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[英]sdwebimage: is there a limit on how many setimageWithUrl can be queued?
[英]SDWebImage ,setImageWithUrl can't show the image on the imageView
- (void)xuanquButtonClicked:(JohnButtonLong*)button
{
_picker = [[UIImagePickerController alloc] init];
if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) {
JLActionManager * manager = [JLActionManager sharedInstance];
[manager showAndHideHUDWithTitle:nil detailText:@"親,您的相冊無法打開" inView:self.view];
return;
}
_picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
_picker.allowsEditing = YES;
_picker.delegate = self;
[self presentViewController:_picker animated:YES completion:^{
}];
}
#pragma mark - UIIMagePickerController delegate Methods
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:^{
}];
// 如果沒有選取 使用默認頭像
_strHeadPic = @"";
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
[picker dismissViewControllerAnimated:YES completion:^{
}];
// 選取了某個頭像
UIImage * image = [info objectForKey:UIImagePickerControllerOriginalImage];
_img_touxiang.image = image;
//壓縮圖像
image = [self OriginImage:image scaleToSize:CGSizeMake(160, 160)];
NSData * img_data = UIImageJPEGRepresentation(image, 0.5);
//進行base64編碼
NSData * data = [GTMBase64 encodeData:img_data];
_strHeadPic = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
}
// 壓縮成指定大小
-(UIImage*) OriginImage:(UIImage *)image scaleToSize:(CGSize)size{
UIGraphicsBeginImageContext(size);
// 繪制改變大小的圖片
[image drawInRect:CGRectMake(0, 0, size.width, size.height)];
// 從當前context中創建一個改變大小后的圖片
UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();// 是當前的context出對戰
// 返回新的改變大小后的圖片
return scaledImage;
}
UnitMyInfo * myInfo = GetMyInfo;
[_img_touxiang setImageWithURL:[NSURL URLWithString:BaseImgURL(myInfo.umi_URL)] placeholderImage:[UIImage imageNamed:@"default_headImg.jpg"]];
// First You have to get Url from Image then set url On SDWebImages.
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)img editingInfo:(NSDictionary *)editingInfo
{
[picker dismissModalViewControllerAnimated:YES];
NSURL *imagePath = [editingInfo objectForKey:@"UIImagePickerControllerReferenceURL"];
NSString *imageName = [imagePath lastPathComponent];
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *localFilePath = [documentsDirectory stringByAppendingPathComponent:imageName];
NSLog(@"localFilePath.%@",localFilePath);
}
//Set Image On SDWebView.
[imageView setImageWithURL:[NSURL URLWithString:localFilePath] placeholderImage:[UIImage imageNamed:@"default_headImg.jpg"]];
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