UI for introducing two contacts to each other

Show system notification for successful introductions

briar-android/src/org/briarproject/android/contact/ConversationIntroductionOutItem.java

@@ -0,0 +1,48 @@
+package org.briarproject.android.contact;
+
+import org.briarproject.api.introduction.IntroductionRequest;
+import org.briarproject.api.sync.MessageId;
+
+/**
+ * This class is needed and can not be replaced by an ConversationNoticeOutItem,
+ * because it carries the optional introduction message
+ * to be displayed as a regular private message.
+ */
+public class ConversationIntroductionOutItem
+		extends ConversationIntroductionInItem
+		implements ConversationItem.OutgoingItem {
+
+	private boolean sent, seen;
+
+	public ConversationIntroductionOutItem(IntroductionRequest ir) {
+		super(ir);
+		this.sent = ir.isSent();
+		this.seen = ir.isSeen();
+	}
+
+	@Override
+	int getType() {
+		return INTRODUCTION_OUT;
+	}
+
+	@Override
+	public boolean isSent() {
+		return sent;
+	}
+
+	@Override
+	public void setSent(boolean sent) {
+		this.sent = sent;
+	}
+
+	@Override
+	public boolean isSeen() {
+		return seen;
+	}
+
+	@Override
+	public void setSeen(boolean seen) {
+		this.seen = seen;
+	}
+
+}