android - How to preven the gridview scroll by default once dataset changed -

i have activity contains scrollview, , have gridview inside scrollview, layout:

<scrollview xmlns:android="http://schemas.android.com/apk/res/android"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:id="@+id/root">      <relativelayout             android:padding="10dp"             android:layout_width="match_parent"             android:layout_height="match_parent">         .........         <com.test.android.view.scrollablegridview                 android:layout_width="match_parent"                 android:layout_height="wrap_content"                 android:numcolumns="auto_fit"                 android:columnwidth="100dp"                 android:verticalspacing="2dp"                 android:focusable="false"                 android:clickable="false">         </com.test.android.view.scrollablegridview>     </relativelayout> </scrollview>  public class scrollablegridview extends gridview {     @override     public void onmeasure(int widthmeasurespec, int heightmeasurespec) {         int expandspec = measurespec.makemeasurespec(integer.max_value >> 2, measurespec.at_most);         super.onmeasure(widthmeasurespec, expandspec);         viewgroup.layoutparams params = getlayoutparams();         params.height = getmeasuredheight();     } } 

why use custome gridview make sure gridview can expand max height(check this).

now once activity loaded, load data server, call the:

gridadapter.notifydatasetchanged(); 

then activity scroll grid view means user can not see content above gridview.

i have tried that:

mscrollview.scrollto(0,mscrollview.getbottom()); 

but not work.

any idea fix it?

issue:

gridview being scrolled automatically.

reason:

when screen loaded, finds the first focusable view viewhierarchy , sets focus view.

solution:

you can set focus other view android not focus gridview @ first,so won't scroll automatically.

example:

<scrollview xmlns:android="http://schemas.android.com/apk/res/android"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:id="@+id/root">  <relativelayout         android:padding="10dp"         android:id="@+id/rlcontainer"           //you may set id , requestfocus java code         android:focusable="true"                //add          android:focusableintouchmode="true"     //add         android:layout_width="match_parent"         android:layout_height="match_parent">     .........                                     //you can add focusable,focusableintouchmode other view before gridview     <com.test.android.view.scrollablegridview             android:layout_width="match_parent"             android:layout_height="wrap_content"             android:numcolumns="auto_fit"             android:columnwidth="100dp"             android:verticalspacing="2dp"             android:focusable="false"             android:clickable="false">     </com.test.android.view.scrollablegridview> </relativelayout> 

from java code,

inside oncreate() method of activity

relativelayout rlcontainer = (relativelayout) findviewbyid(r.id.rlcontainer); rlcontainer.requestfocus();