SeekBar自定义(颜色,大小,图片)

要实现下面图的效果 

 

import android.os.Bundle;

/**
 * Seekbar 自定义 
 * 颜色
 * @author Andy
 *
 */
public class TestSeekBar extends Activity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  // TODO Auto-generated method stub
  super.onCreate(savedInstanceState);
  this.setContentView(R.layout.main);
 }
 
 

}

方法一:

-----------------------

 main.xml

<SeekBar android:id="@android:id/progress" 
        style="?android:attr/progressBarStyleHorizontal"  
        android:layout_width="fill_parent" 
        android:layout_height="23dip" 
        android:paddingLeft="25dip" 
        android:paddingRight="25dip" 
        android:paddingBottom="4dip"

       android:progressDrawable="@drawable/seekbar_style"    
        android:thumb="@drawable/thumb"   /> 

---------------------------------------

   <!-- 拖动按钮   thumb.xml-->   

<?xml version="1.0" encoding="UTF-8"?>    
<selector xmlns:android="http://schemas.android.com/apk/res/android">          
    <!-- 按下状态 -->   
    <item      
        android:state_pressed="true"      
        android:drawable="@drawable/thumb_bt_pressed" />     
               
    <!-- 普通无焦点状态 -->   
    <item      
        android:state_focused="false"      
        android:state_pressed="false"    
        android:drawable="@drawable/thumb_bt" />  
 
</selector> 

----------------------------------------------

  <!-- seekbar 图形  seekbar_style.xml -->   

<?xml version="1.0" encoding="UTF-8"?>    
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">    
    <!-- SEEKBAR背景底部的颜色 -->
   <item android:id="@android:id/background">    
      <shape>    
         <corners android:radius="10dip" />    
         <gradient    
             android:startColor="#ffffffff" 
             android:centerColor="#ff000000"    
             android:endColor="#ff808A87"   
             android:centerY="0.45"    
             android:angle="270"/>    
      </shape>    
   </item>    
        <!-- 拖动后的颜色 -->
   <item android:id="@android:id/progress">    
       <clip>    
          <shape>    
              <corners android:radius="10dip" />    
              <gradient    
                  android:startColor="#ffffffff" 
                  android:centerColor="#ffFFFF00"    
                  android:endColor="#ffAABD00"   
                  android:centerY="0.45"    
                  android:angle="270"/>    
          </shape>    
       </clip>    
   </item>    
 </layer-list>  

 方法二:

 直接定义图片:

<!-- 自定义图片方式 main.xml-->
<SeekBar
    android:id="@+id/seekbar"
   
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:max="20"
    android:progress="0"
    android:secondaryProgress="0"
    android:paddingLeft="32px"
    android:paddingRight="32px"
    android:progressDrawable="@drawable/seekbar_img"
    android:thumb="@drawable/thumb"
    />

-------------------------------------------------------------

<!-- seekbar 图形   seekbar_img.xml -->   

<?xml version="1.0" encoding="utf-8"?>
<layer-list
  xmlns:android="http://schemas.android.com/apk/res/android"
>
<!-- 背景图 -->
  <item
    android:id="@+android:id/background"
    android:drawable="@drawable/seekbar_bg" />
    <!--全部能量图  -->
  <item
    android:id="@+android:id/SecondaryProgress"
    android:drawable="@drawable/seekbar_rawbcon" />
    <!-- 进和能量图 -->
  <item
    android:id="@+android:id/progress"
    android:drawable="@drawable/progress_cookedbacon" />
</layer-list>

 ----------------------------------

  <!-- 拖动按钮  thumb.xml-->   

<?xml version="1.0" encoding="UTF-8"?>    
<selector xmlns:android="http://schemas.android.com/apk/res/android">          
    <!-- 按下状态 -->   
    <item      
        android:state_pressed="true"      
        android:drawable="@drawable/thumb_bt_pressed" />     
               
    <!-- 普通无焦点状态 -->   
    <item      
        android:state_focused="false"      
        android:state_pressed="false"    
        android:drawable="@drawable/thumb_bt" />  
 
</selector>