Added font family implementation for inner text

swipe-button/src/main/java/com/ebanx/swipebtn/SwipeButton.java

@@ -10,7 +10,9 @@
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.support.annotation.NonNull;
+import android.support.annotation.RequiresApi;
 import android.support.v4.content.ContextCompat;
 import android.util.AttributeSet;
 import android.view.Gravity;
@@ -139,6 +141,7 @@ public void setHasActivationState(boolean hasActivationState) {
         this.hasActivationState = hasActivationState;
     }
 
+    @RequiresApi(api = Build.VERSION_CODES.O)
     private void init(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
         hasActivationState = true;
 
@@ -205,6 +208,8 @@ private void init(Context context, AttributeSet attrs, int defStyleAttr, int def
             centerText.setTextColor(typedArray.getColor(R.styleable.SwipeButton_inner_text_color,
                     Color.WHITE));
 
+            centerText.setTypeface(typedArray.getFont(R.styleable.SwipeButton_inner_text_font_family)); //adding font family up above API 26
+
             float textSize = DimentionUtils.converPixelsToSp(
                     typedArray.getDimension(R.styleable.SwipeButton_inner_text_size, 0), context);
 

swipe-button/src/main/res/values/attrs.xml

@@ -21,6 +21,7 @@
         <attr name="button_bottom_padding" format="dimension"/>
         <attr name="button_background" format="reference"/>
         <attr name="has_activate_state" format="boolean"/>
+        <attr name="inner_text_font_family" format="reference"/>
         <attr name="initial_state" format="enum">
             <enum name="enabled" value="0"/>
             <enum name="disabled" value="1"/>