File.WriteString(File.DirInternal, "1.txt", "texto")
And where it should be stored??B4X:File.WriteString(File.DirInternal, "1.txt", "texto")
Ok,The emulator doesn't work with Windows file system. It has its own internal file system.
You can use ddms tool to access the emulator files.
From the 10.4 it is not clear that emulator cannot work with windows files.Did you have a look at following chapters in the Beginner's Guide ?
14 Basic Language / 14.10 Files
6. Emulator / 6.4 Exchanging files with the PC