android-view Archives

How to get hosting Activity from a view?

I have an Activity with 3 EditTexts and a custom view which acts a specialised keyboard to add information into the EditTexts. Currently … Read more

How can I assign an ID to a view programmatically?

by IT Nursery

In an XML file, we can assign an ID to a view like android:id=”@+id/something” and then call findViewById(), but when creating a view … Read more

Same-named attributes in attrs.xml for custom view

by IT Nursery

I’m writing a few custom views which share some same-named attributes. In their respective <declare-styleable> section in attrs.xml I’d like to use the … Read more

Usage of forceLayout(), requestLayout() and invalidate()

by IT Nursery

I’m a bit confused about the roles of forceLayout(), requestLayout() and invalidate() methods of the View class. When shall they be called? 6 … Read more

How to lay out Views in RelativeLayout programmatically?

by IT Nursery

I’m trying to achieve the following programmatically (rather than declaratively via XML): <RelativeLayout…> <TextView … android:id=”@+id/label1″ /> <TextView … android:id=”@+id/label2″ android:layout_below: “@id/label1” /> … Read more

What does the LayoutInflater attachToRoot parameter mean?

by IT Nursery

The LayoutInflater.inflate documentation isn’t exactly clear to me about the purpose of the attachToRoot parameter. attachToRoot: whether the inflated hierarchy should be attached … Read more