has been working on custom controls for Android recently. for example, when you customize the navigation bar, you can: first define a navigation item containing pictures and text After , use the package name in the main navigate view, set each item...
I am a beginner in flutter. Today I want to customize an input box control. As a result, I encountered a strange problem. The custom space box cannot be put into the input box. If I put it into the input box, I will report an error. The code is as follo...
I try to switch pages using custom controls. I read this tutorial: composite controls now I use a Cardview and LinearLayout to put the button in it, but I can t do it. so I followed this tutorial: put the code to dynamically add page fragments ...
1, the effect you want to achieve 2, the code is as follows: app.title = World population-bar chart ; option = { title: { }, tooltip: { trigger: axis , axisPointer: { type: shadow } }, legend: { }, grid: { left:...
there is no problem with local packaging and operation. After it is launched, the vkey cannot be obtained, resulting in the failure of playback. At first, I thought it was a network speed problem, so I set the slow3G mode to run locally, and the vkey ca...
problem description [AVAssetWriterInput markAsFinished] Cannot call method when status is 0. the environmental background of the problems and what methods you have tried po status = 1; related codes Please paste the code text below (do not r...
when bilibili was watching LVB with chrome, he opened the console once with F12, and refreshed the page without the console closed. From then on, all pages under https: live.bilibili.com cannot be opened correctly. No, no, no. just like the picture ...
the website was attacked by cc. It died 3 seconds after apache was opened, and memory overflowed. Is there any solution ?...