listview,fragment结合起来
这是csdn上的以个demo，很适合初学者。来源：http://download.csdn.net/detail/endlife99/7274419，侵删。
MainActiviy:
package com.example.viewpagerdemo; import java.util.ArrayList; import android.content.res.Resources;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.TextView; public class MainActivity extends FragmentActivity {
private ArrayList<Fragment> list = null;
private ViewPager mViewPager;
private ImageView iv_bottom_line;
private Resources resources;
private TextView zh;
private TextView xw;
private TextView yl;
private TextView ty;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initWidth();
initViewPager();
}
private void initViewPager() {
Fragment zh = MyFragment.newInstance(Contents.ZH);
Fragment xw = MyFragment.newInstance(Contents.XW);
Fragment yl = MyFragment.newInstance(Contents.YL);
Fragment ty = MyFragment.newInstance(Contents.TY);
list = new ArrayList<Fragment>();
list.add(zh);
list.add(xw);
list.add(yl);
list.add(ty);
mViewPager.setAdapter(new FragmentAdapter(getSupportFragmentManager(),
list));
mViewPager.setCurrentItem(0);
mViewPager.setOnPageChangeListener(new MyViewPagerChangedListener());
}
private void initView() {
mViewPager = (ViewPager) findViewById(R.id.myviewpager);
iv_bottom_line = (ImageView) findViewById(R.id.iv_bottom_line);
zh = (TextView) findViewById(R.id.zh);
xw = (TextView) findViewById(R.id.xw);
yl = (TextView) findViewById(R.id.yl);
ty = (TextView) findViewById(R.id.ty);
zh.setOnClickListener(new MyClickListener(0));
xw.setOnClickListener(new MyClickListener(1));
yl.setOnClickListener(new MyClickListener(2));
ty.setOnClickListener(new MyClickListener(3));
}
private int first = 0;
private int second = 0;
private int third = 0;
private void initWidth() {
int lineWidth = iv_bottom_line.getLayoutParams().width;
Log.d("lineWidth ", lineWidth + "");
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
int width = dm.widthPixels;
resources = getResources();
first = width / 4;
second = first * 2;
third = first * 3;
}
private int currPosition = 0;
class MyViewPagerChangedListener implements OnPageChangeListener {
@Override
public void onPageScrollStateChanged(int arg0) {
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageSelected(int arg0) {
Log.d("onchanged", "onchanged " + arg0);
TranslateAnimation ta = null;
switch (arg0) {
case 0:
if (currPosition == 1) {
ta = new TranslateAnimation(first, 0, 0, 0);
}
if (currPosition == 2) {
ta = new TranslateAnimation(second, 0, 0, 0);
}
if (currPosition == 3) {
ta = new TranslateAnimation(third, 0, 0, 0);
}
break;
case 1:
if (currPosition == 0) {
ta = new TranslateAnimation(0, first, 0, 0);
}
if (currPosition == 2) {
ta = new TranslateAnimation(second, first, 0, 0);
}
if (currPosition == 3) {
ta = new TranslateAnimation(third, first, 0, 0);
}
break;
case 2:
if (currPosition == 0) {
ta = new TranslateAnimation(0, second, 0, 0);
}
if (currPosition == 1) {
ta = new TranslateAnimation(first, second, 0, 0);
}
if (currPosition == 3) {
ta = new TranslateAnimation(third, second, 0, 0);
}
break;
case 3:
if (currPosition == 0) {
ta = new TranslateAnimation(0, third, 0, 0);
}
if (currPosition == 1) {
ta = new TranslateAnimation(first, third, 0, 0);
}
if (currPosition == 2) {
ta = new TranslateAnimation(second, third, 0, 0);
}
break;
}
currPosition = arg0;
ta.setDuration(300);
ta.setFillAfter(true);
iv_bottom_line.startAnimation(ta);
}
}
class MyClickListener implements OnClickListener {
private int index = 0;
public MyClickListener(int i) {
index = i;
}
@Override
public void onClick(View v) {
mViewPager.setCurrentItem(index);
}
}
}
MyFragment:
package com.example.viewpagerdemo; import java.util.ArrayList;
import java.util.List; import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.Button;
import android.widget.ListView; public class MyFragment extends Fragment{ private String key = null; static MyFragment newInstance(String s){
MyFragment myFragment = new MyFragment();
Bundle bundle = new Bundle();
bundle.putString("key", s);
myFragment.setArguments(bundle);
return myFragment; } @Override
public void onCreate(Bundle savedInstanceState) { Bundle bundle = getArguments();
key = bundle != null? bundle.getString("key") : null;
super.onCreate(savedInstanceState);
} private ListView listView; private MyListViewAdapter adapter; private List<String> list ; @Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = null;
Button button = null;
if (key == null || key.equals(Contents.ZH)) {
view = inflater.inflate(R.layout.lay1, container, false);
button = (Button) view.findViewById(R.id.confirm);
button.setOnClickListener(new MyClickListener(1));
} if (key != null && key.equals(Contents.XW)) {
view = inflater.inflate(R.layout.lay2,container,false);
button = (Button) view.findViewById(R.id.confirm02);
button.setOnClickListener(new MyClickListener(2));
} if (key != null && key.equals(Contents.YL)) {
view = inflater.inflate(R.layout.lay3,container,false);
} if (key != null && key.equals(Contents.TY)) {
view = inflater.inflate(R.layout.lay4,container,false);
listView = (ListView) view.findViewById(R.id.mylistview);
list = getdata();
adapter = new MyListViewAdapter(getActivity(),list);
listView.setAdapter(adapter); //listView滑动状态判断
listView.setOnScrollListener(new OnScrollListener() { @Override
public void onScrollStateChanged(AbsListView arg0, int arg1) {
// TODO Auto-generated method stub } @Override
public void onScroll(AbsListView arg0, int firstItem, int visibleItemCount, int totalItemCount) {
// TODO Auto-generated method stub //到达底部
if (firstItem + visibleItemCount == totalItemCount) {
list = getdata();
adapter.notifyDataSetChanged();
}
}
}); } return view;
} private List<String> getdata(){
int size = 0;
if (list != null) {
size = list.size(); }
if (list == null) {
list = new ArrayList<String>();
} for (int i = 0; i < 20; i++) {
list.add("item" + i + size);
}
return list;
} class MyClickListener implements OnClickListener{ int index; public MyClickListener(int i) {
index = i;
} @Override
public void onClick(View v) {
Log.d("onclick", "onclick " + index);
} } }
MyListViewAdapter:
package com.example.viewpagerdemo; import java.util.List; import android.content.Context;
import android.support.v4.app.FragmentActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView; public class MyListViewAdapter extends BaseAdapter { List<String>list; LayoutInflater inflater; FragmentActivity activity; public MyListViewAdapter(FragmentActivity fragmentActivity, List<String> list) {
// TODO Auto-generated constructor stub
this.list = list;
this.activity = fragmentActivity;
inflater = (LayoutInflater) fragmentActivity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
} @Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
} @Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return list.get(arg0);
} @Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
} @Override
public View getView(int arg0, View view, ViewGroup arg2) {
// TODO Auto-generated method stub
if (view == null) {
view = inflater.inflate(R.layout.item, null);
} return view;
} class ViewHolder {
TextView tv;
ImageView im;
} }
FragmentAdapter:
package com.example.viewpagerdemo; import java.util.ArrayList; import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter; public class FragmentAdapter extends FragmentPagerAdapter{ private ArrayList<Fragment> list; public FragmentAdapter(FragmentManager fm) {
super(fm);
} public FragmentAdapter(FragmentManager fm,
ArrayList<Fragment> list) {
super(fm);
this.list = list;
} @Override
public Fragment getItem(int arg0) {
// TODO Auto-generated method stub
return list.get(arg0);
} @Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
} }
Contents:
package com.example.viewpagerdemo;
public class Contents {
public static final String ZH = "zonghe";
public static final String XW = "xinwen";
public static final String YL = "yule";
public static final String TY = "tiyu";
}
layout文件夹：
<LinearLayout 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"
android:orientation="vertical"
tools:context=".MainActivity" > <LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#20d5f0"
android:paddingBottom="2dp"
android:paddingTop="2dp" > <TextView android:id="@+id/zh"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="综合"
android:textColor="#fff"
android:textSize="16sp" /> <TextView
android:id="@+id/xw"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="新闻"
android:textColor="#fff"
android:textSize="16sp" /> <TextView
android:id="@+id/yl"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="娱乐"
android:textColor="#fff"
android:textSize="16sp" /> <TextView
android:id="@+id/ty"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="体育"
android:textColor="#fff"
android:textSize="16sp" />
</LinearLayout> <LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:orientation="vertical"
android:paddingBottom="3dip"
android:background="#20d5f0"
> <ImageView
android:id="@+id/iv_bottom_line"
android:layout_width="40dip"
android:layout_height="2dip"
android:layout_marginLeft="20dip"
android:scaleType="matrix"
android:src="#fff" />
</LinearLayout> <android.support.v4.view.ViewPager
android:id="@+id/myviewpager"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ffffff" /> </LinearLayout>
效果图如下：
item.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:android="http://schemas.android.com/apk/res/android">
<ImageView
android:id="@+id/itemImage"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:src="@drawable/ic_launcher"
android:layout_alignParentLeft="true" />
<TextView
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="前段时间做了一个与LBS有关的项目"
android:layout_toRightOf="@+id/itemImage"
android:layout_centerVertical="true"
/> </RelativeLayout>
lay1.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="第一页"
android:gravity="center"
/>
<Button
android:id="@+id/confirm"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:layout_marginRight="2dp"
android:text="确定"
/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:layout_marginRight="2dp"
android:text="分享"
/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:layout_marginRight="2dp"
android:text="浏览"
/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:layout_marginRight="2dp"
android:text="取消"
/> </LinearLayout>
lay02.xml，lay03.xml除了最顶端设置的页码不一样，其他都一直，所以之类就不放上其对应的xml了。
lay04:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
>
<ListView
android:id="@+id/mylistview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/> </LinearLayout>
最终做
出来的效果图：
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