Change the background color of a pop-up dialog

Question

I wrote android code that shows a pop-up dialog but I want to change the background color from black to white   and then the color of the writing   This is the dialog s code    mPrefs   PreferenceManager getDefaultSharedPreferences this        Boolean welcomeScreenShown   mPrefs getBoolean welcomeScreenShownPref  false        if   welcomeScreenShown              String whatsNewText   getResources   getString R string Text           new AlertDialog Builder this  setMessage whatsNewText  setPositiveButton                  R string ok  new DialogInterface OnClickListener                public void onClick DialogInterface dialog  int which                    dialog dismiss                             show            SharedPreferences Editor editor   mPrefs edit            editor putBoolean welcomeScreenShownPref  true           editor commit       Very important to save the preference

User · Answer

To expand on  DaneWhite s answer  you don t have to rely on the built-in themes  You can easily supply your own style    lt style name  MyDialogTheme  parent  Theme AppCompat Light Dialog Alert  gt       lt item name  android background  gt  color myColor lt  item gt   lt  style gt    and then apply it in the Builder constructor   Java   AlertDialog alertDialog   new AlertDialog Builder getContext    R style MyDialogTheme                       create      Kotlin    var alertDialog   AlertDialog Builder context  R style MyDialogTheme                       create     This should work whether you are using android support v7 app AlertDialog or android app AlertDialog  This also works better than  DummyData s answer because you don t resize the dialog  If you set window s background drawable you overwrite some existing dimensional information and get a dialog that is not standard width   If you set background on theme and the set the theme on dialog you ll end up with a dialog that is colored how you want but still the correct width

User · Answer

You can use a custom style      lt  -- Alert Dialog -- gt     lt style name  ThemeOverlay MaterialComponents MaterialAlertDialog Background  parent   style ThemeOverlay MaterialComponents MaterialAlertDialog  gt       lt  -- Background Color-- gt       lt item name  android background  gt  color       lt  item gt       lt  -- Text Color for title and message -- gt       lt item name  colorOnSurface  gt  color        lt  item gt       lt  -- Style for positive button -- gt       lt item name  buttonBarPositiveButtonStyle  gt  style PositiveButtonStyle lt  item gt       lt  -- Style for negative button -- gt       lt item name  buttonBarNegativeButtonStyle  gt  style NegativeButtonStyle lt  item gt     lt  style gt      lt style name  PositiveButtonStyle  parent   style Widget MaterialComponents Button  gt       lt  -- text color for the button -- gt       lt item name  android textColor  gt  color       lt  item gt       lt  -- Background tint for the button -- gt       lt item name  backgroundTint  gt  color primaryDarkColor lt  item gt     lt  style gt    And just use the default MaterialAlertDialogBuilder       new MaterialAlertDialogBuilder AlertDialogActivity this          R style ThemeOverlay MaterialComponents MaterialAlertDialog Background           setTitle  Dialog            setMessage  Message                     setPositiveButton  Ok      listener      null           show

User · Answer

I order to change the dialog buttons and background colors  you will need to extend the Dialog theme  eg     lt style name  MyDialogStyle  parent  android Theme Material Light Dialog NoActionBar  gt       lt item name  android buttonBarButtonStyle  gt  style MyButtonsStyle lt  item gt       lt item name  android colorBackground  gt  color white lt  item gt   lt  style gt    lt style name  MyButtonsStyle  parent  Widget AppCompat Button ButtonBar AlertDialog  gt       lt item name  android textColor  gt  color light blue lt  item gt   lt  style gt    After that  you need to pass this custom style to the dialog builder  eg  like this   AlertDialog Builder requireContext    R style MyDialogStyle    If you want to change the color of the text inside the dialog  you can pass a custom view to this Builder    AlertDialog Builder setView View    or   AlertDialog Builder setView  LayoutResource int

User · Answer

You can create a custom alertDialog and use a xml layout  in the layout  you can set the background color and textcolor   Something like this   Dialog dialog   new Dialog this  android R style Theme Translucent NoTitleBar   LayoutInflater inflater    LayoutInflater ActivityName this getSystemService LAYOUT INFLATER SERVICE   View layout   inflater inflate R layout custom layout  ViewGroup findViewById R id layout root    dialog setContentView view

User · Answer

If you just want a light theme and aren t particular about the specific color  then you can pass a theme id to the AlertDialog Builder constructor   AlertDialog Builder this  AlertDialog THEME HOLO LIGHT       or  AlertDialog Builder this  AlertDialog THEME DEVICE DEFAULT LIGHT

User · Answer

Only update your import   import android app AlertDialog    to  import android support v7 app AlertDialog    It will be fixed

User · Answer

For any dialog called myDialog  after calling myDialog show    you can call   myDialog getWindow   getDecorView   getBackground   setColorFilter new LightingColorFilter 0xFF000000  CUSTOM COLOR      where CUSTOM COLOR is in 8-digit hex format  ex  0xFF303030  Here  FF is the alpha value and the rest is the color value in hex

User · Answer

Credit goes to Sushil  Create your AlertDialog as usual   AlertDialog Builder dialog   new AlertDialog Builder getContext     Dialog dialog   dialog create    dialog show      After calling show   on your dialog  set the background color like this   dialog getWindow   setBackgroundDrawableResource android R color background dark

User · Answer

Use setInverseBackgroundForced true  on the alert dialog builder to invert the background

User · Answer

To change the background color of all dialogs and pop-ups in your app  use colorBackgroundFloating attribute    lt style name  MyApplicationTheme  parent   style Theme AppCompat NoActionBar  gt       lt item name  colorBackgroundFloating  gt       color background lt  item gt   lt item name  android colorBackgroundFloating  tools targetApi  23  gt       color background lt  item gt       lt  style gt    Documentation   colorBackgroundFloating

[android] Change the background color of a pop-up dialog

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