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, 6 insertions, 3 deletions

diff --git a/java/com/android/newbubble/NewCheckableButton.java b/java/com/android/newbubble/NewCheckableButton.java
index 63525a4a1..8e43335ca 100644
--- a/java/com/android/newbubble/NewCheckableButton.java
+++ b/java/com/android/newbubble/NewCheckableButton.java
@@ -17,6 +17,7 @@
 package com.android.newbubble;
 
 import android.content.Context;
+import android.content.res.ColorStateList;
 import android.support.v4.view.AccessibilityDelegateCompat;
 import android.support.v4.view.ViewCompat;
 import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
@@ -68,10 +69,12 @@ public class NewCheckableButton extends AppCompatButton implements Checkable {
   public void setChecked(boolean checked) {
     if (mChecked != checked) {
       mChecked = checked;
-      setTextColor(
+      int newColor =
           checked
-              ? getContext().getColor(R.color.bubble_button_text_color_blue)
-              : getContext().getColor(R.color.bubble_button_text_color_black));
+              ? getContext().getColor(R.color.bubble_button_color_blue)
+              : getContext().getColor(R.color.bubble_button_color_grey);
+      setTextColor(newColor);
+      setCompoundDrawableTintList(ColorStateList.valueOf(newColor));
     }
   }