Implement some UI changes.

Including:
- merge end call button with other buttons
- add ripple effect for buttons
- adjust elevation according to material design guide
- add triangle in expanded view
Bug: 67605985
Test: manual
PiperOrigin-RevId: 174253861
Change-Id: I7b5315245a322235efb39a9cda26b8686cc7bbf9

1 files changed, 23 insertions, 0 deletions

diff --git a/java/com/android/newbubble/res/drawable/bubble_shape_circle_small.xml b/java/com/android/newbubble/res/drawable/bubble_shape_circle_small.xml
new file mode 100644
index 000000000..73b9cf338
--- /dev/null
+++ b/java/com/android/newbubble/res/drawable/bubble_shape_circle_small.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2017 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
+  <solid android:color="@android:color/white"/>
+  <size android:width="@dimen/bubble_small_icon_size"
+      android:height="@dimen/bubble_small_icon_size"/>
+</shape>