Getheight returns 0 when view is gone

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August undefined, 2024

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. 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

android 吐司重复显示两次 _大数据知识库

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 … WebAug 16, 2013 · 11. 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); … long sequin jacket palm coast

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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. Webandroid.health.connect.datatypes.units. Overview; Classes 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 long sequin dresses cheap

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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. WebgetWidth 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 … long sequin black dress with slitWebGet 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 … long sequin evening dresses uk

"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。 " - Getheight returns 0 when view is gone

Getheight returns 0 when view is gone

Android: get height of a view before it´s drawn

Web你是否找到了使动画更流畅的方法？ 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 …

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WebAndroid 如何更改打开和关闭时的滑动抽屉按钮图像,android,slider,slidingdrawer,android-sliding,Android,Slider,Slidingdrawer,Android Sliding,我已经实现了滑动抽屉，工作正常。 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 (); …

http://duoduokou.com/android/50827084716327324581.html 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/40872376502939092161.html 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 ...

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 ...

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. hope in time of abandonmentWebOct 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. hope in times of grief bookWebFeb 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. hope into action black countryWeb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。 hope into action cambridgeWebgetWidth () 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. long series hss drill bits long sequin skirt and white topWebThis 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., hope into action ipswich