alarm icon etc.
Lollipop API for controlling the Alarm icon in status bar [ https://stackoverflow.com/questions/28367822/lollipop-api-for-controlling-the-alarm-icon-in-status-bar ]
Controlling the Alarm icon in status bar [ https://stackoverflow.com/questions/23105038/controlling-the-alarm-icon-in-status-bar ]
Tweaking System UI Tuner [ https://www.protechtraining.com/blog/post/android-m-tweaking-system-ui-tuner-880 ]
Status bar icons list:
managed_profile
ime
sync_failing
sync_active
cast
location
bluetooth
powersavingmode
earphone
nfc
tty
speakerphone
zen
mute
volume
wifi
cdma_eri
data_connection
phone_evdo_signal
phone_signal
battery
alarm_clock
secure
clock
volte_call
eyes_protect
[ https://forum.xda-developers.com/huawei-p20-pro/how-to/guide-hiding-status-bar-icons-t3853258 ]
[ https://forum.xda-developers.com/mate-20-pro/how-to/guide-how-to-hide-unwanted-status-bar-t3891345 ]
adb shell settings put secure icon_blacklist bluetooth,wifi