android-layoutparams – Tarik Billa

Removing/Adding constraint programmatically in ConstraintLayout

February 21, 2023 by Tarik

I have not worked through your code, but the following illustrates how to break and make the constraint using ConstraintSet. ConstraintSet set = new ConstraintSet(); ConstraintLayout layout; layout = (ConstraintLayout) findViewById(R.id.layout); set.clone(layout); // The following breaks the connection. set.clear(R.id.bottomText, ConstraintSet.TOP); // Comment out line above and uncomment line below to make the connection. // set.connect(R.id.bottomText, … Read more

Unknown attribute android:layout_width, layout_height, id, gravity, layout_gravity, padding

January 25, 2023 by Tarik

Just go to Tools->Android->Sync Project with Gradle Files

How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?

September 30, 2022 by Tarik

You can access any LayoutParams from code using View.getLayoutParams. You just have to be very aware of what LayoutParams your accessing. This is normally achieved by checking the containing ViewGroup if it has a LayoutParams inner child then that’s the one you should use. In your case it’s RelativeLayout.LayoutParams. You’ll be using RelativeLayout.LayoutParams#addRule(int verb) and … Read more