All Questions
101
questions
0
votes
1
answer
238
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
59
views
How to change location of Textview
I have a Linear Layout inside of Constraint Layout. The cardview visibility changes depending on the data. How to align start textview1 and textview2 if cardview visibility is invisible ?
- 45
1
vote
1
answer
169
views
Android: Changing Views visibility on Activity start | Hide Notification panel on Notification Button click
My app has a Notification that holds a Button.
When the user clicks the Button, the app should open (if it was closed) and show a custom dialog, which I've created by a bunch of views.
Showing the ...
- 306
-1
votes
1
answer
33
views
How to invisible a Linier layout from other activity without using Intent?
I have given here details about my project and I want that when I will click on the Button it will go to the second activity and also it disappears from the second activity layout.
Button btnClick;
@...
1
vote
0
answers
59
views
Android: "Can't resolve method 'setVisibility' in group"
This piece of code fails to compile because the method setVisibility() cannot be resolved.
public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
super.onViewCreated(view, ...
0
votes
2
answers
106
views
How can i eliminate Empty spaces in recyclerView when trying to hide cards with null properties?
Empty spaces in recyclerView when trying to hide cards with null properties
Hi, i'm new here. So this is my first question. I am trying to use the google Books API for a task and when I implement ...
0
votes
2
answers
919
views
How to change visibility of textview on button click without providing ID to them?
In this I need to know that how do I access a view without providing the Id to them in this there will be no id provided in any of the file. Without the use of external libraries like viewbinding, ...
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
0
votes
1
answer
53
views
Make display data textviews invisible until a city is searched
I set my textviews on my weather app to display the data for cities when searched on my search panel (i.e temp_out.setText(response.body().getMain().getTemp() + " ℃"););. It works quite fine ...
- 299
0
votes
2
answers
101
views
Creating subText with visible/invisible method across TextViews
I have created two textViews that the first one is the main title and the second one is the subtext of the title. So I want to make the subtexts visibility to depend on clicking the main title.
It ...
- 59
0
votes
1
answer
127
views
Unable to change visibility based on sharedpreference inside recyclerAdapter (Viewpager2)
I got a Viewpager2 adapter , with 2 EditText and 2 TextView in it.
At the beginning, the EditTexts are visible, and the Textviews are gone. If I click on a button, if what is written inside 1 (or both)...
- 43
-1
votes
1
answer
645
views
how to change visibility a view in a fragment from the activity
As stated in the title how can change visibility a view in a fragment from the activity?
My code has a launch activity and a fragment. I want to change the visibility of a view inside fragment from ...
- 11
2
votes
1
answer
1k
views
Java Android Badge Drawable not working properly after configuration change
I have a Bottom Navigation view with a badge drawable that shows new chats.
This badges are updated upon a listener to Firebase database, where I store the notification counter. When this value ...
- 59
1
vote
1
answer
132
views
How to handle ConstraintLayout horizontal & vertical with view.GONE
already use vertical and horizontal chain in constraint for handle visibility gone. But they are not enought for the thing i want to do.
I need to set a view like this example:
1 2
3 4
5 6
And, for ...
- 11
0
votes
1
answer
806
views
Show/Hide BottomNavigationView for specific fragment
In my android application, I want the bottom menu bar to disappear when the user focuses the SearchView (this also pops the soft keyboard up). When the SearchView loses focus, I want to show the ...
- 409