rating bar pada android studio

http://www.geeks.gallery/how-to-code-custom-ratingbar-in-android/
http://android-helper.blogspot.co.id/2011/06/android-custom-ratingbar-example.html
http://custom-android-dn.blogspot.co.id/2013/01/how-to-use-and-custom-ratingbar-in.html

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.skholingua.android.custom_ratingbar.MainActivity" >

<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/ratingBar1"
android:layout_centerHorizontal="true"
android:text="Default - Indicator"
android:textAppearance="?android:attr/textAppearanceSmall" />

<TextView
android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="@+id/ratingBar2"
android:layout_marginTop="15dp"
android:text="Default - Small"
android:textAppearance="?android:attr/textAppearanceSmall" />

<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/ratingBar3"
android:layout_centerHorizontal="true"
android:layout_marginTop="32dp"
android:text="Custom - Only Color"
android:textAppearance="?android:attr/textAppearanceSmall" />

<RatingBar
android:id="@+id/ratingBar5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="@+id/textView2" />

<RatingBar
android:id="@+id/ratingBar2"
style="?android:attr/ratingBarStyleIndicator"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textView3"
android:layout_centerHorizontal="true" />

<RatingBar
android:id="@+id/ratingBar1"
style="?android:attr/ratingBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="@+id/textView1" />

<RatingBar
android:id="@+id/ratingBar3"
style="?android:attr/ratingBarStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="@+id/textView4" />

<RatingBar
android:id="@+id/ratingBar4"
style="@style/StarRatingBar"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_centerHorizontal="true"
android:layout_below="@+id/textView5" />

<TextView
android:id="@+id/textView6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/ratingBar4"
android:layout_centerHorizontal="true"
android:text="RatingBar with only one touch"
android:textAppearance="?android:attr/textAppearanceSmall" />

<RatingBar
android:id="@+id/ratingBar6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="@+id/textView6" />

<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="29dp"
android:text="Default Style"
android:textAppearance="?android:attr/textAppearanceSmall" />

<TextView
android:id="@+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/ratingBar5"
android:layout_centerHorizontal="true"
android:text="Custom - Images"
android:textAppearance="?android:attr/textAppearanceSmall" />

</RelativeLayout>

http://www.geeks.gallery/how-to-code-custom-ratingbar-in-android/

RatingBar rate = new RatingBar();
rate.setRating(2.5f);