Clear buffer method not working - Githubissues

shangmisunmi / SunmiPrinterDemo

printer test demo

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Clear buffer method not working #72

Open hharera opened 2 years ago

hharera commented 2 years ago

Scenario

When enter transaction mode by invoking enterPrinterBuffer(true), At first, the buffer is not cleared.
Then, Invoke printing methods and invoke commitPrinterBuffer(), print the old buffer data
Code Snippet

        printerService?.enterPrinterBuffer(true)

        printerService?.printBitmap(bitmap, callback)

        printerService?.commitPrinterBuffer()

        printerService?.exitPrinterBuffer(true)

Work Around Solution

        printerService?.printText("\n", callback)