iOS开发利用ELCImagePicker第三方实现图片的多选

#import "ViewController.h"
#import "ELCImagePickerController.h"
#import <AssetsLibrary/AssetsLibrary.h>
#import <MobileCoreServices/UTCoreTypes.h>
@interface ViewController ()<UIActionSheetDelegate, UIImagePickerControllerDelegate,UINavigationControllerDelegate,ELCImagePickerControllerDelegate>
@property (nonatomic,strong) UIImageView *imageView;
@property (nonatomic,strong) UIImageView *imageView1;

@end

@implementation ViewController
- (UIImageView *)imageView
{
if (!_imageView) {
self.imageView = [[UIImageView alloc] initWithFrame:CGRectMake(100, 64 , 200, 200)];
//  [_imageView setContentMode:UIViewContentModeScaleAspectFit];
_imageView.layer.cornerRadius = 100;
_imageView.clipsToBounds = YES;
[self.view addSubview:_imageView];
}
return _imageView;
}
- (UIImageView *)imageView1
{
if (!_imageView1) {
self.imageView1 = [[UIImageView alloc] initWithFrame:CGRectMake(100, 364 , 200, 200)];
_imageView1.layer.cornerRadius = 100;
_imageView1.clipsToBounds = YES;
[self.view addSubview:_imageView1];
}
return _imageView1;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}

- (IBAction)selectPhoto:(id)sender
{
UIActionSheet *_sheet = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"打开照相机", @"从相册中获取", nil];
[_sheet showInView:self.view];

}
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{

switch (buttonIndex) {
case 0:
//选择照相机
[self takePhoto];
break;
case 1:
//选择相册
[self LocalPhoto];
break;
default:
break;
}
}

- (void)takePhoto
{
UIImagePickerControllerSourceType sourcType = UIImagePickerControllerSourceTypeCamera;
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
UIImagePickerController *picker = [[UIImagePickerController alloc]init];
picker.delegate = self;
picker.sourceType = sourcType;
[self presentViewController:picker animated:YES completion:^{

}];

}else{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"无法调取相机，请检查" delegate:nil cancelButtonTitle:nil otherButtonTitles:@"确定", nil];
[alert show];
return;
}

}

- (void)LocalPhoto
{
ELCImagePickerController *elcPicker = [[ELCImagePickerController alloc] initImagePicker];

elcPicker.maximumImagesCount = 9; //选择图像的最大数量设置为9
elcPicker.returnsOriginalImage = YES; //只返回fullScreenImage,不是fullResolutionImage
elcPicker.returnsImage = YES; //如果是的 返回UIimage。如果没有,只返回资产位置信息
elcPicker.onOrder = YES; //对多个图像选择、显示和返回的顺序选择图像
elcPicker.mediaTypes = @[(NSString *)kUTTypeImage]; //支持图片和电影类型

elcPicker.imagePickerDelegate = self;

[self presentViewController:elcPicker animated:YES completion:nil];

}

-(void)elcImagePickerControllerDidCancel:(ELCImagePickerController *)picker
{

}

//相册
- (void)elcImagePickerController:(ELCImagePickerController *)picker didFinishPickingMediaWithInfo:(NSArray *)info
{

NSMutableArray *array = [NSMutableArray array];
[array removeAllObjects];
[self dismissViewControllerAnimated:YES completion:nil];
NSLog(@"%@", info);
for (NSDictionary *dict in info) {
if ([dict objectForKey:UIImagePickerControllerMediaType] == ALAssetTypePhoto){
if ([dict objectForKey:UIImagePickerControllerOriginalImage]){
//把图片取出来放到数组里面
UIImage* image=[dict objectForKey:UIImagePickerControllerOriginalImage];
[array addObject:image];
}

}else {
// NSLog(@"UIImagePickerControllerReferenceURL = %@", dict);
}
}
self.imageView.image = array[0];
self.imageView1.image = array[1];

}

#pragma mark - 照片选择代理方法
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
// 1. 获取编辑后的照片
UIImage *image;
switch (picker.sourceType) {
case UIImagePickerControllerSourceTypeCamera:
image = info[@"UIImagePickerControllerOriginalImage"];
//将图片保存到相册
[self saveImageToPhotos:image];
break;
case UIImagePickerControllerSourceTypePhotoLibrary:
image = info[@"UIImagePickerControllerEditedImage"];
break;
default:
break;
}
// 2. 设置按钮的图像
self.imageView.image = image;

// 3. 关闭照片选择控制器
[self dismissViewControllerAnimated:YES completion:nil];
}

//将图片保存到相册
- (void)saveImageToPhotos:(UIImage*)savedImage

{
UIImageWriteToSavedPhotosAlbum(savedImage, self, @selector(image:didFinishSavingWithError:contextInfo:), NULL);
}

// 指定回调方法
- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo
{
NSString *msg = nil ;
if(error != NULL){
msg = @"保存图片失败" ;
}else{
msg = @"保存图片成功" ;
}
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"保存图片结果提示" message:msg delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
[alert show];
}
@end
第三方下载地址 http://pan.baidu.com/s/1qW6yXn2 或者https://github.com/B-Sides/ELCImagePickerController
github上的和我手里版本竟然不一样，我是按照我手里的版本写的