Android导航菜单横向左右滑动并和下方的控件实现联动

这个是美团网个人订单的效果,找了很多地方都没找到,自己研究了两天终于弄出来了^_^,有什么问题希望大家指出来,谢谢。

实现原理是上方使用HorizontalScrollView这个可以水平横向拖动的控件,在其中加入了5个RadioButton;下方使用的是ViewPager,里面加入了7个Layout文件,其中第一个和最后一个为空,是为了实现拖到第一个屏幕的时候还能往外拖动的效果。

先看下效果,切换都是带动画效果的,并且点击上面最右边的标签时会自动滚动出后面的标签。

现在看一下代码:

package com.zj.horizontalsrollview;  

import java.util.ArrayList;  

import android.app.Activity;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.MarginLayoutParams;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.AnimationUtils;
import android.view.animation.TranslateAnimation;
import android.widget.HorizontalScrollView;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
/**
 * HorizontalScrollView和ViewPager联动效果
 * 上面为HorizontalScrollView,下面为ViewPager
 * @author zj
 * 2012-5-23 下午1:07:06
 */
public class MainActivity extends Activity implements OnCheckedChangeListener{
    private RadioGroup mRadioGroup;
    private RadioButton mRadioButton1;
    private RadioButton mRadioButton2;
    private RadioButton mRadioButton3;
    private RadioButton mRadioButton4;
    private RadioButton mRadioButton5;
    private ImageView mImageView;
    private float mCurrentCheckedRadioLeft;//当前被选中的RadioButton距离左侧的距离
    private HorizontalScrollView mHorizontalScrollView;//上面的水平滚动控件
    private ViewPager mViewPager;   //下方的可横向拖动的控件
    private ArrayList<View> mViews;//用来存放下方滚动的layout(layout_1,layout_2,layout_3)
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);  

        iniController();
        iniListener();
        iniVariable();  

        mRadioButton1.setChecked(true);
        mViewPager.setCurrentItem();
        mCurrentCheckedRadioLeft = getCurrentCheckedRadioLeft();  

    }  

    private void iniVariable() {
        // TODO Auto-generated method stub
        mViews = new ArrayList<View>();
        mViews.add(getLayoutInflater().inflate(R.layout.layout_0, null));
        mViews.add(getLayoutInflater().inflate(R.layout.layout_1, null));
        mViews.add(getLayoutInflater().inflate(R.layout.layout_2, null));
        mViews.add(getLayoutInflater().inflate(R.layout.layout_3, null));
        mViews.add(getLayoutInflater().inflate(R.layout.layout_4, null));
        mViews.add(getLayoutInflater().inflate(R.layout.layout_5, null));
        mViews.add(getLayoutInflater().inflate(R.layout.layout_0, null));  

        mViewPager.setAdapter(new MyPagerAdapter());//设置ViewPager的适配器
    }  

    /**
     * RadioGroup点击CheckedChanged监听
     */
    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {  

        AnimationSet _AnimationSet = new AnimationSet(true);
        TranslateAnimation _TranslateAnimation;  

        Log.i("zj", "checkedid="+checkedId);
        if (checkedId == R.id.btn1) {
            _TranslateAnimation = new TranslateAnimation(mCurrentCheckedRadioLeft, getResources().getDimension(R.dimen.rdo1), 0f, 0f);
            _AnimationSet.addAnimation(_TranslateAnimation);
            _AnimationSet.setFillBefore(false);
            _AnimationSet.setFillAfter(true);
            _AnimationSet.setDuration();
            /*LayoutParams _LayoutParams1 = new LayoutParams(100, 4);
            _LayoutParams1.setMargins(0, 0, 0, 0);
            _LayoutParams1.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);*/
            //mImageView.bringToFront();
            mImageView.startAnimation(_AnimationSet);//开始上面蓝色横条图片的动画切换
            //mImageView.setLayoutParams(_LayoutParams1);
            mViewPager.setCurrentItem();//让下方ViewPager跟随上面的HorizontalScrollView切换
        }else if (checkedId == R.id.btn2) {
            _TranslateAnimation = new TranslateAnimation(mCurrentCheckedRadioLeft, getResources().getDimension(R.dimen.rdo2), 0f, 0f);  

            _AnimationSet.addAnimation(_TranslateAnimation);
            _AnimationSet.setFillBefore(false);
            _AnimationSet.setFillAfter(true);
            _AnimationSet.setDuration();  

            //mImageView.bringToFront();
            mImageView.startAnimation(_AnimationSet);  

            mViewPager.setCurrentItem();
        }else if (checkedId == R.id.btn3) {
            _TranslateAnimation = new TranslateAnimation(mCurrentCheckedRadioLeft, getResources().getDimension(R.dimen.rdo3), 0f, 0f);  

            _AnimationSet.addAnimation(_TranslateAnimation);
            _AnimationSet.setFillBefore(false);
            _AnimationSet.setFillAfter(true);
            _AnimationSet.setDuration();  

            //mImageView.bringToFront();
            mImageView.startAnimation(_AnimationSet);  

            mViewPager.setCurrentItem();
        }else if (checkedId == R.id.btn4) {
            _TranslateAnimation = new TranslateAnimation(mCurrentCheckedRadioLeft, getResources().getDimension(R.dimen.rdo4), 0f, 0f);  

            _AnimationSet.addAnimation(_TranslateAnimation);
            _AnimationSet.setFillBefore(false);
            _AnimationSet.setFillAfter(true);
            _AnimationSet.setDuration();  

            //mImageView.bringToFront();
            mImageView.startAnimation(_AnimationSet);
            mViewPager.setCurrentItem();
        }else if (checkedId == R.id.btn5) {
            _TranslateAnimation = new TranslateAnimation(mCurrentCheckedRadioLeft, getResources().getDimension(R.dimen.rdo5), 0f, 0f);  

            _AnimationSet.addAnimation(_TranslateAnimation);
            _AnimationSet.setFillBefore(false);
            _AnimationSet.setFillAfter(true);
            _AnimationSet.setDuration();  

            //mImageView.bringToFront();
            mImageView.startAnimation(_AnimationSet);  

            mViewPager.setCurrentItem();
        }  

        mCurrentCheckedRadioLeft = getCurrentCheckedRadioLeft();  

        Log.i("zj", "getCurrentCheckedRadioLeft="+getCurrentCheckedRadioLeft());
        Log.i("zj", "getDimension="+getResources().getDimension(R.dimen.rdo2));  

        mHorizontalScrollView.smoothScrollTo((int)mCurrentCheckedRadioLeft-(int)getResources().getDimension(R.dimen.rdo2), );
    }  

    /**
     * 获得当前被选中的RadioButton距离左侧的距离
     */
    private float getCurrentCheckedRadioLeft() {
        // TODO Auto-generated method stub
        if (mRadioButton1.isChecked()) {
            //Log.i("zj", "currentCheckedRadioLeft="+getResources().getDimension(R.dimen.rdo1));
            return getResources().getDimension(R.dimen.rdo1);
        }else if (mRadioButton2.isChecked()) {
            //Log.i("zj", "currentCheckedRadioLeft="+getResources().getDimension(R.dimen.rdo2));
            return getResources().getDimension(R.dimen.rdo2);
        }else if (mRadioButton3.isChecked()) {
            //Log.i("zj", "currentCheckedRadioLeft="+getResources().getDimension(R.dimen.rdo3));
            return getResources().getDimension(R.dimen.rdo3);
        }else if (mRadioButton4.isChecked()) {
            //Log.i("zj", "currentCheckedRadioLeft="+getResources().getDimension(R.dimen.rdo4));
            return getResources().getDimension(R.dimen.rdo4);
        }else if (mRadioButton5.isChecked()) {
            //Log.i("zj", "currentCheckedRadioLeft="+getResources().getDimension(R.dimen.rdo5));
            return getResources().getDimension(R.dimen.rdo5);
        }
        return 0f;
    }  

    private void iniListener() {
        // TODO Auto-generated method stub  

        mRadioGroup.setOnCheckedChangeListener(this);  

        mViewPager.setOnPageChangeListener(new MyPagerOnPageChangeListener());
    }  

    private void iniController() {
        // TODO Auto-generated method stub
        mRadioGroup = (RadioGroup)findViewById(R.id.radioGroup);
        mRadioButton1 = (RadioButton)findViewById(R.id.btn1);
        mRadioButton2 = (RadioButton)findViewById(R.id.btn2);
        mRadioButton3 = (RadioButton)findViewById(R.id.btn3);
        mRadioButton4 = (RadioButton)findViewById(R.id.btn4);
        mRadioButton5 = (RadioButton)findViewById(R.id.btn5);  

        mImageView = (ImageView)findViewById(R.id.img1);  

        mHorizontalScrollView = (HorizontalScrollView)findViewById(R.id.horizontalScrollView);  

        mViewPager = (ViewPager)findViewById(R.id.pager);
    }  

    /**
     * ViewPager的适配器
     * @author zj
     * 2012-5-24 下午2:26:57
     */
    private class MyPagerAdapter extends PagerAdapter{  

        @Override
        public void destroyItem(View v, int position, Object obj) {
            // TODO Auto-generated method stub
            ((ViewPager)v).removeView(mViews.get(position));
        }  

        @Override
        public void finishUpdate(View arg0) {
            // TODO Auto-generated method stub  

        }  

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return mViews.size();
        }  

        @Override
        public Object instantiateItem(View v, int position) {
            ((ViewPager)v).addView(mViews.get(position));
            return mViews.get(position);
        }  

        @Override
        public boolean isViewFromObject(View arg0, Object arg1) {
            // TODO Auto-generated method stub
            return arg0 == arg1;
        }  

        @Override
        public void restoreState(Parcelable arg0, ClassLoader arg1) {
            // TODO Auto-generated method stub  

        }  

        @Override
        public Parcelable saveState() {
            // TODO Auto-generated method stub
            return null;
        }  

        @Override
        public void startUpdate(View arg0) {
            // TODO Auto-generated method stub  

        }  

    }
    /**
     * ViewPager的PageChangeListener(页面改变的监听器)
     * @author zj
     * 2012-5-24 下午3:14:27
     */
    private class MyPagerOnPageChangeListener implements OnPageChangeListener{  

        @Override
        public void onPageScrollStateChanged(int arg0) {
            // TODO Auto-generated method stub  

        }  

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
            // TODO Auto-generated method stub  

        }
        /**
         * 滑动ViewPager的时候,让上方的HorizontalScrollView自动切换
         */
        @Override
        public void onPageSelected(int position) {
            // TODO Auto-generated method stub
            //Log.i("zj", "position="+position);  

            if (position == ) {
                mViewPager.setCurrentItem();
            }else if (position == ) {
                mRadioButton1.performClick();
            }else if (position == ) {
                mRadioButton2.performClick();
            }else if (position == ) {
                mRadioButton3.performClick();
            }else if (position == ) {
                mRadioButton4.performClick();
            }else if (position == ) {
                mRadioButton5.performClick();
            }else if (position == ) {
                mViewPager.setCurrentItem();
            }
        }  

    }  

}  

XML文件:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    <HorizontalScrollView
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:fadingEdge="@null"
        android:scrollbars="none"
        android:background="#555555"
        android:id="@+id/horizontalScrollView"
    >
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="#33b5e5"
        >
            <RadioGroup
                android:id="@+id/radioGroup"
                android:layout_width="fill_parent"
                android:layout_height="49dp"
                android:orientation="horizontal"
                android:layout_alignParentTop="true"
            >
                <RadioButton
                    style="@style/radioButton"
                    android:text="one"
                    android:id="@+id/btn1"
                />
                <RadioButton
                    style="@style/radioButton"
                    android:text="two"
                    android:id="@+id/btn2"
                />
                <RadioButton
                    style="@style/radioButton"
                    android:text="three"
                    android:id="@+id/btn3"
                />
                <RadioButton
                    style="@style/radioButton"
                    android:text="four"
                    android:id="@+id/btn4"
                />
                <RadioButton
                    style="@style/radioButton"
                    android:text="five"
                    android:id="@+id/btn5"
                />
            </RadioGroup>
            <ImageView
                android:id="@+id/img1"
                android:layout_width="100dp"
                android:layout_height="4dp"
                android:background="#33b5e5"
                android:layout_alignParentBottom="true"
            />
        </RelativeLayout>
    </HorizontalScrollView>
    <android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
    />
</LinearLayout>  

第一次写这么多,希望转载的朋友能够尊重作者的劳动成果，加上转载地，谢谢。

http://zhengjiong.iteye.com/blog/1539951