Advanced SystemUI : widgets

Advanced SystemUI SystemUI replacement for the Nokia N8x0 tablets	asui project page

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Battery | Graph | Process Viewer

WiFi

Secondary page and UI customization
Pressing the home (swap) button or swiping across 25% of the button bar changes between the primary and secondary pages. Widgets and buttons can be unlocked with the edit buttons on the secondary page which places both pages in edit mode. Widgets can have separate placements for landscape and portrait but buttons use the same layout. Rotation buttons can't be moved to the secondary page.

Moving widgets/buttons: (tap a widget/button to select as source and again to unselect)

Tap empty cell to move selected widget/button
Tap another widget/button to swap it with the selected widget/button
A selected widget/button will appear in the button bar if you switch pages. Tapping destination will move or swap it. Tapping the widget/button in the button bar will unselect it.
Tapping the hide/show button when a widget/button is selected will toggle is visible state.

Battery Widget

Battery capacity and active/idle times or battery drain rates
- on battery -- gray "Battery", white capacity
- charging -- green "Charging", small gray capacity (doesn't update)
- plugged in -- green "Charged", white capacity
- Short press to toggle between active/idle time and battery drain rates
  - Last hour rate will begin when it has more than one minute of data and it estimates the rate based on initial drain. A tilde (~) will be appear before the rate if it has less than an hour of data.
    rate = (hour_capacity - current_capacity) * 3600 / (current_time - hour_time)
  - The second rate scales from 2 hours to 7 days depending on available data and the value will remain unknown until it has 1.5 hours of data.
    hours = (current_time - oldest_time) / 3600
    rate = (oldest_capacity - current_capacity) / hours
    displayed_hours = round(hours)
  - The rate changes from green to yellow when drain exceeds 0.8 (less than 5 days battery life) and yellow to red when drain exceeds 14 (less than 7 hours battery life). Anything less then 0.4 (maximum idle battery life) will be white since these values are only possible with charging.
- Long press to open the battery graph
- Capacity does not update while charging or when the screen is locked. This is a problem with BME and can't be fixed.
Memory, swap and CPU usage (tap to open process viewer)
- Long press to toggle between memory and swap (swap must be enabled)
- Memory and swap is displayed as percentage free, percentage used, free/total in megabytes or used/total in megabytes
- Free (green plus): white/black 31-100%, yellow 11-30%, red 0-10%
- Used (red minus): white/black 0-69%, yellow 70-89%, red 90-100%
CPU frequency and current governor or DSP frequency
- Long press to open governor and DSP ratio selection dialog
- The highlighted button is the current governor or DSP ratio
- A red button indicates the DSP is active and can't be changed, governor can still be changed but won't effect CPU frequency while DSP is active
- Policies:
  - conservative - 165 to 400Mhz (slowly increases as needed)
  - ondemand - 165 to 400Mhz (instantly increases when needed)
  - null - no userspace driver installed
  - powersave - 165MHz only
  - performance - 400MHz only
Battery temperature

Battery graph
Long press the battery capacity to open.

Left side is oldest data and right side is current
White tick marks are hour points starting from right side
Vertical dotted green line is when the last charge finished
Red value at top is the time screen has been on since last removing device from charger
White value at top is the total time displayed on graph

Process viewer
Tap the memory and cpu usage in battery widget to open. Displays all processes sorted by cpu usage and resident set size in megabytes. List can be scrolled with d-pad or with vertical swipes anywhere in the list view. Tap process to select and enable kill button. Process list updates every 5 seconds unless screen is off.

white -- normal processes
gray -- kernel threads
red -- zombie processes
green -- managed services
blue -- other services

Brightness Widget
Brightness can be changed by either tapping or dragging the slider (tracks very slowly due the time required to set each level). Up and down buttons are also available for single step adjustments. Holding down the up/down buttons will begin repeating every 500ms and gradually increase the repeat rate to every 100ms. The d-pad up/down buttons (user-defined setting) will adjust brightness in steps of 10 (also user-defined). Three preset buttons appear below the slider when enhanced brightness is enabled. The values for these presets can be configured in the settings.

Edit the following line in /etc/mce/mce.ini to keep the ambient light sensor from changing brightness.

FROM   Modules=homekey;battery;filter-brightness-als;inactivity;camera;alarm
TO     Modules=homekey;battery;inactivity;camera;alarm

ASUI's MCE settings page has a checkbox to toggle this.

N800:
Tap theme button in brightness widget to toggle between black and white themes.

N810:
Defaults to ALS auto-theming. Long press the light sensor button to toggle between ALS and manual mode. Once in manual mode (sensor value is underlined), you can tap to toggle between black and white themes.

ALS auto-theming (N810 only)
Switches to a white theme when ambient light exceeds 4000 lux and returns to black theme when it drops below 3000. Both values are configurable and the theme switching can be disabled by setting the white threshold to zero or to an unobtainable value, but switch to manual mode instead of modifying the settings. Automatic switching works on the main screen and most dialogs, although some dialogs take longer to respond.

Volume Widget
Volume can be muted or unmuted by tapping the boxed value below the scroller. Volume can be changed by either tapping or dragging the slider. Up and down buttons are also available for single step adjustments. Holding down the up/down buttons will begin repeating every 500ms and gradually increase the repeat rate to every 100ms. The d-pad right/left buttons (user-defined setting) will adjust volume in steps of 10 (also user-defined).

Bluetooth Widget
Double-tap the dot to start or stop the bluetooth services. Hardware is disabled when it has a gray mark below and enabled when the mark is red. Services are automatically started when enabling hardware.

Hardware side (left half):

Short press will toggle the hardware.
A long press will open the device search dialog and enable the hardware if not already.
Swiping from right to left (service indicator to hardware indicator) will toggle visibility (discoverable) which is represented by a blue asterisk. Bluetooth must be enabled to toggle visibility.

Services:

hcid
bluetoothd-service-audio -- part of hcid, memory usage is tracked
bluetoothd-service-input -- part of hcid, memory usage is tracked
btcond
obexsrv

GPS Widget
Double-tap the dot to start or stop the GPS services.

Hardware side (left half):

Hardware not yet supported.

Services:

gpsdriver
supllistenerd -- optional package (A-GPS)
gps-clockd -- optional package (sync clock when gps enabled)
gpsdriver_guard -- optional package (restart gpsdriver if it leaks memory)

WiFi Widget
Double-tap the dot to start or stop the WiFi and network services. Hardware is disabled when it has a gray mark below and enabled when the mark is red. Services are automatically started when enabling hardware.

Hardware side (left half):

A short press will disconnect or autoconnect to the first saved access point.
A long press when not connected will open the access point selection dialog.

Services:

wlancond
dnsmasq
osso-connectivity-ui-conndlgs
icd2
ntpd -- optional package (OpenNTP)

Clock Widget
Tap for fullscreen clock, swipe down the screen to close the fullscreen clock. Long press fullscreen clock to toggle keep lit mode on or off, an icon will appear in upper left corner when enabled. The display will not blank when keep lit mode is active.

Audio Widget
Double-tap to start or stop the audio services. Some programs (mplayer) use direct access and will continue working while audio services are stopped.

Services:

multimediad
dsp_dld -- memory usage is tracked but this service won't stop. Starting audio will start this service if it is stopped
mediaplayer-engine
esd -- memory usage is tracked but this service isn't toggled because the sound statusbar app will restart it if stopped. Starting audio will start this service if it is stopped
osso-media-server

Desktop Widget
Double-tap to start or stop the hildon desktop service. Stopping this will terminate all open applications. Useful when a statusbar applet or desktop plugin is leaking memory and the desktop needs to be restarted. Also useful to stop the desktop when that memory is needed to run more applications.

Services:

hildon-desktop -- handles application startup notifications, statusbar, wallpaper and desktop plugins. Everything will work correctly if you don't need these features, otherwise just use it to restart the desktop.

SSH Widget
Double-tap to start or stop the selected SSH service. Long pressing the SSH widget toggles between the OpenSSH and Dropbear servers. The widget will work with both servers installed together and can control both services if they are on separate ports. Number of connected clients is displayed in the lower left corner. The Dropbear service can not be stopped while clients are connected due the way ASUI counts clients, OpenSSH does not have this problem and can be stopped while clients are active.

Services:

sshd -- optional OpenSSH server package
dropbear -- optional Dropbear SSH server package

VPN Widget
Double-tap to start or stop the OpenVPN service.
This widget is untested, waiting for confirmation from lkravovicz who requested the feature.

Services:

openvpn -- optional OpenVPN package

USB Widget
Long press to toggle between host and OTG modes. Connection status is also displayed but has not been fully tested and may or may not work correctly.

Dual Button Widget
There are five widgets that each hold two buttons, allowing buttons to be moved from the button bar down to the widget area. An empty button widget cell has a solid gray dot.

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