import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.support.v4.view.ViewPager;import android.util.Log;import android.view.View;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import com.yyp.myapp.Adapter.ViewPagerAdapter;import com.yyp.myapp.R;import java.util.ArrayList;import java.util.List;public class ViewPagerActivity extends Activity implements ViewPager.OnPageChangeListener,View.OnClickListener { private ViewPager viewPager; private ImageView[] pots; private List<View> views; private TextView et_into_login; private ViewPagerAdapter adapter; //圖片資源 private int[] guideImages = {R.drawable.guide1,R.drawable.guide2,R.drawable.guide3}; private int index; private LinearLayout layout; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_view_pager);  initView();  initData(); } //初始化ViewPager public void initView() {  layout = (LinearLayout) this.findViewById(R.id.ll_pots);  viewPager = (ViewPager) this.findViewById(R.id.viewpager);  et_into_login = (TextView) this.findViewById(R.id.et_into_login);  views = new ArrayList<View>();  adapter = new ViewPagerAdapter(views);  pots = new ImageView[guideImages.length];  Log.e("ll_viewpager", layout + ""); } //初始化每一個(gè)圖片數(shù)據(jù) public void initData() {  //設(shè)置圖片的長(zhǎng)寬類型  android.view.ViewGroup.LayoutParams layoutParams = new android.view.ViewGroup.LayoutParams(android.view.ViewGroup.LayoutParams.MATCH_PARENT,android.view.ViewGroup.LayoutParams.MATCH_PARENT);  for(int i:guideImages)  {   ImageView imageView = new ImageView(this);   imageView.setImageResource(i); //將對(duì)應(yīng)圖片的id傳進(jìn)去，用于初始化圖片   imageView.setLayoutParams(layoutParams);   views.add(imageView);  }  initPot();  viewPager.setAdapter(adapter);  viewPager.setOnPageChangeListener(this); } //初始化每個(gè)點(diǎn)顏色 public void initPot() {  //點(diǎn)的集合  for(int i=0;i<layout.getChildCount();i++)  {   //全部設(shè)置為灰色   pots[i] = (ImageView) layout.getChildAt(i);   pots[i].setImageResource(R.drawable.pot5);   //給每個(gè)點(diǎn)設(shè)置點(diǎn)擊事件   pots[i].setOnClickListener(this);   pots[i].setTag(i);  }  //第一個(gè)設(shè)置為橙色  index = 0;  pots[index].setImageResource(R.drawable.pot1); } @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 } @Override public void onPageSelected(int position) {  // TODO Auto-generated method stub  SetIndex(position);  //最后一張導(dǎo)航頁(yè)才進(jìn)行跳轉(zhuǎn)提示  if(position==2){   et_into_login.setVisibility(View.VISIBLE);  }else{   et_into_login.setVisibility(View.INVISIBLE);  } } public void SetIndex(int position) {  // TODO Auto-generated method stub  for(int i=0;i<layout.getChildCount();i++)  {   //全部設(shè)置為灰色   pots[i] = (ImageView) layout.getChildAt(i);   pots[i].setImageResource(R.drawable.pot5);  }  //選中的設(shè)置為橙色  pots[position].setImageResource(R.drawable.pot1); } @Override public void onClick(View v) {  // TODO Auto-generated method stub  int i = (Integer) v.getTag();  //設(shè)置當(dāng)前頁(yè)為i所對(duì)應(yīng)的圖片  viewPager.setCurrentItem(i);  if(i==2){   et_into_login.setVisibility(View.VISIBLE);  } } //跳轉(zhuǎn)到登錄界面 public void goLogin(View v){  Intent goLogin = new Intent(this,LoginActivity.class);  startActivity(goLogin);  finish(); }}

import android.support.v4.view.PagerAdapter;import android.view.View;import android.view.ViewGroup;import java.util.List;/** * Created by yyp on 2015/10/25. */public class ViewPagerAdapter extends PagerAdapter { //獲得導(dǎo)航頁(yè)的圖片集 private List<View> views; public ViewPagerAdapter(List<View> views) {  this.views = views; } //獲得界面?zhèn)€數(shù) @Override public int getCount() {  //返回圖片頁(yè)數(shù)  return views.size(); } //初始化position位置的界面 @Override public Object instantiateItem(ViewGroup container, int position) {  ((ViewGroup)container).addView(views.get(position));  return views.get(position); } //判斷是否由對(duì)象生成界面 @Override public boolean isViewFromObject(View arg0, Object arg1) {  // TODO Auto-generated method stub  return arg0==arg1; } //對(duì)不在界面內(nèi)的導(dǎo)航頁(yè)進(jìn)行刪除 @Override public void destroyItem(ViewGroup container, int position, Object object) {  container.removeView(views.get(position)); }}