Version:1.0StartHTML:0000000128EndHTML:0000019763StartFragment:0000000128EndFragment:0000019763SourceURL:about:blank
packagecom.example.taodemo;
importandroid.content.Context;
importandroid.os.AsyncTask;
importandroid.os.Handler;
importandroid.os.Message;
importandroid.support.v4.view.PagerAdapter;
importandroid.support.v4.view.ViewPager;
importandroid.support.v7.app.AppCompatActivity;
importandroid.os.Bundle;
importandroid.support.v7.widget.LinearLayoutCompat;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.view.ViewParent;
importandroid.widget.ImageView;
importandroid.widget.LinearLayout;
importjava.lang.ref.WeakReference;
importjava.util.ArrayList;
importjava.util.List;
public classMainActivityextendsAppCompatActivity {
ViewPagervp;
intindex=0;
Listlist_doc;
Listlist_vp;
intimages[]={R.mipmap.ic_launcher,R.mipmap.ic_launcher,R.mipmap.ic_launcher,R.mipmap.ic_launcher};
Handlerhandler=newHandler();
@Override
protected voidonCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
vp= (ViewPager) findViewById(R.id.main_vp);
initvpData();
}
private voidinitvpData() {
newAsyncTask(){
@Override
protectedString doInBackground(String... strings) {
return null;
}
@Override
protected voidonPostExecute(String s) {
initvp();
super.onPostExecute(s);
}
}.execute();
}
private voidinitvp() {
list_vp=newArrayList<>();
for(inti=0;i<4;i++){
ImageView imgv=newImageView(this);
imgv.setScaleType(ImageView.ScaleType.FIT_XY);
imgv.setImageResource(images[i]);
list_vp.add(imgv);
}
MyAdapter myAdapter=newMyAdapter();
vp.setAdapter(myAdapter);
handler.postDelayed(newRunnable() {
@Override
public voidrun() {
index=vp.getCurrentItem();
index++;
vp.setCurrentItem(index);
handler.postDelayed(this,3000);
}
},3000);
initDoc();
vp.addOnPageChangeListener(newViewPager.OnPageChangeListener() {
@Override
public voidonPageScrolled(intposition,floatpositionOffset,intpositionOffsetPixels) {
}
@Override
public voidonPageSelected(intposition) {
// int index=position%list_doc.size();
for(inti=0;i
if(i==position%images.length){
list_doc.get(i).setImageResource(R.drawable.doc_check);
}else{
list_doc.get(i).setImageResource(R.drawable.doc_uncheck);
}
}
// list_doc.get(index);
}
@Override
public voidonPageScrollStateChanged(intstate) {
}
});
}
private voidinitDoc() {
LinearLayout ll_doc= (LinearLayout) findViewById(R.id.ll_doc);
list_doc=newArrayList();
if(list_vp!=null){
for(inti=0;i
ImageView iv=newImageView(MainActivity.this);
LinearLayoutCompat.LayoutParamsparams=newLinearLayoutCompat.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
params.rightMargin=10;
iv.setLayoutParams(params);
if(i==0){
iv.setImageResource(R.drawable.doc_check);
}else{
iv.setImageResource(R.drawable.doc_uncheck);
}
ll_doc.addView(iv,params);
list_doc.add(iv);
}
}
}
classMyAdapterextendsPagerAdapter{
@Override
public intgetCount() {
return10000;
}
@Override
public booleanisViewFromObject(View view, Object object) {
returnview==object;
}
@Override
publicObject instantiateItem(ViewGroup container,intposition) {
position%=list_vp.size();
if(position<0){
position=list_vp.size()+position;
}
ImageView view=list_vp.get(position);
ViewParent viewParent=view.getParent();
if(viewParent!=null){
ViewGroup parent= (ViewGroup) viewParent;
parent.removeView(view);
}
container.addView(view);
returnview ;
}
@Override
public voiddestroyItem(ViewGroup container,intposition, Object object) {
}
}
}
