//Main
package com.example.viewpagerw;
import java.util.ArrayList;
import com.lidroid.xutils.view.annotation.event.OnTouch;
import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
public class MainActivity extends Activity {
private ViewPager vp;
private int[] strimage = new int[] { R.drawable.icon1, R.drawable.icon2,
R.drawable.icon3, R.drawable.icon4, R.drawable.icon5 };
private LinearLayout ll;
private ArrayList<ImageView> listImage;
private Handler handler = new Handler() {
public void handleMessage(android.os.Message msg) {
switch (msg.what) {
case 0:
int currentItem = vp.getCurrentItem();
currentItem++;
vp.setCurrentItem(currentItem);
handler.sendEmptyMessageDelayed(0, 1000);
break;
default:
break;
}
};
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
vp = (ViewPager) findViewById(R.id.vp);
ll = (LinearLayout) findViewById(R.id.ll);
info();
vp.setAdapter(new PagerAdapter() {
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public int getCount() {
return Integer.MAX_VALUE;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
ImageView iv = new ImageView(MainActivity.this);
iv.setImageResource(strimage[position % strimage.length]);
container.addView(iv);
return iv;
}
@Override
public void destroyItem(ViewGroup container, int position,
Object object) {
container.removeView((View) object);
}
});
vp.setCurrentItem(strimage.length * 5000);
vp.setOnPageChangeListener(new OnPageChangeListener() {
@Override
public void onPageSelected(int arg0) {
// TODO Auto-generated method stub
for (int i = 0; i < listImage.size(); i++) {
if (i == arg0 % strimage.length) {
listImage.get(i).setImageResource(R.drawable.noml);
} else {
listImage.get(i).setImageResource(R.drawable.fnoml);
}
}
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
// TODO Auto-generated method stub
}
@Override
public void onPageScrollStateChanged(int arg0) {
// TODO Auto-generated method stub
}
});
handler.sendEmptyMessageDelayed(0, 1000);
}
private void info() {
listImage = new ArrayList<ImageView>();
listImage.clear();
for (int i = 0; i < strimage.length; i++) {
ImageView iv = new ImageView(MainActivity.this);
if (i == 0) {
iv.setImageResource(R.drawable.noml);
} else {
iv.setImageResource(R.drawable.fnoml);
}
LayoutParams param = new LayoutParams(10, 10);
param.setMargins(5, 0, 5, 5);
listImage.add(iv);
ll.addView(iv, param);
}
}
}
//Layout
<RelativeLayout 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.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="200dp"
android:id="@+id/vp"/>
<LinearLayout
android:layout_alignBottom="@+id/vp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="20dp"
android:layout_alignParentRight="true"
android:gravity="center_horizontal"
android:id="@+id/ll"></LinearLayout>
</RelativeLayout>
//drawable 一个亮的圆 和一个不亮的圆
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<corners android:radius="9dp"/>
<solid android:color="#88000000"/>
</shape>
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<corners android:radius="9dp"/>
<solid android:color="#FFF"/>
</shape>
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