Considerations To Know About view

Considerations To Know About view

Blog Article

The scale in pixels of the vertical pale edge or 0 if vertical pale edges are not enabled for this view.

Override this Should your view is thought to always be drawn in addition to a strong shade track record, and wishes to attract fading edges. Returning a non-zero color allows the view method to enhance the drawing of the fading edges. If you need to do return a non-zero shade, the alpha should be established to 0xFF.

Sets the width of vertical scrollbars and top of horizontal scrollbars. May be a dimension price, which happens to be a floating place number appended using a unit such as "fourteen.

Dispatch onStartTemporaryDetach() to this View and its immediate kids if this can be a container View. In the event you override this process it's essential to origin from which the y-coordinate is calculated. In various-display scenarios, the coordinate House can span screens.

The scrollbar design to Screen the scrollbars at the edge in the view, devoid of raising the padding. The scrollbars will probably be overlaid with translucency.

legitimate if at the very least A part of the view is visible throughout the root view; false If your view is totally clipped or translated out with the seen location of the root view.

Complete inflation from XML and utilize a category-distinct base style from the concept attribute. This constructor of View permits subclasses to utilize their own personal base style when they're inflating. For instance, a Button course's constructor would simply call this Edition on the super course constructor and supply R.

Most of the views inside a window are arranged in only one tree. You'll be able to insert views either from more info code or by specifying a tree of views in a number of XML structure data files. There are various specialised subclasses of views that act as controls or are able to exhibiting textual content, photos, or other material.

Point: If the strategy returns legitimate, has the offset in the x and y coordinates of this view within the best remaining corner of your view's root view. If the method returns Fake, the contents of globalOffset are undefined. The argument is often null (see getGlobalVisibleRect(Rect).

Lets the framework choose what excellent level needs to be employed for the drawing cache. Deprecated: The view drawing cache was largely created out of date While using the introduction of hardware-accelerated rendering in API 11.

Returns the bitmap through which this view drawing is cached. The returned bitmap is null when caching is disabled. If caching is enabled plus the cache is not ready, this technique will build it.

Textual content direction is using "initial powerful algorithm". The very first robust directional character determines the paragraph path. If there is not any strong directional character, the paragraph way is definitely the view's fixed structure course.

The view drawing cache was mainly produced out of date While using the introduction of components-accelerated rendering in API 11. With components-acceleration, intermediate cache levels are mainly avoidable and can certainly cause a Internet reduction in functionality as a result of the price of generating and updating the layer. Inside the rare circumstances the place caching levels are helpful, for example for alpha animations, setLayerType(int, android.graphics.Paint) handles this with components rendering.

Signifies to accessibility solutions whether or not the person really should be notified when this view alterations.  android:accessibilityPaneTitle}