diff --git a/briar-android/src/main/AndroidManifest.xml b/briar-android/src/main/AndroidManifest.xml
index e3268b740..db9281006 100644
--- a/briar-android/src/main/AndroidManifest.xml
+++ b/briar-android/src/main/AndroidManifest.xml
@@ -111,6 +111,7 @@
 			android:name=".android.privategroup.conversation.GroupActivity"
 			android:label="@string/app_name"
 			android:parentActivityName=".android.navdrawer.NavDrawerActivity"
+			android:theme="@style/BriarThemeNoActionBar.Default"
 			android:windowSoftInputMode="adjustResize|stateHidden">
 			<meta-data
 				android:name="android.support.PARENT_ACTIVITY"
@@ -194,6 +195,7 @@
 			android:name=".android.forum.ForumActivity"
 			android:label="@string/app_name"
 			android:parentActivityName=".android.navdrawer.NavDrawerActivity"
+			android:theme="@style/BriarThemeNoActionBar.Default"
 			android:windowSoftInputMode="adjustResize|stateHidden">
 			<meta-data
 				android:name="android.support.PARENT_ACTIVITY"
@@ -245,11 +247,11 @@
 
 		<activity
 			android:name=".android.blog.BlogActivity"
-			android:parentActivityName=".android.navdrawer.NavDrawerActivity">
+			android:parentActivityName=".android.navdrawer.NavDrawerActivity"
+			android:theme="@style/BriarThemeNoActionBar.Default">
 			<meta-data
 				android:name="android.support.PARENT_ACTIVITY"
-				android:value=".android.navdrawer.NavDrawerActivity"
-				/>
+				android:value=".android.navdrawer.NavDrawerActivity"/>
 		</activity>
 
 		<activity
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/activity/BriarActivity.java b/briar-android/src/main/java/org/briarproject/briar/android/activity/BriarActivity.java
index c2e4f113c..773208adc 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/activity/BriarActivity.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/activity/BriarActivity.java
@@ -3,6 +3,9 @@ package org.briarproject.briar.android.activity;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Build;
+import android.support.annotation.Nullable;
+import android.support.v7.app.ActionBar;
+import android.support.v7.widget.Toolbar;
 import android.transition.Slide;
 import android.transition.Transition;
 import android.view.Gravity;
@@ -94,6 +97,27 @@ public abstract class BriarActivity extends BaseActivity {
 		window.setBackgroundDrawableResource(android.R.color.transparent);
 	}
 
+	/**
+	 * This should be called after the content view has been added in onCreate()
+	 *
+	 * @param ownLayout true if the custom toolbar brings its own layout
+	 * @return the Toolbar object or null if content view did not contain one
+	 */
+	@Nullable
+	protected Toolbar setUpCustomToolbar(boolean ownLayout) {
+		// Custom Toolbar
+		Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+		setSupportActionBar(toolbar);
+		ActionBar ab = getSupportActionBar();
+		if (ab != null) {
+			ab.setDisplayShowHomeEnabled(true);
+			ab.setDisplayHomeAsUpEnabled(true);
+			ab.setDisplayShowCustomEnabled(ownLayout);
+			ab.setDisplayShowTitleEnabled(!ownLayout);
+		}
+		return toolbar;
+	}
+
 	protected void signOut(final boolean removeFromRecentApps) {
 		briarController.signOut(new UiResultHandler<Void>(this) {
 			@Override
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/blog/BlogActivity.java b/briar-android/src/main/java/org/briarproject/briar/android/blog/BlogActivity.java
index 229e1702f..bfd880303 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/blog/BlogActivity.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/blog/BlogActivity.java
@@ -3,6 +3,7 @@ package org.briarproject.briar.android.blog;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import android.support.v7.widget.Toolbar;
 import android.view.View;
 
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
@@ -38,12 +39,12 @@ public class BlogActivity extends BriarActivity
 		final GroupId groupId = new GroupId(b);
 		blogController.setGroupId(groupId);
 
-		setContentView(R.layout.activity_fragment_container);
+		setContentView(R.layout.activity_fragment_container_toolbar);
+		Toolbar toolbar = setUpCustomToolbar(false);
 
-		// Open Sharing Status on ActionBar click
-		View actionBar = findViewById(R.id.action_bar);
-		if (actionBar != null) {
-			actionBar.setOnClickListener(
+		// Open Sharing Status on Toolbar click
+		if (toolbar != null) {
+			toolbar.setOnClickListener(
 					new View.OnClickListener() {
 						@Override
 						public void onClick(View v) {
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/contact/ConversationActivity.java b/briar-android/src/main/java/org/briarproject/briar/android/contact/ConversationActivity.java
index 11780653a..54f17282b 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/contact/ConversationActivity.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/contact/ConversationActivity.java
@@ -6,7 +6,6 @@ import android.os.Bundle;
 import android.support.annotation.UiThread;
 import android.support.design.widget.Snackbar;
 import android.support.v4.content.ContextCompat;
-import android.support.v7.app.ActionBar;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.ActionMenuView;
 import android.support.v7.widget.LinearLayoutManager;
@@ -176,21 +175,13 @@ public class ConversationActivity extends BriarActivity
 		setContentView(R.layout.activity_conversation);
 
 		// Custom Toolbar
-		toolbar = (Toolbar) findViewById(R.id.toolbar);
+		toolbar = setUpCustomToolbar(true);
 		if (toolbar != null) {
 			toolbarAvatar =
 					(CircleImageView) toolbar.findViewById(R.id.contactAvatar);
 			toolbarStatus =
 					(ImageView) toolbar.findViewById(R.id.contactStatus);
 			toolbarTitle = (TextView) toolbar.findViewById(R.id.contactName);
-			setSupportActionBar(toolbar);
-		}
-		ActionBar ab = getSupportActionBar();
-		if (ab != null) {
-			ab.setDisplayShowHomeEnabled(true);
-			ab.setDisplayHomeAsUpEnabled(true);
-			ab.setDisplayShowCustomEnabled(true);
-			ab.setDisplayShowTitleEnabled(false);
 		}
 
 		setTransitionName(toolbarAvatar, getAvatarTransitionName(contactId));
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/forum/ForumActivity.java b/briar-android/src/main/java/org/briarproject/briar/android/forum/ForumActivity.java
index 95c80e49c..5729e4c8b 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/forum/ForumActivity.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/forum/ForumActivity.java
@@ -8,6 +8,7 @@ import android.support.annotation.LayoutRes;
 import android.support.annotation.StringRes;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -63,15 +64,16 @@ public class ForumActivity extends
 	public void onCreate(@Nullable Bundle state) {
 		super.onCreate(state);
 
+		Toolbar toolbar = setUpCustomToolbar(false);
+
 		Intent i = getIntent();
 		String groupName = i.getStringExtra(GROUP_NAME);
 		if (groupName != null) setTitle(groupName);
 		else loadNamedGroup();
 
-		// Open Sharing Status on ActionBar click
-		View actionBar = findViewById(R.id.action_bar);
-		if (actionBar != null) {
-			actionBar.setOnClickListener(
+		// Open member list on Toolbar click
+		if (toolbar != null) {
+			toolbar.setOnClickListener(
 					new View.OnClickListener() {
 						@Override
 						public void onClick(View v) {
@@ -92,7 +94,7 @@ public class ForumActivity extends
 	@Override
 	@LayoutRes
 	protected int getLayout() {
-		return R.layout.activity_forum;
+		return R.layout.activity_threaded_conversation;
 	}
 
 	@Override
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/keyagreement/KeyAgreementActivity.java b/briar-android/src/main/java/org/briarproject/briar/android/keyagreement/KeyAgreementActivity.java
index 446f4d1d4..b66577b67 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/keyagreement/KeyAgreementActivity.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/keyagreement/KeyAgreementActivity.java
@@ -60,7 +60,7 @@ public class KeyAgreementActivity extends BriarActivity implements
 	@Override
 	public void onCreate(@Nullable Bundle state) {
 		super.onCreate(state);
-		setContentView(R.layout.activity_plain);
+		setContentView(R.layout.activity_fragment_container_toolbar);
 
 		Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
 
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupActivity.java b/briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupActivity.java
index 62131cb41..1f6dab890 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupActivity.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/privategroup/conversation/GroupActivity.java
@@ -8,6 +8,7 @@ import android.support.annotation.LayoutRes;
 import android.support.annotation.StringRes;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -68,15 +69,16 @@ public class GroupActivity extends
 	public void onCreate(@Nullable Bundle state) {
 		super.onCreate(state);
 
+		Toolbar toolbar = setUpCustomToolbar(false);
+
 		Intent i = getIntent();
 		String groupName = i.getStringExtra(GROUP_NAME);
 		if (groupName != null) setTitle(groupName);
 		loadNamedGroup();
 
-		// Open member list on ActionBar click
-		View actionBar = findViewById(R.id.action_bar);
-		if (actionBar != null) {
-			actionBar.setOnClickListener(
+		// Open member list on Toolbar click
+		if (toolbar != null) {
+			toolbar.setOnClickListener(
 					new View.OnClickListener() {
 						@Override
 						public void onClick(View v) {
@@ -94,7 +96,7 @@ public class GroupActivity extends
 	@Override
 	@LayoutRes
 	protected int getLayout() {
-		return R.layout.activity_forum;
+		return R.layout.activity_threaded_conversation;
 	}
 
 	@Override
diff --git a/briar-android/src/main/res/layout/activity_dev_report.xml b/briar-android/src/main/res/layout/activity_dev_report.xml
index 90f52efcf..fc9e649ce 100644
--- a/briar-android/src/main/res/layout/activity_dev_report.xml
+++ b/briar-android/src/main/res/layout/activity_dev_report.xml
@@ -11,17 +11,7 @@
 		android:orientation="vertical"
 		tools:context=".android.reporting.DevReportActivity">
 
-		<android.support.design.widget.AppBarLayout
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content">
-
-			<android.support.v7.widget.Toolbar
-				android:id="@+id/toolbar"
-				style="@style/BriarToolbar"
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"/>
-
-		</android.support.design.widget.AppBarLayout>
+		<include layout="@layout/toolbar"/>
 
 		<RelativeLayout
 			android:layout_width="match_parent"
diff --git a/briar-android/src/main/res/layout/activity_fragment_container_toolbar.xml b/briar-android/src/main/res/layout/activity_fragment_container_toolbar.xml
new file mode 100644
index 000000000..442bc6de7
--- /dev/null
+++ b/briar-android/src/main/res/layout/activity_fragment_container_toolbar.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:orientation="vertical"
+	tools:context=".android.keyagreement.KeyAgreementActivity">
+
+	<include layout="@layout/toolbar"/>
+
+	<FrameLayout
+		android:id="@+id/fragmentContainer"
+		xmlns:android="http://schemas.android.com/apk/res/android"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"/>
+
+</LinearLayout>
diff --git a/briar-android/src/main/res/layout/activity_nav_drawer.xml b/briar-android/src/main/res/layout/activity_nav_drawer.xml
index 2c2ea0402..aceb67374 100644
--- a/briar-android/src/main/res/layout/activity_nav_drawer.xml
+++ b/briar-android/src/main/res/layout/activity_nav_drawer.xml
@@ -2,8 +2,10 @@
 <android.support.v4.widget.DrawerLayout
 	android:id="@+id/drawer_layout"
 	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
-	android:layout_height="match_parent">
+	android:layout_height="match_parent"
+	tools:context=".android.navdrawer.NavDrawerActivity">
 
 	<!-- The first child(root) is the content view -->
 	<LinearLayout
@@ -11,17 +13,7 @@
 		android:layout_height="match_parent"
 		android:orientation="vertical">
 
-		<android.support.design.widget.AppBarLayout
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content">
-
-			<android.support.v7.widget.Toolbar
-				android:id="@+id/toolbar"
-				style="@style/BriarToolbar"
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"/>
-
-		</android.support.design.widget.AppBarLayout>
+		<include layout="@layout/toolbar"/>
 
 		<FrameLayout
 			android:id="@+id/fragmentContainer"
diff --git a/briar-android/src/main/res/layout/activity_plain.xml b/briar-android/src/main/res/layout/activity_plain.xml
deleted file mode 100644
index 887c14a61..000000000
--- a/briar-android/src/main/res/layout/activity_plain.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:layout_width="match_parent"
-	android:layout_height="match_parent"
-	android:orientation="vertical">
-
-	<android.support.design.widget.AppBarLayout
-		android:layout_width="match_parent"
-		android:layout_height="wrap_content">
-
-		<android.support.v7.widget.Toolbar
-			android:id="@+id/toolbar"
-			style="@style/BriarToolbar"
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content"/>
-
-	</android.support.design.widget.AppBarLayout>
-
-	<FrameLayout
-		android:id="@+id/fragmentContainer"
-		android:layout_width="match_parent"
-		android:layout_height="match_parent"
-		android:background="@color/window_background"/>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/briar-android/src/main/res/layout/activity_forum.xml b/briar-android/src/main/res/layout/activity_threaded_conversation.xml
similarity index 81%
rename from briar-android/src/main/res/layout/activity_forum.xml
rename to briar-android/src/main/res/layout/activity_threaded_conversation.xml
index 3f26d7a01..9847ed644 100644
--- a/briar-android/src/main/res/layout/activity_forum.xml
+++ b/briar-android/src/main/res/layout/activity_threaded_conversation.xml
@@ -4,7 +4,11 @@
 	xmlns:app="http://schemas.android.com/apk/res-auto"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent"
-	android:orientation="vertical">
+	android:orientation="vertical"
+	xmlns:tools="http://schemas.android.com/tools"
+	tools:context=".android.forum.ForumActivity">
+
+	<include layout="@layout/toolbar"/>
 
 	<org.briarproject.briar.android.view.BriarRecyclerView
 		android:id="@+id/list"
@@ -22,4 +26,4 @@
 		android:elevation="@dimen/margin_tiny"
 		app:hint="@string/forum_new_message_hint"/>
 
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/briar-android/src/main/res/layout/toolbar.xml b/briar-android/src/main/res/layout/toolbar.xml
new file mode 100644
index 000000000..9a17ba10d
--- /dev/null
+++ b/briar-android/src/main/res/layout/toolbar.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.AppBarLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content">
+
+	<android.support.v7.widget.Toolbar
+		android:id="@+id/toolbar"
+		style="@style/BriarToolbar"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"/>
+
+</android.support.design.widget.AppBarLayout>
diff --git a/briar-android/src/main/res/values/styles.xml b/briar-android/src/main/res/values/styles.xml
index cb439b1c5..6dfcf55af 100644
--- a/briar-android/src/main/res/values/styles.xml
+++ b/briar-android/src/main/res/values/styles.xml
@@ -6,7 +6,8 @@
 		<item name="android:textColorPrimary">@color/briar_text_primary_inverse</item>
 		<item name="android:textSize">@dimen/text_size_medium</item>
 		<item name="colorPrimary">@color/briar_primary</item>
-		<item name="titleTextAppearance">@style/BriarToolbarTextAppearance</item>
+		<item name="titleTextAppearance">@style/BriarToolbarTitleTextAppearance</item>
+		<item name="subtitleTextAppearance">@style/BriarToolbarSubTitleTextAppearance</item>
 		<item name="android:theme">@style/BriarToolbarTheme</item>
 	</style>
 
@@ -14,10 +15,14 @@
 		<item name="colorControlNormal">@color/briar_text_primary_inverse</item>
 	</style>
 
-	<style name="BriarToolbarTextAppearance" parent="TextAppearance.Widget.AppCompat.Toolbar.Title">
+	<style name="BriarToolbarTitleTextAppearance" parent="TextAppearance.Widget.AppCompat.Toolbar.Title">
 		<item name="android:textColor">@color/briar_text_primary_inverse</item>
 	</style>
 
+	<style name="BriarToolbarSubTitleTextAppearance" parent="TextAppearance.Widget.AppCompat.Toolbar.Subtitle">
+		<item name="android:textColor">@color/briar_text_secondary_inverse</item>
+	</style>
+
 	<style name="BriarButton.Default">
 		<item name="android:textAllCaps">true</item>
 	</style>