArray *fileList = [NSMutableArray array];
    for (NSString *fileName in tempList) {
        //       NSString *name = [[fileName componentsSeparatedByString:@"."] objectAtIndex:0];
        //        if ([fileName isEqualToString:gifName] ) {
                    [fileList removeObject:fileName];
        //            [fileList addObject:fileName];
        //        }
        if ([fileName rangeOfString:gifName].location != NSNotFound) {
            //        if ([fileName rangeOfString:gifName] ) {
            //            [fileList removeObject:fileName];
            [fileList addObject:fileName];
        }
        
        //        NSLog(@"fileName is %@", name);
    }
    tempList = nil;
    
    //    //block比较方法，数组中可以是NSInteger，NSString（需要转换）
    //    NSComparator finderSort = ^(id string1,id string2){
    //
    //        if ([string1 integerValue] > [string2 integerValue]) {
    //            return (NSComparisonResult)NSOrderedDescending;
    //        }else if ([string1 integerValue]  0) {
        UIImage *image = [_listImages objectAtIndex:0];
        //        UIImageWriteToSavedPhotosAlbum(image, self, @selector(savedPhotoImage:didFinishSavingWithError:contextInfo:), nil);
        NSLog(@"the remain image count is %lu", (unsigned long)_listImages.count);
        
        [_assetsLibrary writeImageToSavedPhotosAlbum:[image CGImage] orientation:(ALAssetOrientation)image.imageOrientation completionBlock:^(NSURL *assetURL, NSError *error) {
            if (error) {
                NSLog(@"%@", [error description]);
                NSLog(@"Save image fail：%@",error);
            }else{
                NSLog(@"Save image succeed.");
                [_listImages removeObjectAtIndex:0];
                NSLog(@"one image saved");
                [self saveNext];
            }
        }];
        
    }
    else {
        [self allDone];
    }
}

-(void) savedPhotoImage:(UIImage*)image didFinishSavingWithError: (NSError *)error contextInfo: (void *)contextInfo {
    if (error) {
        //NSLog(@"%@", error.localizedDescription);
        //        [error description]
        NSLog(@"%@", [error description]);
    }
    else {
        [_listImages removeObjectAtIndex:0];
        NSLog(@"one image saved");
    }
    [self saveNext];
}

- (void)allDone
{
    NSLog(@"allDone --###");
}

- ( void )showError:( int )errCode {
    UIAlertView *alert = [[ UIAlertView alloc ] initWithTitle:@"Error while encode"
                                                      message:[ giflib_ios getErrorDescription:errCode ]
                                                     delegate:nil
                                            cancelButtonTitle:@"Cancel"
                                            otherButtonTitles:nil ];
    [ alert show ];
//    [ alert release ];
    [ self performSelectorOnMainThread:@selector( dismissLockView )
                            withObject:nil
                         waitUntilDone:NO ];
}

@end