viewForFooterInSection not showing into the bottom of the screen - ios

Question

viewForFooterInSection not showing into the bottom of the screen(uitableview).
here I am using UItableview.
Note: in below screen vary bottom of the screen one more footer added.(white color view).
Redcolorview: footer (from below code)
blue color: table background color
white bottom:
Red color view I added programmatically, using below code:
- (CGFloat)tableView:(UITableView *)tableView
estimatedHeightForFooterInSection:(NSInteger)section
{
return 44;
}
- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section
{
NSLog(#"%f",tableView.frame.size.width);
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, tableView.frame.size.width, 44)];
view.backgroundColor = [UIColor redColor];
UIButton *cancelButton = [[UIButton alloc]initWithFrame:CGRectMake(30, 7, tableView.frame.size.width/2 - 60, 30)];
[cancelButton setTitle:#"Cancel" forState:UIControlStateNormal];
[cancelButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[cancelButton setBackgroundColor:[ValidationsClass colorWithHexString:NSLocalizedStringFromTableInBundle(#"pothysapp_label_text_backgroundcolor",#"ApplicationSettings",[NSBundle mainBundle], nil)]];
[cancelButton addTarget:self
action:#selector(cancelDetails:)
forControlEvents:UIControlEventTouchUpInside];
cancelButton.titleLabel.font = [UIFont fontWithName:#"Roboto-Bold" size:15];
cancelButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
[view addSubview:cancelButton];
UIButton *saveButton = [[UIButton alloc]initWithFrame:CGRectMake(tableView.frame.size.width/2 + 30, 7, tableView.frame.size.width/2 - 60, 30)];
[saveButton setTitle:#"Save" forState:UIControlStateNormal];
[saveButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[saveButton setBackgroundColor:[ValidationsClass colorWithHexString:NSLocalizedStringFromTableInBundle(#"pothysapp_label_text_backgroundcolor",#"ApplicationSettings",[NSBundle mainBundle], nil)]];
[saveButton addTarget:self
action:#selector(saveDetails:)
forControlEvents:UIControlEventTouchUpInside];
saveButton.titleLabel.font = [UIFont fontWithName:#"Roboto-Bold" size:15];
saveButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
[view addSubview:saveButton];
return view;
}

Answer 1

Try this instead of returning your custom view in viewForFooterInSection.
Add your custom view to table footer in ViewdidLoad()
self.tableview.tableFooterView =//Your CustomView;

Answer 2

I removed estimatedHeightForFooterInSection and viewForFooterInSection.
Instead of this i added view in viewdidload:
self.tableview.contentInset = UIEdgeInsetsMake(0, 0, -20, 0);
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 15, self.view.frame.size.width, 30)];
view.backgroundColor = [UIColor whiteColor];
self.tableview.tableFooterView = view;
UIButton *cancelButton = [[UIButton alloc]initWithFrame:CGRectMake(30, 7, self.view.frame.size.width/2 - 60, 30)];
[cancelButton setTitle:#"Cancel" forState:UIControlStateNormal];
[cancelButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[view addSubview:cancelButton];
UIButton *saveButton = [[UIButton alloc]initWithFrame:CGRectMake(self.view.frame.size.width/2 + 30, 7, self.view.frame.size.width/2 - 60, 30)];
[saveButton setTitle:#"Save" forState:UIControlStateNormal];
[saveButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[view addSubview:saveButton];