Uiimageview loads network images, and nsoperationqueue asynchronously loads Images

# Import "newdetailviewcontroller. H "# import" Common. H "# import" newobject. H "# import" netrequest. H "# import <uikit/uikitdefines. h> @ interface newdetailviewcontroller () <response> {uilabel * response; uitextview * gwdetailcontenttext; uiimageview * imageview; nsurl * URL; uiview * opaqueview; optional * activityindicator ;} @ end @ implementation newdet Ailviewcontroller-(ID) initwithnibname :( nsstring *) nibnameornil bundle :( nsbundle *) handle {self = [Super initwithnibname: nibnameornil Bundle: nibbundleornil]; If (Self) {If ([[[uidevice currentdevice] systemversion] floatvalue]> = 7) {self. view. bounds = cgrectmake (0,-20, self. view. frame. size. width, self. view. frame. size. height) ;}} return self;}-(void) viewdidload {[uiapplication shared Application]. statusbarhidden = yes; [Super viewdidload]; // [self initview];}-(void) initview {uibutton * loginbutton = [[uibutton alloc] handle: cgrectmake (screen_width-40, 0, 40, 30)]; [loginbutton settitle: @ "return" forstate: uicontrolstatenormal]; loginbutton. titlelabel. textcolor = [uicolor blackcolor]; [loginbutton addtarget: Self action: @ selector (backtofather) forcontrolevents: uicontroleventtou Chupinside]; [self. view addsubview: loginbutton]; gwdetailtitletext = [[uilabel alloc] initwithframe: cgrectmake (10, 30, screen_width-20, 40)]; gwdetailtitletext. textalignment = nstextalignmentcenter; gwdetailtitletext. numberoflines = 0; gwdetailtitletext. linebreakmode = uilinebreakmodecharacterwrap; [self. view addsubview: gwdetailtitletext]; gwdetailtitletext1 = [[uilabel alloc] initwithframe: cgrect Make (10, 70, screen_width-20, 20)]; gwdetailtitletext1.textalignment = nstextalignmentleft; [self. view addsubview: gwdetailtitletext1]; web = [[uiwebview alloc] initwithframe: cgrectmake (10,100, screen_width-20, self. view. bounds. origin. Y + self. view. bounds. size. height-110)]; web. scalespagetofit = yes; web. delegate = self; [[web layer] setcornerradius: 10]; [web setclipstobounds: Yes]; web. scales Pagetofit = no; For (ID subview in web. subviews) {If ([[subview class] issubclassofclass: [uiscrollview class]) {(uiscrollview *) subview ). bounces = No ;}} web. backgroundcolor = [uicolor whitecolor]; [self. view addsubview: Web]; // gwdetailcontenttext = [[uitextview alloc] initwithframe: cgrectmake (10,100, screen_width-20, self. view. bounds. origin. Y + self. view. bounds. size. height-110)]; // GWD Etailcontenttext. layer. borderwidth = 1; // gwdetailcontenttext. editable = no; // [self. view addsubview: gwdetailcontenttext];}-(void) setchoiceddate :( newobject *) myarray {[self initview]; mylog (@ "% @", myarray ); // mylog (@ "% @", myarray [0]); // [@ "rel_title"] gwdetailtitletext. TEXT = myarray. rel_title; nsstring * Date = [[nsstring alloc] initwithstring: myarray. rel_date]; Date = [date substringtoindex: 10]; n Sstring * mystring = [nsstring stringwithformat: @ "publisher: % @ Date: % @", myarray. rel_user, date]; gwdetailtitletext1.text = mystring; mylog (@ "% @", myarray. rel_picpath); If (! [Myarray. rel_picpath isequaltostring: @ "null"]) {url = [nsurl urlwithstring: [nsstring stringwithformat: @ "% @", @ "http://www.xf0573.com", myarray. rel_picpath]; imageview = [[uiimageview alloc] initwithframe: cgrectmake (80, 0,160,120)]; imageview. layer. maskstobounds = yes; imageview. layer. cornerradius = 5.0f; [imageview setbackgroundcolor: [uicolor graycolor]; imageview. image = [uiimage imagenamed: @ "moren.png"]; [web addsubview: imageview]; opaqueview = [[uiview alloc] initwithframe: cgrectmake (0, 0,160,120)]; activityindicator = [[financialloc] initwithframe: cgrectmake (0, 0,160,120)]; [opaqueview setbackgroundcolor: [uicolor blackcolor]; [opaqueview setalpha: 0.6]; [imageview addsubview: opaqueview]; [opaqueview addsubview: activityindicator]; [activityindicator startanimating]; opaqueview. hidden = no; web1 = [[uiwebview alloc] initwithframe: cgrectmake (10,120, screen_width-20, self. view. bounds. origin. Y + self. view. bounds. size. height-web. frame. origin. y-130)]; web1.scalespagetofit = yes; web1.delegate = self; [web1 layer] setcornerradius: 10]; [web1 setclipstobounds: Yes]; web1.scalespagetofit = no; for (ID subview in web1.subviews) {If ([[subview class] issubclassofclass: [uiscrollview class]) {(uiscrollview *) subview ). bounces = No ;}} web1.backgroundcolor = [uicolor whitecolor]; [web1 loadhtmlstring: myarray. rel_content baseurl: Nil]; [web addsubview: web1]; nsoperationqueue * operationqueue = [[descrialloc] init]; nsinvocationoperation * op = [[nsinvocationoperation alloc] handler: Self selector: @ selector (downloadimage) object: Nil]; [operationqueue addoperation: op]; // [web loadrequest: req];} else if ([myarray. rel_picpath isw.tostring: @ "null"]) {[web loadhtmlstring: myarray. rel_content baseurl: Nil]; // gwdetailcontenttext. TEXT = myarray. rel_content ;}}- (void) downloadimage {uiimage * image = [uiimage imagewithdata: [nsdata datawithcontentsofurl: url]; imageview. image = image; [activityindicator stopanimating]; opaqueview. hidden = yes;}-(void) backtofather {[self dismissmodalviewcontrolleranimated: Yes];} @ end

Uiimageview loads network images, and nsoperationqueue asynchronously loads Images