public class MainActivity extendsActivity {//ViewPager
privateViewPager viewpager;//幻燈片圖檔資源
private int [] imgArray={R.drawable.view1,R.drawable.view2,R.drawable.view3};//圖檔數組
private ArrayListviewlist;privateImageView imageView;//點點
privateViewGroup pointgroup;privateImageView[] pointarr;
@Overrideprotected voidonCreate(Bundle savedInstanceState) {//TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_viewpage);//初始化
viewpager =(ViewPager) findViewById(R.id.viewpager);
pointgroup=(ViewGroup) findViewById(R.id.pointgroup);
viewlist= new ArrayList();//将圖檔裝載到數組
for(int i=0;i
imageView=new ImageView(this);//設定圖檔
imageView.setBackgroundResource(imgArray[i]);//設定圖檔id
imageView.setId(imgArray[i]);
viewlist.add(imageView);
}
//傳遞上下文
Context context = MainActivity.this;
MyPageAdapter pageadapter2=newMyPageAdapter(viewlist,context);
viewpager.setAdapter(pageadapter2);//點數組
pointarr=newImageView[imgArray.length];//把點加入布局，和設定點狀态
for(int i=0;i
ImageView point=new ImageView(this);//設定點大小
point.setLayoutParams(new LayoutParams(10,10));
pointarr[i]=point;//狀态處理
if(i==0){
pointarr[i].setBackgroundResource(R.drawable.viewpage_point_focused);
}else{
pointarr[i].setBackgroundResource(R.drawable.viewpage_point_unfocused);
}//加入到容器
pointgroup.addView(pointarr[i]);
}//viewpager設定監聽器
pointChangeListener pointListener=newpointChangeListener();
viewpager.setOnPageChangeListener(pointListener);//點選圖檔
}
public class pointChangeListener implementsOnPageChangeListener{
@Overridepublic void onPageScrollStateChanged(intarg0) {//TODO Auto-generated method stub
}
@Overridepublic void onPageScrolled(int arg0, float arg1, intarg2) {//TODO Auto-generated method stub
}
@Override//比如切換到第二張圖檔，相應索引的點為選擇狀态，其他為未選中狀态
public void onPageSelected(intarg0) {//TODO Auto-generated method stub
for(int i=0;i
pointarr[arg0].setBackgroundResource(R.drawable.viewpage_point_focused);if(arg0 !=i){
pointarr[i].setBackgroundResource(R.drawable.viewpage_point_unfocused);
}
}
}
}
}