Objective C Download Picture method rollup from remote URL

This article to share 2 of the use of objective C from the remote URL to download pictures of the method, are used in individual projects, summarized under the recommendation to everyone, the need for small partners can refer to.

Objective c download pictures from remote URL

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-(UIImage *) Getimagefromurl: (NSString *) theURL {uiimage = NULL; NSString *imagefilename = [Bt_strings Getfilenamefromurl:theurl]; NSData *imagedata = [[NSData alloc] Initwithcontentsofurl:[nsurl Urlwithstring:theurl]]; Theimage = [[UIImage alloc] initwithdata:imagedata]; [Bt_filemanager saveimagetofile:theimage Filename:imagefilename]; return theimage; }

Objective C Gets the picture from the remote address and modifies the size

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nsstring* ImageURL = [NSString stringWithFormat: @ "http://theimageurl.com/?id=%@", [[Resultsentries objectAtIndex:0] Objectforkey: @ "Image_large"]]; nsdata* ImageData = [[NSData alloc]initwithcontentsofurl:[nsurl Urlwithstring:imageurl]];   uiimage* image = [[UIImage alloc] initwithdata:imagedata]; Resize image Cgsize newsize = cgsizemake (100, 100); Uigraphicsbeginimagecontext (newsize);/A cgsize that has the size for you want [image Drawinrect:cgrectmake (0,0,newsize.wid   Th,newsize.height)]; Image is the original uiimage uiimage* newimage = Uigraphicsgetimagefromcurrentimagecontext ();   Uigraphicsendimagecontext (); ImageHeight = Image.size.height; [Imagemain Setimage:newimage]; [ImageData release]; [Image release];

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