android-constraintlayout

This is really simple. To make any view fill up the available space either horizontally or vertically, just set the layout_width/layout_height to 0dp according to your need.

Answering, in case anyone is looking out for answer in future. ConstraintLayout introduced Barrier in v1.1 to achieve one such functionality asked by the OP in the question The above mentioned functionality can be achieved using below xml: <?xml version=”1.0″ encoding=”utf-8″?> <android.support.constraint.ConstraintLayout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:app=”http://schemas.android.com/apk/res-auto” xmlns:tools=”http://schemas.android.com/tools” android:layout_marginLeft=”2dp” android:layout_marginRight=”2dp” android:layout_width=”match_parent” android:layout_height=”wrap_content”> <TextView android:id=”@+id/id1″ android:layout_width=”60dp” android:layout_height=”wrap_content” app:layout_constraintTop_toTopOf=”parent” app:layout_constraintLeft_toLeftOf=”parent” … Read more

For context — those are tools attributes — they are purely here to help the edition in studio. Those attributes actually are stripped out when you push an APK to your device. Now, the *_creator attributes in ConstraintLayout simply allow us to keep track if you created those constraints manually (0) or via the inference … Read more

yes you can by using match_constraint (0dp) which equal to match_parent for other layout, so by using match_constraint we set weight for first view which will occupies all available space also add app:layout_constraintWidth_default=”wrap” to apply default width behavior as wrap_content here is code with change <?xml version=”1.0″ encoding=”utf-8″?> <android.support.constraint.ConstraintLayout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:tools=”http://schemas.android.com/tools” android:layout_width=”match_parent” android:layout_height=”match_parent” xmlns:app=”http://schemas.android.com/apk/res-auto”> <TextView … Read more

Here is what I did (no need for ConstraintSet, we can work directly on the constraints themselves): ConstraintLayout.LayoutParams params = (ConstraintLayout.LayoutParams) myView.getLayoutParams(); params.horizontalBias = 0.2f; // here is one modification for example. modify anything else you want 🙂 myView.setLayoutParams(params); // request the view to use the new modified params it worked like a charm when … Read more

Finally with help of @Aksh I found my mistake and solve my problem. If someone find it useful, I will put my code bellow ConstraintLayout.LayoutParams newLayoutParams = (ConstraintLayout.LayoutParams) toolbar.getLayoutParams(); newLayoutParams.topMargin = 0; newLayoutParams.leftMargin = 0; newLayoutParams.rightMargin = 0; toolbar.setLayoutParams(newLayoutParams);

Is it advisable to use LinearLayout inside ConstraintLayout? No… usually. In general, the idea behind ConstraintLayout is that it allows you to position all of your children without having to nest any other ViewGroups inside the ConstraintLayout. As such, I would say that it is not advisable. However, there are some things that a LinearLayout … Read more