android自定义view侧滑菜单

package com.shit;

import android.content.Context;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.MotionEvent;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.HorizontalScrollView;
import android.widget.LinearLayout;

public class XSlidinMenu extends HorizontalScrollView{

private LinearLayout mWapper;
private ViewGroup mMenu;
private ViewGroup mContent;
private int mScreenWidth;
private int mMenuRightPadding;
private int mMenuWidth = 0;

private boolean once = false;
//Menu是否处于显示状态
private boolean isSlideOut;

public static final int RIGHT_PADDING = 100;

public XSlidinMenu(Context context, AttributeSet attrs) {
super(context, attrs);
// TODO Auto-generated constructor stub
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics metrics = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(metrics);
mScreenWidth = metrics.widthPixels;
//将dp转化为px
mMenuRightPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, XSlidinMenu.RIGHT_PADDING, context.getResources().getDisplayMetrics());
}

/**
* 设置子View的宽和高
* 设置自己的宽和高
*/
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// TODO Auto-generated method stub
if(!once){
mWapper = (LinearLayout) getChildAt(0);
mMenu = (ViewGroup) mWapper.getChildAt(0);
mContent = (ViewGroup) mWapper.getChildAt(1);

mMenuWidth  = mMenu.getLayoutParams().width = mScreenWidth - mMenuRightPadding;
mContent.getLayoutParams().width = mScreenWidth;
once = true;
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
/**
* 通过设置偏移量将Menu隐藏
*/
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
// TODO Auto-generated method stub
super.onLayout(changed, l, t, r, b);
if(changed){
this.scrollTo(mMenuWidth, 0);
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
// TODO Auto-generated method stub
int action = ev.getAction();
switch (action) {
case MotionEvent.ACTION_UP:
//隐藏在左边宽度
int scrollX = getScrollX();
if(scrollX >= mMenuWidth /2){
//Menu 左滑隐藏起来
this.smoothScrollTo(mMenuWidth, 0);
isSlideOut = false;
}else{
//Menu 右滑 显示出来
this.smoothScrollTo(0, 0);
isSlideOut = true;
}
return true;
}
return super.onTouchEvent(ev);
}
/**
* 向右滑出菜单显示出来
*/
public void slideOutMenu(){
if(!isSlideOut){
this.smoothScrollTo(0, 0);
isSlideOut = true;
}else{
return;
}
}
/**
* 向左滑出菜单隐藏起来
*/
public void slideInMenu(){
if(isSlideOut){
this.smoothScrollTo(mMenuWidth, 0);
isSlideOut = false;
}else{
return;
}
}
/**
* 切换菜单向右滑出显示或向左滑出隐藏的状态
*/
public void switchMenu(){
if(isSlideOut){
slideInMenu();
}else{
slideOutMenu();
}
}
/**
* 滚动发生时
*/
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
// TODO Auto-generated method stub
super.onScrollChanged(l, t, oldl, oldt);
//实现抽屉式滑动
float scale = l * 1.0f /mMenuWidth ;//1 ~ 0
float menuScale = 1.0f - scale * 0.3f;
float menuAlpha = 0.0f + 1.0f * (1 - scale);
float contentScale = 0.8f + 0.2f * scale;
//调用属性动画，设置TranslationX
ViewHelper.setTranslationX(mMenu, mMenuWidth*scale*0.8f);

//左侧菜单的缩放
ViewHelper.setScaleX(mMenu, menuScale);
ViewHelper.setScaleY(mMenu, menuScale);
//左侧菜单的透明度缩放
ViewHelper.setAlpha(mMenu, menuAlpha);

//右侧内容的缩放
ViewHelper.setPivotX(mContent, 0);
ViewHelper.setPivotY(mContent, mContent.getHeight() / 2);
ViewHelper.setScaleY(mContent, contentScale);
ViewHelper.setScaleX(mContent, contentScale);
}

}

public class ShitActivit extends BaseActivity {
private XSlidinMenu xcSlideMenu;
private TextView btnSwitch;
private TextView DEMO;
private TextView fuck;
private static final String SNOW_ONE = "*Date*: "+"2016-1-25-2016-2-4"+"\n";
public void setContentView() {
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
xcSlideMenu = (XSlidinMenu) findViewById(R.id.slideMenu);
btnSwitch = (TextView)findViewById(R.id.btnSwitch);
btnSwitch.setClickable(true);
btnSwitch.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
xcSlideMenu.switchMenu();
}
});
}

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

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_centerInParent="true"
>

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<Button
android:id="@+id/menu1"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:gravity="center_vertical"
android:layout_centerVertical="true"
android:textColor="#ffffff"
android:textSize="25sp"
android:text="CALL" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/menu2"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:gravity="center_vertical"
android:layout_centerVertical="true"
android:textColor="#ffffff"
android:textSize="25sp"
android:text="第二个item2" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/menu3"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:gravity="center_vertical"
android:layout_centerVertical="true"
android:textColor="#ffffff"
android:textSize="25sp"
android:text="第三个item3" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/menu4"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:gravity="center_vertical"
android:layout_centerVertical="true"
android:textColor="#ffffff"
android:textSize="25sp"
android:text="第四个item4" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/menu5"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:gravity="center_vertical"
android:layout_centerVertical="true"
android:textColor="#ffffff"
android:textSize="25sp"
android:text="第五个item5" />
</RelativeLayout>
</LinearLayout>

</RelativeLayout>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
>

<com.shit.XSlidinMenu
android:id="@+id/slideMenu"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/img_frame_background"
android:scrollbars="none" >

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:orientation="horizontal" >

<include layout="@layout/left" />

<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/qihu" >
<com.fuck.Type
android:id="@+id/last"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</com.fuck.Type>
<TextView
android:id="@+id/btnSwitch"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/btn_bg"
android:padding="5dp"
android:textSize="16sp"
android:textColor="#FFF"
android:layout_margin="10dp"
android:text="切换菜单" />
</LinearLayout>
</LinearLayout>
</com.shit.XSlidinMenu>

</RelativeLayout>