realmente com o viewholder resolvi meu problema, fui pesquisar e conseguir, obrigado pela atenção e pela ajuda.
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_image_slider, container, false);
viewPager = (ViewPager) v.findViewById(R.id.viewpager);
lblCount = (TextView) v.findViewById(R.id.lbl_count);
lblTitle = (TextView) v.findViewById(R.id.title);
lblDate = (TextView) v.findViewById(R.id.date);
botaoproximo = v.findViewById(R.id.btnproximo);
botaovoltar = v.findViewById(R.id.btnvoltar);
botaoproximo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
viewPager.setCurrentItem(prox(+1),true);
}
});
botaovoltar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
viewPager.setCurrentItem(voltar(-1),true);
}
});
images = (ArrayList<Image>) getArguments().getSerializable("images");
selectedPosition = getArguments().getInt("position");
Log.e(TAG, "position: " + selectedPosition);
Log.e(TAG, "images size: " + images.size());
myViewPagerAdapter = new MyViewPagerAdapter();
viewPager.setAdapter(myViewPagerAdapter);
viewPager.addOnPageChangeListener(viewPagerPageChangeListener);
setCurrentItem(selectedPosition);
return v;
}
private int prox(int i) {
return viewPager.getCurrentItem() + i;
}
private int voltar(int i) {
return viewPager.getCurrentItem()-1;
}
private void setCurrentItem(int position) {
viewPager.setCurrentItem(position, false);
displayMetaInfo(selectedPosition);
}
// page change listener
ViewPager.OnPageChangeListener viewPagerPageChangeListener = new ViewPager.OnPageChangeListener() {
@Override
public void onPageSelected(int position) {
displayMetaInfo(position);
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageScrollStateChanged(int arg0) {
}
};
private void displayMetaInfo(int position) {
lblCount.setText((position + 1) + " of " + images.size());
Image image = images.get(position);
lblTitle.setText(image.getName());
lblDate.setText(image.getTimestamp());
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setStyle(DialogFragment.STYLE_NORMAL, android.R.style.Theme_Black_NoTitleBar_Fullscreen);
}
// adapter
public class MyViewPagerAdapter extends PagerAdapter {
private LayoutInflater layoutInflater;
public MyViewPagerAdapter() {
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
layoutInflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = layoutInflater.inflate(R.layout.image_fullscreen_preview, container, false);
ImageView imageViewPreview = (ImageView) view.findViewById(R.id.image_preview);
Image image = images.get(position);
Glide.with(getActivity()).load(image.getLarge())
.thumbnail(0.5f)
.crossFade()
.diskCacheStrategy(DiskCacheStrategy.ALL)
.into(imageViewPreview);
container.addView(view);
return view;
}
@Override
public int getCount() {
return images.size();
}
@Override
public boolean isViewFromObject(View view, Object obj) {
return view == ((View) obj);
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View) object);
}
public void next_fragment(View view) {
viewPager.setCurrentItem(viewPager.getCurrentItem()+1);
}
public void previous_fragment(View view) {
viewPager.setCurrentItem(viewPager.getCurrentItem()-1);
}
}
}
