Is it possible to play sound files over phone calls. I want my programm make a phone number and after a few minutes play a wave file with the microphone off, for the oder end call heard clairly with no ambiant noise.
If some one can help, thanks in advance.:icon_clap:
You can use backup tool to get the apk. then you can extract the code and have a look at the java-code. Or you find such functionality in a java-library and maybe some one will make a b4a wrapper for it