res/anim/search_appear.xml

<?xml version="1.0" encoding="utf-8"?>

<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="400"
    android:interpolator="@android:anim/decelerate_interpolator"
    android:shareInterpolator="true"
    android:startOffset="200">
    <alpha
        android:fromAlpha="0"
        android:toAlpha="1" />
    <translate
        android:fromXDelta="100%"
        android:toXDelta="0%" />
</set>