Android_anim_Rotation.xml

<!-- Rotation 0 to 180 degree -->

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:fillAfter="true">

    <rotate
        android:duration="150"
        android:fromDegrees="0"
        android:toDegrees="180"
        android:interpolator="@android:anim/linear_interpolator"
        android:pivotX="50%"
        android:pivotY="50%"
        />
</set>

your_Activity.java

Animation animation = AnimationUtils.loadAnimation(your_Activity.getApplicationContext(),R.anim.animation_xml_file);
AnyView target_view = (AnyView)findViewById(R.id.target_view_id);

target_view.startAnimation(animation);

// animation, your_Activity, animation_xml_file, AnyView, target_view, target_view_id