Getting Unknown attribute error on all android tag. In layout XML, Auto suggestion is not showing all attributes (like layout_width, layout_height, orientation, orientation & all others andro...

I have a relative layout which I am creating programmatically: RelativeLayout layout = new RelativeLayout( this ); RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(LayoutPara...

I have a CardView in my XML layout and I need to set margins to it programmatically (This is because I don't need margin at all times. Based on few conditions, I either set or remove the margin). H...

I want to remove and add constraint programmatically based on some condition. Here are the screenshots: and I want to remove it like this but in code: so the same effect in want to achieve pr...

According to the documentation: The index of the horizontal keyline specified to the parent CoordinatorLayout that this child should align relative to. Can anyone explain how the 'keyline' wor...

I trying to create a view that is above other applications: WindowManager.LayoutParams paramsDirectorView = new WindowManager.LayoutParams( WindowManager.LayoutParams.WRAP_CONTENT, WindowManager...

I am attempting to add a view I am generating via a service. The code I am using is based on Facebook Chatheads which are always visible, regardless of the apps state. They are also displayed above...

I can programmatically modify constraints of a view in a ConstraintLayout using ConstraintSet but before applying modifications, I want to test that it hasn't been done already. To do this I need t...

Is it possible to specify the z-order of each window ? in the image below each editText are in their own window added via WindowManager. as you can see i have a z-order problem like you see on ...

Full code here Video of correct behavior in java and incorrect in react native here I have modified a linear layout to respond to touch by resizing the left child while the right child takes up t...

You can add the app:layout_behavior="@string/appbar_scrolling_view_behavior" behavior to a LinearLayout in the XML declaration but I haven't found a way to do the same in code. With a CoordinatorLa...

I'm following nice repo which shows how to make custom behavior of collapsing toolbar WhatsApp-ProfileCollapsingToolbar. What I don't like is when picture below toolbar (toolbar's font is white) i...

I have read the standard Windows-related documentation and pawed through a bunch of the source code in an attempt to understand how and when Android Windows are created. I believe I have my arms ar...

How to set android:layout_alignParentRight="false" programmatically? I can set it to true by this code but I want to set it to false programmatically: RelativeLayout.Layoutparams params = (R...