diff --git a/app/src/main/res/anim/alpha_in.xml b/app/src/main/res/anim/alpha_in.xml
new file mode 100644
index 0000000..da664e6
--- /dev/null
+++ b/app/src/main/res/anim/alpha_in.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="1000" />
+</set>
\ No newline at end of file
diff --git a/app/src/main/res/anim/alpha_out.xml b/app/src/main/res/anim/alpha_out.xml
new file mode 100644
index 0000000..7823051
--- /dev/null
+++ b/app/src/main/res/anim/alpha_out.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="1000" />
+</set>
\ No newline at end of file