Android GridView中的RelativeLayout
我对以下XML代码有问题: 当我向下滚动时,看不到它们的项目将被删除。当我试图向上滚动时,我再也够不到他们了。 但是,当我移除id=rl按钮的RelativeLayout时,一切都很好Android GridView中的RelativeLayout,android,android-layout,gridview,adapter,Android,Android Layout,Gridview,Adapter,我对以下XML代码有问题: 当我向下滚动时,看不到它们的项目将被删除。当我试图向上滚动时,我再也够不到他们了。 但是,当我移除id=rl按钮的RelativeLayout时,一切都很好 <RelativeLayout android:layout_width="match_parent" android:layout_height="fill_parent" > <GridView android:id="@+id/gridview"
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="fill_parent" >
<GridView
android:id="@+id/gridview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center"
android:horizontalSpacing="4dip"
android:numColumns="4"
android:padding="4dip"
android:stretchMode="columnWidth"
android:verticalSpacing="4dip" />
<RelativeLayout
android:id="@+id/rlButtons"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:background="@color/transparent"
android:visibility="gone"
android:layout_alignParentBottom="true" >
<Button
android:id="@+id/favourite_button"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:background="@android:color/transparent"
android:gravity="bottom"
android:text="Button2" />
<Button
android:id="@+id/favourite_button1"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
android:background="@android:color/transparent"
android:gravity="bottom"
android:text="Button1" />
</RelativeLayout>
</RelativeLayout>
有什么问题吗?试试这个方法,希望这能帮助你解决问题
public class PictureGridViewAdapter extends BaseAdapter {
ICurrentAppData currentAppData = CurrentAppData.getInstance();
private Activity activity;
public PictureGridViewAdapter(Activity activity, ImageLoader imageLoader) {
this.activity = activity;
}
@Override
public int getCount() {
return currentAppData.getCount();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final GridviewHodler holder;
if (convertView == null) {
LayoutInflater vi = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = vi.inflate(R.layout.item_grid_image, null);
holder = new GridviewHodler();
holder.imageView = (ImageView) convertView.findViewById(R.id.image);
holder.progressBar = (ProgressBar) convertView
.findViewById(R.id.progress);
convertView.setTag(holder);
} else
holder = (GridviewHodler) convertView.getTag();
return convertView;
}
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<GridView
android:id="@+id/gridview"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:horizontalSpacing="4dp"
android:numColumns="4"
android:padding="4dp"
android:stretchMode="columnWidth"
android:verticalSpacing="4dp" />
<LinearLayout
android:id="@+id/rlButtons"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:background="@color/transparent"
android:visibility="gone">
<Button
android:id="@+id/favourite_button1"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:background="@android:color/transparent"
android:gravity="bottom"
android:text="Button1" />
<Button
android:id="@+id/favourite_button"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:background="@android:color/transparent"
android:gravity="bottom"
android:text="Button2" />
</LinearLayout>
</LinearLayout>