iOS访问手机自带的相册
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1:首先遵守协议
UIImagePickerControllerDelegate,UINavigationControllerDelegate
2:
- (void)imageChange:(UIButton *)button{
NSLog(@"调用系统相册");
if (button!=self.button) {
self.isChange=NO;
self.button=button;
}
self.isChange=YES;
UIImagePickerController *imagePickerController = [[UIImagePickerControlleralloc] init];
imagePickerController.delegate =self;
imagePickerController.allowsEditing =YES;
imagePickerController.sourceType =UIImagePickerControllerSourceTypePhotoLibrary;
[selfpresentViewController:imagePickerController animated:YEScompletion:^{}];
}
#pragma mark - 保存图片至沙盒
- (void) saveImage:(UIImage *)currentImage withName:(NSString *)imageName
{
NSData *imageData = UIImageJPEGRepresentation(currentImage, 0.5);
NSString *fullPath = [[NSHomeDirectory()stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:imageName];
[imageDatawriteToFile:fullPath atomically:NO];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
[picker dismissViewControllerAnimated:YEScompletion:^{}];
UIImage *image = [infoobjectForKey:UIImagePickerControllerOriginalImage];
[selfsaveImage:imagewithName:@"currentImage.png"];
NSString *fullPath = [[NSHomeDirectory()stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:@"currentImage.png"];
if (self.isChange==YES) {
self.savedImage = [[UIImagealloc] initWithContentsOfFile:fullPath];
self.addImageView=[[UIImageViewalloc]initWithFrame:CGRectMake(0,0,88,87)];
self.addImageView.layer.masksToBounds=YES;
self.addImageView.layer.cornerRadius=44;
self.addImageView.image=self.savedImage;
[self.buttonaddSubview:self.addImageView];
}elseif (self.isChange==NO){
return ;
}
}
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