Getheight returns 0 when view is gone
WebFor an animation I need to know the height from a View. The Problem is, that the getHeight () method allways return 0 unless the View is drawn. So is there any way to get height without drawing it? In this case the View is a LinearLayout. WebJul 20, 2024 · A view with visiiblity set to gone is still a child of the parent layout. – user. Jul 8, 2013 at 12:20 ... Say if 9 items on RecyclerView are visible. Call getChildCount(). It should return 9, maybe 1 or 2 less/more depending on partially visible items at the top and bottom. ... View's getWidth() and getHeight() returns 0. 119. Animate ...
Getheight returns 0 when view is gone
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WebJan 13, 2011 · This doesn't directly answer the question, but if you're wondering why getHeight ()/getWidth () are returning 0, they will always return 0 if you call those methods before the view has been "drawn" i.e if you were to call these methods in onCreate () it would return 0 – audiojared Jun 7, 2024 at 0:08 Show 1 more comment 10 Answers … WebAug 28, 2010 · View's getWidth () and getHeight () returns 0. I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with …
WebOct 6, 2014 · 1 Answer Sorted by: 2 You have to wait for the layout to be drawn before getting the width. When drawn it's measured and the width is saved so you can call getWidth. You can add a layout listener to wait for the view to be drawn: WebOct 9, 2013 · Basically, the solution is to wait for the ImageView (or any other View, really) to be measured and "drawn". You can achieve that with implementing some late lifecycle callback (e.g. onGlobalLayout ), but I found a simpler solution that works well for me: just wait for the attributes to become non-zero.
WebJul 22, 2024 · However, the view is still not drawn for the mEditSetContainer when the view for the mBottomNavigationView is. It is to note that the mEditSetContainer has its height defined by wrap-content and that it is a container for a nested fragment. WebJul 20, 2015 · 0. OnGlobalLayoutListener is work on ViewTreeObserver, and its method onGlobalLayout does not called immediately. This Listener only works on some event occurred in current layout (when some changes is shown to the listener). so, you get 0 height when you load your layout. if you want to access this value outside …
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Web你是否找到了使动画更流畅的方法？ fvcc register for classesWebApr 12, 2024 · 这里就比较好理解了，首选是最上面的一个搜索框，我们监听里面的内容，有内容的haunted我就显示清除按钮，下面是一个FrameLayout，他包裹着一个ListView显示联系人，一个TextView是作为字母提示的，最右边就是我们的自定义字母导航栏LettersView了，同样的，因为 ... fvc.co.thWebgetWidth and getHeight are returning a zero The width and height are not defined until the view is actually rendered to the screen. Use protected abstract void onLayout (boolean … gladiator bootWebJul 30, 2016 · getHeight returns 0 inside onPreDrawListenter Ask Question Asked 6 years, 7 months ago Modified 6 years, 7 months ago Viewed 152 times 0 I have a layout that has several cardView, that have recyclerViews in them in the beginning the first recyclerview is empty, so the card doesn't show. fvcc service learningWebgetWidth () returns 0 if set by android:layout_width="match_parent" Ask Question Asked 10 years, 2 months ago Modified 3 years, 7 months ago Viewed 25k times 16 I have a class called FractalView that extends ImageView. My goal is to draw a fractal with this class that has the size of the whole screen. gladiator brown leather sandalsWebGet the TextViews Paint with TextView.getPaint (), and then calculate the width and height from. Rect bounds; paint.getTextBounds (text, 0, text.length (), bounds); You'll now have the dimensions in bounds. You can now work with paint.breakText to see … gladiator brown suede caged sandalsfvcc rn program