开源控件slidingmenu的使用

package com.loaderman.slidingmenudemo;

import android.app.Activity;
import android.os.Bundle;

import com.jeremyfeinstein.slidingmenu.lib.SlidingMenu;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // configure the SlidingMenu
        SlidingMenu menu = new SlidingMenu(this);
        menu.setMode(SlidingMenu.LEFT);
        // 设置触摸屏幕的模式
        menu.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);
        menu.setShadowWidthRes(R.dimen.shadow_width);
        menu.setShadowDrawable(R.drawable.shadow);

        // 设置滑动菜单视图的宽度
        menu.setBehindOffsetRes(R.dimen.slidingmenu_offset);
        // 设置渐入渐出效果的值
        menu.setFadeDegree(0.35f);
        /**
         * SLIDING_WINDOW will include the Title/ActionBar in the content
         * section of the SlidingMenu, while SLIDING_CONTENT does not.
         */
        //把滑动菜单添加进所有的Activity中，可选值SLIDING_CONTENT ， SLIDING_WINDOW
        menu.attachToActivity(this, SlidingMenu.SLIDING_CONTENT);
        //为侧滑菜单设置布局
        menu.setMenu(R.layout.leftmenu);
    }
}

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="主界面"
        />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >

    <gradient
        android:endColor="#33000000"
        android:centerColor="#11000000"
        android:startColor="#00000000" />

</shape>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:text="Hello Sliding Menu!" />

</LinearLayout>

 　　<dimen name="slidingmenu_offset">80dp</dimen>
    <dimen name="shadow_width">15dp</dimen>