SeekBar的使用方法

package cn.edu.design;

import android.app.Activity;
import android.os.Bundle;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;

public class SeekBarActivity extends Activity {
    /** Called when the activity is first created. */
	private SeekBar seekBar;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        seekBar=(SeekBar)this.findViewById(R.id.seekbar);
        seekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener(){

			@Override
			public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
				// TODO Auto-generated method stub
				
			}

			@Override
			public void onStartTrackingTouch(SeekBar arg0) {
				// TODO Auto-generated method stub
				
			}

			@Override
			public void onStopTrackingTouch(SeekBar arg0) {
				// TODO Auto-generated method stub
				
			}
        	
        });
     
    }
}

 

 

布局文件

 

<?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/seekbar"
 	android:layout_width="fill_parent"
 	android:layout_height="wrap_content"
 	
 />
 
 
</LinearLayout>