android代码兑现布局方式-在输入框中最右边存在一个图片

?

<RelativeLayout        android:id="@+id/main_app_nagv"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_weight="1.0"        android:orientation="horizontal"        android:layout_toLeftOf="@+id/main_app_nagv_btn" >        <AutoCompleteTextView            android:id="@+id/main_app_nagv_text"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_gravity="center_vertical"            android:layout_marginBottom="5.0dip"            android:layout_marginLeft="3.0dip"            android:layout_marginRight="5.0dip"            android:layout_marginTop="5.0dip"            android:autoText="true"            android:background="@drawable/sms_embeded_text_editor_bg"            android:capitalize="sentences"            android:focusable="true"            android:hint="@string/navigation_textview_hint"            android:imeOptions="actionSend|flagNoEnterAction"            android:inputType="phone"            android:maxLength="50"            android:maxLines="1"            android:minHeight="34.0dip"            android:nextFocusRight="@+id/main_app_nagv_btn"            android:textColorHint="@color/search_hint" />        <ImageView            android:id="@+id/main_app_contact_sel"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignBottom="@+id/main_app_nagv_text"            android:layout_alignRight="@+id/main_app_nagv_text"            android:layout_alignTop="@+id/main_app_nagv_text"            android:layout_marginRight="1.0dip"            android:background="@drawable/ptas_contact_select" />    </RelativeLayout>