ProfilePagesAdapter.java

package com.alorma.github.ui.activity;

import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import com.alorma.github.ui.listeners.TitleProvider;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by bernat.borras on 13/12/15.
 */
public class ProfilePagesAdapter extends FragmentPagerAdapter {
  private final List<Fragment> fragments;
  private final Context context;

  public ProfilePagesAdapter(Context context, FragmentManager fm, List<Fragment> fragments) {
    super(fm);
    this.context = context;
    if (fragments == null) {
      this.fragments = new ArrayList<>();
    } else {
      this.fragments = fragments;
    }
  }

  @Override
  public Fragment getItem(int position) {
    return fragments.get(position);
  }

  @Override
  public int getCount() {
    return fragments.size();
  }

  @Override
  public CharSequence getPageTitle(int position) {
    if (fragments.get(position) instanceof TitleProvider) {
      return context.getString(((TitleProvider) fragments.get(position)).getTitle());
    } else {
      return "";
    }
  }
}