SDWebImageを1年半使ってみた

Transcript

1. 4%8FC*NBHFΛ
   ೥൒࢖ͬͯΈͨ OJOKJOLVO

2. 4%8FC*NBHF w 8FCը૾ϩʔμʔ
   w ը૾Ωϟογϡ
   w 6**NBHF֦ு
   w Ξχ(*'
   8FC1

   IUUQHJUIVCDPNSTTEXFCJNBHF

3. 4%8FC*NBHF w ͜ͷ೥൒͘Β͍Ͱଟ਺ͷϓϩδΣΫτʹ౤ೖͯ͠
 ໰୊ͳ͠
   w ը૾ϑΣονϟʔͷܾఆ൛ͱݴ͑Δ
   w ྑ͘ϝϯς͞Ε͍ͯͯ։ൃ΋׆ൃ

4. 4%*NBHF$BDIF w σϑΥϧτઃఆ͕͍͚ͯΔ
   w σΟεΫΩϟογϡͷσϑΥϧτ&YQJSF͸िؒ
   w ϝϞϦΩϟογϡͷσϑΥϧτ্ݶ͸ͳ͠
   w .FNPSZ
   8BSOJOH࣌ʹϝϞϦΩϟογϡ͸ফ͑Δ
   w

   σΟεΫΩϟογϡ͸ΞϓϦͷऴྃ࣌ͱόοΫάϥ΢ϯυҠ ߦ࣌ʹ૟আ͞ΕΔ
   w ͜ͷลΓࣗલͰ࣮૷͢ΔͱۭؾಡΉͷ͕େม

5. (*'
   BOJNBUJPO
   8FC1αϙʔτ w 6**NBHF
   
   Ξχ(*'
   8FC1ͷม׵ؚ͕·Ε͍ͯΔ
   w 6**NBHF͸ϑΥʔϚοτʹඇґଘ
   w 4%8FC*NBHFೖΕΔ͚ͩͰΞχ(*'࢖͑Δ
   w

   ը૾μ΢ϯϩʔμʔͷҬΛ௒͍͑ͯΔʜ
   w ͚Ͳ࣮૷͕ࣗવͳײ͡ͳͷͰจ۟ͳ͍

6. ը૾ΛϑΣʔυͯ͠ද͍ࣔͤͨ͞ w σϑΥϧτͰ͸ը૾͕ͺͬͱදࣔ͞ΕΔ͚ͩ
   w DPNQMFUFE#MPDLΛ࢖͏ __weak UIImageView *weakImageView = imageView;

   ! [imageView setImageWithURL:imageURL placeholderImage:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType) { if (cacheType != SDImageCacheTypeMemory) { [UIView transitionWithView:weakImageView duration:0.28 options:UIViewAnimationOptionTransitionCrossDissolve |
 UIViewAnimationOptionCurveLinear |
 UIViewAnimationOptionAllowUserInteraction animations:nil completion:nil]; } }];

7. ಡΈࠐΈʹࣦഊͨ݁͠Ռ͕
 Ωϟογϡ͞Εͯ͠·͏ w 4%8FC*NBHF3FUSZ'BJMFEΛࢦఆ͢Δ
   w 6*5BCMF7JFX$FMM౳ͰҰؾʹը૾Λಡ Ή৔߹͸େ఍෇͚ͯΔ [imageView setImageWithURL:imageURL 


   placeholderImage:nil
 options:SDWebImageRetryFailed];

8. ϩʔΧϧͷը૾Λ63-ͰҾ͖ճ͢ w ΧϝϥɺϥΠϒϥϦ͔ΒબΜͩࣸਅʹ63-Λ෇༩
   w 4%*NBHF$BDIFʹೖΕΔ
   w ϑΝΠϧ͕ظݶ෇͖Ͱอଘ͞ΕΔ - (void)imagePickerController:(UIImagePickerController *)picker

   didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *editedImage = (UIImage *)info[UIImagePickerControllerEditedImage]; ! NSString *uuid = [[NSUUID UUID] UUIDString]; NSString *imageURLString = [NSString stringWithFormat:@"njkimage://images/%@.jpg", uuid]; ! [[SDImageCache sharedImageCache] storeImage:editedImage forKey:imageURLString]; ɹɹ// ͜ͷ imageURLString ΛҾ͖ճͤ͹Ͳ͜Ͱ΋ը૾͕ಘΒΕΔ! }

9. ϩʔΧϧͷը૾Λ63-ͰҾ͖ճ͢ w .FNPSZ
   8BSOJOH࣌ʹղ์͢Δ͜ͱ͕ՄೳʹͳΔ
   w ඞཁʹͳͬͨΒ·ͨGFUDI͢Ε͹σΟεΫ͔Β෮ ݩ͞ΕΔ
   w ը૾Λෳ਺બ୒ͯ͠Ξοϓϩʔυ͢Δ৔߹ʹ
 ϝϞϦރׇΛ๷͛Δ

10. ϩʔΧϧͷը૾Λ63-ͰҾ͖ճ͢ w 6**NBHF7JFX 8FC$BDIFͰදࣔͰ͖Δ
    w ϩʔΧϧσʔλͷ֬ೝը໘ͱ8FCͷσʔλΛදࣔ ͢Δը໘Λڞ௨ԽͰ͖Δ

11. .81IPUP#SPXTFS w ը૾ϑϧεΫϦʔϯදࣔϥΠϒϥϦ
    w ಺෦Ͱ4%8FC*NBHFΛ࢖͍ͬͯΔ
    w 4%*NBHF$BDIF͕ڞ༻͞ΕΔ
    w લͷը໘Ͱ։͍͍ͯͨը૾ΩϟογϡΛ࠶ར༻Ͱ͖Δ

12. 'BTU*NBHF$BDIF w 1BUI͕࡞ͬͨߴ଎ͳը૾දࣔΛ࣮ݱ͢ΔϥΠϒϥϦ
    w ࣄલʹ࠷దԽͨ͠ը૾Λ࡞ͬͯΩϟογϡ
    w ΧϦΧϦʹνϡʔχϯά͞Εͨը૾ද͕ࣔՄೳ
    w νϡʔχϯά෦෼Λ൚༻Խ͍ͯ͠ΔͨΊ"1*͸ෳࡶ
    w

    ௿εϖοΫ୺຤Ͱେ͖ͳࣸਅΛ͵Δ͵Δಈ͔͍ͨ͠ ͳΒݕ౼͢ΔՁ஋͋Γ

13. 'BTU*NBHF$BDIF w 8FC͔Βͷμ΢ϯϩʔυػೳ͸෇͍͍ͯͳ͍
    w ͜͜Λ4%8FC*NBHFʹ೚ͤΔ - (void)imageCache:(FICImageCache *)imageCache wantsSourceImageForEntity:(id <FICEntity>)entity

    withFormatName:(NSString *)formatName completionBlock: (FICImageRequestCompletionBlock)completionBlock { if ([entity respondsToSelector:@selector(URL)]) { NSURL *URL = [entity performSelector:@selector(URL)]; [[SDWebImageManager sharedManager] downloadWithURL:URL options:SDWebImageRetryFailed
 progress:nil 
 completed:
 ^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished) { completionBlock(image); }]; } }

14. 'BTU*NBHF$BDIF w ͦͷ··ͩͱॏΩϟογϡʹͳΔ
    w ଞͰ࢖͍ճ͞ͳ͍ͳΒ4%*NBHF$BDIF͸࢖Θͳ͍ Α͏ʹ͢Δ 4%*NBHF$BDIF 'BTU*NBHF$BDIF 4%*NBHF.BOBHFS

15. ·ͱΊ w 4%8FC*NBHF࠷ߴ
    w ࣗલͷ࣮૷͸ࣺͯ·͠ΐ͏