Add version to About screen

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/AboutActivity.java

@@ -20,6 +20,7 @@ package nodomain.freeyourgadget.gadgetbridge.activities;
 import android.os.Bundle;
 import android.text.method.LinkMovementMethod;
 import android.widget.TextView;
+import nodomain.freeyourgadget.gadgetbridge.BuildConfig;
 
 import nodomain.freeyourgadget.gadgetbridge.R;
 
@@ -29,6 +30,10 @@ public class AboutActivity extends AbstractGBActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_about);
+        TextView about_version = findViewById(R.id.about_version);
+        String versionName = BuildConfig.VERSION_NAME;
+        about_version.setText(String.format(getString(R.string.about_version), versionName));
+
         TextView link1 = findViewById(R.id.links1);
         link1.setMovementMethod(LinkMovementMethod.getInstance());
         TextView link2 = findViewById(R.id.links2);

app/src/main/res/layout/activity_about.xml

@@ -12,7 +12,7 @@
         android:layout_centerInParent="true"
         android:alpha="0.1"
         android:contentDescription="@string/icon_placeholder"
-        android:tint="?attr/textColorPrimary"
+        app:tint="?attr/textColorPrimary"
         app:srcCompat="@drawable/gadgetbridge_img" />
 
     <ScrollView
@@ -48,6 +48,11 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:text="@string/about_description" />
+
+                <TextView
+                    android:id="@+id/about_version"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" />
             </LinearLayout>
 
             <TextView

app/src/main/res/values/strings.xml

@@ -930,6 +930,7 @@
     <string name="codeberg_url" translatable="false">Code: <a href="https://codeberg.org/Freeyourgadget/Gadgetbridge">https://codeberg.org/Freeyourgadget/Gadgetbridge</a></string>
     <string name="fdroid_url" translatable="false">F-Droid: <a href="https://f-droid.org/packages/nodomain.freeyourgadget.gadgetbridge/">https://f-droid.org/packages/nodomain.freeyourgadget.gadgetbridge/</a></string>
     <string name="about_title">About</string>
+    <string name="about_version">Version %s</string>
     <string name="about_activity_title">About Gadgetbridge</string>
     <string name="about_description">Cloudless copylefted libre replacement for closed source Android gadget apps from vendors.</string>
     <string name="about_core_team_title">Core Team (in order of first code contribution)</string>