<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"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.kale.seekbar.MainActivity" >

    <!--  android:thumb="@drawable/ic_launcher" 设置滑块的图片 -->

    <SeekBar

        android:id="@+id/seekBar_id"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:max="100"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:thumb="@drawable/ic_launcher"

        android:layout_marginTop="74dp" /></RelativeLayout>

package com.kale.seekbar;

import android.os.Bundle;

import android.support.v7.app.ActionBarActivity;

import android.widget.SeekBar;

import android.widget.Toast;

import android.widget.SeekBar.OnSeekBarChangeListener;

public class MainActivity extends ActionBarActivity {

    SeekBar sBar;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        sBar = (SeekBar)findViewById(R.id.seekBar_id);

        sBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

            private int progress = 0;

            @Override

            public void onStopTrackingTouch(SeekBar arg0) {

                System.out.println(progress);

                Toast.makeText(getApplicationContext(),"当前进度 = "+progress, 0).show();

            }

            @Override

            public void onStartTrackingTouch(SeekBar arg0) {

            }

            @Override

            public void onProgressChanged(SeekBar arg0, int p, boolean arg2) {

                progress = p;

            }

        });

    }

}