After request.uploadFile() is used to upload a file, there is no callback for the message returned by the server. How do I know whether the file is successfully uploaded? Does the image URI returned by FilePicker have only temporary access permission? Why a permission error is reported ...
1. Introduction to Canvas Component<br>This example mainly uses the Canvas component of ArkUI to implement the function of graffiti. First, let's introduce the Canvas component. The Canvas component mainly includes Canvas and CanvasRenderingContext2D. Canvas provides canvas functions, and CanvasRender...
After request.uploadFile() is used to upload a file, there is no callback for the message returned by the server. How do I know whether the file is successfully uploaded? Does the image URI returned by FilePicker have only temporary access permission? Why a permission error is reported ...
After request.uploadFile() is used to upload a file, there is no callback for the message returned by the server. How do I know whether the file is successfully uploaded? Does the image URI returned by FilePicker have only temporary access permission? Why a permission error is reported ...