http://androiddada.iteye.com/blog/1316926
先上个效果图~
http://androiddada.iteye.com/
思路是这样的，功能方面：
首先这个是个左右循环的gallery（其实是integer.max_value
= 2147483647 这么多的个啦，接近无限了）。
这个网上有很多，不再赘述。代码里面也有，可以直接下载~
然后就是gallery的样式，我这里 设置成无阴影的，间距 android:spacing="0dip"。
最后就是下面的指示条了，我使用framelayout布局，里面的指示点 radiobuttion.(因为只要一个是点亮的，用于指示当前位置，所以在一个group中)
下面是重要代码：
布局：
xml代码
<span style="font-size: small;"><?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" >
<framelayout
android:layout_width="fill_parent"
android:layout_height="150dip" >
<com.test.advgallery
android:fadingedge="none"
android:id="@+id/home_advs_gallery"
android:spacing="0dip"
android:layout_width="fill_parent"
android:layout_height="150dip" />
<linearlayout
android:layout_height="20dip"
android:layout_gravity="bottom"
android:background="#55999999"
android:gravity="center"
android:orientation="horizontal" >
<radiogroup
android:gravity="center"
android:id="@+id/home_advs_gallery_mark"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
</radiogroup>
</linearlayout>
</framelayout>
</linearlayout></span>
自定义gallery，为了解决gallery拖拽滑动过快：
java代码
<span style="font-size: small;">public class advgallery extends gallery {
public advgallery(context context) {
super(context);
// todo auto-generated constructor stub
}
public advgallery(context context, attributeset attrs) {
super(context, attrs);
@override
public boolean onfling(motionevent e1, motionevent e2, float velocityx,
float velocityy) {
//返回false 解决gallery拖拽滑动过快
return false;
public void setunselectedalpha(float unselectedalpha) {
// todo auto-generated method stub
unselectedalpha = 1.0f;
super.setunselectedalpha(unselectedalpha);
</span>
adapter中的 getview方法：
<span style="font-size: small;">@override
public view getview(int position, view convertview, viewgroup parent) {
imageview imageview = new imageview(context);
string curr_url = imgurl.get(position%imgurl.size());
imageview.settag(curr_url);
drawable cachedimage = asyncimageloader.loaddrawable(context,curr_url,new imagecallback1() {
@override
public void imageloaded(drawable imagedrawable, string imageurl) {
imageview imageviewbytag = (imageview) gallery.findviewwithtag(imageurl);
if (imageviewbytag != null && imagedrawable != null ) {
imageviewbytag.setimagedrawable(imagedrawable);
notifydatasetchanged();
}
}
});
if (cachedimage != null) {
imageview.setimagedrawable(cachedimage);
}else{
imageview.setimageresource(r.drawable.ic_launcher);
}
// 设置边界对齐
imageview.setadjustviewbounds(true);
imageview.setlayoutparams(new gallery.layoutparams(
layoutparams.fill_parent, layoutparams.fill_parent));
//设置比例类型
// imageview.setscaletype(imageview.scaletype.fit_xy);
return imageview;
}</span>
main中的oncreate：
<span style="font-size: small;"> @override
public void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.main);
_radiogroup = (radiogroup) findviewbyid(r.id.home_advs_gallery_mark);
_adv_gallery = (gallery) findviewbyid(r.id.home_advs_gallery);
_advgalleryadapter = new advgalleryadapter(adv_galleryactivity.this,_adv_imgurl,_adv_gallery);
_adv_gallery.setadapter(_advgalleryadapter);
_adv_gallery.setselection(integer.max_value >> 1);
_adv_gallery.setonitemselectedlistener(new adapterview.onitemselectedlistener() {
@override
public void onitemselected(adapterview<?> arg0, view arg1,
int arg2, long arg3) {
// todo auto-generated method stub
_radiogroup.check(arg2%_adv_imgurl.size()); //gallery焦点图片改变时 更改radiogroup
public void onnothingselected(adapterview<?> arg0) {
});
//图片地址
_adv_imgurl.add("http://www.baidu.com/img/baidu_sylogo1.gif");
_adv_imgurl.add("http://www.iteye.com/images/logo.gif?1308833136");
_adv_imgurl.add("http://csdnimg.cn/www/images/csdnindex_logo.gif");
for(int i=0;i<_adv_imgurl.size();i++){
radiobutton rb = new radiobutton(adv_galleryactivity.this);
rb.setid(i);
rb.setbuttondrawable(r.drawable.adv_gallery_mark_selector);
rb.setclickable(false);
_radiogroup.addview(rb);
}
由于代码比较多，放上源码，希望大家能用到~！
adv_gallery.rar (73.7 kb)
下载次数: 221