代码更新

app/src/main/java/com/electric/chargingpile/activity/ChatContentListActivity.java

import com.zhy.http.okhttp.OkHttpUtils;
import com.zhy.http.okhttp.callback.StringCallback;
import org.w3c.dom.Text;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
        public Map<String, ChatContentFragment> map = new HashMap<>();
        private Handler handler;
        private FragmentManager fm;
        public ChatContentAdapter(FragmentManager fm, Handler handler) {
            super(fm);
            this.fm = fm;
            this.handler = handler;
        }
        public android.support.v4.app.Fragment getItem(int i) {
            ChatContentFragment fragment = ChatContentFragment.newInstance(i, from);
            fragment.handler = handler;
            fragment.fm = fm;
            map.put(i + "", fragment);
            return fragment;
        }
    public static class ChatContentFragment extends Fragment implements View.OnClickListener {
        private FragmentManager fm;
        private Handler handler;
        private static final String ARG_INDEX = "index";
        private static final String ARG_FROM = "from";

app/src/main/java/com/electric/chargingpile/adapter/ChatPhotoFragmentPagerAdapter.java

import java.util.ArrayList;
import java.util.List;
public class ChatPhotoFragmentPagerAdapter extends FragmentPagerAdapter {
public class ChatPhotoFragmentPagerAdapter extends FragmentStatePagerAdapter {
    private List<ChatPhotoFragment> fragments = new ArrayList<>();
    public ChatPhotoFragmentPagerAdapter(FragmentManager fm, List<ChatPhotoFragment> fragments) {