基本信息
源码名称:android ViewPager 左右双向滑动 实例源码
源码大小:2.45M
文件格式:.zip
开发语言:Java
更新时间:2014-08-08
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源码介绍
package com.wh.viewpagermove;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Parcelable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.ImageView;
public class MainActivity extends Activity
{
List<View> mlist = new ArrayList<View>();
AdvAdapter mAdapterPIC;
int count = 0;
ViewPager viewPager;
Timer timer;
Thread mThread;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
viewPager = (ViewPager) this.findViewById(R.id.mviewpager);
ImageView img1 = new ImageView(this);
ImageView img2 = new ImageView(this);
ImageView img3 = new ImageView(this);
ImageView img4 = new ImageView(this);
img1.setImageResource(R.drawable.logo_qq);
img2.setImageResource(R.drawable.logo_qzone);
img3.setImageResource(R.drawable.logo_shortmessage);
img4.setImageResource(R.drawable.logo_wechat);
mlist.add(img1);
mlist.add(img2);
mlist.add(img3);
mlist.add(img4);
mAdapterPIC = new AdvAdapter(mlist);
viewPager.setAdapter(mAdapterPIC);
// viewPager.setOnPageChangeListener(mOnPageChangeListener);
viewPager.setCurrentItem(5000);
// 增加手势
viewPager.setOnTouchListener(mOnTouchListener);
mThread = new Thread(runnable);
mThread.start();
}
OnTouchListener mOnTouchListener = new OnTouchListener()
{
@Override
public boolean onTouch(View v, MotionEvent event)
{
switch (event.getAction())
{
case MotionEvent.ACTION_UP:
Message message = new Message();
message.what = 3;
handler.sendMessage(message);
break;
case MotionEvent.ACTION_DOWN:
Log.i("hh", "DOWN");
Message message1 = new Message();
message1.what = 2;
handler.sendMessage(message1);
break;
default:
break;
}
return false;
}
};
Runnable runnable = new Runnable()
{
@Override
public void run()
{
Message message = new Message();
message.what = 1;
handler.sendMessage(message);
}
};
Handler handler = new Handler()
{
public void handleMessage(Message msg)
{
switch (msg.what)
{
case 1:
viewPager.setCurrentItem(viewPager.getCurrentItem() 1);
handler.removeCallbacks(runnable);
handler.postDelayed(runnable, 3000);
break;
case 2:
handler.removeCallbacks(runnable);
break;
case 3:
handler.removeCallbacks(runnable);
handler.postDelayed(runnable, 3000);
break;
}
super.handleMessage(msg);
}
};
// 向右边滑动无限循环
private final class AdvAdapter extends PagerAdapter
{
private List<View> views = null;
public AdvAdapter(List<View> views)
{
this.views = views;
count = views.size();
}
@Override
public void destroyItem(View arg0, int arg1, Object arg2)
{
((ViewPager) arg0).removeView(views.get(arg1 % views.size()));
}
@Override
public void finishUpdate(View arg0)
{
}
@Override
public int getCount()
{
return Integer.MAX_VALUE;
}
@Override
public Object instantiateItem(View arg0, int arg1)
{
try
{
((ViewPager) arg0).addView(views.get(arg1 % views.size()), 0);
} catch (Exception e)
{
}
return views.get(arg1 % views.size());
}
@Override
public boolean isViewFromObject(View arg0, Object arg1)
{
return arg0 == arg1;
}
@Override
public void restoreState(Parcelable arg0, ClassLoader arg1)
{
}
@Override
public Parcelable saveState()
{
return null;
}
@Override
public void startUpdate(View arg0)
{
}
}
}