SeeKBarTest

package com.hyz;import android.app.Activity;import android.os.Bundle;import android.widget.SeekBar;public class SeekBarJsd extends Activity {   private SeekBar seekBar = null;  /** Called when the activity is first created. */       public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                seekBar = (SeekBar) findViewById(R.id.seekBarId);        //设置该进度条的最大值,默认情况下为O        seekBar.setMax(100);        seekBar.setProgress(10);        seekBar.setOnSeekBarChangeListener(seekBarListener);    }        /**     * SeekBarListener      * 定义一个监听器,该监听器负责监听进度条进度的改变     */ private SeekBar.OnSeekBarChangeListener seekBarListener = new SeekBar.OnSeekBarChangeListener() {       /**      * 当用户结束对滑块滑动时,调用该方法      */  public void onStopTrackingTouch(SeekBar seekBar) {   // TODO Auto-generated method stub   System.out.println("stop: > "+seekBar.getProgress());  }    /**   * 当用户开始滑动滑块时调用该方法   */  public void onStartTrackingTouch(SeekBar seekBar) {   // TODO Auto-generated method stub   System.out.println("start: => "+seekBar.getProgress());  }    /**   * 当进度条发生变化时调用该方法   */  public void onProgressChanged(SeekBar seekBar, int progress,    boolean fromUser) {   // TODO Auto-generated method stub   System.out.println("Changed: => "+progress);  }};}

main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><TextView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="@string/hello"    />    <SeekBar     android:id="@+id/seekBarId"     android:layout_width="fill_parent"     android:layout_height="wrap_content"     /></LinearLayout>

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