Convert hex color value ffffff to integer value

Question

I am receiving hex color values from a server  in this form   xxxxxx   example  000000 for black   How do I convert this to an integer value    I tried doing Integer valueOf  0x    passedColor substring 1  passedColor length     to get an even more hextastic 0x000000 result  but this isn t intepreted as an int here  any other suggestions   I receive an error  08-03 21 06 24 673  ERROR AndroidRuntime 20231   java lang NumberFormatException  unable to parse  0x00C8FBFE  as integer  I am using the Android SDK for their setBackgroundColor int color  function  which takes - as you might have guessed - an integer color value   This is the OPPOSITE of this question  How to convert a color integer to a hex String in Android

User · Answer

The real answer is this simplest and easiest       String white     ffffff   int whiteInt   Color parseColor white

User · Answer

Get Shared Preferences Color Code in String then Convert to integer and add layout-background color       sharedPreferences   getSharedPreferences mypref  Context MODE PRIVATE       String sw sharedPreferences getString name           relativeLayout setBackgroundColor Color parseColor sw

User · Answer

Try this  create drawable in your resource      lt shape xmlns android  http   schemas android com apk res android   gt       lt solid android color   color white   gt       lt size android height  20dp          android width  20dp   gt   lt  shape gt    then use      Drawable mDrawable   getActivity   getResources   getDrawable R drawable bg rectangle multicolor   mDrawable setColorFilter Color parseColor color   PorterDuff Mode SRC IN   mView1 setBackground mDrawable     with color      FFFFFF   if the color is transparent use    setAlpha  mView1 setAlpha x   with x float 0-1 Ej  0 9f   Good Luck

User · Answer

I have the same problem that I found some color in form of  AAAAAA and I want to conver that into a form that android could make use of   I found that you can just use 0xFFAAAAAA so that android could automatically tell the color  Notice the first FF is telling alpha value   Hope it helps

User · Answer

Answer is really simple guys  in android if you want to convert hex color in to int  just use android Color class  example shown as below  this is for light gray color  Color parseColor   a8a8a8      Thats it and you will get your result

User · Answer

The real answer is to use   Color parseColor myPassedColor  in Android  myPassedColor being the hex value like  000 or  000000 or  00000000   However  this function does not support shorthand hex values such as  000

User · Answer

Integer parseInt myString replaceFirst           16

User · Answer

Based on CQM s answer and on ovokerie-ogbeta s answer to another question I ve come up with this solution     if  colorAsString length      4        XXX     colorAsString   colorAsString replaceAll     0-9a-fA-F    0-9a-fA-F    0-9a-fA-F        1 1 2 2 3 3       int color   Color parseColor colorAsString

User · Answer

I was facing the same problem  This way I was able to solved it   As CQM said  using Color parseColor   is a good solution to this issue   Here is the code I used   this Button C setTextColor Color parseColor prefs getString  color prefs   String valueOf R color green        In this case my target was to change the Button s text color  Button C  when I change the color selection from my Preferences  color prefs

[java] Convert hex color value ( #ffffff ) to integer value

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