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 ...
when I use linux to install the software, it gives me the impression that I install it step by step with the search results, and then until the last step, the software is installed, and it feels like it s gone. Unlike windows, which can right-click to o...
the official document says: "in order to facilitate developers of third-party platforms to introduce extAppid development and debugging work, it is necessary to introduce the concept of ext.json. Ext.json is a configuration file that is placed in the r...
The description of the document is: "triggered when you click tab when you are currently a tab page, " but I used onTabItemTap on several tab pages and then the switch didn t trigger. The basic library is 2.0.8, which is solved. ...
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as shown in the picture, I have a container and there is a pink area in the lower right corner. How to move the mouse and hold down the left button to change the size of the container? Thank you ...