Helping The others Realize The Advantages Of view

Helping The others Realize The Advantages Of view

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int: Optional. If not null, on return this can have the offset in neighborhood view coordinates of this view from prior to this operation to after it completes. View implementations may perhaps use this to regulate predicted input coordinate monitoring.

The scrollbar model to Exhibit the scrollbars at the sting of your view, without the need of increasing the padding. The scrollbars is going to be overlaid with translucency.

A components layer may be used to cache a fancy view tree right into a texture and decrease the complexity of drawing operations. As an example, when animating a posh view tree that has a translation, a components layer can be used to render the view tree only once.

Boolean that controls no matter whether a view should have audio effects enabled for activities including clicking and touching.  android:stateListAnimator

Very simple ViewAnimator that may animate between two or even more views that have been extra to it.  AppWidgetHostView

This class represents a view that holds opaque articles from A different application you could inline in the UI.  LinearLayout

Layout is a two go approach: a measure pass in addition to a format pass. The measuring go is executed in evaluate(int, int) and is also a leading-down traversal of the view tree. Each individual view pushes dimension requirements down the tree through the recursion. At the conclusion of the evaluate go, every view has stored its measurements. The next pass takes place in layout(int, int, int, int) and is usually top rated-down. In the course of this pass each guardian is liable for positioning all of its kids utilizing the sizes computed during the measure go. Each time a view's measure() strategy returns, its getMeasuredWidth() and getMeasuredHeight() values should be established, together with Those people for all of that view's descendants. A view's measured width and calculated height values ought to respect the constraints imposed with the view's mothers and fathers. This ensures that at the conclusion of the measure go, all mothers and fathers acknowledge all in their children's measurements. A guardian view might simply call measure() a lot more than at the time on its youngsters. By way of example, the parent could evaluate each youngster at the time with unspecified dimensions to Learn how major they wish to be, then get in touch with measure() on them yet again with actual website numbers In case the sum of all the youngsters's unconstrained sizes is too huge or far too compact. The measure pass uses two classes to communicate dimensions. The MeasureSpec class is utilized by views to inform their mom and dad how they want to be measured and positioned.

int: A source identifier of the model useful resource that materials default values with the view, made use of provided that defStyleAttr is 0 or cannot be located in the topic. May be 0 not to try to look for defaults.

ViewAnimator that switches among two views, and it has a manufacturing unit from which these views are created.  WebView

Defines the following view to present concentration to when the following focus is View.FOCUS_UP If your reference refers to some view that doesn't exist or is a component of a hierarchy that is definitely invisible, a RuntimeException will end result when the reference is accessed.

The vertical place of the view relative to its top placement. This position is submit-structure, As well as where ever the object's format positioned it.}