Getheight returns 0 when view is gone

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August undefined, 2024

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 WebJul 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.

如何在Android中使用Camera2 API编程拍摄视频

WebJan 17, 2012 · 3. The getWidth and getHeight methods will return 0 if the view has not yet been inflated. For example, if you are trying to access it in the onCreate of the Activity, you'll get zero. – Arnab Chakraborty. Jan 17, 2012 at 5:16. WebApr 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 ... setbackcontent

How to get the width and height of an android.widget.ImageView?

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 (); … 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 … WebGet 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 … setback crossword

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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 … Web当我按下刷新按钮时，吐司反复出现两次。我只实现了一次吐司。有什么和适配器有关吗？密码是-public class EarthquakeActivity ... the thermal club real estate for saleWebAug 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 … setback dictionary

"WebApr 26, 2024 · 21 If you hadn't used ViewTreeObserver, than mainLayout.getRootView ().getHeight () would simply return 0px, because it hasn't been laid out yet (see getWidth () and getHeight () of View returns 0 ). Thus, you are waiting until view is measured, laid out, and then you are fetching width/height values from it. " - Getheight returns 0 when view is gone

Getheight returns 0 when view is gone

WebparentNode.applyCss (); parentNode.layout (); As a more complete example, the following code uses applyCss () and layout () to find the width and height of the Button before the Stage has been shown. If either the call to applyCss () or the call to layout () is commented out, the calls to getWidth () and getHeight () will return zero (until ... http://duoduokou.com/android/50827084716327324581.html

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Web如何在Android中使用Camera2 API编程拍摄视频,android,image,video,android-camera2,Android,Image,Video,Android Camera2,我想在使用camera2 API录制视频时捕获图像有两个单独的演示可用。 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.

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 … WebOct 28, 2013 · At the point where I set the height the views and layouts havent been created which means that the getHeight() and getWidth() are returning 0. I have looked at other threads on StackOverflow but none seem specific enough to my problem. ... View's getWidth() and getHeight() returns 0. 8. measure() doesnt work properly with dynamic …

WebAndroid之自定义View学习（二）_view(lin2)_IT 涓涓清泉的博客-程序员秘密技术标签： java android android studio Android Studio Android学习系列 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 ...

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 …

WebApr 9, 2024 · View的绘制流程概述. TraversalRunnable的run方法调用doTraversal方法开启View的绘制流程. doTraversal方法中首先会根据mTraversalScheduled的标记判断是否需要执行绘制，接着移除同步屏障，调用performTraversals开始绘制。. performTraversals中会根据Window的LayoutParams计算DecorView的 ... the thermal baths bathWeb我有此代碼，它繪制了當前正在我的android應用中播放的藝術家的圓形圖像。 adsbygoogle window.adsbygoogle .push 和我的xml查看代碼：它工作正常，但是我的問題是我不知道如何在圓形視圖中添加白色邊框。 set backend serviceWebFeb 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. the thermal conductivity of a material in cgsWebandroid.health.connect.datatypes.units. Overview; Classes setback distance for residential buildingWebAvailable Methods. findViewById ( ) getId ( ) getLayoutParams ( ) getTag ( ) setTag ( ) VISIBLE the thermal club palm springsWebgetWidth 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 … setbackedWebOct 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. setback crossword clue