FontChange 
The easiest way to customize fonts. You can change fonts on direct xml. There are 16 fonts in it. You can directly add your own font to the "assets" folder.
How to include
Add the repository to your project build.gradle:
repositories {
maven {
url "https://jitpack.io"
}
}
And add the library to your module build.gradle:
dependencies {
compile 'com.github.10uroi:FontChange:2.0'
}
Usage
Automatically selects the font "Alien_Encounters" installed in
<com.onurciner.fontchange.FTextView
app:xfontFamily="Alien_Encounters"
android:text="Hello World! -> Alien Encounters"
android:id="@+id/view1"
android:layout_marginTop="4dp"
android:layout_marginBottom="4dp" /> Selects the font loaded in "Assets->fonts->myfont.ttf"
<com.onurciner.fontchange.FTextView
app:xfont="fonts/myfont.ttf"
android:text="My Font"
android:id="@+id/view1" /> You can customize the font as you like
app:xfontFamily="Black_and_White" app:xfont="fonts/myfont.ttf" app:xfontStyle="bold" You can change EditText, TextView and Button fonts
FButton
<com.onurciner.fontchange.FButton
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/button_my"
android:text="My Button"
app:xfontFamily="Friday_13" /> FEditText
<com.onurciner.fontchange.FEditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/edittext_my"
app:xfontFamily="Prismfont" />