docs: barcode setting + setup guide

Author: mhaeming

README.md

@@ -20,21 +20,10 @@ This is the code repository for the Android app developed in the studyproject Se
 		commit id: "Prepare for codebase transfer"
 ```
 
-# Documentation
-
-## Running locally
-- Install Python
-- `pip install -r docs/requirements.txt`
-
-Run the documentation server via 
-```bash
-$ mkdocs serve
-```
-
 
 # Building the app locally
 Requirements:
-- At least Java 8 JDK installed
+- At least Java 17 JDK installed
 - Create a `local.properties` file at the root of this repository with the following content
 
 ```bash
@@ -56,3 +45,15 @@ The resulting installable application can be found under
 `app/build/outputs/apk/debug/app-debug.apk`
 
 which you can copy and install on your device.
+
+# Documentation
+
+## Running locally
+- Install Python
+- `pip install -r docs/requirements.txt`
+
+Run the documentation server via 
+```bash
+$ mkdocs serve
+```
+

docs/architecture/activities/SettingsActivity.md

@@ -7,6 +7,9 @@ default theme corresponds to the phone’s system settings. The chosen theme is
 activated by navigating back to the Main Activity. The button is always labeled with the
 currently active setting so as not to have too much visual input.
 
+- *BARCODE SERVICE SETTINGS*: Toggles the Barcode Scanning Service "on" or "off". Changes will
+take effect when you change back into the Main Activity.
+
 ## Voice Commands
 - "GO TO [DESIRED ACTIVITY NAME]": Navigates to the desired activity.
 - "CHANGE THEME [THEME CHOICE]: Changes the theme to the theme choice.

docs/installation/android_studio_setup.md

@@ -1 +1,5 @@
-t.b.d.
+## Google Maps API Key
+After cloning the repository, make sure to add a `local.properties` file to your project which contains the `MAPS_API_KEY` environment variable. You can get a key from the [Google Maps Platform](https://developers.google.com/maps/documentation/embed/get-api-key).
+
+!!! info
+    If you don't plan to use any navigation or location search feature, just set it to an empty or arbitrary string.