Die Tracking Checkbox im Menü ist immer aktiviert nach jedem Wechsel eines Tabs auch wenn man das Tracking vorher deaktiviert hat.

The JSON response from the API does not return the correct content type:

$ curl -s -D - http://api.criticalmaps.net/twitter/get.php

HTTP/1.1 200 OK
Date: Sun, 04 Oct 2015 22:27:23 GMT
Server: Apache
X-Powered-By: PHP/5.4.44
Transfer-Encoding: chunked
Content-Type: text/html

It should be Content-Type: application/json;charset=utf-8 instead.

My wish is a "mass line filter" function (user option, activated by default), which shows a certain number (programmable, default 16) of close (perhaps as user option: programmable minimum distance) positions as a single continuous line with a separate colour instead of showing the distinct positions.

Different clusters in the map can, for the moment use the same colour, later perhaps, different colours.
Here is a "nice colours" random generator: https://randomcolor.llllll.li/ .

One's own position, regardless whether it is part of the "mass line" or not, should always be shown as it is now.

An additional velocity filter could be perhaps useful to only cluster positions senders within a certain range of velocities.

[Updated 20170613]

Additional wish from the ADFC: "Könnt Ihr aus Tracks mittlere Geschwindigkeiten auslesen?"
Would be nice to have a kind of (min. max, average) velocity information derived from all these clustered positions, which form the clustered line.

As A user I would like to see chat-messages and tweets while viewing the map on a phone mounted to my bike when they arrive

When a new chat message arrives
A Snackbar pops up and displays the message

When you click on this message
Then you get to the chat part of the app

When a new tweet arrives
A Snackbar pops up and displays the tweet

When you click on this tweet
Then you get to the twitter part of the app

set auth header.
on the server: refuse write, allow read for backwards compatibility.
set a dummy token in the public repo and hand out the dev token to all contributors.

CMBerlin

https://twitter.com/search?q=%23CMBerlin

the current prerequisites basically block you from using the app. in the future we could think about letting them still use the app but show them some kind of notification that stuffs not working 100%.

I was wondering if the app can be translated so the rules of the critical mass display in the language of your phone.

salt could be date string. purpose of this change is to make it harder to identify devices when you find out what md5 hash they have created out of their device id.

I see two problems here:
First of all osmdroids overlay list is backed by a CopyOnWriteArraylist which creates a new copy on every mutation. Secondly we are currently allocating new Objects for the markers on each refresh which is less then optimal (which is kinda my fault due to 9bfca71 ;) ).
I would suggest keeping a local copy of the overlays as a normal Arraylist in MapFragment. Then we could update the existing ones and add and remove as needed on each refresh in that local list. When done we can just .clear() and .addAll() the osmdroid one. This would reduce the mutative operations to two in all cases.
Thoughts?

After discussion in #88 and on chat, the feature was removed in #102 .
Let's not forget to bring it back in time for the next Berlin Sternfahrt ;)

Write a locale GPX track file.

When using the new app version 2.3.0, the positions coming from this version are not shown on http://criticalmaps.net/map .

if i leave the map/app, the map always pans back to berlin. The last position should be restored.

if this conflicts with the f-droid policy, we'll have to think of a way to make it work for two falvors.

hi i received the following email (sorry its in german):

Eine Visualisierung, wie alt die Positionsdaten sind, wäre ganz gut. 
Zum Beispiel könnten die Positionen ihre Farbe wechseln, je älter die Daten sind. 
Nicht sekündlich, aber alle 5-10 Sekunden etwas dunkler. 
Zum Beispiel wie beim Lightningmaps.org.

Viele Grüße
Tilo 

i think that if we implement something like that, we should make the difference in color very subtle in order to not confuse people. also it might be tricky to communicate to the user what those different colors actually mean.
what's your opinion on this?

stuff runs outside of main looper and causes some devices to crash. cant reproduce.

java.lang.ExceptionInInitializerError
at de.stephanlindauer.criticalmass.helper.b.a(Unknown Source)
at de.stephanlindauer.criticalmass.helper.d.run(Unknown Source)
at java.util.Timer$TimerImpl.run(Timer.java:284)
Caused by: java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
at android.os.Handler.(Handler.java:121)
at android.os.AsyncTask$InternalHandler.(AsyncTask.java:607)
at android.os.AsyncTask$InternalHandler.(AsyncTask.java:607)
at android.os.AsyncTask.(AsyncTask.java:190)
... 3 more

If you have the SDK installed, you should have a local maven repository serving this file instead of including it as binary jar file. E.g. compile "com.android.support:support-v4:23.0.0" in your dependencies in app/build.gradle should work fine.

With the recent versions I noticed that the map is not loaded when the app is started, when GPS is switched off.

I only see a blue map with my own position icon, zoom-in or zoom-out: no function.

• HUAWEI P8 Lite 2017
• Android 7.0

Yesterday I took part in the Fahrradsternfahrt to Berlin. During 4 hours, my phone spent almost 20 MB. I don't have a generous data plan, and this was way beyond my "daily allowance".

There seem to be multiple factors contributing to this rather large amount of data:

• I could find no way to use offline maps (I'm using them with Locus, and c:geo, thus a newer mapsforge interrface should work)
• There seems to be no map tile caching
• The app appears to load map tiles even if it's only running in the background (I don't have proof for that, except that between two consecutive unlocks, more than 5 MB had been spent). Actually, my phone reports twice the amount of data transferred in the background compared to foreground usage (i.e. when I was zooming and panning around for other participants)!

While a typical CM will take place in a well-defined, small area, such a setup like the Sternfahrt would cover long distances and therefore would trigger more map reloads than usual.

Is there an overview what kind of data gets transmitted (sent, and received) in which situations?
I'd expect my own location to be sent every now and then (10 - 15 seconds?) but other locations, and map tiles, only pulled if there are any participants within my view window, and none of that while running in the background.

I'm back to Herve Renault's self-hosted location tracking service for now (which consumes <1/4 kB per my location report).

Wishlist (in decreasing order of importance to me):

• option to use off-line maps (must-have)
• no map tile loading in the background at all (important)
• reduce traffic to a minimum in bg mode (only report own location; perhaps notify of chat? - normal)
• option to opt out of chat etc.

Thanks!

As I user I would like to see the as much map as possible when the phone is mounted to bike while cm.

When the phone detects that there was no user input for a while
Then the Actionbar should disappear

When the phone detects that there is userinput
And the Actionbar is invisible
Then the Actionbar should appear

memory leak, map bitmap needs be recycled i think

maybe even proper names

check if the location fix is older then -let's say- one minute. if it is: dont send it with the push/pull request.

Moin!

Schönes Projekt. Ich finde es bedenklich, dass die App quasi immer im Hintergrund trackt ohne den benutzer wirklich drauf hinzuweisen. Da fänd ich einen permanenten Hinweis innerhalb der App schon ganz gut, solange das Tracking aktiviert ist. Die Trackt ja auch im Hintergrund, da sollte es dann auch einen Hinweis als Notification geben.

figure out how we want to handle translations.
transifex would be one way. android studio the other.

see previous discussion @ #178

I see there is a 2.1.0 version in the PlayStore and I wanted to ask for an appropriate tag for that version, so that it can be published on F-Droid, too.
Thanks!

http://developer.android.com/training/run-background-service/create-service.html

A friend installed the app and was a little bit confused. It would be a good idea show at the first start of the app a how to CM.

so we can properly link from the website or from the facebook page.
should either open the app if installed or the play store if it isnt.

...to comply with their licenses.
I already have most of them collected but am unsure where best to add them. Maybe add another header in about and list the names there and expand on click? Or maybe just a link in about and show them in a separate activity?

As A User I would like an option to see the cm all the time centered on the map without having to zoom and pan

When the user has not interacted with the phone for a while
And in the setting the user activated this feature
Then the bounds of the cm are calculated
And the map is set to these bounds with some padding

According to F-Droid the app is licensed under Apache 2.0. But I couldn't find this information anywhere in the repository.

I had this when looking over #146 - needs further investigation - placing it here to track and not forget

E/AndroidRuntime(15339): java.lang.RuntimeException: Unable to resume activity {de.stephanlindauer.criticalmaps/de.stephanlindauer.criticalmaps.Main}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.location.LocationManager.isProviderEnabled(java.lang.String)' on a null object reference
E/AndroidRuntime(15339):    at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4032)
E/AndroidRuntime(15339):    at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4063)
E/AndroidRuntime(15339):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3259)
E/AndroidRuntime(15339):    at android.app.ActivityThread.access$1000(ActivityThread.java:197)
E/AndroidRuntime(15339):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1681)
E/AndroidRuntime(15339):    at android.os.Handler.dispatchMessage(Handler.java:102)
E/AndroidRuntime(15339):    at android.os.Looper.loop(Looper.java:145)
E/AndroidRuntime(15339):    at android.app.ActivityThread.main(ActivityThread.java:6872)
E/AndroidRuntime(15339):    at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(15339):    at java.lang.reflect.Method.invoke(Method.java:372)
E/AndroidRuntime(15339):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
E/AndroidRuntime(15339):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
E/AndroidRuntime(15339): Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.location.LocationManager.isProviderEnabled(java.lang.String)' on a null object reference
E/AndroidRuntime(15339):    at de.stephanlindauer.criticalmaps.utils.LocationUtils.getBestLastKnownLocation(LocationUtils.java:16)
E/AndroidRuntime(15339):    at de.stephanlindauer.criticalmaps.managers.LocationUpdateManager.getLastKnownLocation(LocationUpdateManager.java:85)
E/AndroidRuntime(15339):    at de.stephanlindauer.criticalmaps.fragments.MapFragment.setInitialMapLocation(MapFragment.java:129)
E/AndroidRuntime(15339):    at de.stephanlindauer.criticalmaps.fragments.MapFragment.onActivityCreated(MapFragment.java:123)
E/AndroidRuntime(15339):    at android.support.v4.app.Fragment.performActivityCreated(Fragment.java:1970)
E/AndroidRuntime(15339):    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1092)
E/AndroidRuntime(15339):    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1248)
E/AndroidRuntime(15339):    at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
E/AndroidRuntime(15339):    at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1613)
E/AndroidRuntime(15339):    at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:330)
E/AndroidRuntime(15339):    at android.support.v4.app.FragmentActivity.onResume(FragmentActivity.java:441)
E/AndroidRuntime(15339):    at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1271)
E/AndroidRuntime(15339):    at android.app.Activity.performResume(Activity.java:6671)
E/AndroidRuntime(15339):    at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4021)
E/AndroidRuntime(15339):    ... 11 more

In another project I used this commit

• Wikinaut/RadioDroid@2af8ec7

to add detailed apk information to the apk filename.

In case that you also like this, I can prepare and send a pr for cmaps. Pls. let me know if you are interested.

While we probably all agree this is a feature that should be included, right now it has some problems:

• long initial dynamic generation
• impact on performance
• only relevant to berlin

In a short discussion with @ligi we agreed, that we all should probably put some thought in redesigning the feature (different cities, only specific routes, ...). I proposed temporarily removing the feature until this is sorted out, but ligi correctly pointed out that this might confuse users.
So, any thoughts about that?

This ain't pretty

hi @canerbasaran ,
can you have another look into the turkish strings file?
a few things have changed and it would be nice to have them in the next release.
tesekkurler abi ;)

...to showcase the app in the repo and to have new screenshots for the play store

Unfortunately the communication between the app and criticalmaps.net is unencrypted. A corresponding information made it to the app description on F-Droid.
As locations and (anonymous) messages are quite sensitive data it would be preferable to use encrypted HTTPS-connections.