Android ViewPager联动HorizontalScrollView

package com.zj.horizontalsrollview; import java.util.ArrayList; import android.app.Activity; import android.content.Context; 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.view.View; import android.view.ViewGroup; import android.view.animation.AnimationSet; import android.view.animation.TranslateAnimation; import android.widget.BaseAdapter; import android.widget.HorizontalScrollView; import android.widget.ImageView; import android.widget.ListView; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.RadioGroup.OnCheckedChangeListener; import android.widget.TextView; import com.zj.horizontalsrollview.test.Test; /** * 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 Context context; private int PagerCount = 3; private int[] iDs; private int CURRENTPAGE = 0; private RadioGroup mRadioGroup; 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); context = MainActivity.this; setContentView(R.layout.dl_selfpunish_illegal_base_radio_group); saveID(); iniController(); iniListener(); initVariable(); RadioButton rb = (RadioButton) mRadioGroup.getChildAt(0); rb.setChecked(true); mViewPager.setCurrentItem(1); mCurrentCheckedRadioLeft = getCurrentCheckedRadioLeft(mRadioGroup); } private void saveID() { // 保存ID的数组 iDs = new int[PagerCount]; for (int i = 0; i < PagerCount; i++) { iDs[i] = i; } } private void initVariable() { mViews = new ArrayList<View>(); mViews.add(getLayoutInflater().inflate(R.layout.layout_0, null)); for (int i = 0; i < PagerCount; i++) { View childList = (View)getLayoutInflater().inflate(R.layout.dl_selfpunish_illegal_child_list, null); ListView childLV = (ListView)childList.findViewById(R.id.dl_selfpunish_illegal_child_list_lv); IllegalMsgAdapter adapter = new IllegalMsgAdapter(i); childLV.setAdapter(adapter); // TextView tv = new TextView(context); // tv.setText("测试：" + i); mViews.add(childList); } 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; for(int i=0;i<PagerCount;i++){ System.out.println("checkedId:"+checkedId+"--iDs[i]:"+iDs[i] + "PagerCount:"+PagerCount); if (checkedId == iDs[i]) { CURRENTPAGE = checkedId; _TranslateAnimation = new TranslateAnimation( mCurrentCheckedRadioLeft, dip2px(context, 100 * i), 0f, 0f); _AnimationSet.addAnimation(_TranslateAnimation); _AnimationSet.setFillAfter(true); _AnimationSet.setDuration(300); mImageView.startAnimation(_AnimationSet);// 开始上面蓝色横条图片的动画切换 mViewPager.setCurrentItem(i+1);// 让下方ViewPager跟随上面的HorizontalScrollView切换 } } mCurrentCheckedRadioLeft = getCurrentCheckedRadioLeft(mRadioGroup);// 更新当前蓝色横条距离左边的距离 mHorizontalScrollView.smoothScrollTo((int) mCurrentCheckedRadioLeft - (int) getResources().getDimension(R.dimen.rdo2), 0); } /** * 获得当前被选中的RadioButton距离左侧的距离 */ private float getCurrentCheckedRadioLeft(RadioGroup mRadioGroup) { // TODO Auto-generated method stub int count = mRadioGroup.getChildCount(); for (int i = 0; i < count; i++) { RadioButton childRB = (RadioButton) mRadioGroup.getChildAt(i); if (childRB.getId() == iDs[i] && childRB.isChecked()) { return dip2px(context, 100 * i); } } return 0f; } private void iniListener() { mRadioGroup.setOnCheckedChangeListener(this); mViewPager.setOnPageChangeListener(new MyPagerOnPageChangeListener()); } private void iniController() { mRadioGroup = (RadioGroup) findViewById(R.id.radioGroup); for (int i = 0; i < PagerCount; i++) { RadioButton childLayout = (RadioButton) View.inflate(context, R.layout.dl_selfpunish_illegal_base_radio_button, null); childLayout.setId(iDs[i]); childLayout.setText("川A1234" + i); int px = dip2px(context, 100); childLayout.setWidth(px); mRadioGroup.addView(childLayout); } mImageView = (ImageView) findViewById(R.id.img1); mHorizontalScrollView = (HorizontalScrollView) findViewById(R.id.horizontalScrollView); mViewPager = (ViewPager) findViewById(R.id.pager); } private int dip2px(Context context, float dipValue) { final float scale = context.getResources().getDisplayMetrics().density; return (int) (dipValue * scale + 0.5f); } /** * 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) { for(int i=0;i< PagerCount;i++){ if(position == 0){//0 mViewPager.setCurrentItem(1); }else if(position == (PagerCount+1)){//7 mViewPager.setCurrentItem(PagerCount); }else if(position == iDs[i]+1){ mRadioGroup.getChildAt(position - 1).performClick(); System.out.println("position1:"+position+"--iDs length:"+iDs.length); for(int j=0;j<iDs.length;j++){ System.out.println("iDs"+j+":"+iDs[j]); } } } } } //===================================================适配器======================================================= private class IllegalMsgAdapter extends BaseAdapter{ private int currentPage; public IllegalMsgAdapter(int currentPage){ this.currentPage = currentPage; } @Override public int getCount() { // TODO Auto-generated method stub if(currentPage == 0){ return 3; }else if(currentPage ==1){ return 2; }else if(currentPage == 2){ return 1; }else{ return 0; } } @Override publi