google Things To Know Before You Buy

google Things To Know Before You Buy

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View.OnTouchListener Interface definition for the callback to get invoked each time a touch event is dispatched to this view.  interface

The view drawing cache was mainly produced out of date With all the introduction of components-accelerated rendering in API 11. With components-acceleration, intermediate cache layers are mostly pointless and can certainly result in a Internet reduction in overall performance as a consequence of the cost of developing and updating the layer. Inside the scarce instances wherever caching levels are practical, for instance for alpha animations, setLayerType(int, android.graphics.Paint) handles this with hardware rendering.

This technique was deprecated in API level 28. The view drawing cache was mostly designed obsolete Together with the introduction of components-accelerated rendering in API 11. With hardware-acceleration, intermediate cache levels are mainly pointless and can easily end in a Web loss in effectiveness as a result of the expense of making and updating the layer. From the uncommon scenarios exactly where caching levels are useful, including for alpha animations, setLayerType(int, android.graphics.

Returns the callback set by setHandwritingDelegatorCallback(Runnable) which needs to be referred to as when a stylus MotionEvent happens inside of this view's bounds. The callback need to only be identified as within the UI thread.

This course was deprecated in API amount 29. This functionality and UI is healthier handled with custom made views and layouts rather then a dedicated zoom-Command widget

Controls whether or not the view's window need to preserve the display screen on even though noticeable.  android:keyboardNavigationCluster

Make it possible for a consumer to about-scroll this view only if website the information is substantial ample to meaningfully scroll, supplied It's a view which will scroll.

Regardless of whether this View must use a default emphasis spotlight when it gets concentrated but doesn't have R.attr.state_focused outlined in its qualifications. Could be a boolean benefit, which include "true" or "Wrong".

The view drawing cache was mainly made obsolete With all the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily cause a net decline in functionality resulting from the expense of making and updating the layer. From the uncommon situations exactly where caching levels are helpful, such as for alpha animations, setLayerType(int, android.graphics.Paint) handles this with components rendering.

To allow touch filtering, simply call setFilterTouchesWhenObscured(boolean) or established the android:filterTouchesWhenObscured structure attribute to correct. When enabled, the framework will discard touches that happen to be acquired Any time the view's window is obscured by A further visible window on the touched place.

Default for the root view. The 1st powerful directional character establishes the paragraph course. If there isn't any sturdy directional character, the paragraph direction may be the viewu2019s fixed layout route.}