requestLayout() improperly called by android.widget.TextView

问题描述：出现以下警告：requestLayout() improperly called by android.widget.TextView{...} during second layout pass: posting in next frame

requestLayout() improperly called by android.widget.TextView{...} during layout: running second layout pass

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:id="@+id/title_layout"
android:layout_width="fill_parent"
android:layout_height="30dp"
android:layout_alignParentTop="true"
android:background="#c2c2c2">
<TextView
android:id="@+id/tv_title"
android:text="A"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="15dp"
android:textColor="#808080"
android:textSize="15sp"
/>
</RelativeLayout>
<ListView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="none"
android:layout_below="@+id/title_layout"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:fastScrollEnabled="false"
/>
</RelativeLayout>

第一天写好后运行是没有问题的，第二天来就爆出以上问题，查了一些外文网站，但是都无法解决我的问题。解决此问题关键是“running second layout pass”这一句，我把最外层的RealtiveLayout 改为LinearLayout，同时orientation改为vertical就可以了。