Yuito-app-android/app/src/main/java/com/keylesspalace/tusky/pager/ImagePagerAdapter.java

40 lines
1.1 KiB
Java

package com.keylesspalace.tusky.pager;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import com.keylesspalace.tusky.fragment.ViewMediaFragment;
import java.util.Locale;
public class ImagePagerAdapter extends FragmentPagerAdapter {
private String[] urls;
private int initialPosition;
public ImagePagerAdapter(FragmentManager fragmentManager, String[] urls, int initialPosition) {
super(fragmentManager);
this.urls = urls;
this.initialPosition = initialPosition;
}
@Override
public Fragment getItem(int position) {
if (position >= 0 && position < urls.length) {
return ViewMediaFragment.newInstance(urls[position], position == initialPosition);
} else {
return null;
}
}
@Override
public int getCount() {
return urls.length;
}
@Override
public CharSequence getPageTitle(int position) {
return String.format(Locale.getDefault(), "%d/%d", position + 1, urls.length);
}
}