added version to information (#139)

Co-authored-by: Jakob Möller <jakob.moeller@sap.com>

Corona-Warn-App/src/main/java/de/rki/coronawarnapp/util/formatter/FormatterInformationHelper.kt

+@file:JvmName("FormatterInformationHelper")
+
+package de.rki.coronawarnapp.util.formatter
+
+import de.rki.coronawarnapp.BuildConfig
+import de.rki.coronawarnapp.CoronaWarnApplication
+import de.rki.coronawarnapp.R
+
+fun formatVersion(): String {
+    val appContext = CoronaWarnApplication.getAppContext()
+    val versionName: String = BuildConfig.VERSION_NAME
+    return appContext.getString(R.string.information_version).format(versionName)
+}

Corona-Warn-App/src/main/res/layout/fragment_information.xml

@@ -2,6 +2,12 @@
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterInformationHelper" />
+
+    </data>
+
     <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent"
@@ -94,6 +100,17 @@
                 app:layout_constraintTop_toBottomOf="@+id/information_technical"
                 app:title="@{@string/information_legal_title}" />
 
+            <TextView
+                android:id="@+id/information_version"
+                style="@style/textMultiline"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_small"
+                android:text="@{FormatterInformationHelper.formatVersion()}"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/information_legal" />
+
             <androidx.constraintlayout.widget.Guideline
                 android:id="@+id/guideline_top"
                 android:layout_width="wrap_content"

Corona-Warn-App/src/main/res/values/strings.xml

@@ -315,6 +315,7 @@
     ###################################### -->
     <!-- XHED: Page title for menu information page -->
     <string name="information_title">App-Informationen</string>  <!-- final -->
+    <string name="information_version">Version: %1s</string>
     <!-- XHED: Page title for about information page, also menu item / button text -->
     <string name="information_about_title">Über die App</string>  <!-- final -->
     <!-- XHED: Subtitle for about information page -->
@@ -526,5 +527,4 @@
 
     <!-- TODO: Remove or change this placeholder text -->
     <string name="hello_blank_fragment">Hello blank fragment</string>
-
 </resources>

Corona-Warn-App/src/test/java/de/rki/coronawarnapp/service/submission/SubmissionServiceTest.kt

@@ -22,4 +22,4 @@ class SubmissionServiceTest {
             nullValue()
         )
     }
-}
\ No newline at end of file
+}