Popup 1. Description Popup is the basic type of popup interface control. It can be used with Window or ApplicationWindow. import QtQuick.Window import QtQuick. Controls ApplicationWindow { id: window width: 400 height: 400 visible: true Button { text: “Open” onClicked: popup. open() } Popup { id: popup x: 100 y: 100 width: 200 height: 300 […]
Tag: overlay
In Flutter, use Overlay to pass in the context prompt: Null check operator used on a null value (use the null check operator for null values)
First of all, the GetX framework is used at this time, and the screenshot of the framework is as follows: The code in View is as follows: class AddTaskPage extends StatelessWidget { const AddTaskPage({Key? key}) : super(key: key); @override Widget build(BuildContext context) { final logic = Get. put(AddTaskLogic()); final state = Get.find<AddTaskLogic>().state; return Scaffold( appBar: […]
ViewOverlay – use simple practice
ViewOverlay-use simple practice 1. What can ViewOverlay achieve? 2. Basic usage 2.1 A Simple Case 2.2 After overlay.add(drawable)/groupOverlay.add(view), the problem is not displayed 2.2.1 add(Drawable) method 2.2.1 add(View) method 1. What can ViewOverlay achieve? In Android, ViewOverlay is a special view layer that can add and manage additional view layers on top of a view […]
Android runtime resource replacement—-Runtime Resource Overlay practice
Reprinted from [Car Android] App skinning solution (1) – Runtime Resource Overlay Android has joined the dynamic resource overlay mechanism runtime resource overlay (RRO) since M. This is contributed by sony. The implementation mechanism is as shown in the figure below. It is to establish a set of resource ID mapping tables in the framework, […]
Python draws wind pressure and wind direction overlay
Learning Objectives: Master python to draw wind pressure and wind direction overlay Modified from the following two articles https://blog.csdn.net/qiuylulu/article/details/115304020 https://huaweicloud.csdn.net/638079ebdacf622b8df88733.html?spm=1001.2101.3001.6650.4 &utm_medium=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~activity-4-1198797 64-blog- 115304020.235^v36^pc_relevant_default_base3 &depth_1-utm_source=distribute.pc_relevant.none-task-blog-2~default~CTRLIST~activity-4-119879764-blog-115304020.235^v36^pc_re levant_default_base3 &utm_relevant_index=7 Drawing results – Corresponding drawing code ###Import library package #matplotlib is used to make pictures, including pyplot, ticker and other functions for drawing pictures #numpy simple calculations #cartopy drawing […]
Error response from daemon: error creating aufs mount to /var/lib/docker/aufs/mnt/(overlay2) file system. solved
My system is a Huawei server of ubuntu20.04. The default storage driver selected by docker is not overlay2, but aufs. When I run the container, the following error occurs: docker: Error response from daemon: error creating aufs mount to /var/lib/docker/aufs/mnt/0e350f19e17605be44d455015aeebcdf869bb3969560c50b4d61d4b02c34bc26-init: mount target =/var/lib/docker/aufs/mnt/0e350f19e17605be44d455015aeebcdf869bb3969560c50b4d61d4b02c34bc26-init data=br :/var/lib/docker/AUFS/DIFF/0E350F19E1760BE44D45501AEBCDF869B3969560C50B4D6B02C34BC26-IT = RW:/VAR/DOCKER/AUFS/DIFF/4 4 4 3EC20A6AEA0F09F86D9409364DC5A6C93D40589C436003AE5A025F3143D8 = Ro + wh:/var/lib/docker/diff/095F8AF105CD9A84C88B8B8B D2572F2714FD8159F023AC1C9A68B6EBA0F9 […]
Android Studio Electric Eel 2022.1.1 Patch 2 imports opencv 4.5, and realizes image grayscale transformation and image overlay
Software version: Android Studio Electric Eel 2022.1.1 Patch 2 https://sourceforge.net/projects/opencvlibrary/files/4.5.0/opencv-4.5.0-android-sdk.zip/download Create project with API23: Import opencv sdk: File->New->Import Module Add project dependencies: File->Project Structure, sdk is opencv sdk. build.gradle(Myopency45) plugins { id ‘com.android.application’ version ‘7.4.2’ apply false id ‘com.android.library’ version ‘7.4.2’ apply false } build.gradle(app) plugins { id ‘com.android.application’ } android { namespace ‘com.michael.myopency45’ compileSdk […]
Python handles various techniques of image mirroring, rotation, occlusion, overlay, and striping
2.6 Image Mirror Symmetry 1. Convert the image horizontally to the mirror surface. 2. Convert the image vertically to the mirror surface. import random #import module import numpy as np import matplotlib.pyplot as plt a = plt.imread(“1.jpg”) # Repeat the image three times along the horizontal direction. b = a. copy() d = a. copy() […]
The method of using LeafLet to overlay the Geoserver wms layer to the existing basemap
Background With the rapid development of modern urban traffic construction, there are more and more subway lines and subway stations in various cities. The subway has greatly facilitated the transportation of the masses of people. As a Giser, I often encounter the need to display a piece of shp data on a map, or even […]
Resource coverage-overlay mechanism
1. SRO–Static resource overly (static replacement)2. RRO–Runtime resource overlay (runtime replacement) Static RRO 1. Write the configuration file The following code shows a sample AndroidManifest.xml. <manifest xmlns:android=”http://schemas.android.com/apk/res/android” package=”com.example.overlay”> <application android:hasCode=”false” /> <overlay android:targetPackage=”com.example.target” android:isStatic=”true” android:priority=”5″/> </manifest> On Android 10 or lower, use the following manifest attributes to configure the overlay’s immutability and priority. android:isStatic. When […]