layout | 易学教程

Add custom button on add/edit product page

阅读更多关于 Add custom button on add/edit product page

问题 https://i.stack.imgur.com/uHZ33.png How to add a custom button, in add/edit product page (magento2). I need to open popup on clicking of the button. 回答1: The product form is generated via ui-components . The ui component name for product form is view/adminhtml/ui_component/product_form.xml . You need to create a file with the same name and path in your own module with the following content: <?xml version="1.0" encoding="UTF-8"?> <form xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi

Android: How can i add a border around TextView responsive with last item inside

阅读更多关于 Android: How can i add a border around TextView responsive with last item inside

问题 I want a layout exactly like this: enter image description here what i want to do is when i click at black arrow the items inside are hidden, like this: enter image description here when i set to hide the items my border layout is not reducing because the height is fixed, look: enter image description here what i want to do is when i click on the black arrow the items inside will be hidden and the border layout is reduce too, anyone can help me? i need a ConstraintLayout because de activity

Simulate multipage document in CSS3

阅读更多关于 Simulate multipage document in CSS3

问题 I would like very much to create a web page which would have the same appearence of, say, Microsoft Word or Acrobat Reader when the zoom level is small and it shows side-by-side pages with page borders. What I don't have idea what to do is to define a fixed size paperborder and throw the content inside it (which would be a variable number of html block elements), and make these elements "flow" from one page to the other, creating as much pages as needed with appropriate page breaks. This is

How to restore Collapsing Toolbar Layout State after screen orientation change

阅读更多关于 How to restore Collapsing Toolbar Layout State after screen orientation change

问题 I've been searching for the solution of my problem for some time and didn't find solution. I want to restore my fragment's layout after screen orientation change. I have Collapsing Toolbar Layout with banner image. After screen rotation my toolbar is always expanded, I want to restore it's behavior. How can I achieve this? 回答1: You should set ID to the CoordinatorLayout . It will automatically save its state. Believe me. See here. 回答2: Try using the following AppBarLayout method: public void

Windows Forms Side panel with Split Horizontal Panels Layout

阅读更多关于 Windows Forms Side panel with Split Horizontal Panels Layout

问题 So I have been trying to make this layout. So far I have been able to do the 1st panel using the DockStyle.Left . However when I try to add the 2nd it keeps overlapping the 1st one. Also what would be the best way to add/manage the panels so when I add the 3rd one both panels get half of the UI height. I'd like to avoid to use Drop and Drag tool. Code with my panels so far: Panel backPanel = new Panel(); backPanel.Dock = DockStyle.Fill; Panel panel1 = new Panel(); panel1.Dock = DockStyle.Left

Allign TextView with the progress of progressbar

阅读更多关于 Allign TextView with the progress of progressbar

问题 How can I allign a TextView with the progress of a horizontal ProgressBar . I want to put a TextView right above the progress position of the ProgressBar . The progress might be changed. Also, I want the TextView to be kept in one line, although the text length might be changed. 回答1: In the parent layout which contains your TextView and Progress bar set the gravity to center so that it will keep both of them center alligned. <LinearLayout android:layout_width="match_parent" android:layout

Set Toolbar layout direction to RTL, with `supportsRtl=“false”`

阅读更多关于 Set Toolbar layout direction to RTL, with `supportsRtl=“false”`

问题 I have a special situation that I am not able to find a solution for. I am trying to force a view to be laid-out in RTL, but one of the restrictions is that supportsRtl must be false in the manifest.  <application android:supportsRtl="false">  <android.support.v7.widget.Toolbar android:layoutDirection="rtl" android:layout_width="match_parent" android:layout_height="wrap_content"/> The problem I'm having is that android:layoutDirection

Set Toolbar layout direction to RTL, with `supportsRtl=“false”`

阅读更多关于 Set Toolbar layout direction to RTL, with `supportsRtl=“false”`

Android-分辨率以及dip(dp)、dpi、ppi、px、sp、pt说明

阅读更多关于 Android-分辨率以及dip(dp)、dpi、ppi、px、sp、pt说明

dip（dp）: device independent pixels(设备独立像素) dip，就是把屏幕的高分成480分，宽分成320分。比如你做一条160dip的横线，无论你在320还480的模拟器上，都是一半屏的长度。 dpi:dot per inch dpi＝（√（横向分辨率^2+纵向分辨率^2））/屏幕尺寸） ppi:pixels per inch(跟dpi一样）计算了一下小米手机屏幕的PPI，4.0英寸、分辨率854X480，PPI（DPI）　　=√(854^2+480^2)/4=244.912……≈245. px:pixel sp: scaled pixels(放大像素)，主要用于字体显示。 pt: point，是一个标准的长度单位， 1pt＝1/72英寸，用于印刷业。平常所说的hdpi等划分方法(按DPI来划分）：关于分辨率适配：一、细说 layout_weight 目前最为推荐的 Android 多屏幕自适应解决方案。该属性的作用是决定控件在其父布局中的显示权重，一般用于线性布局中。其值越小，则对应的layout_width或layout_height的优先级就越高，一般横向布局中，决定的是 layout_width 的优先级；纵向布局中，决定的是 layout_height 的优先级。传统的 layout_weight 使用方法是将当前控件的

How to use addView to add view to layout?

阅读更多关于 How to use addView to add view to layout?

问题 I have read probably all posts and documentation but I still can't solve this issue. I want to use addView() method to add view to the existing (running) layout but for some reason I cant. I know that this should be easy and basic but still I cant do it. So, please help me. Here is a code: LinearLayout layout = (LinearLayout)findViewById(R.id.mainLayout); TextView text = new TextView(this); text.setText("test"); layout.addView(text); That's a code, and the result is that I have displayed only