Gallery控件中的这个android:unselectedAlpha属性,是说当图片未处于中间位置时的清晰度,处于中间的那副图片永远都是清晰度为1的,我现在遇到的问题是第一次进入到应用,gallery中中间那幅图是为1,但是当我将其移出中间位置,他就变为android:unselectedAlpha属性中设的值,这些都是正常现象,问题是 之后所有的图片都是android:unselectedAlpha中的值,再也不会出现清晰度为1的图片,求教~
调试欢乐多
.inflate(R.layout.activity_home_gallery, null);
gallery.setAdapter(new GalleryImageAdapter(getApplicationContext(),
resIds));
// 去掉阴影
gallery.setFadingEdgeLength(0);
// 当前显示第1000张图片
gallery.setSelection(1000);
list = (ListView) this.findViewById(android.R.id.list);
// 设置headerView没有list的Item点击事件
list.addHeaderView(gallery, null, false);
下面是XMl:
<?xml version="1.0" encoding="utf-8"?>
<Gallery xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/gallery"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingTop="5dp"
android:paddingBottom="5dp"
android:spacing="2.7dp"
android:unselectedAlpha="0.6"
android:focusable="true"
android:background="@drawable/list_item_bg_selector"
/>
.inflate(R.layout.activity_home_gallery, null);
gallery.setAdapter(new GalleryImageAdapter(getApplicationContext(),
resIds));
// 去掉阴影
gallery.setFadingEdgeLength(0);
// 当前显示第1000张图片
gallery.setSelection(1000);
list = (ListView) this.findViewById(android.R.id.list);
// 设置headerView没有list的Item点击事件
list.addHeaderView(gallery, null, false);这段代码你是在哪里调的?
create?
还是什么函数
好像是update Gallery的逻辑有误你试试看在移动的时候用log看一下select的item是哪一个
布局
<Gallery android:id="@+id/gallery_ad" android:layout_width="fill_parent"
android:layout_height="85dip" android:spacing="5dip"
android:fadingEdge="none" android:keepScreenOn="true"
android:unselectedAlpha="0.5" android:paddingTop="5dip" />代码
ArrayList<Integer> listImage = new ArrayList<Integer>();
listImage.add(R.drawable.ad);
listImage.add(R.drawable.ad2);
listImage.add(R.drawable.ad3);
listImage.add(R.drawable.ad);
listImage.add(R.drawable.ad2);
// ArrayList<Integer> listmodle =
// msg.getData().getIntegerArrayList("data");
//Gallery适配器
AdGalleryAdapter imageAdapter =
new AdGalleryAdapter(WeiBaActivity.this, listImage);
adGallery.setAdapter(imageAdapter);适配器
public class AdGalleryAdapter extends BaseAdapter
{
Context context;
List<Integer> list;
public AdGalleryAdapter(Context context, List<Integer> list)
{
this.context = context;
this.list = list;
}
public Object getItem(int position)
{
return position;
}
public int getCount()
{
return list.size();
}
public long getItemId(int position)
{
return position;
}
public View getView(int position, View convertView, ViewGroup parent)
{
ImageView image = new ImageView(context);
image.setScaleType(ScaleType.FIT_XY);
image.setLayoutParams(new Gallery.LayoutParams(200,
android.widget.Gallery.LayoutParams.FILL_PARENT));
image.setImageResource(list.get(position));
return image;
}
}帮忙看看,谢谢