Android实现Tab切换界面功能详解

一、实验目的

1. 掌握各种高级UI控件的基本使用;

2. 能够实现Tab切换效果。

二、实验任务

1. 根据原型图设计界面;

2. 实现Tab切换;

三、实验内容与要求

3.1 界面设计:

(1)使用线性布局实现界面的基本布局;

(2)使用不同的Tab实现方式实现tab的布局。

3.2 Tab切换

(1)监听Tab变化事件;

(2)切换对应的页面内容;

四、实现效果

显示界面

Android实现Tab切换界面功能详解_第1张图片

隐藏界面

Android实现Tab切换界面功能详解_第2张图片

移除界面

Android实现Tab切换界面功能详解_第3张图片

五、代码实现 

Fragment

package com.example.shiyan3.fragment;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.example.shiyan3.R;
 
public class FirstFG extends Fragment {
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";
 
    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;
    public FirstFG() {
        // Required empty public constructor
    }
 
 
    // TODO: Rename and change types and number of parameters
    public static FirstFG newInstance(String param1, String param2) {
        FirstFG fragment = new FirstFG();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }
 
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_firstfg, container, false);
    }
}

主界面

package com.example.shiyan3;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import com.example.shiyan3.fragment.FirstFG;
 
public class  MainActivity extends AppCompatActivity {
    FragmentManager fragmentManager;
    FragmentTransaction fragmentTransaction;
    FirstFG fragment;
    Button badd,bremove,bshow,bhide;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        badd = this.findViewById(R.id.addFragment);
        bremove =this.findViewById(R.id.removeFragment);
        bshow = this.findViewById(R.id.showFragment);
        bhide = this.findViewById(R.id.hideFragment);
        fragment = new FirstFG();
        Bundle bundle = new Bundle();
        bundle.putString("key","this is String Value");
        fragment.setArguments(bundle);
 
        fragmentManager = this.getSupportFragmentManager();
 
        fragmentTransaction = fragmentManager.beginTransaction();
        fragmentTransaction.add(R.id.fgcontainer,fragment,"FirstFragment");
        fragmentTransaction.commit();
 
        badd.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                fragmentTransaction = fragmentManager.beginTransaction();
                fragmentTransaction.add(R.id.fgcontainer,fragment,"FirstFragment");
                fragmentTransaction.commit();
            }
        });
 
        bremove.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                fragmentTransaction = fragmentManager.beginTransaction();
                fragmentTransaction.remove(fragment);
                fragmentTransaction.commit();
            }
        });
 
        bshow.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                fragmentTransaction = fragmentManager.beginTransaction();
                fragmentTransaction.show(fragment);
                fragmentTransaction.commit();
            }
        });
        bhide.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                fragmentTransaction = fragmentManager.beginTransaction();
                fragmentTransaction.hide(fragment);
                fragmentTransaction.commit();
            }
        });
    }
}

六、实验总结

通过这次实验,我学习了tab切换界面的增删改查的操作,这些技能的熟练能够为我的进一步学习打下了基础。其次我了解到除了fragment,还有view、fragment+view等方法设计tab切换,它们各有特色,一者是点击切换,一者是滑动切换,组合后是一种复合功能。在此次学习中,仍有部分内容需要加强。

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