自定义TextView控件执行时候 tv.invalidate()

class KBadgeTextView(ctx: Context, attrs: AttributeSet) : TextView(ctx, attrs) {
}

 <com.core.widget.KBadgeTextView
        android:id="@+id/tv_month_record"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginEnd="16dp"
        android:drawableEnd="@drawable/ic_next_arrow"
        android:drawablePadding="2dp"
        android:text="@string/string_month_record"
        android:textColor="@color/font_g4"
        android:textSize="@dimen/font_z4"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@+id/tv_title" />

tv_month_record.invalidate()