问在安卓设计支持TabLayout中更改选项卡文本的字体

EN

<?xml version="1.0" encoding="utf-8"?>
<TextView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@android:id/text1"
    android:layout_width="match_parent"
    android:textSize="15sp"
    android:textColor="@color/tabs_default_color"
    android:gravity="center"
    android:layout_height="match_parent"
/>

for (int i = 0; i < tabLayout.getTabCount(); i++) {
     //noinspection ConstantConditions
     TextView tv = (TextView)LayoutInflater.from(this).inflate(R.layout.custom_tab,null)
     tv.setTypeface(Typeface);       
     tabLayout.getTabAt(i).setCustomView(tv);
}

private void changeTabsFont() {
    ViewGroup vg = (ViewGroup) tabLayout.getChildAt(0);
        int tabsCount = vg.getChildCount();
        for (int j = 0; j < tabsCount; j++) {
            ViewGroup vgTab = (ViewGroup) vg.getChildAt(j);
            int tabChildsCount = vgTab.getChildCount();
            for (int i = 0; i < tabChildsCount; i++) {
                View tabViewChild = vgTab.getChildAt(i);
                if (tabViewChild instanceof TextView) {
                    ((TextView) tabViewChild).setTypeface(Font.getInstance().getTypeFace(), Typeface.NORMAL);
                }
        }
    }
} 

<style name="tab_text" parent="@android:style/TextAppearance.Widget.TabWidget">
    <item name="android:fontFamily">@font/poppins_regular</item>
</style>

<android.support.design.widget.TabLayout
        android:id="@+id/tabLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?attr/colorPrimary"
        android:minHeight="?attr/actionBarSize"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        app:tabTextAppearance="@style/tab_text" />