5 Simple Statements About view Explained

5 Simple Statements About view Explained

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int: Optional. If not null, on return this can comprise the offset in local view coordinates of this view from in advance of this operation to soon after it completes. View implementations may perhaps use this to regulate envisioned enter coordinate monitoring.

ordered list of resource ID which are considered when resolving attribute values for this View. This value can't be null.

genuine if no less than Section of the view is noticeable within the root view; Phony If your view is completely clipped or translated out from the obvious place of the basis view.

x location on the pivot point all around which the view will rotate and scale.  android:transformPivotY

This class was deprecated in API degree 29. This performance and UI is better taken care of with tailor made views and layouts in lieu of a committed zoom-Management widget

This process must be termed by onMeasure(int, int) to keep the measured width and calculated height. boolean verifyDrawable(Drawable who) If your view subclass is exhibiting its personal Drawable objects, it should really override this operate and return true for almost any Drawable it really is exhibiting.

View.OnCapturedPointerListener Interface definition for any callback to get invoked any time a captured pointer event is getting dispatched this view.  interface

The view drawing cache was mostly built obsolete Together with the introduction of components-accelerated rendering in API 11. With hardware-acceleration, intermediate cache levels are mainly unnecessary and can easily cause a Web reduction in functionality because of the cost of generating and updating the layer. From the scarce scenarios wherever caching layers are helpful, for instance for alpha animations, setLayerType(int, android.graphics.Paint) handles this with components rendering.

This technique was deprecated in API stage 28. The view drawing cache was mainly designed out of date with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can certainly result in a Web decline in general performance due to the expense of building and updating the layer. During the scarce scenarios wherever website caching levels are beneficial, including for alpha animations, setLayerType(int, android.graphics.

Defines the drawable to draw in excess of the content. This can be applied as an overlay. The foreground drawable participates while in the padding of the material Should the gravity is set to fill.

Rect: the obvious region of the ViewGroup in nearby coordinates, in accordance with the father or mother This price cannot be null.}