Added Example project + sources.

ANDLineChartView.podspec

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+#
+# Be sure to run `pod lib lint ANDLineChartView.podspec' to ensure this is a
+# valid spec and remove all comments before submitting the spec.
+#
+# Any lines starting with a # are optional, but encouraged
+#
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
+#
+
+Pod::Spec.new do |s|
+  s.name             = "ANDLineChartView"
+  s.version          = "0.1.0"
+  s.summary          = "ANDLineChartView is easy to use view-based class for displaying animated line chart."
+  s.description      = <<-DESC
+                       ANDLineChartView is easy to use view-based class for displaying animated line chart.
+
+                       * Markdown format.
+                       * Don't worry about the indent, we strip it!
+                       DESC
+  s.homepage         = "https://github.com/anaglik/ANDLineChartView"
+  s.screenshots     = "https://raw.github.com/anaglik/ANDLineChartView/master/screen1.png",
+                      "https://raw.github.com/anaglik/ANDLineChartView/master/screen2.png"
+  s.license          = 'MIT'
+  s.author           = { "Andrzej Naglik" => "dev.an@icloud.com" }
+  s.source           = { :git => "https://github.com/anaglik/ANDLineChartView.git", :tag => s.version.to_s }
+  s.social_media_url = 'https://twitter.com/andy_namic'
+
+  s.platform     = :ios, '7.0'
+  s.requires_arc = true
+
+  s.source_files = 'ANDLineChartView'
+end

ANDLineChartView/ANDLineChartView.h

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+//
+//  ANDExampleViewController.h
+//  SimpleAnimatedGraph v.0.1.0
+//
+//  Created by Andrzej Naglik on 19.01.2014.
+//  Copyright (c) 2014 Andrzej Naglik. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@protocol ANDLineChartViewDataSource,ANDLineChartViewDelegate;
+
+@interface ANDLineChartView : UIView
+
+@property (nonatomic, weak) id<ANDLineChartViewDataSource> dataSource;
+@property (nonatomic, weak) id<ANDLineChartViewDelegate> delegate;
+
+@property (nonatomic, strong) UIFont *gridIntervalFont;
+
+@property (nonatomic, strong) UIColor *chartBackgroundColor;
+@property (nonatomic, strong) UIColor *gridIntervalLinesColor;
+@property (nonatomic, strong) UIColor *gridIntervalFontColor;
+
+@property (nonatomic, strong) UIColor *elementColor;
+@property (nonatomic, strong) UIColor *elementStrokeColor;
+@property (nonatomic, strong) UIColor *lineColor;
+
+@property (nonatomic, assign) CGFloat elementSpacing;//default is 30
+
+// Support for constraint-based layout (auto layout)
+// If nonzero, this is used when determining -intrinsicContentSize
+@property(nonatomic, assign) CGFloat preferredMinLayoutWidth;
+
+- (void)reloadData;
+@end
+
+@protocol ANDLineChartViewDataSource <NSObject>
+
+@required
+- (NSUInteger)numberOfElementsInChartView:(ANDLineChartView *)chartView;
+
+- (CGFloat)chartView:(ANDLineChartView *)chartView valueForElementAtRow:(NSUInteger)row;
+
+- (NSUInteger)numberOfGridIntervalsInChartView:(ANDLineChartView *)chartView;
+
+// Values may be displayed differently eg. One might want to present 4200 seconds as 01h:10:00
+- (NSString*)chartView:(ANDLineChartView *)chartView descriptionForGridIntervalValue:(CGFloat)interval;
+
+- (CGFloat)maxValueForGridIntervalInChartView:(ANDLineChartView *)chartView;
+
+- (CGFloat)minValueForGridIntervalInChartView:(ANDLineChartView *)chartView;
+
+@end
+
+@protocol ANDLineChartViewDelegate <NSObject>
+@optional
+// you can specify spacing from previous element to element at current row. If it is first element, spacing is computed
+// from left border of view.
+// if you want to have the same spacing between every element, use elementSpacing property from ANDGraphView
+- (CGFloat)chartView:(ANDLineChartView *)chartView spacingForElementAtRow:(NSUInteger)row;
+
+@end