ios - New added UITabelView cell is hidden when keyboard is showing in xcode -

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currently designed add new line cell in uitableview when user press return button of keyboard. problem after 4 or 5 uitableview cell added, new cell hidden under keyboard. i'm trying solve adjust uitableview when return key pressed failed.

following code.

- (bool)textview:(uitextview *)textview shouldchangetextinrange:(nsrange)range replacementtext:(nsstring *)text{     if ([text isequaltostring:@"\n"]) {          coachpaditem *newcoachpaditem = [[coachpaditem alloc]init];         newcoachpaditem.coachpaddescription = @"null";         newcoachpaditem.coachpadtagid = @"0";         [_tagpointsarray addobject:newcoachpaditem];         nsindexpath *indexpath = [nsindexpath indexpathforrow:[_tagpointsarray count]-1 insection:0];         [_coachpadtableview beginupdates];          coachpadpointcell *cell = (coachpadpointcell*)[_coachpadtableview cellforrowatindexpath:0];         [cell.txtpoint becomefirstresponder];          istype = true;         if ([isdelete isequaltostring:@"1"]) {             isdelete = @"2";         }          [_coachpadtableview insertrowsatindexpaths:@[indexpath] withrowanimation:uitableviewrowanimationfade];         [_coachpadtableview endupdates];          return no;     }     return yes; }

after 4-5 cell added, this:

[uiview beginanimations:nil context:null]; [uiview setanimationdelegate:self]; [uiview setanimationduration:0.3]; [uiview setanimationbeginsfromcurrentstate:yes];  cgrect frame = self.view.frame; frame.origin.y = - 170; self.view.frame = frame;  [uiview commitanimations];

after typing finshed, set y again 0


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