<LinearLayout 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"android:orientation="vertical"tools:context=".MainActivity" ><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="@string/hello_world" /><SeekBarandroid:id="@+id/seekBar1"android:layout_width="match_parent"android:layout_height="wrap_content"/><RatingBarandroid:id="@+id/ratingBar1"android:layout_width="wrap_content"android:layout_height="wrap_content"/></LinearLayout>

import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import android.widget.RatingBar;
import android.widget.RatingBar.OnRatingBarChangeListener;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;public class MainActivity extends Activity implements OnSeekBarChangeListener,OnRatingBarChangeListener{private SeekBar seekBar = null;private RatingBar ratingBar = null;private static final String TAG="info";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);seekBar = (SeekBar) findViewById(R.id.seekBar1);ratingBar = (RatingBar) findViewById(R.id.ratingBar1);seekBar.setOnSeekBarChangeListener(this);ratingBar.setOnRatingBarChangeListener(this);}@Overridepublic void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {Log.i(TAG, ""+progress);}@Overridepublic void onStartTrackingTouch(SeekBar seekBar) {Log.i(TAG, ""+"StartTrackingTouch");}@Overridepublic void onStopTrackingTouch(SeekBar seekBar) {Log.i(TAG, "StopTrackingTouch");}@Overridepublic void onRatingChanged(RatingBar arg0, float arg1, boolean arg2) {Log.i(TAG, arg1+"");}}