```
public abstract class Utils

                    
```
Utilities class that has some helper methods. Needs to be initialized by calling Utils.init(...) before usage. Inside the Chart.init() method, this is done, if the Utils are used before that, Utils.init(...) needs to be called manually.

Field Summary

Fields
Modifier and Type	Field	Description
`public final static double`	`DEG2RAD`
`public final static float`	`FDEG2RAD`
`public final static double`	`DOUBLE_EPSILON`
`public final static float`	`FLOAT_EPSILON`

Method Summary

Modifier and Type	Method	Description
`static void`	`init(Context context)`	initialize method, called inside the Chart.init() method.
`static void`	`init(Resources res)`	initialize method, called inside the Chart.init() method.
`static float`	`convertDpToPixel(float dp)`	This method converts dp unit to equivalent pixels, depending on devicedensity.
`static float`	`convertPixelsToDp(float px)`	This method converts device specific pixels to density independentpixels.
`static int`	`calcTextWidth(Paint paint, String demoText)`	calculates the approximate width of a text, depending on a demo textavoid repeated calls (e.g.
`static int`	`calcTextHeight(Paint paint, String demoText)`	calculates the approximate height of a text, depending on a demo textavoid repeated calls (e.g.
`static float`	`getLineHeight(Paint paint)`
`static float`	`getLineHeight(Paint paint, Paint.FontMetrics fontMetrics)`
`static float`	`getLineSpacing(Paint paint)`
`static float`	`getLineSpacing(Paint paint, Paint.FontMetrics fontMetrics)`
`static FSize`	`calcTextSize(Paint paint, String demoText)`	Returns a recyclable FSize instance.calculates the approximate size of a text, depending on a demo textavoid repeated calls (e.g.
`static void`	`calcTextSize(Paint paint, String demoText, FSize outputFSize)`	calculates the approximate size of a text, depending on a demo textavoid repeated calls (e.g.
`static IValueFormatter`	`getDefaultValueFormatter()`
`static String`	`formatNumber(float number, int digitCount, boolean separateThousands)`	Formats the given number to the given number of decimals, and returns thenumber as a string, maximum 35 characters.
`static String`	`formatNumber(float number, int digitCount, boolean separateThousands, char separateChar)`	Formats the given number to the given number of decimals, and returns thenumber as a string, maximum 35 characters.
`static float`	`roundToNextSignificant(double number)`	rounds the given number to the next significant number
`static int`	`getDecimals(float number)`	Returns the appropriate number of decimals to be used for the providednumber.
`static Array<int>`	`convertIntegers(List<Integer> integers)`	Converts the provided Integer List to an int array.
`static void`	`copyIntegers(List<Integer> from, Array<int> to)`
`static Array<String>`	`convertStrings(List<String> strings)`	Converts the provided String List to a String array.
`static double`	`nextUp(double d)`	Replacement for the Math.nextUp(...) method that is only available inHONEYCOMB and higher.
`static MPPointF`	`getPosition(MPPointF center, float dist, float angle)`	Returns a recyclable MPPointF instance.Calculates the position around a center point, depending on the distancefrom the center, and the angle of the position around the center.
`static void`	`getPosition(MPPointF center, float dist, float angle, MPPointF outputPoint)`
`static void`	`velocityTrackerPointerUpCleanUpIfNecessary(MotionEvent ev, VelocityTracker tracker)`
`static void`	`postInvalidateOnAnimation(View view)`	Original method view.postInvalidateOnAnimation() only supportd in API >=16, This is a replica of the code from ViewCompat.
`static int`	`getMinimumFlingVelocity()`
`static int`	`getMaximumFlingVelocity()`
`static float`	`getNormalizedAngle(float angle)`	returns an angle between 0.f < 360.
`static void`	`drawImage(Canvas canvas, Drawable drawable, int x, int y, int width, int height)`
`static void`	`drawXAxisValue(Canvas c, String text, float x, float y, Paint paint, MPPointF anchor, float angleDegrees)`
`static void`	`drawMultilineText(Canvas c, StaticLayout textLayout, float x, float y, TextPaint paint, MPPointF anchor, float angleDegrees)`
`static void`	`drawMultilineText(Canvas c, String text, float x, float y, TextPaint paint, FSize constrainedToSize, MPPointF anchor, float angleDegrees)`
`static FSize`	`getSizeOfRotatedRectangleByDegrees(FSize rectangleSize, float degrees)`	Returns a recyclable FSize instance.Represents size of a rotated rectangle by degrees.
`static FSize`	`getSizeOfRotatedRectangleByRadians(FSize rectangleSize, float radians)`	Returns a recyclable FSize instance.Represents size of a rotated rectangle by radians.
`static FSize`	`getSizeOfRotatedRectangleByDegrees(float rectangleWidth, float rectangleHeight, float degrees)`	Returns a recyclable FSize instance.Represents size of a rotated rectangle by degrees.
`static FSize`	`getSizeOfRotatedRectangleByRadians(float rectangleWidth, float rectangleHeight, float radians)`	Returns a recyclable FSize instance.Represents size of a rotated rectangle by radians.
`static int`	`getSDKInt()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - init
```
 static void init(Context context)
```
    initialize method, called inside the Chart.init() method.
  - init
```
@Deprecated() static void init(Resources res)
```
    initialize method, called inside the Chart.init() method. backwardscompatibility - to not break existing code
  - convertDpToPixel
```
 static float convertDpToPixel(float dp)
```
    This method converts dp unit to equivalent pixels, depending on devicedensity. NEEDS UTILS TO BE INITIALIZED BEFORE USAGE.
    
    Parameters:
    
    dp - A value in dp (density independent pixels) unit.
  - convertPixelsToDp
```
 static float convertPixelsToDp(float px)
```
    This method converts device specific pixels to density independentpixels. NEEDS UTILS TO BE INITIALIZED BEFORE USAGE.
    
    Parameters:
    
    px - A value in px (pixels) unit.
  - calcTextWidth
```
 static int calcTextWidth(Paint paint, String demoText)
```
    calculates the approximate width of a text, depending on a demo textavoid repeated calls (e.g. inside drawing methods)
  - calcTextHeight
```
 static int calcTextHeight(Paint paint, String demoText)
```
    calculates the approximate height of a text, depending on a demo textavoid repeated calls (e.g. inside drawing methods)
  - getLineHeight
```
 static float getLineHeight(Paint paint)
```
  - getLineHeight
```
 static float getLineHeight(Paint paint, Paint.FontMetrics fontMetrics)
```
  - getLineSpacing
```
 static float getLineSpacing(Paint paint)
```
  - getLineSpacing
```
 static float getLineSpacing(Paint paint, Paint.FontMetrics fontMetrics)
```
  - calcTextSize
```
 static FSize calcTextSize(Paint paint, String demoText)
```
    Returns a recyclable FSize instance.calculates the approximate size of a text, depending on a demo textavoid repeated calls (e.g. inside drawing methods)
  - calcTextSize
```
 static void calcTextSize(Paint paint, String demoText, FSize outputFSize)
```
    calculates the approximate size of a text, depending on a demo textavoid repeated calls (e.g. inside drawing methods)
    
    Parameters:
    
    outputFSize - An output variable, modified by the function.
  - getDefaultValueFormatter
```
 static IValueFormatter getDefaultValueFormatter()
```
  - formatNumber
```
 static String formatNumber(float number, int digitCount, boolean separateThousands)
```
    Formats the given number to the given number of decimals, and returns thenumber as a string, maximum 35 characters. If thousands are separated, the separatingcharacter is a dot (".").
    
    Parameters:
    
    separateThousands - set this to true to separate thousands values
  - formatNumber
```
 static String formatNumber(float number, int digitCount, boolean separateThousands, char separateChar)
```
    Formats the given number to the given number of decimals, and returns thenumber as a string, maximum 35 characters.
    
    Parameters:
    
    separateThousands - set this to true to separate thousands values
    
    separateChar - a caracter to be paced between the "thousands"
  - roundToNextSignificant
```
 static float roundToNextSignificant(double number)
```
    rounds the given number to the next significant number
  - getDecimals
```
 static int getDecimals(float number)
```
    Returns the appropriate number of decimals to be used for the providednumber.
  - convertIntegers
```
 static Array<int> convertIntegers(List<Integer> integers)
```
    Converts the provided Integer List to an int array.
  - copyIntegers
```
 static void copyIntegers(List<Integer> from, Array<int> to)
```
  - convertStrings
```
 static Array<String> convertStrings(List<String> strings)
```
    Converts the provided String List to a String array.
  - nextUp
```
 static double nextUp(double d)
```
    Replacement for the Math.nextUp(...) method that is only available inHONEYCOMB and higher. Dat's some seeeeek sheeet.
  - getPosition
```
 static MPPointF getPosition(MPPointF center, float dist, float angle)
```
    Returns a recyclable MPPointF instance.Calculates the position around a center point, depending on the distancefrom the center, and the angle of the position around the center.
    
    Parameters:
    
    angle - in degrees, converted to radians internally
  - getPosition
```
 static void getPosition(MPPointF center, float dist, float angle, MPPointF outputPoint)
```
  - velocityTrackerPointerUpCleanUpIfNecessary
```
 static void velocityTrackerPointerUpCleanUpIfNecessary(MotionEvent ev, VelocityTracker tracker)
```
  - postInvalidateOnAnimation
```
 static void postInvalidateOnAnimation(View view)
```
    Original method view.postInvalidateOnAnimation() only supportd in API >=16, This is a replica of the code from ViewCompat.
  - getMinimumFlingVelocity
```
 static int getMinimumFlingVelocity()
```
  - getMaximumFlingVelocity
```
 static int getMaximumFlingVelocity()
```
  - getNormalizedAngle
```
 static float getNormalizedAngle(float angle)
```
    returns an angle between 0.f < 360.f (not less than zero, less than 360)
  - drawImage
```
 static void drawImage(Canvas canvas, Drawable drawable, int x, int y, int width, int height)
```
  - drawXAxisValue
```
 static void drawXAxisValue(Canvas c, String text, float x, float y, Paint paint, MPPointF anchor, float angleDegrees)
```
  - drawMultilineText
```
 static void drawMultilineText(Canvas c, StaticLayout textLayout, float x, float y, TextPaint paint, MPPointF anchor, float angleDegrees)
```
  - drawMultilineText
```
 static void drawMultilineText(Canvas c, String text, float x, float y, TextPaint paint, FSize constrainedToSize, MPPointF anchor, float angleDegrees)
```
  - getSizeOfRotatedRectangleByDegrees
```
 static FSize getSizeOfRotatedRectangleByDegrees(FSize rectangleSize, float degrees)
```
    Returns a recyclable FSize instance.Represents size of a rotated rectangle by degrees.
  - getSizeOfRotatedRectangleByRadians
```
 static FSize getSizeOfRotatedRectangleByRadians(FSize rectangleSize, float radians)
```
    Returns a recyclable FSize instance.Represents size of a rotated rectangle by radians.
  - getSizeOfRotatedRectangleByDegrees
```
 static FSize getSizeOfRotatedRectangleByDegrees(float rectangleWidth, float rectangleHeight, float degrees)
```
    Returns a recyclable FSize instance.Represents size of a rotated rectangle by degrees.
  - getSizeOfRotatedRectangleByRadians
```
 static FSize getSizeOfRotatedRectangleByRadians(float rectangleWidth, float rectangleHeight, float radians)
```
    Returns a recyclable FSize instance.Represents size of a rotated rectangle by radians.
  - getSDKInt
```
 static int getSDKInt()
```

Class Utils

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Method Detail

init

init

convertDpToPixel

convertPixelsToDp

calcTextWidth

calcTextHeight

getLineHeight

getLineHeight

getLineSpacing

getLineSpacing

calcTextSize

calcTextSize

getDefaultValueFormatter

formatNumber

formatNumber

roundToNextSignificant

getDecimals

convertIntegers

copyIntegers

convertStrings

nextUp

getPosition

getPosition

velocityTrackerPointerUpCleanUpIfNecessary

postInvalidateOnAnimation

getMinimumFlingVelocity

getMaximumFlingVelocity

getNormalizedAngle

drawImage

drawXAxisValue

drawMultilineText

drawMultilineText

getSizeOfRotatedRectangleByDegrees

getSizeOfRotatedRectangleByRadians

getSizeOfRotatedRectangleByDegrees

getSizeOfRotatedRectangleByRadians

getSDKInt