ios--saving Pictures to a local album

Today to do chat, the leader said each other to send me a picture, I want to save to the local, iOS Uikit framework provides the Uiimagewritetosavedphotosalbum method to save the image, the method will save image to the user's album:

On the code:

void uiimagewritetosavedphotosalbum (                                                                          UIImage  *image,                                                                          ID        Completiontarget,                                                                          SEL      completionselector,                                                                          void     *contextinfo                                                                          );

Parameter description:

Image: A picture object that needs to be saved

ID: Response Method Object

SEL: Selection method

Steps:

/* * *   */-(void)        addimageviewtolocal{*data = [NSData datawithcontentsofurl:[nsurl Urlwithstring:_currentitem.imageurl]];         *myimage = [UIImage imagewithdata:data];        [Self saveimagetophotos:myimage];    }

Step Two:

-(void) Saveimagetophotos: (uiimage*) savedimage{    uiimagewritetosavedphotosalbum (Savedimage, Self, @selector (image:didFinishSavingWithError:contextInfo:), NULL);    }

Step Three:

- (voidImage: (UIImage *) image didfinishsavingwitherror: (nserror *) Error ContextInfo: (void*) contextinfo{NSString*msg =Nil; if(Error! =NULL) {msg=@"failed to save picture" ; }Else{msg=@"Save Picture Success" ; } Uialertview*alert = [[Uialertview alloc] Initwithtitle:@"Save picture result hint"message:msg Delegate: Self cancelbuttontitle:@"Determine"Otherbuttontitles:nil]; [Alert show];}

This allows the image to be saved to a local album;

ios--saving Pictures to a local album