问使用滑动菜单时android布局问题

EN

package com.example.example;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import com.jeremyfeinstein.slidingmenu.lib.SlidingMenu;

import com.jeremyfeinstein.slidingmenu.lib.app.SlidingActivity;
public class ExampleActivity extends SlidingActivity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // set the content view
        setContentView(R.layout.activity_example);
        setBehindContentView(R.layout.sliding_menu);

        // configure the SlidingMenu
        getSlidingMenu().setMode(SlidingMenu.RIGHT);
        getSlidingMenu().setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
        getSlidingMenu().setMenu(R.layout.sliding_menu);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<com.jeremyfeinstein.slidingmenu.lib.SlidingMenu xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/slidingmenumain"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    sliding:touchModeAbove="margin"
    sliding:behindOffset="@dimen/0"
    sliding:behindWidth="@dimen/0"
    sliding:behindScrollScale="@dimen/0.25f"
    sliding:fadeEnabled="true"
    sliding:fadeDegree="1.0f"
    sliding:selectorEnabled="true"

    />