Hi, You have to use the LayoutParams that correspond the your Button's parent. In this case, you need to use LinearLayout.LayoutParams.
On Sun, Jan 18, 2009 at 7:00 AM, A R <[email protected]> wrote: > > What exception are you getting? Are you running this code withing a > handler thread? > > On Jan 17, 10:12 pm, Mark Nuetzmann <[email protected]> wrote: >> ok, this should be super simple but it is proving difficult. >> >> In my original layout xml I have 2 buttons that I want to take up >> equal space in a LinearLayout >> >> <LinearLayout >> android:orientation="horizontal" >> android:layout_width="fill_parent" >> android:layout_height="wrap_content" >> android:paddingLeft="10px" >> android:paddingRight="10px" > >> >> <LinearLayout >> android:id="@+id/story_video_layout" >> android:orientation="horizontal" >> android:layout_width="fill_parent" >> android:layout_height="wrap_content" >> android:layout_weight="1"> >> >> <Button >> android:id="@+id/story_video" >> android:layout_width="fill_parent" >> android:layout_height="wrap_content" >> android:text="Play Video" >> /> >> </LinearLayout> >> >> <LinearLayout >> android:orientation="horizontal" >> android:layout_width="fill_parent" >> android:layout_height="wrap_content" >> android:layout_weight="1"> >> >> <Button >> android:id="@+id/story_share" >> android:layout_width="fill_parent" >> android:layout_height="wrap_content" >> android:text="Share This Story"/> >> </LinearLayout> >> </LinearLayout> >> >> This works fine... >> >> Now at runtime in the activity there are cases where I want to hide >> the first button (share_video) and have the other button centered and >> its width set to wrap_content. >> >> I can hide the first button just fine by using the following code, >> >> View videoLayout = findViewById(R.id.story_video_layout); >> videoLayout.setVisibility(View.GONE); >> >> cool... >> >> But no matter what I do, I cannot get the second button to center. >> When I make the following call just to change the layout of the button >> to wrap content I get exceptions being thrown and it crashes. >> >> View storyBtn = findViewById(R.id.story_share); >> LayoutParams params = new LayoutParams >> (LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); >> storyBtn.setLayoutParams(params); >> >> 1. why is it crashing? >> 2. what is the correct way to get the button to center in the layout >> correctly? >> >> Thank you so much for your help... > > > -- Romain Guy Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
