<com.google.android.material.tabs.TabLayout
    android:id="@+id/tabLayout"
    android:layout_width="match_parent"
    android:layout_height="@dimen/qb_dp_30"
    app:tabIndicatorColor="@color/blue_0078d4"   //下标指示线颜色
    app:tabSelectedTextColor="@color/blue_0078d4" //选中标题标题颜色
    app:tabTextColor="@color/black" //未选中标题
    />