//initate the graph view SHLineGraphView *_lineGraph = [[SHLineGraphView alloc] initWithFrame:CGRectMake(0, 0, 568, 320)]; //set the main graph area theme attributes /** * theme attributes dictionary. you can specify graph theme releated attributes in this dictionary. if this property is * nil, then a default theme setting is applied to the graph. */ NSDictionary *_themeAttributes = @{ kXAxisLabel