Android ViewPager Fragment 简单应用

Android ViewPager Fragment 简单应用

废话不多说，直接看代码。

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent">


    <LinearLayout
        android:background="@mipmap/main_bottom"
        android:id="@+id/main_bottom"
        android:gravity="center"
        android:layout_alignParentBottom="true"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <ImageView
            android:id="@+id/main_bottom1"
            android:background="@mipmap/home1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <TextView
            android:text="            "
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <ImageView
            android:background="@mipmap/setting1"
            android:id="@+id/main_bottom2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <TextView
            android:text="            "
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <ImageView
            android:background="@mipmap/graph"
            android:id="@+id/main_bottom3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <TextView
            android:text="            "
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <ImageView
            android:background="@mipmap/network1"
            android:id="@+id/main_bottom4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </LinearLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_above="@id/main_bottom">
    </android.support.v4.view.ViewPager>

</RelativeLayout>

MainActivity

import android.content.Intent;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    ImageView view1,view2,view3,view4;
    private ViewPager viewPager;
    private ArrayList<Fragment> fragmentList; 

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        InitImageButton();
        InitViewPager(); 
    }

    private void InitViewPager() {
        viewPager=(ViewPager) findViewById(R.id.viewpager);
        fragmentList = new ArrayList<Fragment>();
        Fragment fragment1= new MainFragment();

        Fragment fragment2 = new SettingFragment();
        Fragment fragment3 = new FolderFragment();
        Fragment fragment4 = new NetworkFragment();
        fragmentList.add(fragment1);
        fragmentList.add(fragment2);
        fragmentList.add(fragment3);
        fragmentList.add(fragment4);

        //给ViewPager设置适配器
        viewPager.setAdapter(new MyFragmentPagerAdapter(getSupportFragmentManager(), fragmentList));
        viewPager.setCurrentItem(0);//设置当前显示标签页为第一页
        viewPager.setOnPageChangeListener(new MyOnPageChangeListener());//页面变化时的监听器
        viewPager.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View view, MotionEvent e) {
                return false;
            }
        });
    }

    public void InitImageButton(){
        view1 = (ImageView)findViewById(R.id.main_bottom1);
        view2 = (ImageView)findViewById(R.id.main_bottom2);
        view3 = (ImageView)findViewById(R.id.main_bottom3);
        view4 = (ImageView)findViewById(R.id.main_bottom4);

        view1.setOnClickListener(new Listener(0));
        view2.setOnClickListener(new Listener(1));
        view3.setOnClickListener(new Listener(2));
        view4.setOnClickListener(new Listener(3));
    }

    public class Listener implements View.OnClickListener{
        private int index=0;

        public Listener(int i) {
            index =i;
        }
        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            viewPager.setCurrentItem(index);
        }
    }

    public class MyOnPageChangeListener implements ViewPager.OnPageChangeListener {
        public void onPageScrollStateChanged(int arg0) {      }

        public void onPageScrolled(int arg0, float arg1, int arg2) {      }

        public void onPageSelected(int arg0) {        }
    } 
}

MainFragment

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;


public class MainFragment extends Fragment implements View.OnClickListener{

    public MainFragment() {

    }

    public static MainFragment newInstance(String param1, String param2) {
        MainFragment fragment = new MainFragment();
        return fragment;
    }

    Button StartButton , StopButton;
    MainActivity mainActivity ;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        mainActivity = (MainActivity)getActivity();
        View view = inflater.inflate(R.layout.fragment_main, container, false);
        StartButton = (Button)view.findViewById(R.id.main_start);
        StopButton = (Button)view.findViewById(R.id.main_stop);
        StartButton.setOnClickListener(this);;
        StopButton.setOnClickListener(this);
        return view;
    }

    @Override
    public void onClick(View v) { 
        switch (v.getId()){
            case R.id.main_start: 
                break;
        }
    }
}

其他三个Fragment就不贴了，依葫芦画瓢。