Show full version name based upon git describe --tags on startup and also in AboutActivity.

build.gradle

@@ -52,7 +52,8 @@ android {
         applicationId "de.dennisguse.opentracks"
         //Useful for debugging.
         //versionCode getVersionCode()
-        //versionName getVersionName()
+
+        buildConfigField "String", "VERSION_NAME_FULL", "\"${getVersionName()}\""
 
         minSdkVersion 21
         targetSdkVersion 29

src/main/java/de/dennisguse/opentracks/Startup.java

@@ -15,7 +15,7 @@ public class Startup extends Application {
         super.onCreate();
 
         //Include version information into stack traces.
-        Log.i(TAG, BuildConfig.APPLICATION_ID + "; BuildType: " + BuildConfig.BUILD_TYPE + "; VersionName: " + BuildConfig.VERSION_NAME + " VersionCode: " + BuildConfig.VERSION_CODE);
+        Log.i(TAG, BuildConfig.APPLICATION_ID + "; BuildType: " + BuildConfig.BUILD_TYPE + "; VersionName: " + BuildConfig.VERSION_NAME + "/" + BuildConfig.VERSION_NAME_FULL + " VersionCode: " + BuildConfig.VERSION_CODE);
 
         //Set default values of preferences on first start.
         PreferencesUtils.resetPreferences(this, false);

src/main/java/de/dennisguse/opentracks/util/SystemUtils.java

@@ -49,7 +49,7 @@ public class SystemUtils {
     public static String getAppVersionName(Context context) {
         try {
             PackageInfo pi = context.getPackageManager().getPackageInfo(BuildConfig.APPLICATION_ID, PackageManager.GET_META_DATA);
-            return pi.versionName;
+            return pi.versionName + "/" + BuildConfig.VERSION_NAME_FULL;
         } catch (NameNotFoundException e) {
             Log.w(TAG, "Failed to get version info.", e);
             return "";