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--- manual:faq:gps_lost_fix_android6 [2020/03/16 15:10] – [Samsung] mstupka
+++ manual:faq:gps_lost_fix_android6 [2022/04/08 16:00] (current) – mstupka
@@ Line 2: / Line 2: @@
 ----
-More and more users have been reporting issues with **losing GPS signal** during track recording when their device goes stand by even in case Locus is set NOT to switch GPS off in stand-by mode (when the display goes off). Some devices even **kill Locus completely**. All of these reports regard devices running on Android 5+.
+More and more users have been reporting issues with **losing GPS signal** during track recording when their device goes standby, resulting in direct lines instead of accurately recorded tracks. **What to do to avoid it?**
-===== System battery optimization mode =====
+===== Allow Locus to access GPS any time =====
-The most probable reason of this is some kind of **battery saving mode** or other **performance optimizing setting** in your device. The mode can be named differently depending on the device manufacturer. The battery saving modes prevent the device from connecting to networks and switch off your device sensors including GPS unit - **this setting overrides Locus settings**.
+The operating system must be set for Locus Map **NOT to switch GPS off in standby mode** (when the display goes off). Android 10 goes even a bit further:
+==== Android 10 ====
+This OS version divides permission to access GPS location into three modes:
+  * **no access** - the app is unable to get accurate location ever
+  * **only when the app is used** - Locus Map can get GPS location only when the display is on and Locus is "used", i.e. manipulated directly on the screen. When the display goes off, Locus loses the GPS location and can't record tracks, navigate, share location in real-time over Live tracking, etc.
+  * **all the time** - the only mode in which Locus Map is permitted to run correctly in the background so please **USE THIS MODE!** It doesn't mean Locus is connected to GPS all the time though - only when it needs it so don't worry about the battery consumption.
-If you experience any loss of GPS signal in stand-by mode, please check your device battery saving or optimization settings. Either **switch the saving mode completely** or **make an exclusion for Locus** if it is possible.
+==== Android 11 ====
+This OS version goes even further. The "all the time" permission is **not included in the system app permissions**. You can select only "while using this app" or "ask every time":\\ {{ :manual:faq:loc_permission01.png?nolink |}}\\ When you **launch Locus Map** and start some feature that runs in the background (voice navigation, track recording, live tracking...), Locus displays a compulsory warning:\\ {{ :manual:faq:loc_permission02.png?nolink |}}. Then you are prompted to **allow all-time access to the location** in the system settings:\\ {{ :manual:faq:loc_permission03.png?nolink |}}\\ {{ :manual:faq:loc_permission04.png?nolink |}}
+<WRAP center round important>
+This setting, however, is not permanent. **After not using the app for some time (e.g. three months), the "all-time" access permission is taken away** and you have to go through this procedure again.
+</WRAP>
+===== Exclude Locus from battery optimization =====
+**Battery saving modes** or other **performance-optimizing settings** in your device kill apps they consider unused or redundant, no matter the app is running in the background on the user's request. The mode can be named differently depending on the device manufacturer. There are two ways how to prevent this - either **switch the saving mode completely OFF** or **make an exclusion for Locus** if it is possible.
 Here are a few device specific instructions:
@@ Line 27: / Line 39: @@
 There are several tips. Check out which one fits for your device:
   * Settings > Apps > Advanced > Ignore optimizations > All apps > disable optimizations for Locus Map
-  * Settings > Apps > Settings button > Special access > Ignore optimizations > Locus Map Free/Pro > Allow
+  * Settings > Apps > Settings button > Special access > Ignore optimizations > Locus Map Classic > Allow
   * Settings > Battery > 'disable' Power saving mode, 'disable' Ultra power saving
   * Settings > Battery > Settings button > 'disable' close excessively power-intensive apps
-  * Settings > Battery > Close apps after screen lock > 'disable' for Locus Map Free/Pro and all related add-ons, like e.g. [[manual:user_guide:geocaching:import|Geocaching4Locus]]
+  * Settings > Battery > Close apps after screen lock > 'disable' for Locus Map Classic and all related add-ons, like e.g. [[manual:user_guide:geocaching:import|Geocaching4Locus]]
 Tips also on [[https://support.strava.com/hc/en-us/articles/216942547-How-to-fix-GPS-recording-issues-on-Huawei-phones|Strava support site >>]]
 === Huawei/Honor Android 8+ ===
-  * phone settings > apps > Settings button > Special access > Ignore optimizations > Locus Map Free/Pro > Allow
+  * phone settings > apps > Settings button > Special access > Ignore optimizations > Locus Map Classic > Allow
   * phone settings > battery > 'disable' Power saving mode, 'disable' Ultra power saving
   * phone settings > battery > App launch > 'disable' automatic and keep all three 'manual' settings enabled
@@ Line 60: / Line 72: @@
       * lock Locus Map in RAM when you want to use it in background: start Locus Map > minimize it > open RAM manager > drag Locus icon downwards and tap the lock icon
       * //Optional if nothing above helps//: Settings > Additional settings > Developer options (this option is activated after several taps on phone info > MIUI version) > turn OFF RAM optimization
+    * **MIUI 12+**
+      * settings > Manage apps > Locus Map:
+      * **Autostart ON**
+      * App permissions > **Location ON**
+      * Battery saver > **NO RESTRICTIONS**
+      * lock Locus Map in RAM - start Locus Map > minimize it > open RAM manager > long tap Locus box > **tap the lock icon**
+      * we strongly recommend allowing all available system permissions to Locus for a smooth run
 <WRAP round tip 60%>
@@ Line 71: / Line 90: @@
 There are also third-party apps that can maintain your battery optimization and may kill Locus or GPS unit.
 ==== Greenify ====
-Greenify has some special settings (labeled experimental), that enhance new Android 6 power saving strategies. These power saving strategies are labeled "shallow hibernation" and "aggressive doze". The "aggressive doze" mode contains also a white list of apps that are excluded from the mode and Locus is likely to be put here for the above mentioned reasons. Unfortunately, this white listing does not work. After 5 minutes after your device enters doze mode Locus track recording is killed. Therefore, we recommend not to use this aggressive mode or the app as a whole.
+Greenify has some special settings (labeled experimental), that enhance new Android 6 power-saving strategies. These power-saving strategies are labeled "shallow hibernation" and "aggressive doze". The "aggressive doze" mode contains also a white list of apps that are excluded from the mode and Locus is likely to be put here for the above-mentioned reasons. Unfortunately, this whitelisting does not work. After 5 minutes after your device enters doze mode Locus track recording is killed. Therefore, we recommend not to use this aggressive mode or the app as a whole.
 ===== Universal solution? =====
 ==== Memory Locker ====
-Recently we discovered an application that can lock Locus (and other apps of your choice) in your device RAM. It's called **Memory Locker** and is available at **[[https://play.google.com/store/apps/details?id=com.smartprojects.MemoryLocker|Google Play Store]]**. We have tested only a few devices with this app and it looks promising. However, as this is a third party app, we have no responsibility for nor influence on the app performance.
+Recently we discovered an application that can lock Locus (and other apps of your choice) in your device's RAM. It's called **Memory Locker** and is available at **[[https://play.google.com/store/apps/details?id=com.smartprojects.MemoryLocker|Google Play Store]]**. We have tested only a few devices with this app and it looks promising. However, as this is a third-party app, we have no responsibility for nor influence on the app performance.
 ==== GPS Locker ====
-This app is able to lock system GPS ON so that the operation system can not kill it - we recommend in cases Locus loses GPS signal in standby mode and none of previously mentioned methods helped. The app is available at **[[https://play.google.com/store/apps/details?id=com.silentlexx.gpslock|Google Play Store >>]]**
+This app is able to lock the system's GPS ON so that the operating system can not kill it - we recommend in cases Locus loses GPS signal in standby mode and none of the previously mentioned methods helped. The app is available at **[[https://play.google.com/store/apps/details?id=com.silentlexx.gpslock|Google Play Store >>]]**
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