handle conference invites differently to deal with killed activities. fixes #1188

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -2108,6 +2108,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 	}
 
 	public void invite(Conversation conversation, Jid contact) {
+		Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+": inviting "+contact+" to "+conversation.getJid().toBareJid());
 		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
 		sendMessagePacket(conversation.getAccount(), packet);
 	}

src/main/java/eu/siacs/conversations/ui/ConferenceDetailsActivity.java

@@ -385,6 +385,10 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
 
 	@Override
 	void onBackendConnected() {
+		if (mPendingConferenceInvite != null) {
+			mPendingConferenceInvite.execute(this);
+			mPendingConferenceInvite = null;
+		}
 		if (getIntent().getAction().equals(ACTION_VIEW_MUC)) {
 			this.uuid = getIntent().getExtras().getString("uuid");
 		}

src/main/java/eu/siacs/conversations/ui/ConversationActivity.java

@@ -901,6 +901,12 @@ public class ConversationActivity extends XmppActivity
 	void onBackendConnected() {
 		this.xmppConnectionService.getNotificationService().setIsInForeground(true);
 		updateConversationList();
+
+		if (mPendingConferenceInvite != null) {
+			mPendingConferenceInvite.execute(this);
+			mPendingConferenceInvite = null;
+		}
+
 		if (xmppConnectionService.getAccounts().size() == 0) {
 			if (!mRedirected) {
 				this.mRedirected = true;

src/main/java/eu/siacs/conversations/ui/XmppActivity.java

@@ -113,6 +113,8 @@ public abstract class XmppActivity extends Activity {
 		}
 	};
 
+	protected ConferenceInvite mPendingConferenceInvite = null;
+
 
 	protected void refreshUi() {
 		final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
@@ -665,32 +667,13 @@ public abstract class XmppActivity extends Activity {
 	protected void onActivityResult(int requestCode, int resultCode,
 			final Intent data) {
 		super.onActivityResult(requestCode, resultCode, data);
-		if (requestCode == REQUEST_INVITE_TO_CONVERSATION
+		if (requestCode == REQUEST_INVITE_TO_CONVERSATION && resultCode == RESULT_OK) {
-				&& resultCode == RESULT_OK) {
+			mPendingConferenceInvite = ConferenceInvite.parse(data);
-			try {
+			if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
-				String conversationUuid = data.getStringExtra("conversation");
+				mPendingConferenceInvite.execute(this);
-				Conversation conversation = xmppConnectionService
+				mPendingConferenceInvite = null;
-					.findConversationByUuid(conversationUuid);
-				List<Jid> jids = new ArrayList<Jid>();
-				if (data.getBooleanExtra("multiple", false)) {
-					String[] toAdd = data.getStringArrayExtra("contacts");
-					for (String item : toAdd) {
-						jids.add(Jid.fromString(item));
-					}
 			} else {
-					jids.add(Jid.fromString(data.getStringExtra("contact")));
+				Log.d(Config.LOGTAG,"putting invite on pending");
-				}
-
-				if (conversation.getMode() == Conversation.MODE_MULTI) {
-					for (Jid jid : jids) {
-						xmppConnectionService.invite(conversation, jid);
-					}
-				} else {
-					jids.add(conversation.getJid().toBareJid());
-					xmppConnectionService.createAdhocConference(conversation.getAccount(), jids, adhocCallback);
-				}
-			} catch (final InvalidJidException ignored) {
-
 			}
 		}
 	}
@@ -855,6 +838,48 @@ public abstract class XmppActivity extends Activity {
 		}
 	}
 
+	public static class ConferenceInvite {
+		private String uuid;
+		private List<Jid> jids = new ArrayList<>();
+
+		public static ConferenceInvite parse(Intent data) {
+			ConferenceInvite invite = new ConferenceInvite();
+			invite.uuid = data.getStringExtra("conversation");
+			if (invite.uuid == null) {
+				return null;
+			}
+			try {
+				if (data.getBooleanExtra("multiple", false)) {
+					String[] toAdd = data.getStringArrayExtra("contacts");
+					for (String item : toAdd) {
+						invite.jids.add(Jid.fromString(item));
+					}
+				} else {
+					invite.jids.add(Jid.fromString(data.getStringExtra("contact")));
+				}
+			} catch (final InvalidJidException ignored) {
+				return null;
+			}
+			return invite;
+		}
+
+		public void execute(XmppActivity activity) {
+			XmppConnectionService service = activity.xmppConnectionService;
+			Conversation conversation = service.findConversationByUuid(this.uuid);
+			if (conversation == null) {
+				return;
+			}
+			if (conversation.getMode() == Conversation.MODE_MULTI) {
+				for (Jid jid : jids) {
+					service.invite(conversation, jid);
+				}
+			} else {
+				jids.add(conversation.getJid().toBareJid());
+				service.createAdhocConference(conversation.getAccount(), jids, activity.adhocCallback);
+			}
+		}
+	}
+
 	public AvatarService avatarService() {
 		return xmppConnectionService.getAvatarService();
 	}