Android auto support

app/src/main/AndroidManifest.xml

@@ -121,6 +121,9 @@
         <meta-data
             android:name="android.allow_multiple_resumed_activities"
             android:value="true" />
+        <meta-data
+            android:name="com.google.android.gms.car.application"
+            android:resource="@xml/car" />
         <meta-data
             android:name="com.bugsnag.android.API_KEY"
             android:value="9d2d57476a0614974449a3ec33f2604a" />

app/src/main/java/eu/faircode/email/Core.java

@@ -38,7 +38,9 @@ import android.util.Pair;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.core.app.NotificationCompat;
+import androidx.core.app.Person;
 import androidx.core.app.RemoteInput;
+import androidx.core.graphics.drawable.IconCompat;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import androidx.preference.PreferenceManager;
 
@@ -3562,6 +3564,7 @@ class Core {
         boolean name_email = prefs.getBoolean("name_email", false);
         boolean prefer_contact = prefs.getBoolean("prefer_contact", false);
         boolean flags = prefs.getBoolean("flags", true);
+        boolean notify_messaging = prefs.getBoolean("notify_messaging", false);
         boolean notify_preview = prefs.getBoolean("notify_preview", true);
         boolean notify_preview_all = prefs.getBoolean("notify_preview_all", false);
         boolean wearable_preview = prefs.getBoolean("wearable_preview", false);
@@ -3782,6 +3785,17 @@ class Core {
                             .setOnlyAlertOnce(alert_once)
                             .setAllowSystemGeneratedContextualActions(false);
 
+            NotificationCompat.MessagingStyle messagingStyle = null;
+            if (notify_messaging) {
+                // https://developer.android.com/training/cars/messaging
+                Person.Builder me = new Person.Builder()
+                        .setName(MessageHelper.formatAddresses(message.to, name_email, false));
+                messagingStyle = new NotificationCompat.MessagingStyle(me.build());
+
+                if (!TextUtils.isEmpty(message.subject))
+                    messagingStyle.setConversationTitle(message.subject);
+            }
+
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
                 mbuilder
                         .setGroup(Long.toString(group))
@@ -3815,6 +3829,7 @@ class Core {
                         context.getString(R.string.title_advanced_notify_action_trash),
                         piTrash)
                         .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_DELETE)
+                        .setShowsUserInterface(false)
                         .setAllowGeneratedReplies(false);
                 mbuilder.addAction(actionTrash.build());
 
@@ -3832,6 +3847,7 @@ class Core {
                         R.drawable.twotone_report_problem_24,
                         context.getString(R.string.title_advanced_notify_action_junk),
                         piJunk)
+                        .setShowsUserInterface(false)
                         .setAllowGeneratedReplies(false);
                 mbuilder.addAction(actionJunk.build());
 
@@ -3850,6 +3866,7 @@ class Core {
                         context.getString(R.string.title_advanced_notify_action_archive),
                         piArchive)
                         .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_ARCHIVE)
+                        .setShowsUserInterface(false)
                         .setAllowGeneratedReplies(false);
                 mbuilder.addAction(actionArchive.build());
 
@@ -3870,6 +3887,7 @@ class Core {
                                 R.drawable.twotone_folder_24,
                                 folder.getDisplayName(context),
                                 piMove)
+                                .setShowsUserInterface(false)
                                 .setAllowGeneratedReplies(false);
                         mbuilder.addAction(actionMove.build());
 
@@ -3890,7 +3908,7 @@ class Core {
                         R.drawable.twotone_reply_24,
                         context.getString(R.string.title_advanced_notify_action_reply),
                         piReply)
-                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
+                        .setShowsUserInterface(true)
                         .setAllowGeneratedReplies(false);
                 mbuilder.addAction(actionReply.build());
             }
@@ -3909,6 +3927,7 @@ class Core {
                         context.getString(R.string.title_advanced_notify_action_reply_direct),
                         piReply)
                         .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
+                        .setShowsUserInterface(false)
                         .setAllowGeneratedReplies(false);
                 RemoteInput.Builder input = new RemoteInput.Builder("text")
                         .setLabel(context.getString(R.string.title_advanced_notify_action_reply));
@@ -3927,6 +3946,7 @@ class Core {
                         context.getString(R.string.title_advanced_notify_action_flag),
                         piFlag)
                         .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_THUMBS_UP)
+                        .setShowsUserInterface(false)
                         .setAllowGeneratedReplies(false);
                 mbuilder.addAction(actionFlag.build());
 
@@ -3943,6 +3963,7 @@ class Core {
                         context.getString(R.string.title_advanced_notify_action_seen),
                         piSeen)
                         .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
+                        .setShowsUserInterface(false)
                         .setAllowGeneratedReplies(false);
                 mbuilder.addAction(actionSeen.build());
 
@@ -3959,6 +3980,7 @@ class Core {
                         context.getString(R.string.title_advanced_notify_action_snooze),
                         piSnooze)
                         .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MUTE)
+                        .setShowsUserInterface(false)
                         .setAllowGeneratedReplies(false);
                 mbuilder.addAction(actionSnooze.build());
 
@@ -3998,6 +4020,7 @@ class Core {
                 }
 
                 // Device
+                if (messagingStyle == null) {
                     StringBuilder sbm = new StringBuilder();
                     if (!TextUtils.isEmpty(message.subject))
                         sbm.append("<em>").append(message.subject).append("</em>").append("<br>");
@@ -4013,6 +4036,20 @@ class Core {
 
                         mbuilder.setStyle(bigText);
                     }
+                } else {
+                    Person.Builder you = new Person.Builder()
+                            .setName(MessageHelper.formatAddresses(message.from, name_email, false));
+
+                    if (info[0].hasPhoto())
+                        you.setIcon(IconCompat.createWithBitmap(info[0].getPhotoBitmap()));
+
+                    if (info[0].hasLookupUri())
+                        you.setUri(info[0].getLookupUri().toString());
+
+                    messagingStyle.addMessage(preview == null ? "" : preview, message.received, you.build());
+
+                    mbuilder.setStyle(messagingStyle);
+                }
             } else {
                 if (!TextUtils.isEmpty(message.subject))
                     mbuilder.setContentText(message.subject);

app/src/main/java/eu/faircode/email/FragmentOptionsNotifications.java

@@ -87,6 +87,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
     private SwitchCompat swNotifyPreviewAll;
     private SwitchCompat swNotifyPreviewOnly;
     private SwitchCompat swWearablePreview;
+    private SwitchCompat swMessagingStyle;
     private SwitchCompat swBiometricsNotify;
     private SwitchCompat swAlertOnce;
     private TextView tvNoGrouping;
@@ -105,6 +106,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
             "badge", "unseen_ignored",
             "notify_background_only", "notify_known", "notify_summary", "notify_remove", "notify_clear",
             "notify_preview", "notify_preview_all", "notify_preview_only", "wearable_preview",
+            "notify_messaging",
             "biometrics_notify",
             "alert_once"
     };
@@ -153,6 +155,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
         swNotifyPreviewAll = view.findViewById(R.id.swNotifyPreviewAll);
         swNotifyPreviewOnly = view.findViewById(R.id.swNotifyPreviewOnly);
         swWearablePreview = view.findViewById(R.id.swWearablePreview);
+        swMessagingStyle = view.findViewById(R.id.swMessagingStyle);
         swBiometricsNotify = view.findViewById(R.id.swBiometricsNotify);
         swAlertOnce = view.findViewById(R.id.swAlertOnce);
         tvNoGrouping = view.findViewById(R.id.tvNoGrouping);
@@ -400,6 +403,13 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
             }
         });
 
+        swMessagingStyle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("notify_messaging", checked).apply();
+            }
+        });
+
         swBiometricsNotify.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -521,6 +531,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
         swNotifyPreviewAll.setChecked(prefs.getBoolean("notify_preview_all", false));
         swNotifyPreviewOnly.setChecked(prefs.getBoolean("notify_preview_only", false));
         swWearablePreview.setChecked(prefs.getBoolean("wearable_preview", false));
+        swMessagingStyle.setChecked(prefs.getBoolean("notify_messaging", false));
         swBiometricsNotify.setChecked(prefs.getBoolean("biometrics_notify", false));
         swAlertOnce.setChecked(!prefs.getBoolean("alert_once", true));
 

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

@@ -534,6 +534,29 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/swWearablePreview" />
 
+        <androidx.appcompat.widget.SwitchCompat
+            android:id="@+id/swMessagingStyle"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:text="@string/title_advanced_notify_messaging"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvWearablePreviewHint"
+            app:switchPadding="12dp" />
+
+        <eu.faircode.email.FixedTextView
+            android:id="@+id/tvMessagingStyle"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="48dp"
+            android:text="@string/title_advanced_messaging_hint"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textStyle="italic"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/swMessagingStyle" />
+
         <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/swBiometricsNotify"
             android:layout_width="0dp"
@@ -542,7 +565,7 @@
             android:text="@string/title_advanced_biometrics_notify"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tvWearablePreviewHint"
+            app:layout_constraintTop_toBottomOf="@id/tvMessagingStyle"
             app:switchPadding="12dp" />
 
         <androidx.appcompat.widget.SwitchCompat

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

@@ -452,6 +452,7 @@
     <string name="title_advanced_notify_remove">Remove new message notification on tapping on notification</string>
     <string name="title_advanced_notify_clear">Remove new message notifications on viewing message list</string>
     <string name="title_advanced_wearable_preview">Only send notifications with a message preview to wearables</string>
+    <string name="title_advanced_notify_messaging">Use Android messaging style notification format</string>
     <string name="title_advanced_biometrics_notify">Show notification content when using biometric authentication</string>
     <string name="title_advanced_light">Use notification light</string>
     <string name="title_advanced_sound">Select notification sound</string>
@@ -585,6 +586,7 @@
     <string name="title_advanced_notify_preview_all_hint">For wearables that can show the full text (up to 5,000 characters)</string>
     <string name="title_advanced_notify_preview_only_hint">This delays showing of notifications until the message text has been downloaded</string>
     <string name="title_advanced_wearable_hint">Notifications are only sent to a wearable after the message text has been downloaded</string>
+    <string name="title_advanced_messaging_hint">This is required for Android Auto support</string>
     <string name="title_advanced_move_hint">The target folder can be configured in the account settings</string>
     <string name="title_advanced_notify_no_grouping">This Android version does not support notification grouping</string>
     <string name="title_advanced_notify_no_channels">This Android version does not support notification channels</string>

app/src/main/res/xml/car.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<automotiveApp>
+    <uses name="notification" />
+</automotiveApp>