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底部点击切换Fragment

2021-03-28 19:58:53  阅读:122  来源: 互联网

标签:ctab Fragment int 点击 切换 new import com public


导入依赖
implementation ‘com.flyco.tablayout:FlycoTabLayout_Lib:2.0.2@aar’//flycotablayout

1.xml布局中与ViewPager联合使用

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/view_pager"
        android:layout_weight="10"
        android:layout_width="match_parent"
        android:layout_height="0dp"></androidx.viewpager.widget.ViewPager>
    <com.flyco.tablayout.CommonTabLayout
        app:tl_textSelectColor="#FFEB3B"
        app:tl_textUnselectColor="#000"
        android:id="@+id/common"
        android:layout_weight="1"
        android:layout_width="match_parent"
        android:layout_height="0dp"></com.flyco.tablayout.CommonTabLayout>
</LinearLayout>

在activity中代码

package com.example.day012;

import android.os.Bundle;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;

import com.example.day012.adapter.FgAdapter;
import com.example.day012.fragment.FourFragment;
import com.example.day012.fragment.OneFragment;
import com.example.day012.fragment.ThreeFragment;
import com.example.day012.fragment.TwoFragment;
import com.flyco.tablayout.CommonTabLayout;
import com.flyco.tablayout.listener.CustomTabEntity;
import com.flyco.tablayout.listener.OnTabSelectListener;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private ViewPager vp;
    private CommonTabLayout ctab;
    private ArrayList<CustomTabEntity> list=new ArrayList<>();
    private FgAdapter fgAdapter;
    private List<Fragment> list2=new ArrayList<>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        list.add(new MyTab("首页",R.drawable.a,R.drawable.b));
        list.add(new MyTab("消息",R.drawable.a,R.drawable.b));
        list.add(new MyTab("朋友",R.drawable.a,R.drawable.b));
        list.add(new MyTab("我的",R.drawable.a,R.drawable.b));
        ctab.setTabData(list);
        //显示未读消息
        ctab.showDot(3);//显示小圆点
        ctab.showMsg(2,888);
        ctab.setOnTabSelectListener(new OnTabSelectListener() {
            @Override
            public void onTabSelect(int position) {
                Toast.makeText(MainActivity.this, ""+position, Toast.LENGTH_SHORT).show();
                vp.setCurrentItem(position);
                ctab.hideMsg(position);
            }

            @Override
            public void onTabReselect(int position) {

            }
        });
        list2.add(new OneFragment());
        list2.add(new TwoFragment());
        list2.add(new ThreeFragment());
        list2.add(new FourFragment());
        fgAdapter=new FgAdapter(getSupportFragmentManager(),this,list2);
        vp.setAdapter(fgAdapter);
        vp.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

            }

            @Override
            public void onPageSelected(int position) {
                ctab.setCurrentTab(position);
            }

            @Override
            public void onPageScrollStateChanged(int state) {

            }
        });
    }

    private void initView() {
        vp = (ViewPager) findViewById(R.id.vp);
        ctab = (CommonTabLayout) findViewById(R.id.ctab);
    }
}

设置CustomTabEntity数组

package com.example.day012;

import com.flyco.tablayout.listener.CustomTabEntity;

public class MyTab implements CustomTabEntity {
    private String title;
    private int selectIcon;
    private int unselectIcon;

    public MyTab(String title, int selectIcon, int unselectIcon) {
        this.title = title;
        this.selectIcon = selectIcon;
        this.unselectIcon = unselectIcon;
    }

    @Override
    public String getTabTitle() {
        return title;
    }

    @Override
    public int getTabSelectedIcon() {
        return selectIcon;
    }

    @Override
    public int getTabUnselectedIcon() {
        return unselectIcon;
    }
}

标签:ctab,Fragment,int,点击,切换,new,import,com,public
来源: https://blog.csdn.net/Effects_/article/details/115285817

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