我正在使用 GridView。一切都很好。但是当滚动某些项目内的内容时，会转移到基线。但是当被触摸时，它又回到了顶部。这是一个疯狂的错误。
活动 Xml
enter code here
<merge xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
tools:context=".HomeActivity" >
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<include layout="@layout/color_bar" />
<RelativeLayout
style="@style/default_bg"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/rl_color_bar" >
<RelativeLayout
android:id="@+id/rl_top_icons"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true" >
<Button
android:id="@+id/btn_ctp_logo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:background="@drawable/btn_ctp_selector" />
<Button
android:id="@+id/btn_twitter"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_alignParentTop="true"
android:layout_toLeftOf="@+id/btn_facebook"
android:background="@drawable/btn_twitter_selector" />
<Button
android:id="@+id/btn_facebook"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_alignParentTop="true"
android:layout_toLeftOf="@+id/btn_youtube"
android:background="@drawable/btn_facebook_selector" />
<Button
android:id="@+id/btn_youtube"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_alignParentTop="true"
android:layout_toLeftOf="@+id/btn_linked_in"
android:background="@drawable/btn_youtube_selector" />
<Button
android:id="@+id/btn_linked_in"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:background="@drawable/btn_twitter_selector" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/rl_top_icons">
<GridView
android:id="@+id/grid_properties"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:numColumns="auto_fit"
android:verticalSpacing="6dp"
android:horizontalSpacing="6dp"
android:stretchMode="columnWidth"
android:gravity="center"
></GridView>
</RelativeLayout>
</RelativeLayout>
</RelativeLayout>
<include layout="@layout/progress_screen" />
</merge>
适配器类
public class PropertyListAdapter extends BaseAdapter {
private Context mContext;
private ArrayList<Property> data = null;
private int layoutID;
private LayoutInflater layout_inflater;
ImageManagerGallery imageManager;
DebugHelper debug = new DebugHelper(true);
public PropertyListAdapter(Context c, int layoutID, ArrayList<Property> list){
mContext = c;
data = list;
this.layoutID = layoutID;
imageManager = new ImageManagerGallery(c);
}
public void add(ArrayList<Property> list){
if(this.data != null){
this.data.clear();
this.data.addAll(list);
notifyDataSetChanged();
}
}
@Override
public int getCount() {
if(this.data != null){
return this.data.size();
}
return 0;
}
@Override
public Property getItem(int position) {
if(this.data != null){
return this.data.get(position);
}
return null;
}
@Override
public long getItemId(int position) {
if(this.data != null){
return Common.getStringAsInteger(this.data.get(position).getSiteid());
}
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
VHHomeProperty viewHolder;
Bitmap bitmap;
if(convertView == null){
this.layout_inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = this.layout_inflater.inflate(layoutID, null);
viewHolder = new VHHomeProperty();
viewHolder.iv_imageView = (ImageView)convertView.findViewById(R.id.iv_property_image);
viewHolder.tv_text = (TextView)convertView.findViewById(R.id.tv_home_property_text);
viewHolder.tv_title = (TextView)convertView.findViewById(R.id.tv_property_title);
viewHolder.progress = (ProgressBar)convertView.findViewById(R.id.idProgressBar);
convertView.setTag(viewHolder);
}else{
viewHolder = (VHHomeProperty) convertView.getTag();
}
if(this.data != null){
Property locProp = this.data.get(position);
viewHolder.tv_title.setText(locProp.getTitle());
debug.print(locProp.getHomePageText());
String htmlString = Html.fromHtml(Html.fromHtml(locProp.getHomePageText()).toString()).toString();
debug.print(htmlString);
viewHolder.tv_text.setText(htmlString);
try{
viewHolder.iv_imageView.setTag(locProp.getImagePath());
imageManager.displayImage(locProp.getImagePath(), viewHolder.iv_imageView, viewHolder.progress);
}catch(Exception e){
}
}
RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams)convertView.getLayoutParams();
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
return convertView;
}
}
grid_home_property.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/home_property_selector"
android:gravity="top"
android:padding="3dp" >
<RelativeLayout
android:id="@+id/relativeLayout1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<ImageView
android:id="@+id/iv_property_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:src="@drawable/sample_property_image" />
<ProgressBar
android:id="@+id/idProgressBar"
style="?android:attr/progressBarStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" />
</RelativeLayout>
<TextView
android:id="@+id/tv_home_property_text"
style="@style/homePropertyText"
android:layout_below="@+id/tv_property_title" />
<TextView
android:id="@+id/tv_property_title"
style="@style/homePropertyTitle"
android:layout_alignLeft="@+id/relativeLayout1"
android:layout_below="@+id/relativeLayout1"
android:layout_marginTop="14dp"
android:text="Huntingdon" />
</RelativeLayout>