第二阶段冲刺-06

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

import com.example.myapplication.Fragment.HistoryFragment;
import com.example.myapplication.Fragment.MineFragment;
import com.example.myapplication.Fragment.MsgFragment;

/**
 * @author:created By ZhangHao
 * 时间：2019/4/24 17
 * 邮箱：188660586@qq.com
 */
public class MainFragmentAdapter extends FragmentPagerAdapter {
    public MainFragmentAdapter(FragmentManager fm) {
        super(fm);
    }

    @Override
    public Fragment getItem(int i) {
        Fragment fragment = null;
        switch (i) {
            case 0:
                fragment = new MsgFragment();
                break;
            case 1:
                fragment = new HistoryFragment();
                break;
            case 2:
                fragment = new MineFragment();
                break;
            default:
                break;
        }
        return fragment;

    }

    @Override
    public int getCount() {
        return 3;
    }
}