If you keep the always visible button on, you can check the noise while viewing other apps.
You can reset the maximum noise value by clicking the refresh button.
The maximum measured noise value can be saved as a message with the date.
White noise can be reproduced.
On December 2, 2022, after upgrading the development tool Android Studio to the latest version, a bug occurred that prevented the app from running on Android 4.4 KitKat, so I rolled back to the old version of Android Studio used in 2021 to build the app.
~OK soft
1.15 1.15
On December 2, 2022, after upgrading the development tool Android Studio to the latest version, a bug occurred that prevented the app from running on Android 4.4 KitKat, so I rolled back to the old version of Android Studio used in 2021 to build the app.