<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 xmlns:tools="http://schemas.android.com/tools" 
 android:id="@+id/layout" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" 
 android:orientation="horizontal" 
 tools:context=".MainActivity" > 
 <LinearLayout 
  android:id="@+id/menu" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:orientation="vertical" 
  android:background="@drawable/menu" > 
  <!-- 添加一個(gè)ListView控件 --> 
   <ListView 
   android:id="@+id/menuList"  
  android:layout_width="fill_parent"  
  android:layout_height="fill_parent"/>   
 </LinearLayout> 
  
 <LinearLayout 
  android:id="@+id/content" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:orientation="vertical"> 
<ScrollView 
 android:id="@+id/scrollview" 
 android:layout_width="fill_parent" 
 android:layout_height="wrap_content" > 
  <TextView android:id="@+id/content_text" 
   android:layout_width="wrap_content" 
   android:layout_height="wrap_content" 
   android:text="@string/text1" 
    android:textSize="22px" /> 
 </ScrollView> 
 </LinearLayout> 
 
</LinearLayout> 

package com.example.learningjava; 
import java.util.ArrayList; 
import java.util.HashMap; 
import java.util.Map; 
import com.example.learningjava.R.string; 
import android.R.integer; 
import android.R.menu; 
import android.os.AsyncTask; 
import android.os.Build; 
import android.os.Bundle; 
import android.annotation.SuppressLint; 
import android.annotation.TargetApi; 
import android.widget.AdapterView; 
import android.widget.AdapterView.OnItemClickListener; 
import android.widget.ArrayAdapter; 
import android.widget.LinearLayout.LayoutParams; 
import android.widget.ListView; 
import android.widget.ScrollView; 
import android.widget.Toast; 
import android.app.Activity; 
import android.content.Context; 
import android.util.AttributeSet; 
import android.util.DisplayMetrics; 
import android.util.Log; 
import android.view.GestureDetector; 
import android.view.Menu; 
import android.view.MotionEvent; 
import android.view.VelocityTracker; 
import android.view.View; 
import android.view.View.OnTouchListener; 
import android.view.Window; 
import android.widget.LinearLayout; 
 
public class MainActivity extends Activity implements OnTouchListener{ 
  
 private LinearLayout menuLayout;//菜單項(xiàng) 
 private LinearLayout contentLayout;//內(nèi)容項(xiàng) 
 private LayoutParams menuParams;//菜單項(xiàng)目的參數(shù) 
 private LayoutParams contentParams;//內(nèi)容項(xiàng)目的參數(shù)contentLayout的寬度值 
  
 private int disPlayWidth;//手機(jī)屏幕分辨率 
 private float xDown;//手指點(diǎn)下去的橫坐標(biāo) 
 private float xMove;//手指移動(dòng)的橫坐標(biāo) 
 private float xUp;//記錄手指上抬后的橫坐標(biāo) 
 private float yDown;//手指點(diǎn)下去的縱坐標(biāo) 
 private float yMove;//手指移動(dòng)的縱坐標(biāo) 
  
 private VelocityTracker mVelocityTracker; // 用于計(jì)算手指滑動(dòng)的速度。 
 private float velocityX;//手指左右移動(dòng)的速度 
 public static final int SNAP_VELOCITY = 400; //滾動(dòng)顯示和隱藏menu時(shí)，手指滑動(dòng)需要達(dá)到的速度。 
 
 private boolean menuIsShow = false;//初始化菜單項(xiàng)不可翙 
 private static final int menuPadding=160;//menu完成顯示，留給content的寬度 
  
 private ListView menuListView;//菜單列表的內(nèi)容 
 private ScrollView scrollView;// 文本框的滾動(dòng)條 
 private boolean wantToScrollText=false;//想要下下滾動(dòng)文本內(nèi)容 
 private boolean wantToScrollTextMenu=false; 
 private boolean oneFucction=false;//確保函數(shù)只被調(diào)用一次 
  
 protected void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  requestWindowFeature(Window.FEATURE_NO_TITLE); 
  setContentView(R.layout.activity_main); 
  initLayoutParams(); 
  initMenuList(); 
  initScrollView(); 
 } 
 /** 
 *初始化Layout并設(shè)置其相應(yīng)的參數(shù) 
 */ 
 private void initLayoutParams() 
 { 
 //得到屏幕的大小 
  DisplayMetrics dm = new DisplayMetrics(); 
  getWindowManager().getDefaultDisplay().getMetrics(dm); 
  disPlayWidth =dm.widthPixels; 
  
  //獲得控件 
  menuLayout = (LinearLayout) findViewById(R.id.menu); 
  contentLayout = (LinearLayout) findViewById(R.id.content); 
  findViewById(R.id.layout).setOnTouchListener(this); 
  
  //獲得控件參數(shù) 
  menuParams=(LinearLayout.LayoutParams)menuLayout.getLayoutParams(); 
  contentParams = (LinearLayout.LayoutParams) contentLayout.getLayoutParams(); 
  
  //初始化菜單和內(nèi)容的寬和邊距 
  menuParams.width = disPlayWidth - menuPadding; 
  menuParams.leftMargin = 0 - menuParams.width; 
  contentParams.width = disPlayWidth; 
  contentParams.leftMargin=0; 
  
  //設(shè)置參數(shù) 
  menuLayout.setLayoutParams(menuParams); 
  contentLayout.setLayoutParams(contentParams); 
  
 } 
 /** 
 * 初始化菜單列表內(nèi)容 
 */ 
 private void initMenuList() 
 { 
 final String[] strs = new String[] { "第1章 Java概述 ", "第2章 理解面向?qū)ο?, "第3章 數(shù)據(jù)類(lèi)型和運(yùn)算符", "第4章 流程控制和數(shù)組", "第5章 面向?qū)ο螅ㄉ希?}; 
  menuListView = (ListView) findViewById(R.id.menuList); 
  menuListView.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1, strs));//為L(zhǎng)istView綁定適配器 
  //啟動(dòng)列表點(diǎn)擊監(jiān)聽(tīng)事件 
  menuListView.setOnItemClickListener(new OnItemClickListener() { 
   @Override 
   public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) { 
     Toast.makeText(getApplicationContext(),"您選擇了" + strs[arg2], Toast.LENGTH_SHORT).show(); 
     
   } 
  }); 
   
 } 
 /** 
 * 初始化scrollView 
 */ 
 public void initScrollView(){ 
  scrollView = (ScrollView)this.findViewById(R.id.scrollview); 
  scrollView.setOnTouchListener(this);//綁定監(jiān)聽(tīng)側(cè)滑事件的View，即在綁定的View進(jìn)行滑動(dòng)才可以顯示和隱藏左側(cè)布局。 這句非常重要，不要設(shè)置它的觸摸事件 了，要不會(huì)吞掉布局的觸摸事件 
 } 
 
 @Override 
 public boolean onTouch(View v, MotionEvent event) 
 { 
  acquireVelocityTracker(event); 
  if (event.getAction()==MotionEvent.ACTION_DOWN) 
  { 
   xDown=event.getRawX(); 
   yDown=event.getRawY(); 
   return false; 
  } 
  else if(event.getAction()==MotionEvent.ACTION_MOVE) 
  { 
   if(wantToScrollText)//當(dāng)前想滾動(dòng)顯示文本 
    return false; 
   xMove=event.getRawX(); 
   yMove=event.getRawY(); 
   if(menuIsShow){ 
    isScrollToShowMenu(); 
    return true; 
   } 
   if(!oneFucction) 
   { 
   oneFucction=true; 
   //這個(gè)if只能被調(diào)用一次 
   if(Math.abs(xDown-xMove)<Math.abs(yDown-yMove)) 
    { 
    wantToScrollText=true; 
    return false; 
    } 
   }  
   isScrollToShowMenu(); 
  } 
  
  else if(event.getAction()==MotionEvent.ACTION_UP)  
  { 
   oneFucction=false; 
   if(wantToScrollText){ 
   wantToScrollText=false; 
   return false; 
   }  
   xUp=event.getRawX(); 
   isShowMenu(); 
   releaseVelocityTracker(); 
  } 
  
  else if (event.getAction()==MotionEvent.ACTION_CANCEL) 
  {  
   releaseVelocityTracker(); 
   return false; 
  } 
  return true;//false時(shí)才能把觸摸事件再傳給scroll 
 } 
 /** 
 * 根據(jù)手指按下的距離，判斷是否滾動(dòng)顯示菜單 
 */ 
 private void isScrollToShowMenu() 
 { 
  int distanceX = (int) (xMove - xDown);  
  if (!menuIsShow) { 
   scrollToShowMenu(distanceX); 
  }else{ 
   scrollToHideMenu(distanceX); 
  } 
 } 
 /** 
 * 手指抬起之后判斷是否要顯示菜單 
 */ 
 private void isShowMenu() 
 { 
  velocityX =getScrollVelocity(); 
  if(wantToShowMenu()){ 
   if(shouldShowMenu()){ 
    showMenu(); 
   }else{ 
    hideMenu(); 
   } 
  } 
  else if(wantToHideMenu()){ 
   if(shouldHideMenu()){ 
    hideMenu(); 
   }else{ 
    showMenu(); 
   } 
  }  
 } 
 /** 
 *想要顯示菜單,當(dāng)向右移動(dòng)距離大于0并且菜單不可見(jiàn) 
 */ 
 private boolean wantToShowMenu(){ 
  return !menuIsShow&&xUp-xDown>0; 
 } 
 /** 
 *想要隱藏菜單,當(dāng)向左移動(dòng)距離大于0并且菜單可見(jiàn) 
 */ 
 private boolean wantToHideMenu(){ 
  return menuIsShow&&xDown-xUp>0; 
 } 
 /** 
 *判斷應(yīng)該顯示菜單,當(dāng)向右移動(dòng)的距離超過(guò)菜單的一半或者速度超過(guò)給定值 
 */ 
 private boolean shouldShowMenu(){ 
  return xUp-xDown>menuParams.width/2||velocityX>SNAP_VELOCITY; 
 } 
 /** 
 *判斷應(yīng)該隱藏菜單,當(dāng)向左移動(dòng)的距離超過(guò)菜單的一半或者速度超過(guò)給定值 
 */ 
 private boolean shouldHideMenu(){ 
  return xDown-xUp>menuParams.width/2||velocityX>SNAP_VELOCITY; 
 } 
 /** 
 * 顯示菜單欄 
 */ 
 private void showMenu() 
 { 
  new showMenuAsyncTask().execute(50); 
  menuIsShow=true; 
 } 
 /** 
 * 隱藏菜單欄 
 */ 
 private void hideMenu() 
 { 
  new showMenuAsyncTask().execute(-50); 
  menuIsShow=false; 
 } 
 /** 
 *指針按著時(shí)，滾動(dòng)將菜單慢慢顯示出來(lái) 
 *@param scrollX 每次滾動(dòng)移動(dòng)的距離 
 */ 
 private void scrollToShowMenu(int scrollX) 
 { 
  if(scrollX>0&&scrollX<= menuParams.width) 
  menuParams.leftMargin =-menuParams.width+scrollX; 
  menuLayout.setLayoutParams(menuParams); 
 } 
 /** 
 *指針按著時(shí)，滾動(dòng)將菜單慢慢隱藏出來(lái) 
 *@param scrollX 每次滾動(dòng)移動(dòng)的距離 
 */ 
 private void scrollToHideMenu(int scrollX) 
 { 
  if(scrollX>=-menuParams.width&&scrollX<0) 
  menuParams.leftMargin=scrollX; 
  menuLayout.setLayoutParams(menuParams); 
 } 
  
 
 /** 
 * 創(chuàng)建VelocityTracker對(duì)象，并將觸摸content界面的滑動(dòng)事件加入到VelocityTracker當(dāng)中。 
 * @param event 向VelocityTracker添加MotionEvent 
 */ 
 private void acquireVelocityTracker(final MotionEvent event) { 
  if(null == mVelocityTracker) { 
   mVelocityTracker = VelocityTracker.obtain(); 
  } 
  mVelocityTracker.addMovement(event); 
 } 
 /** 
 * 獲取手指在content界面滑動(dòng)的速度。 
 * @return 滑動(dòng)速度，以每秒鐘移動(dòng)了多少像素值為單位。 
 */ 
 private int getScrollVelocity() { 
  mVelocityTracker.computeCurrentVelocity(1000); 
  int velocity = (int) mVelocityTracker.getXVelocity(); 
  
  return Math.abs(velocity); 
 } 
 /** 
 * 釋放VelocityTracker 
 */ 
 private void releaseVelocityTracker() { 
  if(null != mVelocityTracker) { 
   mVelocityTracker.clear(); 
   mVelocityTracker.recycle(); 
   mVelocityTracker = null; 
  } 
 } 
 /** 
 * 
 *：模擬動(dòng)畫(huà)過(guò)程，讓肉眼能看到滾動(dòng)的效果 
 * 
 */ 
 class showMenuAsyncTask extends AsyncTask<Integer, Integer, Integer> 
 { 
 
  @Override 
  protected Integer doInBackground(Integer... params) 
  { 
   int leftMargin = menuParams.leftMargin; 
   while (true) 
   {// 根據(jù)傳入的速度來(lái)滾動(dòng)界面，當(dāng)滾動(dòng)到達(dá)左邊界或右邊界時(shí)，跳出循環(huán)。 
    leftMargin += params[0]; 
    if (params[0] > 0 && leftMargin > 0) 
    { 
     leftMargin= 0; 
     break; 
    } else if (params[0] < 0 && leftMargin <-menuParams.width) 
    { 
     leftMargin=-menuParams.width; 
     break; 
    } 
    publishProgress(leftMargin); 
    try 
    { 
     Thread.sleep(40);//休眠一下，肉眼才能看到滾動(dòng)效果 
    } catch (InterruptedException e) 
    { 
     e.printStackTrace(); 
    } 
   } 
   return leftMargin; 
  } 
  @Override 
  protected void onProgressUpdate(Integer... value) 
  { 
   menuParams.leftMargin = value[0]; 
   menuLayout.setLayoutParams(menuParams); 
  } 
 
  @Override 
  protected void onPostExecute(Integer result) 
  { 
   menuParams.leftMargin = result; 
   menuLayout.setLayoutParams(menuParams); 
  } 
 
 } 
}