Table of Contents
Which of the following is a ViewGroup?
Android contains the following commonly used ViewGroup subclasses: LinearLayout. RelativeLayout. ListView.
What is child view in android?
In android (and most other technologies), views can have subviews, aka “children”. Most views can have children and can be a child of a parent view. It’s kind of like a “tree”. The most obvious feature of being a child of some other view is that the child moves with the parent view.
What is view and ViewGroup in android?
View is the base class for widgets, which are used to create interactive UI components like buttons, text fields, etc. The ViewGroup is a subclass of View and provides invisible container that hold other Views or other ViewGroups and define their layout properties.
What is ViewGroup How are they different from views?
Android ViewGroup The ViewGroup will provide an invisible containers to hold other Views or ViewGroups and to define the layout properties. For example, Linear Layout is the ViewGroup that contains a UI controls like button, textview, etc. and other layouts also.
What is requestDisallowInterceptTouchEvent?
According to android docs you can get your parent ViewGroup and call requestDisallowInterceptTouchEvent(true) on it to stop other things from interfering. This causes not only the immediate parent but any other parent objects that might intercept the touch to ignore it for the duration of the particular event…
Is RecyclerView a ViewGroup?
RecyclerView is the ViewGroup that contains the views corresponding to your data. It’s a view itself, so you add RecyclerView into your layout the way you would add any other UI element.
What is ViewGroup Android?
A ViewGroup is a container to hold views. All the android activities, fragment layouts, etc. are ViewGroups. The ViewGroup classes are extended from Views. They are used as containers on the android app screen.
What is onTouchEvent?
onTouchEvent is a method implemented by the View, Activity and other base classes like LinearLayout, etc.. public boolean onTouchEvent(MotionEvent event) { throw new RuntimeException(“Stub!” ); } you can override this method by any derived classes.
What is parent Android studio?
Parent attribute means that your current themes extends this Parent theme. It has all its attributes that you can override in your current style. It is a kind of inheritance for styles. You can also check here: http://developer.android.com/guide/topics/ui/themes.html#Inheritance.
Is RecyclerView deprecated?
Today, suddenly Recyclerview. Viewholder became deprecated. Other, android project is no deprecated.
Is layout a ViewGroup?
No, Layouts are not same as ViewGroups.