Android ViewPager Fragment 简单应用

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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。

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