Implement first prototype of private group message threads

briar-android/src/org/briarproject/android/privategroup/conversation/GroupActivity.java

@@ -0,0 +1,82 @@
+package org.briarproject.android.privategroup.conversation;
+
+import android.os.Bundle;
+import android.support.annotation.LayoutRes;
+import android.support.v7.widget.LinearLayoutManager;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+
+import org.briarproject.R;
+import org.briarproject.android.ActivityComponent;
+import org.briarproject.android.threaded.ThreadListActivity;
+import org.briarproject.android.threaded.ThreadListController;
+import org.briarproject.api.privategroup.GroupMessageHeader;
+import org.briarproject.api.privategroup.PrivateGroup;
+
+import javax.inject.Inject;
+
+public class GroupActivity extends
+		ThreadListActivity<PrivateGroup, GroupMessageItem, GroupMessageHeader, GroupMessageAdapter> {
+
+	@Inject
+	protected GroupController controller;
+
+	@Override
+	public void injectActivity(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Override
+	protected ThreadListController<PrivateGroup, GroupMessageItem, GroupMessageHeader> getController() {
+		return controller;
+	}
+
+	@Override
+	public void onCreate(Bundle state) {
+		super.onCreate(state);
+		list.setEmptyText(R.string.groups_no_messages);
+	}
+
+	@Override
+	protected @LayoutRes int getLayout() {
+		return R.layout.activity_forum;
+	}
+
+	@Override
+	protected GroupMessageAdapter createAdapter(
+			LinearLayoutManager layoutManager) {
+		return new GroupMessageAdapter(this, layoutManager);
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		// Inflate the menu items for use in the action bar
+		MenuInflater inflater = getMenuInflater();
+		inflater.inflate(R.menu.group_actions, menu);
+
+		return super.onCreateOptionsMenu(menu);
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(final MenuItem item) {
+		switch (item.getItemId()) {
+			case R.id.action_group_compose_message:
+				showTextInput(null);
+				return true;
+			default:
+				return super.onOptionsItemSelected(item);
+		}
+	}
+
+	@Override
+	protected int getItemPostedString() {
+		return R.string.groups_message_sent;
+	}
+
+	@Override
+	protected int getItemReceivedString() {
+		return R.string.groups_message_received;
+	}
+
+}