我有相对的布局，即。main.xml我设置如下。但是现在我必须把view1放在view2上，width=200dp，height =100dp，这样view2就大了，view1就小了。

public void onCreate(Bundle savedInstanceState) 
         {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
         }

main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/root"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <RelativeLayout
    android:id="@+id/MainPanel"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_above="@id/panel_bottom"
    android:layout_gravity="center_horizontal" >

    <com.proj.demo.view1
        android:id="@+id/sheet"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignWithParentIfMissing="true"
        android:layout_centerInParent="true"
        android:layout_toLeftOf="@+id/panel_quick_buttons"
        />

    <com.proj.demo.view2
        android:id="@+id/sheet2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignWithParentIfMissing="true"
        android:layout_centerInParent="true"
        android:layout_toLeftOf="@+id/panel_quick_buttons"
      />

</RelativeLayout>
</RelativeLayout>