Using a custom typeface in Android

Question

I want to use a custom font for my android application which I am creating  I can individually change the typeface of each object from Code  but I have hundreds of them   So    Is there a way to do this from the XML   Setting a custom typeface  Is there a way to do it from code in one place  to say that the whole application and all the components should use the custom typeface instead of the default one

User · Answer

Use  fontPath  attribute directly in xml file   for use in style xml    lt item name  fontPath  fonts ProximaNovaSemibold ttf lt  item   for use in direct layout file   fontPath  fonts ProximaNovaBold ttf    Note   No need to use app android attribute in prefix

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I was able to do this in a centralized way  here is the result     I have following Activity and I extend from it if I need custom fonts   import android app Activity  import android content Context  import android os Bundle  import android util AttributeSet  import android view LayoutInflater Factory  import android view LayoutInflater  import android view View  import android widget TextView   public class CustomFontActivity extends Activity    Override protected void onCreate Bundle savedInstanceState        getLayoutInflater   setFactory new Factory               Override         public View onCreateView String name  Context context                  AttributeSet attrs                View v   tryInflate name  context  attrs               if  v instanceof TextView                    setTypeFace  TextView  v                             return v                        super onCreate savedInstanceState       setContentView R layout activity main      private View tryInflate String name  Context context  AttributeSet attrs        LayoutInflater li   LayoutInflater from context       View v   null      try           v   li createView name  null  attrs          catch  Exception e            try               v   li createView  android widget     name  null  attrs             catch  Exception e1                        return v     private void setTypeFace TextView tv        tv setTypeface FontUtils getFonts this   MTCORSVA TTF           But if I am using an activity from support package e g  FragmentActivity then I use this Activity    import android annotation TargetApi  import android content Context  import android os Build  import android os Bundle  import android support v4 app FragmentActivity  import android util AttributeSet  import android view LayoutInflater  import android view View  import android widget TextView   public class CustomFontFragmentActivity extends FragmentActivity     Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main         we can t setLayout Factory as its already set by FragmentActivity so we    use this approach  Override public View onCreateView String name  Context context  AttributeSet attrs        View v   super onCreateView name  context  attrs       if  v    null            v   tryInflate name  context  attrs           if  v instanceof TextView                setTypeFace  TextView  v                       return v      TargetApi Build VERSION CODES HONEYCOMB   Override public View onCreateView View parent  String name  Context context          AttributeSet attrs        View v   super onCreateView parent  name  context  attrs       if  v    null            v   tryInflate name  context  attrs           if  v instanceof TextView                setTypeFace  TextView  v                       return v     private View tryInflate String name  Context context  AttributeSet attrs        LayoutInflater li   LayoutInflater from context       View v   null      try           v   li createView name  null  attrs         catch  Exception e            try               v   li createView  android widget     name  null  attrs             catch  Exception e1                        return v     private void setTypeFace TextView tv        tv setTypeface FontUtils getFonts this   MTCORSVA TTF           I haven t tested this code with Fragments yet  but hopefully it will work    My FontUtils is simple which also solves the pre-ICS issue mentioned here https   code google com p android issues detail id 9904   import java util HashMap  import java util Map   import android content Context  import android graphics Typeface   public class FontUtils    private static Map lt String  Typeface gt  TYPEFACE   new HashMap lt String  Typeface gt      public static Typeface getFonts Context context  String name         Typeface typeface   TYPEFACE get name       if  typeface    null            typeface   Typeface createFromAsset context getAssets     fonts                     name           TYPEFACE put name  typeface             return typeface

User · Answer

Absolutely possible  Many ways to do it  The fastest way  create condition with try - catch method   try your certain font style condition  catch the error  and define the other font style

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The default implementations of LayoutInflater do not support specifying the font typeface from xml  I have however seen it done in xml by providing a custom factory for the LayoutInflater that will parse such attributes from the xml tag   The basic structure would like this   public class TypefaceInflaterFactory implements LayoutInflater Factory         Override     public View onCreateView String name  Context context  AttributeSet attrs               CUSTOM CODE TO CREATE VIEW WITH TYPEFACE HERE            RETURNING NULL HERE WILL TELL THE INFLATER TO USE THE            DEFAULT MECHANISMS FOR INFLATING THE VIEW FROM THE XML           public class BaseActivity extends Activity         Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           LayoutInflater from this  setFactory new TypefaceInflaterFactory               This article provides a more in depth explanation of these mechanisms and how the author attempts to provide xml layout support for typefaces in this way  The code for the author s implementation can be found here

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Yes it is possible by overriding the default typeface  I followed this solution and it worked like a charm for all TextViews and ActionBar text too with a single change   public class MyApp extends Application       Override   public void onCreate         TypefaceUtil overrideFont getApplicationContext     SERIF    fonts Roboto-Regular ttf       font from assets   assets fonts Roboto-Regular ttf         styles xml   lt  -- Base application theme  -- gt   lt style name  AppTheme  parent  Theme AppCompat Light NoActionBar  gt       lt  -- Customize your theme here  -- gt       lt item name  colorPrimary  gt  color pantone lt  item gt       lt item name  colorPrimaryDark  gt  color colorPrimaryDark lt  item gt       lt item name  colorAccent  gt  color colorAccent lt  item gt       lt item name  android windowTranslucentStatus  tools targetApi  kitkat  gt true lt  item gt       lt item name  android windowDisablePreview  gt true lt  item gt       lt item name  android typeface  gt serif lt  item gt   lt  style gt    Instead of themes xml as mentioned in the above link  I mentioned the default font to override in my styles xml in my default app theme tag  The default typefaces that can be overwritten are serif  sans  monospace and normal   TypefaceUtil java  public class TypefaceUtil                   Using reflection to override default typeface        NOTICE  DO NOT FORGET TO SET TYPEFACE FOR APP THEME AS DEFAULT TYPEFACE WHICH WILL BE OVERRIDDEN         param context to work with assets         param defaultFontNameToOverride for example  monospace          param customFontFileNameInAssets file name of the font from assets             public static void overrideFont Context context  String defaultFontNameToOverride  String customFontFileNameInAssets            try               final Typeface customFontTypeface   Typeface createFromAsset context getAssets    customFontFileNameInAssets                final Field defaultFontTypefaceField   Typeface class getDeclaredField defaultFontNameToOverride               defaultFontTypefaceField setAccessible true               defaultFontTypefaceField set null  customFontTypeface             catch  Exception e                Log e  Can not set custom font     customFontFileNameInAssets     instead of     defaultFontNameToOverride                       Initially  I didnt know the typefaces to be overwritten are fixed and set of defined values but eventually it helped me understand how Android deals with fonts and typefaces and their default values  which is a different point ofcourse

User · Answer

Hey i also need 2 different fonts in my app for different widgeds  I use this way   In my Application class i create an static method   public static Typeface getTypeface Context context  String typeface        if  mFont    null            mFont   Typeface createFromAsset context getAssets    typeface             return mFont      The String typeface represents the xyz ttf in the asset folder   i created an Constants Class  Now you can use this everywhere in your app   mTextView    TextView  findViewById R id text view   mTextView setTypeface MyApplication getTypeface this  Constants TYPEFACE XY      The only problem is  you need this for every widget where you want to use the Font  But i think this is the best way

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Working for Xamarin Android   Class   public class FontsOverride       public static void SetDefaultFont Context context  string staticTypefaceFieldName  string fontAssetName                Typeface regular   Typeface CreateFromAsset context Assets  fontAssetName           ReplaceFont staticTypefaceFieldName  regular              protected static void ReplaceFont string staticTypefaceFieldName  Typeface newTypeface                try                       Field staticField     Java Lang Object  newTypeface   Class GetDeclaredField staticTypefaceFieldName               staticField Accessible   true              staticField Set null  newTypeface                     catch  Exception e                        Console WriteLine e Message                       Application Implementation   namespace SomeAndroidApplication        Application      public class App   Application               public App                                 public App IntPtr handle  JniHandleOwnership transfer                base handle  transfer                                public override void OnCreate                         base OnCreate                 FontsOverride SetDefaultFont this   MONOSPACE    fonts Roboto-Light ttf                        Style    lt style name  Theme Storehouse  parent  Theme Sherlock  gt       lt item name  android typeface  gt monospace lt  item gt   lt  style gt

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It looks like using custom fonts has been made easy with Android O  you can basically use xml to achieve this  I have attached a link to Android official documentation for reference  and hopefully this will help people who still need this solution  Working with custom fonts in Android

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I think there can be a handier way to do it  The following class will set a custom type face for all your the components of your application  with a setting per class           Base Activity of our app hierarchy      author SNI     public class BaseActivity extends Activity        private static final String FONT LOG CAT TAG    FONT       private static final boolean ENABLE FONT LOGGING   false       private Typeface helloTypeface        Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           helloTypeface   Typeface createFromAsset getAssets     fonts  lt your type face in assets fonts folder gt  ttf                Override     public View onCreateView String name  Context context  AttributeSet attrs            View view   super onCreateView name  context  attrs           return setCustomTypeFaceIfNeeded name  attrs  view               Override     public View onCreateView View parent  String name  Context context  AttributeSet attrs            View view   super onCreateView parent  name  context  attrs           return setCustomTypeFaceIfNeeded name  attrs  view              protected View setCustomTypeFaceIfNeeded String name  AttributeSet attrs  View view            View result   null          if   TextView  equals name                 result   new TextView this  attrs                 TextView  result  setTypeface helloTypeface                      if   EditText  equals name                 result   new EditText this  attrs                 EditText  result  setTypeface helloTypeface                      if   Button  equals name                 result   new Button this  attrs                 Button  result  setTypeface helloTypeface                      if  result    null                return view            else               if  ENABLE FONT LOGGING                    Log v FONT LOG CAT TAG   A type face was set on     result getId                               return result

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majinboo s answer is revised for performance and memory management  Any more than one font need related Activity can use this Font class by giving the constructor itself as a parameter    Override public void onCreate Bundle savedInstanceState        Font font   new Font this       Revised Fonts class is as below   public class Fonts       private HashMap lt AssetTypefaces  Typeface gt  hashMapFonts       private enum AssetTypefaces               RobotoLight          RobotoThin          RobotoCondensedBold          RobotoCondensedLight          RobotoCondensedRegular            public Fonts Context context                AssetManager mngr   context getAssets             hashMapFonts   new HashMap lt AssetTypefaces  Typeface gt             hashMapFonts put AssetTypefaces RobotoLight  Typeface createFromAsset mngr   fonts Roboto-Light ttf             hashMapFonts put AssetTypefaces RobotoThin  Typeface createFromAsset mngr   fonts Roboto-Thin ttf             hashMapFonts put AssetTypefaces RobotoCondensedBold  Typeface createFromAsset mngr   fonts RobotoCondensed-Bold ttf             hashMapFonts put AssetTypefaces RobotoCondensedLight  Typeface createFromAsset mngr   fonts RobotoCondensed-Light ttf             hashMapFonts put AssetTypefaces RobotoCondensedRegular  Typeface createFromAsset mngr   fonts RobotoCondensed-Regular ttf                private Typeface getTypeface String fontName                try                       AssetTypefaces typeface   AssetTypefaces valueOf fontName               return hashMapFonts get typeface                     catch  IllegalArgumentException e                           e printStackTrace                return Typeface DEFAULT                       public void setupLayoutTypefaces View v                try                       if  v instanceof ViewGroup                                ViewGroup vg    ViewGroup  v                  for  int i   0  i  lt  vg getChildCount    i                                          View child   vg getChildAt i                       setupLayoutTypefaces child                                               else if  v instanceof TextView                                  TextView  v  setTypeface getTypeface v getTag   toString                                      catch  Exception e                        e printStackTrace                   ignore

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I don t know if it changes the whole app  but I have managed to change some components that couldn t otherwise be changed by doing this   Typeface tf   Typeface createFromAsset getAssets     fonts Lucida Sans Unicode ttf    Typeface class getField  DEFAULT   setAccessible true   Typeface class getField  DEFAULT BOLD   setAccessible true   Typeface class getField  DEFAULT   set null  tf   Typeface class getField  DEFAULT BOLD   set null  tf

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I did this in a more  brute force  way that doesn t require changes to the layout xml or Activities    Tested on Android version 2 1 through 4 4   Run this at app startup  in your Application class    private void setDefaultFont          try           final Typeface bold   Typeface createFromAsset getAssets    DEFAULT BOLD FONT FILENAME           final Typeface italic   Typeface createFromAsset getAssets    DEFAULT ITALIC FONT FILENAME           final Typeface boldItalic   Typeface createFromAsset getAssets    DEFAULT BOLD ITALIC FONT FILENAME           final Typeface regular   Typeface createFromAsset getAssets   DEFAULT NORMAL FONT FILENAME            Field DEFAULT   Typeface class getDeclaredField  DEFAULT            DEFAULT setAccessible true           DEFAULT set null  regular            Field DEFAULT BOLD   Typeface class getDeclaredField  DEFAULT BOLD            DEFAULT BOLD setAccessible true           DEFAULT BOLD set null  bold            Field sDefaults   Typeface class getDeclaredField  sDefaults            sDefaults setAccessible true           sDefaults set null  new Typeface                    regular  bold  italic  boldItalic                    catch  NoSuchFieldException e            logFontError e         catch  IllegalAccessException e            logFontError e         catch  Throwable e              cannot crash app if there is a failure with overriding the default font          logFontError e             For a more complete example  see http   github com perchrh FontOverrideExample

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Yes It is possible   You have to create a custom view which extends text view   In attrs xml in values folder    lt resources gt       lt declare-styleable name  MyTextView  gt           lt attr name  first name  format  string   gt           lt attr name  last name  format  string   gt           lt attr name  ttf name  format  string   gt       lt  declare-styleable gt   lt  resources gt    In main xml    lt LinearLayout xmlns android  http   schemas android com apk res android       xmlns lht  http   schemas android com apk res com lht      android orientation  vertical      android layout width  fill parent      android layout height  fill parent       gt       lt TextView  android layout width  fill parent           android layout height  wrap content          android text  Hello   gt       lt com lht ui MyTextView           android id    id MyTextView          android layout width  fill parent           android layout height  wrap content          android text  Hello friends          lht ttf name  ITCBLKAD TTF            gt      lt  LinearLayout gt    In MyTextView java   package com lht ui   import android content Context  import android graphics Typeface  import android util AttributeSet  import android util Log  import android widget TextView   public class MyTextView extends TextView        Context context      String ttfName       String TAG   getClass   getName         public MyTextView Context context  AttributeSet attrs            super context  attrs           this context   context           for  int i   0  i  lt  attrs getAttributeCount    i                  Log i TAG  attrs getAttributeName i                                  Read value of custom attributes                              this ttfName   attrs getAttributeValue                       http   schemas android com apk res com lht    ttf name                Log i TAG   firstText     firstText                  Log i TAG   lastText    lastText                init                          private void init             Typeface font   Typeface createFromAsset context getAssets    ttfName           setTypeface font               Override     public void setTypeface Typeface tf                TODO Auto-generated method stub         super setTypeface tf

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I use DataBinding for this  with Kotlin    Set up BindingAdapter  BindingAdapter kt import android graphics Typeface import android view View import android view ViewGroup import android widget TextView import androidx databinding BindingAdapter import java util     object BindingAdapters          JvmStatic      BindingAdapter  quot typeface quot    quot typefaceStyle quot       fun setTypeface v  TextView  tf  Typeface   style  Int             v setTypeface tf    Typeface DEFAULT  style    Typeface NORMAL           Usage  fragment custom view xml  lt layout xmlns android  quot http   schemas android com apk res android quot      xmlns app  quot http   schemas android com apk res-auto quot      xmlns tools  quot http   schemas android com tools quot  gt        lt data gt            lt import type  quot android graphics Typeface quot    gt            lt variable             name  quot typeface quot              type  quot android graphics Typeface quot    gt        lt  data gt         lt TextView         android id  quot   id reference quot          style  quot  style TextAppearance MaterialComponents Body1 quot          android layout width  quot wrap content quot          android layout height  quot wrap content quot          android text  quot I m formatted text quot          app typeface  quot   typeface  quot          app typefaceStyle  quot   Typeface ITALIC  quot    gt    lt  layout gt   MyFragment kt override fun onViewCreated view  View  savedInstanceState  Bundle             super onViewCreated view  savedInstanceState           binding   FragmentCustomView bind view          binding typeface      some code to get user selected typeface      Now  if the user selects a new typeface you can just update the binding value and all your TextViews that you ve set app typeface will get updated

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Is there a way to do this from the   XML    No  sorry  You can only specify the built-in typefaces through XML      Is there a way to do it from code in   one place  to say that the whole   application and all the components   should use the custom typeface instead   of the default one    Not that I am aware of   There are a variety of options for these nowadays    Font resources and backports in the Android SDK  if you are using appcompat Third-party libraries for those not using appcompat  though not all will support defining the font in layout resources

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Setting a custom font to a regular ProgressDialog AlertDialog   font Typeface createFromAsset getAssets    DroidSans ttf     ProgressDialog dialog   ProgressDialog show this   titleText    messageText   true     TextView dialog findViewById Resources getSystem   getIdentifier  message    id    android     setTypeface font     TextView dialog findViewById Resources getSystem   getIdentifier  alertTitle    id    android     setTypeface font

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I found a nice solution on the blog of Lisa Wray  With the new data binding it is possible to set the font in your XML files    BindingAdapter   bind font    public static void setFont TextView textView  String fontName       textView setTypeface Typeface createFromAsset textView getContext   getAssets     fonts     fontName        In XML    lt TextView app font     Source-Sans-Pro-Regular ttf        android layout width  wrap content      android layout height  wrap content   gt

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I like pospi s suggestion  Why not go all-out any use the  tag  property of a view  which you can specify in XML -  android tag   to specify any additional styling that you can t do in XML  I like JSON so I d use a JSON string to specify a key value set  This class does the work - just call Style setContentView this   resource id   in your activity   public class Style               Style a single view          public static void apply View v        if  v getTag      null          try           JSONObject json   new JSONObject  String v getTag             if  json has  typeface    amp  amp  v instanceof TextView                TextView v  setTypeface Typeface createFromAsset v getContext   getAssets                                                                 json getString  typeface                              catch  JSONException e               Some views have a tag without it being explicitly set                                Style the passed view hierarchy          public static View applyTree View v        apply v       if  v instanceof ViewGroup          ViewGroup g    ViewGroup v        for  int i   0  i  lt  g getChildCount    i              applyTree g getChildAt i                      return v                  Inflate  style  and set the content view for the passed activity          public static void setContentView Activity activity  int resource        activity setContentView applyTree activity getLayoutInflater   inflate resource  null             Obviously you d want to handle more than just the typeface to make using JSON worthwhile    A benefit of the  tag  property is that you can set it on a base style which you use as a theme and thus have it apply to all of your views automatically  EDIT  Doing this results in a crash during inflation on Android 4 0 3  You can still use a style and apply it to text views individually   One thing you ll see in the code - some views have a tag without one being explicitly set - bizarrely it s the string   p   p   - which is  cut  in greek  according to google translate  What the hell

User · Answer

It may be useful to know that starting from Android 8 0  API level 26  you can use a custom font in XML   Simply put  you can do it in the following way    Put the font in the folder res font  Either use it in the attribute of a widget     lt Button android fontFamily   font myfont   gt   or put it in res values styles xml   lt style name  MyButton  parent  android Widget Button  gt       lt item name  android fontFamily  gt  font myfont lt  item gt   lt  style gt    and use it as a style   lt Button style   style MyButton   gt

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Although I am upvoting Manish s answer as the fastest and most targeted method  I have also seen naive solutions which just recursively iterate through a view hierarchy and update all elements  typefaces in turn  Something like this   public static void applyFonts final View v  Typeface fontToSet        try           if  v instanceof ViewGroup                ViewGroup vg    ViewGroup  v              for  int i   0  i  lt  vg getChildCount    i                      View child   vg getChildAt i                   applyFonts child  fontToSet                           else if  v instanceof TextView                  TextView v  setTypeface fontToSet                   catch  Exception e            e printStackTrace               ignore           You would need to call this function on your views both after inflating layout and in your Activity s onContentChanged   methods

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Using pospi s suggestion and working with the  tag  property like Richard did  i created a custom class that loads my custom fonts and applies them to the views according to their tags   So basicly  instead of setting the TypeFace in the attribute android fontFamily you are using the android tag attritube and set it to one of the defined enums   public class Fonts       private AssetManager mngr       public Fonts Context context            mngr   context getAssets              private enum AssetTypefaces           RobotoLight          RobotoThin          RobotoCondensedBold          RobotoCondensedLight          RobotoCondensedRegular            private Typeface getTypeface AssetTypefaces font            Typeface tf   null          switch  font                case RobotoLight                  tf   Typeface createFromAsset mngr  fonts Roboto-Light ttf                    break              case RobotoThin                  tf   Typeface createFromAsset mngr  fonts Roboto-Thin ttf                    break              case RobotoCondensedBold                  tf   Typeface createFromAsset mngr  fonts RobotoCondensed-Bold ttf                    break              case RobotoCondensedLight                  tf   Typeface createFromAsset mngr  fonts RobotoCondensed-Light ttf                    break              case RobotoCondensedRegular                  tf   Typeface createFromAsset mngr  fonts RobotoCondensed-Regular ttf                    break              default                  tf   Typeface DEFAULT                  break                    return tf            public void setupLayoutTypefaces View v            try               if  v instanceof ViewGroup                    ViewGroup vg    ViewGroup  v                  for  int i   0  i  lt  vg getChildCount    i                          View child   vg getChildAt i                       setupLayoutTypefaces child                                   else if  v instanceof TextView                    if  v getTag   toString   equals AssetTypefaces RobotoLight toString                            TextView v  setTypeface getTypeface AssetTypefaces RobotoLight                     else if  v getTag   toString   equals AssetTypefaces RobotoCondensedRegular toString                             TextView v  setTypeface getTypeface AssetTypefaces RobotoCondensedRegular                     else if  v getTag   toString   equals AssetTypefaces RobotoCondensedBold toString                             TextView v  setTypeface getTypeface AssetTypefaces RobotoCondensedBold                     else if  v getTag   toString   equals AssetTypefaces RobotoCondensedLight toString                             TextView v  setTypeface getTypeface AssetTypefaces RobotoCondensedLight                     else if  v getTag   toString   equals AssetTypefaces RobotoThin toString                             TextView v  setTypeface getTypeface AssetTypefaces RobotoThin                                              catch  Exception e                e printStackTrace                   ignore                     In your Activity or Fragment you just call  Fonts fonts   new Fonts getActivity     fonts setupLayoutTypefaces mainLayout

[xml] Using a custom typeface in Android

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