第二阶段冲刺4

package com.example.shazidouhuiapp.activity;

 

import android.os.Bundle;

import android.widget.TextView;

 

import androidx.annotation.Nullable;

import androidx.appcompat.app.AppCompatActivity;

import androidx.fragment.app.Fragment;

import androidx.viewpager.widget.ViewPager;

 

import com.ashokvarma.bottomnavigation.BottomNavigationBar;

import com.ashokvarma.bottomnavigation.BottomNavigationItem;

 

import com.example.shazidouhuiapp.Adapter.setAdapter;

import com.example.shazidouhuiapp.R;

import com.example.shazidouhuiapp.fragment.FragmentMine;

import com.example.shazidouhuiapp.fragment.FragmentReadOver;

import com.example.shazidouhuiapp.fragment.FragmentUnfinished;

 

import java.util.ArrayList;

import java.util.List;

 

 

public class studentinterface extends AppCompatActivity implements BottomNavigationBar.OnTabSelectedListener, ViewPager.OnPageChangeListener {

    private ViewPager viewPager;

    private BottomNavigationBar bottomNavigationBar;

    private List<Fragment> fragmentList;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        viewPager=findViewById(R.id.viewpager);

        bottomNavigationBar=findViewById(R.id.bottom);

        initView();

 

    }

 

    private void initView() {

        initViewPager();

        initBottom();

 

    }

 

    private void initBottom() {

        bottomNavigationBar.setTabSelectedListener(this);

        bottomNavigationBar.clearAll();

        bottomNavigationBar.setMode(BottomNavigationBar.MODE_FIXED);

        bottomNavigationBar.setBackgroundStyle(BottomNavigationBar.BACKGROUND_STYLE_DEFAULT);

        bottomNavigationBar.setBarBackgroundColor(R.color.white).setActiveColor(R.color.colorbasel)

                .setInActiveColor(R.color.black);

        bottomNavigationBar.addItem(new BottomNavigationItem(R.drawable.homepage_fill,"未完成作业").setInactiveIconResource(R.drawable.homepage))

                .addItem(new BottomNavigationItem(R.drawable.mobilephone_fill,"已批改作业").setInactiveIconResource(R.drawable.mobilephone))

                .addItem(new BottomNavigationItem(R.drawable.mine_fill,"我的").setInactiveIconResource(R.drawable.mine))

                .setFirstSelectedPosition(0)

                .initialise();

 

    }

 

    private void initViewPager() {

 

        viewPager.setOffscreenPageLimit(3);

 

        //配置fragment

        fragmentList=new ArrayList<>();

        //三个底部导航栏的实例化

        fragmentList.add(new FragmentUnfinished());

        fragmentList.add(new FragmentReadOver());

        fragmentList.add(new FragmentMine());

 

        viewPager.setAdapter(new setAdapter(getSupportFragmentManager(),fragmentList));

        viewPager.addOnPageChangeListener(this);

        viewPager.setCurrentItem(0);

    }

 

 

    @Override

    public void onTabSelected(int position) {

 

    }

 

    @Override

    public void onTabUnselected(int position) {

 

    }

 

    @Override

    public void onTabReselected(int position) {

        viewPager.setCurrentItem(position);

    }

 

    @Override

    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

 

    }

 

    @Override

    public void onPageSelected(int position) {

        bottomNavigationBar.selectTab(position);

    }

 

    @Override

    public void onPageScrollStateChanged(int state) {

 

    }

}