To add or install the Flask virtual environment run pip install flask. Next, activate the virtual environment we just created by running source text-to-speech/bin/activate. Run python3 -m venv text-to-speech to make a virtual environment. If you aren’t knowledgeable on these available API packages, read more about it here. We will use termux-tts-speak, part of the Termux API package, in our work today. Run pkg install termux-api once Vim is done installing so that the Termux API package installs. To make sure you have access to Vim, open Termux and run pkg install vim on your terminal. The text editor we will be using to edit our Python file is Vim. If you don’t know how to install each of these on your mobile device, check out my previous post. In order to build the app, you need at least some basic knowledge of the Termux Android terminal emulator and Python language because I will not discuss those programs in this tutorial.īecause we will be working on your phone, make sure that you have Termux and Python preloaded. The app will accept speech, convert it into text, and the UI is a simple input form that includes a button to send the text to the server.

The app that this tutorial will walk you through is a simple text-to-speech application built on a simple Flask server. Now, we are going to move one step further and actually build a web-based application that will run on an Android phone. In the first article in this two-part series, I wrote about how you can code the very simplest structure of the web app server on an Android device.

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