我有这个布局

<?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"
android:orientation="vertical" >
<LinearLayout
android:id="@+id/viewer_top"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/background_dark"
android:orientation="horizontal" >
<RelativeLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginLeft="4dp"
android:layout_marginRight="4dp"
android:layout_marginTop="5dp"
android:layout_marginBottom="3dp"
android:layout_weight="1" >
<EditText
android:id="@+id/viewer_filter"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/hint_filter"
android:background="@android:color/white"
android:drawableLeft="@android:drawable/ic_menu_search"
android:inputType="text"
android:paddingLeft="4dp"
android:selectAllOnFocus="true" >
</EditText>
<ImageView
android:id="@+id/viewer_filterX"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@id/viewer_filter"
android:layout_alignRight="@id/viewer_filter"
android:src="@android:drawable/ic_menu_close_clear_cancel"
android:visibility="invisible" >
</ImageView>
</RelativeLayout>
<RelativeLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginLeft="4dp"
android:layout_marginRight="4dp"
android:layout_marginTop="3dp"
android:layout_marginBottom="5dp"
android:layout_weight="1" >
<EditText
android:id="@+id/viewer_search"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/hint_search"
android:background="@android:color/white"
android:drawableLeft="@android:drawable/ic_menu_search"
android:inputType="text"
android:paddingLeft="4dp"
android:selectAllOnFocus="true" >
</EditText>
<ImageView
android:id="@+id/viewer_searchGo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@id/viewer_search"
android:layout_alignRight="@id/viewer_search"
android:src="@android:drawable/ic_menu_send"
android:visibility="invisible" >
</ImageView> …Run Code Online (Sandbox Code Playgroud)