Dialer app changes for IMS

IMS Conference URI UI changes
1. Add a new button for initiating conference
URI call in the Dial screen.
2. Send a intent for the conference call with a
extra to indicate the call type as conference.

IMS: Allow dial Conference call without URI List

Allow place conference call without URI List and
don't show error toast in this case.

IMS: Clean up Conference URI system property

Remove system property "persist.dbg.ims_volte_enable".
Add platform configuration flag and user's enhanced 4G
LTE setting to decide IMS capability.

IMS: Add participant support

Insert "add_participant" extra
to the dial intent.

IMS: Add participant support

Introduce add participant button in
call UI and send add participant to
Dialer.

Change-Id: I1173c6cc82bb3d008a70a3338c45901a2619f0e5

IMS: Fix dialer app crash issue due to NPE

FragmentActivity can be null if it's not yet
attach. So it can be null in such case.
Add null check to avoid NullPointerException.

CRs-Fixed: 1023212
Change-Id: Ib35c394dd10dea7526601824f11e5ebd9db459ce

1 files changed, 42 insertions, 0 deletions

diff --git a/res/drawable/btn_addparticipant.xml b/res/drawable/btn_addparticipant.xml
new file mode 100644
index 000000000..85ab180bd
--- /dev/null
+++ b/res/drawable/btn_addparticipant.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+Copyright (c) 2014, The Linux Foundation. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of The Linux Foundation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ -->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:drawable="@drawable/btn_background" />
+
+    <item>
+        <bitmap android:src="@drawable/ic_add_group_holo_dark"
+            android:gravity="center"
+            android:tint="@color/selectable_icon_tint" />
+    </item>
+
+</layer-list>
\ No newline at end of file