DiaconnG8BLEScanActivity: toolbar

pump/diaconn/src/main/AndroidManifest.xml

@@ -18,7 +18,7 @@
         <activity
             android:name=".activities.DiaconnG8BLEScanActivity"
             android:exported="false"
-            android:theme="@style/AppTheme.NoActionBar">
+            android:theme="@style/AppTheme">
             <intent-filter>
                 <action android:name="info.nightscout.androidaps.plugins.PumpDiaconnG8.activities.DiaconnG8BLEScanActivity" />
                 <category android:name="android.intent.category.DEFAULT" />

pump/diaconn/src/main/java/info/nightscout/pump/diaconn/activities/DiaconnG8BLEScanActivity.kt

@@ -18,11 +18,15 @@ import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
 import android.os.ParcelUuid
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import android.widget.BaseAdapter
 import android.widget.TextView
 import androidx.core.app.ActivityCompat
+import androidx.core.view.MenuProvider
 import info.nightscout.core.ui.activities.TranslatedDaggerAppCompatActivity
 import info.nightscout.core.ui.toast.ToastUtils
 import info.nightscout.core.utils.extensions.safeEnable
@@ -57,12 +61,31 @@ class DiaconnG8BLEScanActivity : TranslatedDaggerAppCompatActivity() {
         setContentView(binding.root)
         requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
 
+        title = getString(R.string.diaconn_pairing)
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        supportActionBar?.setDisplayShowHomeEnabled(true)
+
         blePreCheck.prerequisitesCheck(this)
 
         listAdapter = ListAdapter()
         binding.bleScannerListview.emptyView = binding.bleScannerNoDevice
         binding.bleScannerListview.adapter = listAdapter
         listAdapter?.notifyDataSetChanged()
+
+        // Add menu items without overriding methods in the Activity
+        addMenuProvider(object : MenuProvider {
+            override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {}
+
+            override fun onMenuItemSelected(menuItem: MenuItem): Boolean =
+                when (menuItem.itemId) {
+                    android.R.id.home -> {
+                        onBackPressedDispatcher.onBackPressed()
+                        true
+                    }
+
+                    else              -> false
+                }
+        })
     }
 
     override fun onResume() {

pump/diaconn/src/main/res/layout/diaconn_g8_blescanner_activity.xml

@@ -7,33 +7,6 @@
     android:orientation="vertical"
     tools:context=".activities.DiaconnG8BLEScanActivity">
 
-    <RelativeLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:background="?attr/activity_title_backgroundColor"
-        android:orientation="horizontal"
-        android:padding="5dp">
-
-        <ImageView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:importantForAccessibility="no"
-            app:srcCompat="@drawable/ic_bluetooth_white_48dp" />
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_centerInParent="true"
-            android:layout_gravity="center"
-            android:layout_marginStart="10dp"
-            android:layout_marginEnd="10dp"
-            android:text="@string/diaconn_pairing"
-            android:textAlignment="center"
-            android:textAppearance="?android:attr/textAppearanceLarge" />
-
-    </RelativeLayout>
-
     <ListView
         android:id="@+id/ble_scanner_listview"
         android:layout_width="match_parent"