Fragment+ViewPager的简单使用 Android

<span style="font-size:14px;">MainActivity:
package demo.lxiangjian.com.myfragment;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {

//声明控件
private ViewPager viewPager;
private FragmentAdapter adapter;
private List<Fragment> list;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
//获取数据源
iniData();
adapter = new FragmentAdapter(getSupportFragmentManager(), list);
viewPager.setAdapter(adapter);

}
private void initView() {
viewPager = (ViewPager) findViewById(R.id.viewPager);
}

private void iniData() {
list = new ArrayList<>();
MyFragment myFragment = new MyFragment();
MyFragment2 myFragment2 = new MyFragment2();
MyFragment3 myFragment3 = new MyFragment3();
MyFragment4 myFragment4 = new MyFragment4();

list.add(myFragment);
list.add(myFragment2);
list.add(myFragment3);
list.add(myFragment4);
}
}

MyFragment:
</span><pre name="code" class="java"><span style="font-size:14px;">package demo.lxiangjian.com.myfragment;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/**
* A simple {@link Fragment} subclass.
*/
public class MyFragment extends Fragment {

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_my, container, false);

return view;

}
}
</span>

<pre name="code" class="java"><span style="font-size:14px;">MyFragment2 :</span>

<span style="font-size:14px;">package demo.lxiangjian.com.myfragment;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/**
* A simple {@link Fragment} subclass.
*/
public class MyFragment2 extends Fragment {

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_my_fragment2, container, false);
return view;
}

}

</span><pre name="code" class="java"><pre name="code" class="cpp"><span style="font-size:14px;">MyFragment3 :</span>

<span style="font-size:14px;">package demo.lxiangjian.com.myfragment;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/**
* A simple {@link Fragment} subclass.
*/
public class MyFragment3 extends Fragment {

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_my_fragment3, container, false);
return view;
}

}

 </span><pre name="code" class="java"><pre name="code" class="java"><span style="font-size:14px;">MyFragment4 :

</span>

<span style="font-size:14px;">package demo.lxiangjian.com.myfragment;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/**
* A simple {@link Fragment} subclass.
*
*/
public class MyFragment4 extends Fragment {

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_my_fragment4, container, false);
return view;
}

}

<pre name="code" class="java">
<pre name="code" class="java">

<pre name="code" class="java">

FragmentPagerAdapter适配器：

package demo.lxiangjian.com.myfragment;import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import java.util.List;
public class FragmentAdapter extends FragmentPagerAdapter {
 private List<Fragment> list;
public FragmentAdapter(FragmentManager fm,List<Fragment> list) {
 super(fm); this.list = list; } @Override public Fragment getItem(int position) {
return list.get(position);
} @Override public int getCount() {
return list.size();
 }
}

 ---------------------------------------------------------XML------------------------------------------------------------activity_main: </span>

<span style="font-size:14px;"><?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</RelativeLayout>
</span>

<span style="font-size:14px;"><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="demo.lxiangjian.com.myfragment.MyFragment">

<!-- TODO: Update blank fragment layout -->
<TextView
android:id="@+id/text1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/red"/>

</FrameLayout>
</span>

<span style="font-size:14px;"><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="demo.lxiangjian.com.myfragment.MyFragment2">

<!-- TODO: Update blank fragment layout -->
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/blue" />

</FrameLayout>
</span>

<span style="font-size:14px;"><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="demo.lxiangjian.com.myfragment.MyFragment3">

<!-- TODO: Update blank fragment layout -->
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/yellow" />

</FrameLayout>
</span>

<span style="font-size:14px;"><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="demo.lxiangjian.com.myfragment.MyFragment4">

<!-- TODO: Update blank fragment layout -->
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/green" />

</FrameLayout>
</span>

<img src="http://img.blog.csdn.net/20160528161642275?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" height="442" width="249" alt="" /><img src="http://img.blog.csdn.net/20160528161724129?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" height="441" width="275" alt="" /><img src="http://img.blog.csdn.net/20160528161829957?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" height="441" width="248" alt="" /><img src="http://img.blog.csdn.net/20160528161542316?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" height="441" width="248" alt="" />