android set button background programmatically

Question

I would like to know how to set the button color programatically  I have coded the following but fails   Button11 setBackgroundColor R color red     Thanks

User · Answer

Old thread  but learned something new  hope this might help someone   If you want to change the background color but retain other styles  then below might help   button getBackground   setColorFilter ContextCompat getColor this  R color colorAccent   PorterDuff Mode MULTIPLY

User · Answer

I have found that Android Studio gives me a warning that getColor   is deprecated when trying to do this   Button11 setBackgroundColor getResources   getColor R color red     So I found doing the method below to be the simple  up-to-date solution   Button11 setBackgroundColor ContextCompat getColor context  R color red     You want to avoid hard-coding in the color argument  as it is considered bad code style   Edit  After using setBackgroundColor   with my own button  I saw that the internal button padding expanded  I couldn t find any way of changing it back to having both height and width set to  wrap content   Maybe its a bug   Source  https   stackoverflow com a 32202256 6030520

User · Answer

For not changing the size of button on setting the background color   button getBackground   setColorFilter button getContext   getResources   getColor R color colorAccent   PorterDuff Mode MULTIPLY     this didn t change the size of the button and works with the old android versions too

User · Answer

The answer you re looking for in 2020 and beyond    setColorFilter color  mode  is deprecated since API 29  as discussed here  button setBackgroundColor color  messes with the button style   Now the proper way to set a buttons color is using BlendModeColorFilter    see documentation    Usage   btn background colorFilter   BlendModeColorFilter color  BlendMode MULTIPLY    If you work with older APIs too   fun setButtonColor btn  Button  color  Int        if  Build VERSION SDK INT  gt   29          btn background colorFilter   BlendModeColorFilter color  BlendMode MULTIPLY      else         btn background setColorFilter color  PorterDuff Mode MULTIPLY        Please vote to help others finding this answer - it took me quite a while figuring this out

User · Answer

You can set your desired color to the button programmatically like   Button11 setBackgroundColor Android Graphics Color parseColor   738b28       Also you can give the text color for a button like   Button11 setTextColor Android Graphics Color parseColor   FFFFFF

User · Answer

button setBackgroundColor getResources   getColor R color red     Sets the background color for this view  Parameters  color the color of the background  R color red is a reference generated at the compilation in gen

User · Answer

Using setBackgroundColor   affects the style  So  declare a new style of the same properties with respect to the previous button  with a a different color    lt  xml version  1 0  encoding  utf-8   gt   lt shape xmlns android  http   schemas android com apk res android  android shape  rectangle  gt   lt solid android color   color green   gt   lt corners android radius  10dp   gt   lt  shape gt    Now  use OnClick method   location setOnClickListener new View OnClickListener              Override         public void onClick View v                 location setBackgroundResource R drawable green                        this changes the button but looks similar to changing the background

User · Answer

Further from  finnmglas  the Java answer as of 2021 is      if  Build VERSION SDK INT  gt   29          btn getBackground   setColorFilter new BlendModeColorFilter color  BlendMode MULTIPLY        else         btn getBackground   setColorFilter color  PorterDuff Mode MULTIPLY

User · Answer

R color red is an ID  which is also an int   but is not a color   Use one of the following instead      If you re in an activity  Button11 setBackgroundColor getResources   getColor R color red       OR  if you re not   Button11 setBackgroundColor Button11 getContext   getResources   getColor R color red      Or  alternatively   Button11 setBackgroundColor Color RED      From android graphics Color   Or  for more pro skills   Button11 setBackgroundColor 0xFFFF0000      0xAARRGGBB

[android] android set button background programmatically

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