objective c - Picker On AlertView Not Visible in IOS7 -


my below code working fine in below ios 7 trying add picker view in alert works fine in below ios7 version in ios 7 show white alert without picker view.

    -(void)showpinpickeralert     {         numberarr = [[nsmutablearray alloc]initwithobjects:@"0",@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9", nil];           uialertview *alert =[[uialertview alloc]initwithtitle:@"enter pin change track me option" message:@"\n\n\n\n\n\n\n" delegate:self cancelbuttontitle:@"verify" otherbuttontitles:nil];          uipickerview *picker=[[uipickerview alloc]initwithframe:cgrectmake(25, 30, 230, 60) ];         picker.datasource=self;         picker.delegate=self;        // picker.backgroundcolor=[uicolor bluecolor];           picker.showsselectionindicator = yes;         //  picker.autoresizingmask = uiviewautoresizingflexibleheight;         picker.transform = cgaffinetransformmakescale(0.6, 0.6);         alert.tag=100;         //  picker.transform = cgaffinetransformmakescale(1, 0.2);         [alert addsubview:picker];           [alert show];      }  - (nsinteger)numberofcomponentsinpickerview:(uipickerview *)pickerview;  {      return 4;  }    - (void)pickerview:(uipickerview *)pickerview didselectrow:(nsinteger)row incomponent:(nsinteger)component  {     strpin=[[nsstring stringwithformat:@"%i%i%i%i",[pickerview selectedrowincomponent:0],[pickerview selectedrowincomponent:1],[pickerview selectedrowincomponent:2],[pickerview selectedrowincomponent:3]]mutablecopy];      nslog(@"strpin=%@",strpin);     // mlabel.text= [arrayno objectatindex:row];  }    - (nsinteger)pickerview:(uipickerview *)pickerview numberofrowsincomponent:(nsinteger)component;  {      return [numberarr count];  }  **//code try change color of picker text , background thats work fine in below ios7 in ios 7 still shows white screen**   - (uiview *)pickerview:(uipickerview *)pickerview viewforrow:(nsinteger)row forcomponent:(nsinteger)component reusingview:(uiview *)view {     uilabel *label = (uilabel*) view;     if (label == nil)     {         label = [[uilabel alloc] init];     }      //[label settext:@"whatever"];       // part colorizes everything, since asked that.      [label settextcolor:[uicolor whitecolor]];     [label setbackgroundcolor:[uicolor blackcolor]];     cgsize rowsize = [pickerview rowsizeforcomponent:component];     cgrect labelrect = cgrectmake (0, 0, rowsize.width, rowsize.height);     [label setframe:labelrect];      return label; }   - (nsstring *)pickerview:(uipickerview *)pickerview titleforrow:(nsinteger)row forcomponent:(nsinteger)component;  {      pickerview.backgroundcolor=[uicolor blackcolor];     return [numberarr objectatindex:row];  }

output in below enter image description here

output in ios 7 enter image description here

how fix it?

adding subviews uialertview not supported anymore, starting in ios7.

you should implement own view , try similar alert view, or other person said, use 3rd party alert view one:

https://github.com/wimagguc/ios-custom-alertview


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