All Questions
14
questions
0
votes
1
answer
240
views
'void android.widget.LinearLayout.setVisibility(int)' on a null object reference when i want to display a LinearLayout
I have a problem with a button that modifies the visibility of a LinearLayout
I always get the error
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.LinearLayout....
0
votes
2
answers
491
views
How to set visibility GONE of a Linear Layout which is inside a scroll view and contains two TextViews inside?
The main layout is a Linear layout inside that a scroll view is there which contain sublayouts. Here is my layout [omitted everything except the specific layout (marked with red) as it will be very ...
- 13
1
vote
1
answer
40
views
does weight re-calculate when one of the children view changes its visibility to gone in run time code?
I have a linear layout with two linear layout as children.
they have weights. sometimes that lower linera layout child is with visibility gone but then i would expect the upper child to be ...
- 36.2k
2
votes
2
answers
3k
views
Visibility of Gone takes still space of particular control in android?
I am using the LinearLayout and inside there's button I am making visibilty gone based on supported states. SupportedStatuses are true then making Button as Visible but SupprtedStatuse are false then ...
- 887
2
votes
0
answers
334
views
Setting the visibility for a linear layout(view group)
When I set setVisibility(View.GONE) or setVisibility(View.VISIBLE) for a linear layout it seems that it does not changes the visibility of the view(saying view group would be more accurate). At ...
- 3,858
1
vote
1
answer
760
views
When I Change visibility of a linear layout and add to list all past items visibility will be changed
i have an android program that simulate chat. for it i use a list and items of list are in a XML file named activity_chat_conversation in this layout i have to linear layout that in each of them i ...
- 57
6
votes
5
answers
30k
views
Hide and show layout based on conditions in Android
I am new to Android. I want to hide and show Linearlayout based on if else conditions. In my application I have taken 1 spinner. Based on selected spinner values I want my next layout hide or visible, ...
- 143
2
votes
1
answer
3k
views
LinearLayout and Visibility GONE issue
Alright, so I'm running into a rather odd problem. I think I'm doing this right, but something weird happens when I try to set the visibility to GONE on any of my linear layouts.
Basically, what I'm ...
- 23
1
vote
2
answers
310
views
NPE when setting the visibility of a nested LinearLayout in a custom AlertDialog?
I'm trying to show a custom AlertDialog. I have a LinearLayout within the main LinearLayout that contains a few buttons. The buttons are only supposed to show at certain times, so I'm trying to set ...
- 1,741
5
votes
1
answer
4k
views
Does LinearLayout with visibility GONE consume zero resources?
I was thinking about how to implement an ImageView that shows an image and while I'm refreshing its content with a new image it shows a "Loading..." text with a circular ProgressBar on the right, so I'...
- 6,094
0
votes
1
answer
3k
views
Android - Collapsible LinearLayout with multiple items
I'm trying to make a list of LinearLayout become VISIBLE at a click on a "header" LinearLayout.
<LinearLayout android:id="@+id/sample_title" ...>
<TextView ... />
</LinearLayout>...
- 18.2k
1
vote
2
answers
999
views
options menu does not come up after back button press android
I have an android application where I want to display a LinearLayout when user clicks on options button(I am setting the linear layout's visibility to visible in onCreateOptionsMenu) and make it ...
- 16.7k
2
votes
1
answer
2k
views
One videoview blocked by another videoview
My activity layout is shown below. Basically I have a listview menu on the left and two videoviews that I switch between depending on which menu item the user clicks.
<?xml version="1.0" encoding="...
- 2,871
2
votes
1
answer
4k
views
Android LinearLayout Visibility issues with Animation
I am trying to swap two LinearLayouts by setting their visibility properties to "VISIBLE" and "GONE" respectively. I am also using an animation while the layouts are being swapped. The animation ...
- 483