objective c - pop up a view when i clicked button on table view cell -

i have button on table view cell if click button pop view appeared , remaining cells animated downwards animation.and cell having sub views open plist in ios if click sub view cell open next level sub cells. tableview must below images

cells , sub-cells must this. can 1 assist me?

i have done before. use following code. create custom cell class having cell , followed view in cell view show shown using heightforrowatindexpath method uitableview class. here code

- (nsinteger)numberofsectionsintableview:(uitableview *)tableview {     return 1; }  - (nsinteger)tableview:(uitableview *)tableview numberofrowsinsection:(nsinteger)section {     return 10; }  - (cgfloat)tableview:(uitableview *)tableview heightforrowatindexpath:(nsindexpath *)indexpath; {     if (checkheight == indexpath.row)         return 185;     else         return 80; }  // customize appearance of table view cells. - (uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath {     static nsstring *cellidentifier = @"cell";      faqcell *cell = (faqcell *)[tableview dequeuereusablecellwithidentifier:cellidentifier];     if (cell == nil)     {         [[nsbundle mainbundle] loadnibnamed:@"faqcell" owner:self options:nil];         cell = mycell;         mycell = nil;     }      cell.selectionstyle = uitableviewcellselectionstylenone;     [cell.questext setfont:[uifont fontwithname:@"caviardreams" size:16]];     [cell.anstext setfont:[uifont fontwithname:@"caviardreams" size:16]];       // check row background color has changed     if (checkheight == indexpath.row)         [cell.bgview setbackgroundcolor:[uicolor colorwithred:0.3333 green:0.7373 blue:0.4588 alpha:1.0]];     else         [cell.bgview setbackgroundcolor:[uicolor colorwithred:0.9176 green:0.3765 blue:0.2980 alpha:1.0]];      return cell; }  #pragma mark - #pragma mark tableview delegate methods  - (void)tableview:(uitableview *)tableview didselectrowatindexpath:(nsindexpath *)indexpath {     // deselect cell     [tableview deselectrowatindexpath:indexpath animated:true];     checkheight = indexpath.row;      // reload data of table     [tableview reloadsections:[nsindexset indexsetwithindexesinrange:nsmakerange(0, tableview.numberofsections)] withrowanimation:uitableviewrowanimationautomatic]; } 

let me know if face issue.