Fix default font handling on android

lib/android/app/src/main/java/com/reactnativenavigation/options/FontOptions.kt

@@ -26,11 +26,11 @@ class FontOptions {
 
     @JvmOverloads fun getTypeface(typefaceLoader: TypefaceLoader, defaultTypeface: Typeface? = null): Typeface? {
         if (isDirty) {
-            _typeface = typefaceLoader.getTypeFace(fontFamily.get(""), fontStyle.get(""), fontWeight.get(""))
+            _typeface = typefaceLoader.getTypeFace(fontFamily.get(null), fontStyle.get(""), fontWeight.get(""), defaultTypeface)
             isDirty = false
         }
         return _typeface
-                ?: defaultTypeface?.let { typefaceLoader.getTypeFace(fontFamily.get(""), fontStyle.get(""), fontWeight.get(""), it) }
+                ?: defaultTypeface?.let { typefaceLoader.getTypeFace(fontFamily.get(null), fontStyle.get(""), fontWeight.get(""), it) }
     }
 
     fun mergeWith(other: FontOptions) {

lib/android/app/src/main/java/com/reactnativenavigation/options/parsers/TypefaceLoader.kt

@@ -2,21 +2,27 @@ package com.reactnativenavigation.options.parsers
 
 import android.content.Context
 import android.graphics.Typeface
+import com.aurelhubert.ahbottomnavigation.AHTextView
 import com.reactnativenavigation.utils.ReactTypefaceUtils
 
 open class TypefaceLoader(private val context: Context) {
-    @JvmOverloads open fun getTypeFace(
-            fontFamilyName: String?,
-            fontStyle: String?,
-            fontWeight: String?,
-            defaultTypeFace: Typeface? = null
+    val defaultTypeFace: Typeface by lazy {
+        AHTextView(context).typeface ?: Typeface.DEFAULT
+    }
+
+    @JvmOverloads
+    open fun getTypeFace(
+        fontFamilyName: String?,
+        fontStyle: String?,
+        fontWeight: String?,
+        defaultTypeFace: Typeface? = null
     ): Typeface? {
         return ReactTypefaceUtils.applyStyles(
-                defaultTypeFace,
-                ReactTypefaceUtils.parseFontStyle(fontStyle),
-                ReactTypefaceUtils.parseFontWeight(fontWeight),
-                fontFamilyName,
-                context.assets
+            defaultTypeFace,
+            ReactTypefaceUtils.parseFontStyle(fontStyle),
+            ReactTypefaceUtils.parseFontWeight(fontWeight),
+            fontFamilyName,
+            context.assets
         )
     }
 }

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/bottomtabs/BottomTabPresenter.java

@@ -9,6 +9,7 @@
 
 import androidx.annotation.NonNull;
 
+import com.aurelhubert.ahbottomnavigation.AHTextView;
 import com.aurelhubert.ahbottomnavigation.notification.AHNotification;
 import com.reactnativenavigation.options.BottomTabOptions;
 import com.reactnativenavigation.options.DotIndicatorOptions;
@@ -27,6 +28,7 @@ public class BottomTabPresenter {
     private final Context context;
     private final ImageLoader imageLoader;
     private final TypefaceLoader typefaceLoader;
+    private final Typeface defaultTypeface;
     private Options defaultOptions;
     private final BottomTabFinder bottomTabFinder;
     private final LateInit<BottomTabs> bottomTabs = new LateInit<>();
@@ -39,6 +41,7 @@ public BottomTabPresenter(Context context, List<ViewController<?>> tabs, ImageLo
         this.bottomTabFinder = new BottomTabFinder(tabs);
         this.imageLoader = imageLoader;
         this.typefaceLoader = typefaceLoader;
+        this.defaultTypeface = typefaceLoader.getDefaultTypeFace();
         this.defaultOptions = defaultOptions;
         defaultDotIndicatorSize = dpToPx(context, 6);
     }
@@ -57,7 +60,7 @@ public void applyOptions() {
                 BottomTabOptions tab = tabs.get(i).resolveCurrentOptions(defaultOptions).bottomTabOptions;
                 bottomTabs.setIconWidth(i, tab.iconWidth.get(null));
                 bottomTabs.setIconHeight(i, tab.iconHeight.get(null));
-                bottomTabs.setTitleTypeface(i, tab.font.getTypeface(typefaceLoader, Typeface.DEFAULT));
+                bottomTabs.setTitleTypeface(i, tab.font.getTypeface(typefaceLoader, defaultTypeface));
                 if (tab.selectedIconColor.canApplyValue()) bottomTabs.setIconActiveColor(i, tab.selectedIconColor.get(null));
                 if (tab.iconColor.canApplyValue()) bottomTabs.setIconInactiveColor(i, tab.iconColor.get(null));
                 bottomTabs.setTitleActiveColor(i, tab.selectedTextColor.get(null));
@@ -86,7 +89,7 @@ public void mergeChildOptions(Options options, ViewController<?> child) {
                 BottomTabOptions tab = options.bottomTabOptions;
                 if (tab.iconWidth.hasValue()) bottomTabs.setIconWidth(index, tab.iconWidth.get(null));
                 if (tab.iconHeight.hasValue()) bottomTabs.setIconHeight(index, tab.iconHeight.get(null));
-                if (tab.font.hasValue()) bottomTabs.setTitleTypeface(index, tab.font.getTypeface(typefaceLoader, Typeface.DEFAULT));
+                if (tab.font.hasValue()) bottomTabs.setTitleTypeface(index, tab.font.getTypeface(typefaceLoader, defaultTypeface));
                 if (canMergeColor(tab.selectedIconColor)) bottomTabs.setIconActiveColor(index, tab.selectedIconColor.get());
                 if (canMergeColor(tab.iconColor)) bottomTabs.setIconInactiveColor(index, tab.iconColor.get());
                 if (tab.selectedTextColor.hasValue()) bottomTabs.setTitleActiveColor(index, tab.selectedTextColor.get());

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/stack/topbar/button/ButtonSpan.kt

@@ -25,7 +25,7 @@ class ButtonSpan(
 
     fun apply(paint: Paint) {
         with(button.font) {
-            val typeface = getTypeface(typefaceLoader, Typeface.DEFAULT)
+            val typeface = getTypeface(typefaceLoader, paint.typeface)
             val fakeStyle = (paint.typeface?.style ?: 0) and (typeface?.style?.inv() ?: 1)
             if (fakeStyle and Typeface.BOLD != 0) paint.isFakeBoldText = true
             if (fakeStyle and Typeface.ITALIC != 0) paint.textSkewX = -0.25f