iOS swipe tableview to change the color of the navigation bar-1

-(void) Scrollviewdidscroll: (Uiscrollview *) ScrollView

{
[Self.navigationController.navigationBar setbackgroundimage:[self Imagewithbgcolor:[uicolor colorwithred: self.tableview.contentoffset.y/255 green:255/255 blue:255/255 Alpha:1]] forbarmetrics:uibarmetricsdefault];
NSLog (@ "contentoffset====%f", SELF.TABLEVIEW.CONTENTOFFSET.Y);
if (Self.tableview.contentoffset.y < 0) {
Self. Myview. Hidden = YES;

}

}
-(UIImage *) Imagewithbgcolor: (Uicolor *) Color {

CGRect rect = CGRectMake (0.0f, 0.0f, 1.0f, 1.0f);

Uigraphicsbeginimagecontext (rect.size);

Cgcontextref context = Uigraphicsgetcurrentcontext ();

Cgcontextsetfillcolorwithcolor (context, [color Cgcolor]);

Cgcontextfillrect (context, rect);

UIImage *image = Uigraphicsgetimagefromcurrentimagecontext ();

Uigraphicsendimagecontext ();

return image;

}

iOS swipe tableview to change the color of the navigation bar-1