NKLineChart *chart = [[NKLineChart alloc] initWithFrame:frame]; chart.yLabelFormat = @"%1.1f"; [chart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5",@"SEP 6",@"SEP 7"]]; chart.showCoordinateAxis = YES; //Use yFixedValueMax and yFixedValueMin to Fix the Max and Min Y Value //Only if you needed chart.yFixedValueMax = 300.0; chart.yFixedValueMin = 0.0; [chart setYLabels:@[ @"0", @"50", @"100", @"150", @"200", @"250", @"300", ] ]; chart.yLabelFont = [UIFont systemFontOfSize:6.f]; chart.xLabelFont = [UIFont systemFontOfSize:6.f]; chart.xLabelWidth = 10.f; chart.yLabelColor = NKGreen; chart.xLabelColor = NKGreen; chart.axisColor = NKLightGrey; chart.axisWidth = 1.f; chart.xUnit = @"Day"; chart.yUnit = @"Min"; // Line Chart #1 NSArray * data01Array = @[@60.1, @160.1, @126.4, @0.0, @186.2, @127.2, @176.2]; NKLineChartData *data01 = [NKLineChartData new]; data01.color = NKGreen; data01.alpha = 0.9f; data01.itemCount = data01Array.count; data01.inflexionPointStyle = NKLineChartPointStyleTriangle; data01.getData = ^(NSUInteger index) { CGFloat yValue = [data01Array[index] floatValue]; return [NKLineChartDataItem dataItemWithY:yValue]; }; // Line Chart #2 NSArray * data02Array = @[@0.0, @180.1, @26.4, @202.2, @126.2, @167.2, @276.2]; NKLineChartData *data02 = [NKLineChartData new]; data02.color = NKTwitterColor; data02.alpha = 0.5f; data02.itemCount = data02Array.count; data02.inflexionPointStyle = NKLineChartPointStyleCircle; data02.getData = ^(NSUInteger index) { CGFloat yValue = [data02Array[index] floatValue]; return [NKLineChartDataItem dataItemWithY:yValue]; }; chart.chartData = @[data01,data02]; image = [chart drawImage]; [self.chartImage setImage:image]; 

 NKBarChart *chart = [[NKBarChart alloc] initWithFrame:frame]; chart.yLabelFormatter = ^(CGFloat yValue){ CGFloat yValueParsed = yValue; NSString * labelText = [NSString stringWithFormat:@"%0.f",yValueParsed]; return labelText; }; chart.labelMarginTop = 5.0; chart.showChartBorder = YES; [chart setXLabels:@[@"2",@"3",@"4",@"5",@"2",@"3",@"4",@"5"]]; // self.barChart.yLabels = @[@-10,@0,@10]; [chart setYValues:@[@10.82,@1.88,@6.96,@33.93,@10.82,@1.88,@6.96,@33.93]]; [chart setStrokeColors:@[NKGreen,NKGreen,NKRed,NKGreen,NKGreen,NKGreen,NKRed,NKGreen]]; image = [chart drawImage]; [self.chartImage setImage:image]; 

 NSArray *items = @[[NKPieChartDataItem dataItemWithValue:10 color:NKLightGreen], [NKPieChartDataItem dataItemWithValue:20 color:NKFreshGreen description:@"WWDC"], [NKPieChartDataItem dataItemWithValue:40 color:NKDeepGreen description:@"GOOG I/O"], ]; NKPieChart *chart = [[NKPieChart alloc] initWithFrame:frame items:items]; chart.descriptionTextColor = [UIColor whiteColor]; chart.descriptionTextFont = [UIFont systemFontOfSize:12.0]; chart.showAbsoluteValues = NO; chart.showOnlyValues = NO; image = [chart drawImage]; [self.chartImage setImage:image]; 

 UIColor *shadowColor = [UIColor colorWithRed:225.0 / 255.0 green:225.0 / 255.0 blue:225.0 / 255.0 alpha:0.5f]; NKCircleChart *chart = [[NKCircleChart alloc] initWithFrame:frame total:@100 current:@60 clockwise:YES shadow:YES shadowColor:shadowColor displayCountingLabel:YES overrideLineWidth:@5]; chart.strokeColor = NKGreen; chart.strokeColorGradientStart = NKLightGreen; image = [chart drawImage]; [self.chartImage setImage:image]; 

 NSArray *items = @[[NKRadarChartDataItem dataItemWithValue:3 description:@"Art"], [NKRadarChartDataItem dataItemWithValue:2 description:@"Math"], [NKRadarChartDataItem dataItemWithValue:8 description:@"Sports"], [NKRadarChartDataItem dataItemWithValue:5 description:@"Liter"], [NKRadarChartDataItem dataItemWithValue:4 description:@"Other"], ]; NKRadarChart *chart = [[NKRadarChart alloc] initWithFrame:frame items:items valueDivider:1]; image = [chart drawImage]; [self.chartImage setImage:image];