dialog_bottom_in.xml

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:duration="300"
        android:fromYDelta="100%p"
        android:toYDelta="0" />
    <alpha
        android:duration="500"
        android:fromAlpha="0.0"
        android:toAlpha="1.0" />
</set>