Update compile and target sdk to 35 (#254)

Author: Fabtron

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
-compileSdk = "34"
-targetSdk = "34"
+compileSdk = "35"
+targetSdk = "35"
 minSdk = "21"
 gradlePlugin = "8.9.2"
 kotlin = "2.0.20"

ui-toolkit/src/main/kotlin/io/snabble/sdk/widgets/snabble/version/ui/VersionWidget.kt

@@ -76,7 +76,7 @@ private fun provideAppVersion(context: Context): String {
         @Suppress("DEPRECATION")
         context.packageManager.getPackageInfo(context.packageName, 0)
     }
-    return packageInfo.versionName
+    return packageInfo.versionName ?: ""
 }
 
 @Preview

ui/src/main/res/layout/snabble_activity_simple_fragment_with_toolbar.xml

@@ -8,6 +8,7 @@
 
     <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/app_bar_layout"
+        android:fitsSystemWindows="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">