com.matthewtamlin.android_utilities_library.helpers

Class ColorHelper

java.lang.Object

com.matthewtamlin.android_utilities_library.helpers.ColorHelper

public final class ColorHelper
extends java.lang.Object

Static utility class for working with colors.

Method Summary

Modifier and Type	Method and Description
static int	blendColors(int color1, int color2, float ratio) Blends two colours to produce a single output colour.
static int	getAccentColor(android.content.Context context, int defaultColor) Extracts the accent color from a theme.
static int	getPrimaryColor(android.content.Context context, int defaultColor) Extracts the primary color from a theme.
static int	getPrimaryDarkColor(android.content.Context context, int defaultColor) Extracts the primary dark color from a theme.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

blendColors

public static int blendColors(int color1,
                              int color2,
                              float ratio)

Blends two colours to produce a single output colour. No check is done to ensure the provided colors are valid ARGB hex codes. Providing invalid codes will result in an undefined result.

Parameters:

color1 - ARGB hex code for the first colour to blend

color2 - ARGB hex code for the second colour to blend

ratio - the proportion of color1 to use in the blended result, between 0 and 1 (inclusive)

Returns:

the ARGB code for the blended colour

Throws:

java.lang.IllegalArgumentException - if ratio is not between 0 and 1 (inclusive)

getPrimaryColor

public static int getPrimaryColor(android.content.Context context,
                                  int defaultColor)

Extracts the primary color from a theme.

Parameters:

context - the context to get the theme of

defaultColor - the color to return if no primary color is found, as an ARGB hex code

Returns:

the primary color or the default if not found

getPrimaryDarkColor

public static int getPrimaryDarkColor(android.content.Context context,
                                      int defaultColor)

Extracts the primary dark color from a theme.

Parameters:

context - the context to get the theme of

defaultColor - the color to return if no primary dark color is found, as an ARGB hex code

Returns:

the primary dark color or the default if not found

getAccentColor

public static int getAccentColor(android.content.Context context,
                                 int defaultColor)

Extracts the accent color from a theme.

Parameters:

context - the context to get the theme of

defaultColor - the color to return if no accent color is found, as an ARGB hex code

Returns:

the accent color or the default if not found