MainFragment: Button for pairing (invokes ScannerFragment)

app/src/main/java/de/ccc/events/badge/card10/main/MainFragment.kt

@@ -32,6 +32,8 @@ import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.fragment.app.Fragment
 import de.ccc.events.badge.card10.R
 import de.ccc.events.badge.card10.common.ConnectionService
+import de.ccc.events.badge.card10.scanner.ScannerFragment
+import kotlinx.android.synthetic.main.main_fragment.*
 
 class MainFragment : Fragment() {
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?) =
@@ -66,6 +68,13 @@ class MainFragment : Fragment() {
         val tvStatus = view.findViewById<TextView>(R.id.label_status)
         tvStatus.text = getString(R.string.main_label_not_connected)
 
+        button_pair.setOnClickListener {
+            fragmentManager!!.beginTransaction()
+                .replace(R.id.fragment_container, ScannerFragment())
+                .addToBackStack(null)
+                .commit()
+        }
+
         val buttonConnect = view.findViewById<Button>(R.id.button_connect)
         buttonConnect.setOnClickListener {
             // TODO: Open scan fragment

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

@@ -12,7 +12,7 @@
             android:src="@drawable/card10_logo_text"
             app:layout_constraintLeft_toLeftOf="parent"
             app:layout_constraintRight_toRightOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            app:layout_constraintTop_toTopOf="parent"/>
 
     <TextView android:layout_width="wrap_content"
               android:layout_height="wrap_content"
@@ -21,7 +21,7 @@
               android:gravity="center"
               app:layout_constraintLeft_toLeftOf="parent"
               app:layout_constraintRight_toRightOf="parent"
-              app:layout_constraintTop_toBottomOf="@+id/image_logo" />
+              app:layout_constraintTop_toBottomOf="@+id/image_logo"/>
 
     <androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent"
                                                        android:layout_height="wrap_content"
@@ -35,7 +35,7 @@
 
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toTopOf="parent" />
+                app:layout_constraintTop_toTopOf="parent"/>
 
         <Button android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -45,7 +45,7 @@
 
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/button_hatchery" />
+                app:layout_constraintTop_toBottomOf="@+id/button_hatchery"/>
 
         <Button android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -55,20 +55,27 @@
 
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/button_send" />
+                app:layout_constraintTop_toBottomOf="@+id/button_send"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
 
     <androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent"
                                                        android:layout_height="wrap_content"
                                                        app:layout_constraintTop_toBottomOf="@+id/label_status"
                                                        android:id="@+id/container_disconnected">
-        <Button android:id="@+id/button_connect"
+        <Button android:id="@+id/button_pair"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="@string/main_button_connect"
+                android:text="pair"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent"/>
 
+        <Button android:id="@+id/button_connect"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/main_button_connect"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintLeft_toRightOf="@id/button_pair"/>
+
     </androidx.constraintlayout.widget.ConstraintLayout>
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>