Getheight returns 0 when view is gone
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 …
Getheight returns 0 when view is gone
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WebgetWidth () 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. WebView's getWidth() and getHeight() returns 0 . View's getWidth() and getHeight() returns 0. 0 votes . 2 views. asked Jul 15, 2024 in Java by ... However, it returns 0. I did some …
WebAug 31, 2010 · 2 Answers Sorted by: 116 A ScrollView always has 1 child. All you need to do is get the height of the child to determine the total height: int totalHeight = scrollView.getChildAt (0).getHeight (); Share Follow answered Feb 14, 2011 at 7:53 satur9nine 13.7k 5 80 122 1 My child view returns 0 even though it scrolls. – Ragunath … WebJan 13, 2024 · 1 Answer Sorted by: 3 Wait until your view gets rendered on UI. There are a few ways to do that. One of them is to use post () of the view which you want to get the height. Like container.post (new Runnable () { @Override public void run () { imageView.getLayoutParams ().height = container.getWidth (); …
WebJan 3, 2024 · The difference between getHeight() and getMeasuredHeight() is that first method will return actual height of the View, the second one will return summary height of View's children. In ohter words, getHeight() returns view height, getMeasuredHeight() returns height which this view needs to show all it's elements WebFeb 13, 2014 · The problem is that either canvas.getWidth () or canvas.getHeight () , or both, return 0. That is not allowed. In turn, that is caused by the line you indicate in the comment, in which getWidth ()/getHeight () returns 0. I would add a log statements that prints these, so you can see if it only happens the first time, or always.
WebAvailable Methods. findViewById ( ) getId ( ) getLayoutParams ( ) getTag ( ) setTag ( ) VISIBLE
WebThis is called during layout when the size of this view has changed. You should use: image1.getLayoutParams().width; You are either accessing the ImageViews width and height before it has been measured, or after you set its visibility to GONE. image2.setVisibility(View.GONE); Then getWidth() or getHeight() will return 0., qst ingredients \u0026 packaging incWebJul 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. qst buildWebOct 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. qst ingredients \\u0026 packagingWebApr 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 ... qst nhs england loginWebFor 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. qst kanton solothurnWebJul 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 … qst tarif beWebJul 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. qst harmonization