Android仿人人网滑动侧边栏效果

<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:background="@drawable/menu" >  </LinearLayout>  <LinearLayout    android:id="@+id/content"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="@drawable/content" >  </LinearLayout></LinearLayout>

public class MainActivity extends Activity implements OnTouchListener{  private LinearLayout menu;  private LinearLayout content;  private LayoutParams menuParams;  private LayoutParams contentParams;  // menu完全显示时，留给content的宽度值。  private static final int menuPadding = 80;  // 分辨率  private int disPlayWidth;  private float xDown;  private float xMove;  private boolean mIsShow = false;  private static final int speed = 50;  @Override  protected void onCreate(Bundle savedInstanceState)  {    super.onCreate(savedInstanceState);    requestWindowFeature(Window.FEATURE_NO_TITLE);    setContentView(R.layout.activity_main);    disPlayWidth = getWindowManager().getDefaultDisplay().getWidth();    menu = (LinearLayout) findViewById(R.id.menu);    content = (LinearLayout) findViewById(R.id.content);    menuParams = (LayoutParams) menu.getLayoutParams();    contentParams = (LayoutParams) content.getLayoutParams();    findViewById(R.id.layout).setOnTouchListener(this);    menuParams.width = disPlayWidth - menuPadding;    contentParams.width = disPlayWidth;    showMenu(mIsShow);  }  @Override  public boolean onTouch(View v, MotionEvent event)  {    switch (event.getAction())    {    case MotionEvent.ACTION_DOWN:      showMenu(!mIsShow);      break;    case MotionEvent.ACTION_MOVE:      break;    case MotionEvent.ACTION_UP:      break;    }    return true;  }  private void showMenu(boolean isShow)  {    if (isShow)    {      mIsShow = true;      menuParams.leftMargin = 0;    } else    {      mIsShow = false;      menuParams.leftMargin = 0 - menuParams.width;    }    menu.setLayoutParams(menuParams);  }  }

 package com.example.test;import android.app.Activity;import android.os.AsyncTask;import android.os.Bundle;import android.util.Log;import android.view.MotionEvent;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnTouchListener;import android.view.Window;import android.widget.LinearLayout;import android.widget.LinearLayout.LayoutParams;public class MainActivity extends Activity implements OnTouchListener, OnClickListener{  private LinearLayout menu;  private LinearLayout content;  private LayoutParams menuParams;  private LayoutParams contentParams;  // menu完全显示时，留给content的宽度值。  private static final int menuPadding = 80;  // 分辨率  private int disPlayWidth;  private float xDown;  private float xMove;  private boolean mIsShow = false;  private static final int speed = 50;  @Override  protected void onCreate(Bundle savedInstanceState)  {    super.onCreate(savedInstanceState);    requestWindowFeature(Window.FEATURE_NO_TITLE);    setContentView(R.layout.activity_main);    disPlayWidth = getWindowManager().getDefaultDisplay().getWidth();    menu = (LinearLayout) findViewById(R.id.menu);    menu.setOnClickListener(this);    content = (LinearLayout) findViewById(R.id.content);    content.setOnClickListener(this);    menuParams = (LayoutParams) menu.getLayoutParams();    contentParams = (LayoutParams) content.getLayoutParams();    //findViewById(R.id.layout).setOnTouchListener(this);    menuParams.width = disPlayWidth - menuPadding;    contentParams.width = disPlayWidth;    showMenu(mIsShow);  }  @Override  public void onClick(View v)  {    switch (v.getId())    {    case R.id.menu:      new showMenuAsyncTask().execute(-50);      break;    case R.id.content:      new showMenuAsyncTask().execute(50);      break;    }  }  @Override  public boolean onTouch(View v, MotionEvent event)  {    switch (event.getAction())    {    case MotionEvent.ACTION_DOWN:      showMenu(!mIsShow);      break;    case MotionEvent.ACTION_MOVE:      break;    case MotionEvent.ACTION_UP:      break;    }    return true;  }  private void showMenu(boolean isShow)  {    if (isShow)    {      mIsShow = true;      menuParams.leftMargin = 0;    } else    {      mIsShow = false;      menuParams.leftMargin = 0 - menuParams.width;    }    menu.setLayoutParams(menuParams);  }  /**  *  *这是主要代码：模拟动画过程，也让我更熟悉了AsyncTask这玩意儿  *  */  class showMenuAsyncTask extends AsyncTask<Integer, Integer, Integer>  {    @Override    protected Integer doInBackground(Integer... params)    {      int leftMargin = menuParams.leftMargin;            //这里也是值得学习的地方，如果在平常，自己肯定又是这样写:      //  if(){      //    while()      // }      //  else if(){      //    while()      // }      while (true)      {        leftMargin += params[0];        if (params[0] > 0 && leftMargin >= 0)        {          break;        } else if (params[0] < 0 && leftMargin <= -menuParams.width)        {          break;        }        publishProgress(leftMargin);        try        {          Thread.sleep(30);        } catch (InterruptedException e)        {          e.printStackTrace();        }      }      return leftMargin;    }    @Override    protected void onProgressUpdate(Integer... values)    {      super.onProgressUpdate(values);      menuParams.leftMargin = values[0];      menu.setLayoutParams(menuParams);    }    @Override    protected void onPostExecute(Integer result)    {      super.onPostExecute(result);      menuParams.leftMargin = result;      menu.setLayoutParams(menuParams);    }  }}