MainFragment: Add connecting state.

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

@@ -28,12 +28,14 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Button
+import android.widget.TextView
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
 import de.ccc.events.badge.card10.CARD10_BLUETOOTH_MAC_PREFIX
 import de.ccc.events.badge.card10.R
 import de.ccc.events.badge.card10.common.ConnectionService
+import de.ccc.events.badge.card10.common.GattListener
 import de.ccc.events.badge.card10.filetransfer.FileTransferFragment
 import de.ccc.events.badge.card10.hatchery.AppListFragment
 import de.ccc.events.badge.card10.mood.MoodFragment
@@ -41,8 +43,10 @@ import de.ccc.events.badge.card10.scanner.ScannerFragment
 import de.ccc.events.badge.card10.sparkle.BeautifulFragment
 import de.ccc.events.badge.card10.time.TimeUpdateDialog
 import kotlinx.android.synthetic.main.main_fragment.*
+import java.lang.IllegalStateException
+import java.sql.Connection
 
-class MainFragment : Fragment() {
+class MainFragment : Fragment(), GattListener {
     private val bluetoothAdapter = BluetoothAdapter.getDefaultAdapter()
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?) =
@@ -62,16 +66,18 @@ class MainFragment : Fragment() {
             dialogFragment.dismiss()
         }
 
+        ConnectionService.addGattListener("main", this)
+
         val bondedCard10s =
             bluetoothAdapter.bondedDevices.filter { it.address.startsWith(CARD10_BLUETOOTH_MAC_PREFIX, true) }
 
         if (bondedCard10s.isNotEmpty()) {
-            val device = bondedCard10s[0]
-            label_status.text = getString(R.string.main_label_paired, device.name, device.address)
-            showConnectedView(view)
+            val ctx = activity ?: throw IllegalStateException()
+            ConnectionService.connect(ctx)
+            showConnectingView()
         } else {
             label_status.text = getString(R.string.main_label_not_connected)
-            showDisconnectedView(view)
+            showDisconnectedView()
         }
     }
 
@@ -82,14 +88,37 @@ class MainFragment : Fragment() {
             .commit()
     }
 
-    private fun showConnectedView(view: View) {
-        view.findViewById<ConstraintLayout>(R.id.container_connected).visibility = View.VISIBLE
-        view.findViewById<ConstraintLayout>(R.id.container_disconnected).visibility = View.GONE
-        view.findViewById<Button>(R.id.button_pair).text = getString(R.string.main_button_manage_pairings)
+    private fun showConnectedView() {
+        activity?.runOnUiThread {
+            container_connected.visibility = View.VISIBLE
+            container_disconnected.visibility = View.GONE
+            button_pair.text = getString(R.string.main_button_manage_pairings)
+
+            button_hatchery.isEnabled = true
+            button_send.isEnabled = true
+            button_mood.isEnabled = true
+            button_beautiful.isEnabled = true
+            button_set_time.isEnabled = true
+
+            val device = ConnectionService.device
+            label_status.text = getString(R.string.main_label_connected, device?.name, device?.address)
+        }
+    }
+
+    private fun showConnectingView() {
+        val device = ConnectionService.device
+        label_status.text = getString(R.string.main_label_connecting, device?.name, device?.address)
+        button_pair.text = getString(R.string.main_button_manage_pairings)
+    }
+
+    private fun showDisconnectedView() {
+        container_connected.visibility = View.GONE
+        container_disconnected.visibility = View.VISIBLE
+
+        button_pair.text = getString(R.string.main_button_pair)
     }
 
-    private fun showDisconnectedView(view: View) {
-        view.findViewById<ConstraintLayout>(R.id.container_connected).visibility = View.GONE
-        view.findViewById<ConstraintLayout>(R.id.container_disconnected).visibility = View.VISIBLE
+    override fun onConnectionReady() {
+        showConnectedView()
     }
 }

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

@@ -52,7 +52,8 @@
                 android:text="@string/main_button_browse_apps"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toTopOf="parent"/>
+                app:layout_constraintTop_toTopOf="parent"
+                android:enabled="false"/>
 
         <Button android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -62,7 +63,8 @@
                 android:text="@string/main_button_send_file"
                 app:layout_constraintLeft_toLeftOf="parent"
                 app:layout_constraintRight_toRightOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/button_hatchery"/>
+                app:layout_constraintTop_toBottomOf="@+id/button_hatchery"
+                android:enabled="false"/>
 
         <Button android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -72,7 +74,8 @@
                 android:text="@string/main_button_mood"
                 app:layout_constraintTop_toBottomOf="@+id/button_send"
                 app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"/>
+                app:layout_constraintRight_toRightOf="parent"
+                android:enabled="false"/>
 
         <Button android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -82,7 +85,8 @@
                 android:text="@string/main_button_beautiful"
                 app:layout_constraintTop_toBottomOf="@+id/button_mood"
                 app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"/>
+                app:layout_constraintRight_toRightOf="parent"
+                android:enabled="false"/>
 
         <Button android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -92,7 +96,8 @@
                 android:text="@string/main_button_set_time"
                 app:layout_constraintTop_toBottomOf="@+id/button_beautiful"
                 app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"/>
+                app:layout_constraintRight_toRightOf="parent"
+                android:enabled="false"/>
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 

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

@@ -3,7 +3,8 @@
 
     <string name="main_label_paired">You are paired to %1$s (%2$s)</string>
     <string name="main_label_not_connected">You are currently not connected to your card10.</string>
-    <string name="main_label_status">You are connected to %1$s (%2$s)</string>
+    <string name="main_label_connected">You are connected to %1$s (%2$s)</string>
+    <string name="main_label_connecting">Connecting to %1$s (%2$s)</string>
     <string name="main_button_pair">Pair</string>
     <string name="main_button_manage_pairings">Manage Paired Devices</string>
     <string name="main_button_browse_apps">Browse Apps</string>