Develop Reference

Adding costum font to android in font family xml

In the android guides for Fonts in XML, they give the example of font family XML you create by adding:
android:font="#font/lobster_regular"
Which I think its the font you added to your assets/font folder. But when i try it I don't get it why it isn't able to find the font I've added. It only fins sans, serif and mono-space. Anyone have a clue what it might be the problem?
I know there are other ways to add a custom font, but due to the material calendar that I want to use, I need it to define in the styles XML, only way to customize it. I tried calligraphy lib, but does not help.

Using typeface you easily set font family
Typeface type = Typeface.createFromAsset(getAssets(),
"fonts/fontname");
now set this typeface to your textview
tv.setTypeface(type);

Add this to your activity code:
TextView tv = (TextView) findViewById(R.id.appname);
Typeface face = Typeface.createFromAsset(getAssets(),
"fonts/fontname");
tv.setTypeface(face);
Note that for this you'll have to create a fonts folder at app/src/main/assets

I can't apply Typeface programmatically for Google font in Android Studio

I added a Google font using Android Studio,
It created a 'font' folder and under it is an XML file as follow:
res -> font -> font_name.xml
I'm trying to apply it programmatically but I can'y find how to do it,
I've tried several codes but nothing worked, examples:
Typeface font = Typeface.createFromFile("font/font_name.xml");
or
Typeface font = Typeface.createFromAsset(getAssets(), "#font/font_name");
Please note,
The 'font' folder along with the 'font_name.xml' file,
Were created automatically by Android Studio.
Your help would be appreciated,
Thank you.

I am certainly not an expert, but I managed to get my Typefaces working.
Firstly, this thread contains a lot of useful info:
Custom fonts and XML layouts (Android)
Now specifically to your problem, the way I managed to get Typefaces to work is by downloading a .ttf file either somewhere online, or when using android studio and clicking more fonts, set the radio button to add font to project. That will download the .ttf to res\font\font.ttf Move it to your assets directory into fonts folder and then create the typeface like this:
Typeface typeface = Typeface.createFromAsset(getAssets(), "fonts/font.ttf");
If you want to use your font often and don't want to bother setting it every time, a good idea might be extending a TextView or whatever class you need and using the .setTypeface() method in the custom constructor.

Just solved this myself, here is what I have put together.
Typeface font = Typeface.create("cursive", Typeface.NORMAL);
Log.e("Setup", "Font: " + font.getStyle());
signatureButton.setTypeface(font);
The log just checks if you have selected an acceptable font, it should return 0 if not. The hardest part was finding a font family that worked. The key is to go to your XML file and type "android:fontFamily=" from here a suggestion list should pop up with choices at the bottom.

To change the google font family
Typeface typeface = ResourcesCompat.getFont(this, R.font.your_font);
textView.setTypeface(typeface);
Add that to your fonts folder then use them in the XML or programmatically.

how to set different font styles to text views

I need complete details regarding setting the fonts of various styles and in which folders we have to mention the styles and everything.
like ProximoNova-Semibold.otf,ProximoNova-Regular.otf

Download the required font from the internet, and then place it in assets/fonts folder.
You can access it in your java code through Typeface class.
TextView tx = (TextView)findViewById(R.id.textview1);
Typeface custom_font = Typeface.createFromAsset(getAssets(), "fonts/font name.ttf");
tx.setTypeface(custom_font);

You can use calligraphy library with custom options available in library. Otherwise use includeMe's code.

Android Arabic/Farsi Fonts

I am developing an Android aap that uses Arabic Fonts.
I have successfully display Arabic text by using "tahoma.ttf"
But problem is that these Arabic Fonts Didn't give a cool look.
So i wanted to change that Font Style. Is there any way of doing this ?

If you want to use external font do :
First step is to pick a font that you want to use.
Create a fonts folder in your assets directory and copy your font there.
To access your custom font,use the Typeface class in the Android SDK to create a typeface that Android can use, then set any display elements that need to use your custom font appropriately.
Unfortunately, you can no longer use layout XML for this, since the XML does not know about any fonts you may have tucked away as an application asset.You can do like this in your code:
Typeface tf = Typeface.createFromAsset(getAssets(),"fonts/BPreplay.otf");
TextView tv = (TextView) findViewById(R.id.CustomFontText);
tv.setTypeface(tf);
Note: Android does not seem to like all TrueType fonts.So, if you try to use a different font and it does not seem to be working, it may be that the font is incompatible with Android, for whatever reason.
You can see more details in these pages:
Fun with Fonts
Musings of the Bare Bones Coder/using custom fonts

How can i use clocktopia font which is already there in my Android Device?

I have a clocktopia font on my android device and it's only on some applications.
How do I use that particular font programmatically?
Thank you.

First, put the .ttf (or other font file) in your /assets directory.
Then, set the font face of your textview with the following code.
TextView textView = (TextView) findViewById(R.id.myTextView);
Typeface font = Typeface.createFromFile("path-to-file");
textView.setTypeface(font);
Unfortunately you cannot use custom typefaces in XML (so you also cannot define a custom theme with your font).

Custom fonts and XML layouts (Android)
You can use the TextViewPlus class provider here to load the typeface from xml but I don't know of a way to use a theme to do this automatically.