Improved switcher annimations

Author: saulmm

app/src/main/res/anim/slide_in_right.xml

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<set xmlns:android="http://schemas.android.com/apk/res/android">
+<set
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:interpolator="@android:interpolator/fast_out_slow_in"
+    >
+
     <translate
         android:duration="@android:integer/config_mediumAnimTime"
         android:fromXDelta="100%p"

app/src/main/res/anim/slide_out_left.xml

@@ -1,7 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
-<set xmlns:android="http://schemas.android.com/apk/res/android">
-    <translate android:fromXDelta="0" android:toXDelta="-100%p"
-        android:duration="@android:integer/config_mediumAnimTime"/>
-    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
-        android:duration="@android:integer/config_mediumAnimTime" />
+<set
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:interpolator="@android:interpolator/fast_out_slow_in"
+    >
+
+    <translate
+        android:duration="@android:integer/config_mediumAnimTime"
+        android:fromXDelta="0"
+        android:toXDelta="-100%p"
+        />
+
+    <alpha
+        android:duration="@android:integer/config_mediumAnimTime"
+        android:fromAlpha="1.0"
+        android:toAlpha="0.0"
+        />
 </set>