Merge pull request 'Android Notification - First Cut' (#391) from android_tests into master

Reviewed-on: https://git.openprivacy.ca/cwtch.im/ui/pulls/391

ANDROID_DEBUGGING.md

@@ -79,4 +79,11 @@ Theoretically speaking it should be possible to use `ANDROID_EXTRA_PLUGINS` to i
 SVG images on Android. However, we have been unable to make it work. If you would like to try, the following
 issues might be helpful:
 
-* https://bugreports.qt.io/browse/QTBUG-60022
+* https://bugreports.qt.io/browse/QTBUG-60022
+
+## Notifications
+
+- Android 8 (API Level 26) forces you to call setChannelId() 
+- Android 9 "Do Not Disturb" mode also hides all notifications 
+- Setting up notification channels only seems possible *once* per install. any changes you need to make
+require that the app is reinstalled, or the actual channel deleted and changed.

android/src/ca/openprivacy/cwtch/ui/CwtchActivity.java

@@ -23,20 +23,13 @@ import static android.app.Notification.CATEGORY_SERVICE;
 public class CwtchActivity extends org.qtproject.qt5.android.bindings.QtActivity
 {
     private static NotificationManager m_notificationManager;
-    private static Notification.Builder m_builder;
     private static Notification.Builder m_builderOngoing;
     private static CwtchActivity m_instance;
 
-    private static int PRIORITY_MIN = -2; // From NotificationCompat
-    private static int PRIORITY_DEFAULT = 0; // From NotificationCompat
-
     private static String NOTIFICATION_CHANNEL_ID = "cwtch_notification_channel";
+    private static int CONTENT_NOTIFICATION_ID = 2;
+    private static String CONTENT_NOTIFICATION_ID_NAME = "Notifications from Peers";
 
-    private static int ONGOING_NOTIFICATION_ID = 0;
-    private static String ONGOING_NOTIFICATION_ID_NAME = "ongoing";
-
-    private static int CONTENT_NOTIFICATION_ID = 1;
-    private static String CONTENT_NOTIFICATION_ID_NAME = "content";
 
 
     public CwtchActivity() {
@@ -57,66 +50,47 @@ public class CwtchActivity extends org.qtproject.qt5.android.bindings.QtActivity
         }
     }
 
-    public static void notify(String s)
+    public static void notify(String s, String o)
     {
         if (m_notificationManager == null) {
             m_notificationManager = (NotificationManager)m_instance.getSystemService(Context.NOTIFICATION_SERVICE);
             createNotificationChannel();
         }
 
-        if (m_builder == null) {
-            m_builder = new Notification.Builder(m_instance);
-            m_builder.setSmallIcon(R.drawable.ic_launcher);
-            m_builder.setContentTitle("Cwtch");
-            m_builder.setPriority(PRIORITY_DEFAULT);
+        // Apparently thr android documentation is just wrong and we need to provide a setGroupSummary
+        // notification regardless of targetted support version...
+         Notification groupSummary =
+            new Notification.Builder(m_instance)
+                    .setContentTitle("Cwtch")
+                    .setContentText("New Message from Peer: " + o)
+                    .setGroupSummary(true)
+                    .setWhen(System.currentTimeMillis())
+                    .setSmallIcon(R.drawable.ic_launcher)
+                    .setGroup(NOTIFICATION_CHANNEL_ID)
+                    .setChannelId(NOTIFICATION_CHANNEL_ID)
+                    .build();
+        m_notificationManager.notify(1, groupSummary);
+
+        Notification.Builder m_builder = new Notification.Builder(m_instance)
+            .setSmallIcon(R.drawable.ic_launcher)
+            .setChannelId(NOTIFICATION_CHANNEL_ID)
+            .setGroup(NOTIFICATION_CHANNEL_ID)
+            .setWhen(System.currentTimeMillis())
+            .setAutoCancel(true)
+            .setContentTitle("New Message from Peer: " + o)
+            .setContentText("[redacted:  Open Cwtch App to see the Message]");
+        m_notificationManager.notify(CONTENT_NOTIFICATION_ID++, m_builder.build());
 
-        }
-
-        m_builder.setContentText(s);
-        m_notificationManager.notify(CONTENT_NOTIFICATION_ID, m_builder.build());
-    }
 
-    public static void ongoingNotify(String s)
-    {
-        if (m_notificationManager == null) {
-            m_notificationManager = (NotificationManager)m_instance.getSystemService(Context.NOTIFICATION_SERVICE);
-            createNotificationChannel();
-        }
 
-        if (m_builderOngoing == null) {
-            m_builderOngoing = new Notification.Builder(m_instance);
-            m_builderOngoing.setSmallIcon(R.drawable.ic_launcher);
-            m_builderOngoing.setContentTitle("Cwtch");
-            m_builderOngoing.setPriority(PRIORITY_MIN);
-
-            m_builderOngoing.setWhen(0); // Don't show the time
-            m_builderOngoing.setOngoing(true);
-            if (SDK_INT >= 21) {
-                        m_builderOngoing.setCategory(CATEGORY_SERVICE);
-                        //m_builder.setVisibility(VISIBILITY_SECRET);
-            }
-
-        }
-
-        m_builderOngoing.setContentText(s);
-        m_notificationManager.notify(ONGOING_NOTIFICATION_ID, m_builderOngoing.build());
     }
 
     private static void createNotificationChannel() {
         // Create the NotificationChannel, but only on API 26+ because
         // the NotificationChannel class is new and not in the support library
         if (SDK_INT >= 26) {
-            String description = "Cwtch Ongoing Notification Channel";
-            int importance = NotificationManager.IMPORTANCE_LOW;
-            NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, ONGOING_NOTIFICATION_ID_NAME, importance);
-            channel.setDescription(description);
-            // Register the channel with the system; you can't change the importance
-            // or other notification behaviors after this
-            m_notificationManager.createNotificationChannel(channel);
-
-            description = "Cwtch Content Notification Channel";
-            importance = NotificationManager.IMPORTANCE_DEFAULT;
-            channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, CONTENT_NOTIFICATION_ID_NAME, importance);
+            String description = "Cwtch Notification Channel";
+            NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, CONTENT_NOTIFICATION_ID_NAME, NotificationManager.IMPORTANCE_HIGH);
             channel.setDescription(description);
             // Register the channel with the system; you can't change the importance
             // or other notification behaviors after this

go/handlers/peerHandler.go

@@ -58,7 +58,6 @@ func PeerHandler(onion string, uiManager ui.Manager, subscribed chan bool) {
 		case event.NewMessageFromPeer: //event.TimestampReceived, event.RemotePeer, event.Data
 			ts, _ := time.Parse(time.RFC3339Nano, e.Data[event.TimestampReceived])
 			uiManager.StoreAndNotify(peer, e.Data[event.RemotePeer], e.Data[event.Data], ts, onion)
-
 		case event.PeerAcknowledgement:
 			uiManager.Acknowledge(e.Data[event.RemotePeer], e.Data[event.EventID])
 

go/ui/android/CwtchActivity.go

@@ -11,6 +11,7 @@ type CwtchActivity struct {
 
 	_ func() `constructor:"init"`
 
+	_ string `property:"channel"`
 	_ string `property:"notification"`
 
 	_ func(string) `slot:"updateAndroidNotification"`
@@ -20,7 +21,6 @@ type CwtchActivity struct {
 
 func (c *CwtchActivity) init() {
 	log.Debugln("CwtchActivity.init()")
-	c.createOngoingNotification()
 	c.ConnectNotificationChanged(c.updateAndroidNotification)
 }
 
@@ -29,8 +29,8 @@ func (c *CwtchActivity) updateAndroidNotification(n string) {
 	var err = androidextras.QAndroidJniObject_CallStaticMethodVoid2Caught(
 		"ca/openprivacy/cwtch/ui/CwtchActivity",
 		"notify",
-		"(Ljava/lang/String;)V",
-		n,
+		"(Ljava/lang/String;Ljava/lang/String;)V",
+		n, c.Channel(),
 	)
 
 	if err != nil {
@@ -38,20 +38,6 @@ func (c *CwtchActivity) updateAndroidNotification(n string) {
 	}
 }
 
-func (c *CwtchActivity) createOngoingNotification() {
-
-	var err = androidextras.QAndroidJniObject_CallStaticMethodVoid2Caught(
-		"ca/openprivacy/cwtch/ui/CwtchActivity",
-		"ongoingNotify",
-		"(Ljava/lang/String;)V",
-		"Cwtch is running",
-	)
-
-	if err != nil {
-		log.Errorf("Error calling Java CwtchActivity.ongoingNotify(): %v\n", err.Error())
-	}
-}
-
 func (c *CwtchActivity) rootHomeButtonHandle() {
 	log.Infoln("CwtchActivity.rootHomeButtonHandle()!")
 	var err = androidextras.QAndroidJniObject_CallStaticMethodVoid2Caught(

go/ui/gcd.go

@@ -8,6 +8,7 @@ import (
 	"cwtch.im/cwtch/protocol/connections"
 	"cwtch.im/ui/go/constants"
 	"cwtch.im/ui/go/features/groups"
+	"cwtch.im/ui/go/ui/android"
 	"github.com/therecipe/qt/qml"
 	"strconv"
 	"sync"
@@ -22,6 +23,7 @@ import (
 type GrandCentralDispatcher struct {
 	core.QObject
 
+	AndroidCwtchActivity		*android.CwtchActivity
 	QMLEngine                    *qml.QQmlApplicationEngine
 	Translator, OpaqueTranslator *core.QTranslator
 
@@ -58,6 +60,7 @@ type GrandCentralDispatcher struct {
 	_ func()                                                    `signal:"ResetProfileList"`
 	_ func(failed bool)                                         `signal:"ChangePasswordResponse"`
 	_ func(onion string, online bool)                           `signal:"UpdateProfileNetworkStatus"`
+	_ func(onion string)										`signal:"Notify"`
 
 	// server management
 	_ func(handle, displayname, image string, status int, autostart bool, bundle string, messages int, key_types []string, keys []string) `signal:"AddServer"`
@@ -147,6 +150,7 @@ func (this *GrandCentralDispatcher) init() {
 	this.SetTheme(this.GlobalSettings.Theme)
 	this.SetExperimentsEnabled(this.GlobalSettings.ExperimentsEnabled)
 	this.SetExperiments(this.GlobalSettings.Experiments)
+	this.AndroidCwtchActivity = android.NewCwtchActivity(nil)
 }
 
 // GetUiManager gets (and creates if required) a ui Manager for the supplied profile id

go/ui/manager.go

@@ -301,6 +301,11 @@ func (this *manager) MessageJustAdded() {
 }
 
 func (this *manager) StoreAndNotify(pere peer.CwtchPeer, onion string, messageTxt string, sent time.Time, profileOnion string) {
+
+	// Send a New Message from Peer Notification
+	this.gcd.AndroidCwtchActivity.SetChannel(onion)
+	this.gcd.AndroidCwtchActivity.NotificationChanged("New Message from Peer")
+
 	this.gcd.DoIfProfileElse(this.profile, func() {
 		this.gcd.DoIfConversationElse(onion, func() {
 			this.gcd.TimelineInterface.AddMessage(this.gcd.TimelineInterface.num())
@@ -314,6 +319,7 @@ func (this *manager) StoreAndNotify(pere peer.CwtchPeer, onion string, messageTx
 	}, func() {
 		the.CwtchApp.GetPeer(profileOnion).StoreMessage(onion, messageTxt, sent)
 	})
+	this.gcd.Notify(onion)
 }
 
 // AddMessage adds a message to the message pane for the supplied conversation if it is active
@@ -331,6 +337,9 @@ func (this *manager) AddMessage(handle string, from string, message string, from
 		})
 		this.gcd.IncContactUnreadCount(handle)
 	})
+	if !fromMe {
+		this.gcd.Notify(handle)
+	}
 }
 
 func (this *manager) ReloadProfiles() {

main.go

@@ -11,7 +11,6 @@ import (
 	os2 "cwtch.im/ui/go/os"
 	"cwtch.im/ui/go/the"
 	"cwtch.im/ui/go/ui"
-	"cwtch.im/ui/go/ui/android"
 	"encoding/base64"
 	"flag"
 	"git.openprivacy.ca/openprivacy/connectivity/tor"
@@ -161,6 +160,7 @@ func mainUi(flagLocal bool, flagClientUI bool) {
 		log.Errorf("Could not access global ui config: %v\n", err)
 		os.Exit(-1)
 	}
+
 	gcd := ui.NewGrandCentralDispatcher(nil)
 	gcd.SetOs(runtime.GOOS)
 	dir := core.QCoreApplication_ApplicationDirPath()
@@ -186,8 +186,6 @@ func mainUi(flagLocal bool, flagClientUI bool) {
 		gcd.SetBuildDate("now")
 	}
 
-
-
 	// this is to load local qml files quickly when developing
 	var qmlSource *core.QUrl
 	if flagLocal {
@@ -223,13 +221,13 @@ func mainUi(flagLocal bool, flagClientUI bool) {
 		return nam
 	})
 	engine.SetNetworkAccessManagerFactory(factory)
-
 	engine.RootContext().SetContextProperty("gcd", gcd)
 	gcd.TimelineInterface = ui.NewMessageModel(nil)
 	engine.RootContext().SetContextProperty("mm", gcd.TimelineInterface)
 
-	var androidCwtchActivity = android.NewCwtchActivity(nil)
-	engine.RootContext().SetContextProperty("androidCwtchActivity", androidCwtchActivity)
+
+	engine.RootContext().SetContextProperty("androidCwtchActivity", gcd.AndroidCwtchActivity)
+
 
 	engine.Load(qmlSource)
 
@@ -263,7 +261,6 @@ func loadACN() {
 		}
 	}
 
-
 	//  generate a random socks and control port (not real random...these are port numbers...)
 	mrand.Seed(int64(time.Now().Nanosecond()))
 	port := mrand.Intn(1000) + 9600

qml/main.qml

@@ -419,6 +419,14 @@ ApplicationWindow {
             parentStack.updateToolbar()
             statusbar.resetHeight()
         }
+
+        onNotify: function(onion) {
+             // If we are processing QML it means the app is open, and as such we don't want to
+             // Send a notification - in the future we should probably use an API like this to Cancel notifications
+             // Until then I am leaving this here for documentation.
+             // androidCwtchActivity.channel = onion
+             // androidCwtchActivity.notification = "Message from " + onion;
+        }
     }
 
     Component.onCompleted: Mutant.standard.imagePath = gcd.assetPath;
@@ -433,4 +441,6 @@ ApplicationWindow {
             }
         }
     }
+
+
 }