objective c - How to create UIButton for ios7 & ios6 4-inches and 3.5 screen for iOS -

i working on ios7 & ios6(3.5 inches , 4 inches screen).

• i displaying 6 buttons in uiview.the 6 buttons divided in 3 rows.like each 2 buttons displaying single row.
• total rows displayed 3.
• i have integrated iad in bottom of view.

my problem in ios7 4-inches screen display proper way. in ios 6 4-inch screen not display properly. have issues alignment. ios7 3.5 inches getting alignment issues. ios6 3.5 inches displays fine.

i don't know how fix alignment issues. sample code:

#define system_version_greater_than_or_equal_to(v)  ([[[uidevice currentdevice] systemversion] compare:v options:nsnumericsearch] != nsorderedascending)  - (void)viewdidload  {  [super viewdidload];  if (system_version_greater_than_or_equal_to(@"7.0"))  {  [[uiapplication sharedapplication] setstatusbarstyle: uistatusbarstyledefault];  navibarobj=[[uinavigationbar alloc]initwithframe:cgrectmake(0, 20, 320, 64)];  [self.view addsubview:navibarobj];  [navibarobj setbartintcolor:[uicolor colorwithred:38.0f/255.0f green:45.0f/255.0f blue:51/255.0f alpha:1.0]];  // weekly audio button creation..  weeklyaudio=[uibutton buttonwithtype:uibuttontypecustom];  [weeklyaudio addtarget:self action:@selector(weeklypredictions) forcontrolevents:uicontroleventtouchupinside];  [weeklyaudio settitle:@"weekly" forstate:uicontrolstatenormal];  weeklyaudio.titlelabel.textalignment = nslinebreakbywordwrapping;  weeklyaudio.titlelabel.numberoflines = 2;  [weeklyaudio.titlelabel settextalignment: nstextalignmentcenter];  [weeklyaudio settitleedgeinsets:uiedgeinsetsmake(60, 10, 10, 10)];  [weeklyaudio.titlelabel setfont:[uifont systemfontofsize:14.0]];  weeklyaudio.frame=cgrectmake(10, 100, 140, 120);  weeklyaudio.layer.cornerradius=5;  weeklyaudio.backgroundcolor=[uicolor colorwithred:232.0f/255.0f green:52.0f/255.0f blue:27.0f/255.0f alpha:1.0];  [self.view addsubview:weeklyaudio];  weeklyaudioimage=[[uiimageview alloc]initwithframe:cgrectmake(45, 10, 48, 48)];  weeklyaudioimage.image=[uiimage imagenamed:@"48*48.png"];  [weeklyaudio addsubview:weeklyaudioimage];  weeklyaudio.autoresizingmask =  uiviewautoresizingflexibleleftmargin | uiviewautoresizingflexiblerightmargin |uiviewautoresizingflexiblebottommargin  | uiviewautoresizingflexibletopmargin;  // create yearly audio button.  yearlyaudio=[uibutton buttonwithtype:uibuttontypecustom];  [yearlyaudio addtarget:self action:@selector(yearlypredictions) forcontrolevents:uicontroleventtouchupinside];  [yearlyaudio settitle:@"yearly" forstate:uicontrolstatenormal];  yearlyaudio.titlelabel.textalignment=nslinebreakbywordwrapping;  yearlyaudio.titlelabel.numberoflines=2;  [yearlyaudio.titlelabel settextalignment:nstextalignmentcenter];  [yearlyaudio settitleedgeinsets:uiedgeinsetsmake(60, 10, 10, 10)];  [yearlyaudio.titlelabel setfont:[uifont systemfontofsize:14.0]];  yearlyaudio.frame=cgrectmake(160, 100, 140, 120);  yearlyaudio.layer.cornerradius=5;  yearlyaudio.backgroundcolor=[uicolor colorwithred:16.0f/255.0f green:144.0f/255.0f blue:209.0f/255.0f alpha:1.0];  [self.view addsubview:yearlyaudio];  yearlyaudioimage=[[uiimageview alloc]initwithframe:cgrectmake(45, 10, 48, 48)];  yearlyaudioimage.image=[uiimage imagenamed:@"48*48.png"];  [yearlyaudio addsubview:yearlyaudioimage];  yearlyaudio.autoresizingmask =  uiviewautoresizingflexibleleftmargin | uiviewautoresizingflexiblerightmargin |uiviewautoresizingflexiblebottommargin  | uiviewautoresizingflexibletopmargin;   // iad integration.  adbannerview *adview = [[adbannerview alloc] initwithframe:cgrectzero];  adview.frame=cgrectmake(0, 580, 320, 40);  adview.delegate=self;  adview.autoresizingmask =uiviewautoresizingflexibleleftmargin | uiviewautoresizingflexiblerightmargin |uiviewautoresizingflexiblebottommargin  | uiviewautoresizingflexibletopmargin;  }   else  {   weeklyaudio=[uibutton buttonwithtype:uibuttontypecustom];  [weeklyaudio addtarget:self action:@selector(weeklypredictions) forcontrolevents:uicontroleventtouchupinside];  [weeklyaudio settitle:@"weekly" forstate:uicontrolstatenormal];  weeklyaudio.titlelabel.textalignment = nslinebreakbywordwrapping;  weeklyaudio.titlelabel.numberoflines = 2;  [weeklyaudio.titlelabel settextalignment: nstextalignmentcenter];  [weeklyaudio settitleedgeinsets:uiedgeinsetsmake(60, 10, 10, 10)];  [weeklyaudio.titlelabel setfont:[uifont systemfontofsize:14.0]];  weeklyaudio.frame=cgrectmake(10, 50, 140, 110);  weeklyaudio.layer.cornerradius=5;  weeklyaudio.backgroundcolor=[uicolor colorwithred:232.0f/255.0f green:52.0f/255.0f blue:27.0f/255.0f alpha:1.0];  [self.view addsubview:weeklyaudio];  weeklyaudioimage=[[uiimageview alloc]initwithframe:cgrectmake(45, 10, 48, 48)];  weeklyaudioimage.image=[uiimage imagenamed:@"48*48.png"];  [weeklyaudio addsubview:weeklyaudioimage];  weeklyaudio.autoresizingmask =uiviewautoresizingflexibleleftmargin | uiviewautoresizingflexiblerightmargin |uiviewautoresizingflexiblebottommargin  | uiviewautoresizingflexibletopmargin;  // create yearly  button audio  yearlyaudio=[uibutton buttonwithtype:uibuttontypecustom];  [yearlyaudio addtarget:self action:@selector(yearlypredictions) forcontrolevents:uicontroleventtouchupinside];  [yearlyaudio settitle:@"yearly" forstate:uicontrolstatenormal];  yearlyaudio.titlelabel.textalignment = nslinebreakbywordwrapping;  yearlyaudio.titlelabel.numberoflines = 2;  [yearlyaudio.titlelabel settextalignment: nstextalignmentcenter];  [yearlyaudio settitleedgeinsets:uiedgeinsetsmake(60, 10, 10, 10)];  [yearlyaudio.titlelabel setfont:[uifont systemfontofsize:14.0]];  yearlyaudio.frame=cgrectmake(160, 50, 140, 110);  yearlyaudio.layer.cornerradius=5;  yearlyaudio.backgroundcolor=[uicolor colorwithred:16.0f/255.0f green:144.0f/255.0f blue:209.0f/255.0f alpha:1.0];  [self.view addsubview:yearlyaudio];  yearlyaudioimage=[[uiimageview alloc]initwithframe:cgrectmake(45, 10, 48, 48)];  yearlyaudioimage.image=[uiimage imagenamed:@"48*48.png"];  [yearlyaudio addsubview:yearlyaudioimage];  yearlyaudio.autoresizingmask =  uiviewautoresizingflexibleleftmargin | uiviewautoresizingflexiblerightmargin |uiviewautoresizingflexiblebottommargin  | uiviewautoresizingflexibletopmargin;  adbannerview *adview = [[adbannerview alloc] initwithframe:cgrectzero];  adview.frame=cgrectmake(0, 410, 320, 40);  adview.delegate=self;  [self.view addsubview:adview];  }  }