This is an Android App that can play the specified sound from local disk and the chirp sound signal according to your configuration. The timestamp in the format of yyyy-MM-dd HH:mm:ss SSS when you press the "PLAY" button or the "CHIRP" button will be logged on the screen for your information.

Smart Audio Player has totally three functions: Playing the specified sound file and log the timestamp when you play the sound on the watch's screen; Playing the chirp sound signal according to your configuration. The timestamp will be in the format of yyyy-MM-dd HH:mm:ss SSS for your information. You can also add your sound file you want to play in the directory /app/src/main/res/ and modity the code accordingly.

• Clone the project onto your hard disk.
• Open the whole project folder using Android Studio.
• Link your physical android watch (maybe through WIFI) to the studio or create a virtual machine.
• Click the running button and wait for App installation.

• Start playing file. Press the "PLAY" button and the watch will repeatedly play the specified sound file. Meanwhile, the timestamp when you click the button will be logged on the watch's screen.
• Start playing chirp. Enter the start frequency, end frequency, and the duration of the chirp. Then press "CHIRP" button and the watch will repeatedly play the chirp sound signal.
• The timestamp when you press the "PLAY" or "CHIRP" button will be logged into the local file, whose path is /Android/data/com.example.new_smart_player/normal.txt or /Android/data/com.example.new_smart_player/chrip.txt, respectively.
• Stop: Press the "Stop" button and the player will stop playing the sound.

• This App is developed by Qiang Yang and Leming Shen, from Department of Computing, The Hong Kong Polytechnic University.
• To contact us, mail to [email protected] or [email protected]