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[App][4.4+][1-8-'21] Charge Monitor 1.6.3

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waterdaan

Senior Member
Oct 25, 2013
510
281
Charge Monitor shows graphs of the charging current, battery temperature, capacity and voltage.
Gives you the possibility to compare the charging current of different chargers and cables.

A picture is worth a thousand words.

Change log
Version 1.6.3
- Bug RemoteServiceException
+ Tablet improvements

Version 1.6.2
- Bug


Version 1.6.0
+ Manual calibration
+ Change minimum battery alarm temperature to 35°C
+ Splash background
+ Adaptive launcher icon
+ Updated libraries

Version 1.5.2
- Bug fix
- ClassCastException HorizontalScrollView
- NameNotFoundException PackageManager
+ Fix Fahrenheit


Older changelog

Version 1.5.1
- bugs
- set alarm permission

Version 1.5.0
+ Tablet layout

Version 1.4.1
if you're updating from the previous version delete app data!!
Graphs

+ More precise temperature & voltage (mV) in graph
+ Battery current graph smoothing
+ Move graph settings to graph window(swipe up)
+ Calibrate so that current is positive while charging, negative while discharging
History
+ 'New' icon in history
+ Fast scroller in history
+ Compare 2 or more graphs (select graphs to compare them)
Other
+ Help dialogs
+ Improve logging for unsupported devices
+ Android O support

Version 1.2.2
+ Implement SQLite database
+ History sorting & cleaning
+ Send data as csv file
+ Option to delete notification after charging
+ Battery temperature alarm
+ Graph settings & improvements
+ ExceptionHandler if side loaded
+ Alternative current calibration (experimental)

Version 1.1.1 bugfix
  • Graph updates when it shouldn't
  • Graph not hiding navigation bar
Version 1.1.0
  • Fixed bugs
  • Add log, to make it easier to send feedback
  • Refresh graph while charging
  • Show time to full in graph
  • Power supply in alphabetical order
  • Hide Power supply from settings if it isn't readable (Before installing the new version, disable show power supply if it isn't readable because it won't be in the settings anymore!!)



For automatic updates:
 

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G

GuestK00354

Guest
Works. No error. But quit useless, i don't know how i could use these data ^^ can i export them into xls file ? Can't remove notification.
 

waterdaan

Senior Member
Oct 25, 2013
510
281
Works. No error. But quit useless, i don't know how i could use these data ^^ can i export them into xls file ? Can't remove notification.
Thanks for your response.
While the app is gathering data you'll see a notification so you know that it's working in the background and yes you can't dismiss that notification.
With the data you'll be able to keep track of your battery temperature, the lower, the better for the longevity of your battery. Or you could compare different ways of charging your device, fast/slow, plugged/wireless.

I'm putting exporting the data on my to-do list.

Could you tell me the model of your phone and post a screenshot of the graph?
Thanks again!
 
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bombaglad

Senior Member
Dec 14, 2014
356
140
25
Bratislava
i just installed it, will test soon. but at first sight, i see a minor visual mistake in the settings, where the top bar is too tall when it doesn't include tabs, not according to material design guidelines
 

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methuselah

Senior Member
Aug 25, 2011
3,950
2,159
Works. No error. But quit useless, i don't know how i could use these data ^^ can i export them into xls file ? Can't remove notification.

lol...first of all this so rude to say something like this. And this app can be so useful to use while you are checking your chargers and charging cycles etc. If you can not contribute something then stop cluttering the app threads. Its like you can move on and please don't bother to reply ;)
 
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G

GuestK00354

Guest
Works. No error. But quit useless, i don't know how i could use these data ^^ can i export them into xls file ? Can't remove notification.
Hi, it wasn't an attack, i did a test and tell what i though. There no "tutorial" in the app so i was wondering what could i do. Don't judge too fast boy

PS: tested on Sony Z3 - marshmallow
 

AndStuff

Senior Member
May 2, 2012
75
12
Athens
Just installed on my Oneplus 2, running oxygenos 3.5.6
Everything seems to be ok, except that there are no units showing next to the numbers. Also, current shows too many numbers, seems to be showing μA instead of mA.
I can provide screenshots or anything else if needed for help :)

Thanks for the app of course!

Edit: Both aforementioned issues seem to be present on a friend's LG G2 as well.
Edit 2: After the 15% calibration passed and phone charged, everything is ok. Numbers are normal, units show up, so cheers again for the app!
 
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Indranuj Kar

Senior Member
Nov 22, 2013
166
54
Kolkata
Feedback!

Liked the interface! Lucid and simple to use. From the screenshot you can see battery charge cycle is something about 742. Can you tell me what can you determime from this?

Bdw tested on Samsung S6 Edge G925I having Alexis rom installed
 

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jmarcosk

Senior Member
Oct 19, 2010
60
16
Warszawa
Very good app, just what I was looking for long time ago. just one thing, if is possible to put an switch to invert the charging current, as some devices it appears an negative value when charging. My device is OnePlus 3
 

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Flashing_Expert

Senior Member
Sep 21, 2013
352
140
Jihlava
Working well

Hi I've just installed on my LG G4 with stock MM and everything seems ok but there's one bug, on history screen when I'll click on history of charging nothing happens, long press works as it should...
 

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sanjed

Member
Sep 29, 2010
24
8
This looks like a really useful app, installed on all my devices that will report charging data, will offer feedback if/where I find it.

I know this is about charging, but in your to do list, is there discharging as well? I would love that so much, especially if you do build in export capability.

Excellent work, thank you for putting it out here.
 

waterdaan

Senior Member
Oct 25, 2013
510
281
Hi, it wasn't an attack, i did a test and tell what i though. There no "tutorial" in the app so i was wondering what could i do. Don't judge too fast boy

PS: tested on Sony Z3 - marshmallow
Don't worry, I didn't take it as an attack, but as a genuine question. Yeah I should improve the fist post a bit.....
 

waterdaan

Senior Member
Oct 25, 2013
510
281
Just installed on my Oneplus 2, running oxygenos 3.5.6
Everything seems to be ok, except that there are no units showing next to the numbers. Also, current shows too many numbers, seems to be showing μA instead of mA.
Edit: Both aforementioned issues seem to be present on a friend's LG G2 as well.
Edit 2: After the 15% calibration passed and phone charged, everything is ok. Numbers are normal, units show up, so cheers again for the app!
Thanks!! Yes different phones reporting the battery current in different units (μA or mA and hopefully no others) is one of the reasons why I'm asking for your help here.
 

bombaglad

Senior Member
Dec 14, 2014
356
140
25
Bratislava
oneplus 3 user here, running official resurrection remix, 7.1.1, stock kernel

so, i've been using it for a while now, and here's what i have to say:
  • good design, although the top bar in settings should be thinner, the black theme is awesome.
  • it does the job of monitoring the charging process very well, the data seems to be accurate and can surely be useful
  • the app is lightweight, drains no resources and has no noticeable impact on the phone's behavior or performance

here's what i suggest to make the app better:
  • when viewing the chart of the active charging cycle (opened from within the app, not from the notification), add autorefresh every few seconds so people don't have to exit and reopen it to refresh
  • make the line for charging current display the absolute value of the current and fix the 0-line on the bottom so it makes more sense
  • it would be awesome to display cpu load and cpu temperature as optional lines in the chart, so one can compare the impact of using the phone while charging

but i have to say, good job so far, if i were you, i'd do some polishing, slap a google ad to the bottom, add a donate option and post it to the play store :).
 

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BobboVilla

Senior Member
Jun 22, 2014
92
20
Honor View 10
Xiaomi Poco F3
I tried it. Asus ZenFone 2, running Android 5.0, stock and rooted.

I think it also showed some odd numbers when the app started, but I'll check again tomorrow to make sure.

P.S. Maybe you can add an option to cut the graph to show just the actual charging? I left my phone connected to the charger a while after it was fully charged, so the time is wrong, and I really want to know how long it takes my phone to be fully charged :).
 

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  • 47
    Charge Monitor shows graphs of the charging current, battery temperature, capacity and voltage.
    Gives you the possibility to compare the charging current of different chargers and cables.

    A picture is worth a thousand words.

    Change log
    Version 1.6.3
    - Bug RemoteServiceException
    + Tablet improvements

    Version 1.6.2
    - Bug


    Version 1.6.0
    + Manual calibration
    + Change minimum battery alarm temperature to 35°C
    + Splash background
    + Adaptive launcher icon
    + Updated libraries

    Version 1.5.2
    - Bug fix
    - ClassCastException HorizontalScrollView
    - NameNotFoundException PackageManager
    + Fix Fahrenheit


    Older changelog

    Version 1.5.1
    - bugs
    - set alarm permission

    Version 1.5.0
    + Tablet layout

    Version 1.4.1
    if you're updating from the previous version delete app data!!
    Graphs

    + More precise temperature & voltage (mV) in graph
    + Battery current graph smoothing
    + Move graph settings to graph window(swipe up)
    + Calibrate so that current is positive while charging, negative while discharging
    History
    + 'New' icon in history
    + Fast scroller in history
    + Compare 2 or more graphs (select graphs to compare them)
    Other
    + Help dialogs
    + Improve logging for unsupported devices
    + Android O support

    Version 1.2.2
    + Implement SQLite database
    + History sorting & cleaning
    + Send data as csv file
    + Option to delete notification after charging
    + Battery temperature alarm
    + Graph settings & improvements
    + ExceptionHandler if side loaded
    + Alternative current calibration (experimental)

    Version 1.1.1 bugfix
    • Graph updates when it shouldn't
    • Graph not hiding navigation bar
    Version 1.1.0
    • Fixed bugs
    • Add log, to make it easier to send feedback
    • Refresh graph while charging
    • Show time to full in graph
    • Power supply in alphabetical order
    • Hide Power supply from settings if it isn't readable (Before installing the new version, disable show power supply if it isn't readable because it won't be in the settings anymore!!)



    For automatic updates:
    6
    Thanks a lot for all your replies!!

    invert the charging current, as some devices it appears an negative value when charging.

    • absolute value of the current
      add autorefresh
      display cpu load and cpu temperature
      the top bar in settings should be thinner
    I've inverted the current if it's negative, let me know what you think.
    Autorefresh added in the graph and the history.
    cpu info in the graph, maybe some day......
    In the new version, have a look at the log, this has a Material guidelines toolbar height and I don't like it, do you? The main screen has the tabbar under the toolbar and I like the second screen to have the same hight.

    I really want to know how long it takes my phone to be fully charged :).
    The time it takes for the battery to reach the full state is now visible in the graph (full apparently is not the same as 100%) But not with the previous data, you'll need to charge it to full to see it.

    on history screen when I'll click on history of charging nothing happens
    Thanks for reporting, should be fixed now

    Using the Google Pixel XL on Project Fi. Charged about 20 minutes.
    Would you mind checking if the temperature line fits on the screen in the new version?

    Please add an option to hide all notifications, more specifically the status bar icon and lock screen notification while charging.
    I'm sorry, but the app can't work in the background without notification, as far as I know.
    Looking at the graph you posted, something seems to be wrong; the current is always 0.
    Could you please install the new version, delete the data of the app (this will also delete your charge history) and charge for 20% and then send me the log from the settings in the app? So I can see what's going wrong.

    discharging as well? I would love that so much, especially if you do build in export capability.
    I really like that it can measure the consumption, are you planning to also add a graph for that
    It depends on the phone of course, but in general android does a decent job at reporting battery usage. There's next to zero charging info though.
    Also there are some complications if you want to monitor discharging, the biggest one is using a lot of battery. That would be funny, a battery app that uses a lot of battery!! If you're charging your phone, it doesn't go into deep sleep, so it's on but with the screen off, so there's no problem to read and save data, the app is not waking up the phone.
    BUT yeah I'd like to...so maybe some day


    New version in the first post
    Change log
    • Fixed bugs
    • Add log, to make it easier to send feedback
    • Refresh graph while charging
    • Show time to full in graph
    • Power supply in alphabetical order
    • Hide Power supply from settings if it isn't readable (Before installing the new version, disable show power supply if it isn't readable because it won't be in the settings anymore!!)
    5
    Charge Monitor 1.4.1

    if you're updating from the previous version delete app data!!
    Graphs
    + More precise temperature & voltage (mV) in graph
    + Battery current graph smoothing
    + Move graph settings to graph window(swipe up)
    + Calibrate so that current is positive while charging, negative while discharging
    History
    + 'New' icon in history
    + Fast scroller in history
    + Compare 2 or more graphs (select graphs to compare them)

    + Help dialogs
    + Improve logging for unsupported devices
    + Android O support
    3
    @jmarcosk @cmglng
    Yes you're correct, Android 8 won't let the app know that you plug in or unplug the device.
    I'm working on a solution .....coming soon
    3
    It would be good if the timer stop after battery is fully charged.