Many phone calls I receive are for planning a meeting, or asking me to do something. But callers seem not to realize that it’s complicated for me to read and manipulate my calendar and TODO-list on my phone while I’m using it for the call.
Why I don’t answer most phone calls
Adrien Joly

With android multitasking it’s pretty easy to do. Throw on some headphones and you can listen and talk while manipulating whatever you need on the phone. Or if you’re somewhere private put on speaker phone and you can do whatever you need on the phone while you talk.