Headphone indicator

Headphone indicator 通知制御 アプリ 向け Android 説明

Shows a notification icon in the status bar when headphones are plugged into the phone.

After installation, you have to start the application at least once. Then it will be running as a background service that shows the headset status icon whenever the headphones are plugged in. You can close the app, and the status icon will still work - even after rebooting your phone.