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en:help:v2:tracker [2018/09/12 15:21] – [Problems with the track recorder] alpinequest | en:help:v2:tracker [2019/03/05 21:58] – alpinequest | ||
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* Tap on the ''" | * Tap on the ''" | ||
- | Alternatively, | + | Alternatively, |
* Tap on the ''" | * Tap on the ''" | ||
* Tap on ''" | * Tap on ''" | ||
Line 134: | Line 134: | ||
\\ | \\ | ||
- | ===== Problems with the track recorder | + | ===== How to correctly setup your device for background |
\\ | \\ | ||
- | **Track not recorded | + | In recent Android versions, multiple optimization tools have been added in order to reduce battery usage, especially targeting background applications. For example, the " |
- | Lot of recent devices come with a security and battery management application that doesn' | + | |
- | > For Huawei devices: | + | {{:icon_help.png? |
- | > → //Settings > Power usage firewall > Close excessively power-intensive apps// | + | |
- | > → //Settings > Lock screen cleanup > be sure the application is not selected// | + | |
- | > → //Settings > Apps > Settings (bottom of the page) > Special access > Ignore optimisations > Change to all apps// | + | |
- | > For Xiaomi/Vivo devices ([[https:// | + | |
- | > → //Settings > App Settings > Permissions > Autostart// | + | |
- | > → //Settings > App Settings > Permissions > Other permissions > Permissions > Start in background// | + | |
- | > → //Settings > Battery > Manage apps battery usage > No restrictions// | + | |
- | > For other devices: | + | |
- | > → //Settings > Battery > Battery Optimization// | + | |
- | For some devices | + | __Example on Samsung devices__: |
+ | * In your devices | ||
+ | * Tap the top/right menu icon {{: | ||
- | **Track incompletely recorded**\\ | + | {{ : |
- | Starting with Android 6, when the system thinks the device is not used it can automatically halt running applications for some time to reduce battery usage. During this time (called "doze" mode), the application is no more able to record the track, leading to skipped parts of the path. Hopefully, you can prevent this behavior by disabling the doze mode for the application from your system' | + | |
+ | * Tap " | ||
+ | * Tap on the " | ||
+ | * Locate and un-check " | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | \\ | ||
+ | |||
+ | __Example on Huawei devices__: | ||
+ | * In your devices settings, tap " | ||
+ | * At the bottom of the applications list, tap " | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | * Tap " | ||
+ | * Tap on the " | ||
+ | * Locate and tap " | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | An alternative how-to [[http:// | ||
+ | |||
+ | {{: | ||
+ | |||
+ | \\ | ||
+ | |||
+ | ===== Problems with the track recorder ===== | ||
+ | |||
+ | ==== Track not correctly recorded when the screen is turned off ==== | ||
+ | On top of the Android battery optimization tools, some brands also include their own tools that may disable the use of GPS or network for background applications, | ||
+ | |||
+ | __For Huawei devices__: | ||
+ | * In your devices settings, tap " | ||
+ | * Be sure not to have activated the " | ||
+ | * Be sure not to have the AlpineQuest listed in the " | ||
+ | * Tap on the " | ||
+ | * Un-check " | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | __For Xiaomi/Vivo devices__: ([[https:// | ||
+ | * In your devices settings, tap " | ||
+ | * In the battery saver category, tap " | ||
+ | * Locate and tap " | ||
+ | * Tap " | ||
+ | * Tap the top application name {{: | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | __For some other devices__: | ||
> → //Settings > Battery > Battery Optimization// | > → //Settings > Battery > Battery Optimization// | ||
+ | > → //Settings > Battery > Manage apps battery usage > No restrictions// | ||
- | Under "All apps", select " | + | For some devices (like Huawei Mate 10), a system update can also fix this problem. |
+ | |||
+ | ==== The track recorder service stops ==== | ||
- | **The track recorder service stops**\\ | ||
In addition of being closed by the system as seen before, some " | In addition of being closed by the system as seen before, some " | ||
- | **Loss of the GPS signal**\\ | + | ==== Loss of the GPS signal |
A common issue when recording a track is the loss of the GPS signal, leading to a missing part in the recorded track (seen as a straight line longer than usual). It usually happens because the device doesn' | A common issue when recording a track is the loss of the GPS signal, leading to a missing part in the recorded track (seen as a straight line longer than usual). It usually happens because the device doesn' | ||
- | **Device gets hot**\\ | + | ==== Recorded track doesn' |
+ | |||
+ | Some devices perform better than others when using the GPS, depending on the quality of the hardware used and the internal conception (placement of the GPS chip inside the device). Some devices require a stronger GPS signal to give an acceptable accuracy. For example, here is the same track recorded at the same time by two different devices (one in the left pocket, one in the right) during a small outside walk with occasional stays inside buildings. We can see that the Samsung Galaxy S9 {{: | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | ==== Device gets hot ==== | ||
Tracking a path requires frequent GPS location updates and some devices (mainly old or low-cost ones, but not always) doesn' | Tracking a path requires frequent GPS location updates and some devices (mainly old or low-cost ones, but not always) doesn' | ||
* The device becomes more hot than usual; | * The device becomes more hot than usual; |