android圆形进度条ProgressBar颜色设置

花样android Progressbar http://www.eoeandroid.com/thread-1081-1-1.html 
http://www.cnblogs.com/xirihanlin/archive/2010/06/14/1758145.html 

xml布局文件需加入如下的进度条构件： 

 <ProgressBar
         android:id="@+id/loadProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:indeterminateDrawable="@drawable/progressbar" />

其中的indeterminteDrawable属性就是用来设置进度条颜色等属性的，其内容如下： 

 <?xml version="1.0" encoding="utf-8"?>
 <rotate xmlns:android="http://schemas.android.com/apk/res/android"
     android:fromDegrees="0"
     android:pivotX="50%"
     android:pivotY="50%"
     android:toDegrees="360" >

     <shape
         android:innerRadiusRatio="3"
         android:shape="ring"
         android:thicknessRatio="8"
         android:useLevel="false" >

         <gradient
             android:centerColor="#FFFFFF"
             android:centerY="0.50"
             android:endColor="#FFFF00"
             android:startColor="#000000"
             android:type="sweep"
             android:useLevel="false" />
     </shape>

 </rotate>

参考:http://dev.10086.cn/cmdn/bbs/viewthread.php?tid=18469 
http://tienfook.blog.163.com/blog/static/1666620112010528637217/ 
http://www.ihoton.com/androidandroid-progressbar-color.html 

三种方式实现自定义圆形页面加载中效果的进度条: 
来自:http://407827531.iteye.com/blog/1067025 

默认情况下Indeterminate Progressbar是白色的，如果容器的背景也是白色的，这样就根本看不到Progressbar了。 

幸好Android自带了一些反转样式，你可以采用其中一个合适的： 

 <ProgressBar style="@android:style/Widget.ProgressBar.Inverse"/>
 <ProgressBar style="@android:style/Widget.ProgressBar.Large.Inverse"/>
 <ProgressBar style="@android:style/Widget.ProgressBar.Small.Inverse"/>

进度条: 

 <ProgressBar
         style="?android:attr/progressBarStyleHorizontal"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content" />
 <ProgressBar
         android:id="@+id/circleProgressBar"
         style="?android:attr/progressBarStyleLarge"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         mce_style="?android:attr/progressBarStyleLarge" />

一、通过动画实现 
定义res/anim/loading.xml如下： 

 <?xml version="1.0" encoding="UTF-8"?>
 <animation-list xmlns:android="http://schemas.android.com/apk/res/android"
     android:oneshot="false" >

     <item
         android:drawable="@drawable/loading_01"
         android:duration="150"/>

     <item
         android:drawable="@drawable/loading_02"
         android:duration="150"/>

     <item
         android:drawable="@drawable/loading_03"
         android:duration="150"/>

     <item
         android:drawable="@drawable/loading_04"
         android:duration="150"/>

     <item
         android:drawable="@drawable/loading_05"
         android:duration="150"/>

     <item
         android:drawable="@drawable/loading_06"
         android:duration="150"/>

     <item
         android:drawable="@drawable/loading_07"
         android:duration="150"/>

 </animation-list>

在layout文件中引用如下： 

 <ProgressBar
         android:id="@+id/loading_process_dialog_progressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:indeterminate="false"
         android:indeterminateDrawable="@anim/loading" />

二、通过自定义颜色实现 
定义res/drawable/dialog_style_xml_color.xml如下： 

 <?xml version="1.0" encoding="utf-8"?>
 <rotate xmlns:android="http://schemas.android.com/apk/res/android"
     android:fromDegrees="0"
     android:pivotX="50%"
     android:pivotY="50%"
     android:toDegrees="360" >

     <shape
         android:innerRadiusRatio="3"
         android:shape="ring"
         android:thicknessRatio="8"
         android:useLevel="false" >

         <gradient
             android:centerColor="#FFDC35"
             android:centerY="0.50"
             android:endColor="#CE0000"
             android:startColor="#FFFFFF"
             android:type="sweep"
             android:useLevel="false" />
     </shape>

 </rotate>

在layout文件中引用如下： 

 <ProgressBar
         android:id="@+id/loading_process_dialog_progressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:indeterminate="false"
         android:indeterminateDrawable="@drawable/dialog_style_xml_color" />

三、使用一张图片进行自定义 
定义res/drawable/dialog_style_xml_icon.xml如下： 

 <?xml version="1.0" encoding="utf-8"?>
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

     <item>
         <rotate
             android:drawable="@drawable/dialog_progress_round"
             android:fromDegrees="0.0"
             android:pivotX="50.0%"
             android:pivotY="50.0%"
             android:toDegrees="360.0" />
     </item>

 </layer-list>

在layout文件中引用如下： 

 <ProgressBar
         android:id="@+id/loading_process_dialog_progressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:indeterminate="false"
         android:indeterminateDrawable="@drawable/dialog_style_xml_icon" />

或者 

 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@android:id/background">
     <shape>
         <corners android:radius="5dip" />
         <gradient android:startColor="#ff9d9e9d"
              android:centerColor="#ff5a5d5a"
              android:centerY="0.75"
              android:endColor="#ff747674"
              android:angle="270"
              />
     </shape>
 </item>
 <item android:id="@android:id/secondaryProgress">
     <clip>
         <shape>
             <corners android:radius="5dip" />
             <gradient android:startColor="#80ffd300"
                  android:centerColor="#80ffb600"
                  android:centerY="0.75"
                  android:endColor="#a0ffcb00"
                  android:angle="270"
                 />
         </shape>
     </clip>
 </item>
 <item android:id="@android:id/progress">
     <clip>
         <shape>
             <corners android:radius="5dip" />
             <gradient android:startColor="@color/progress_start"
                 android:endColor="@color/progress_end"
                 android:angle="270" />
         </shape>
     </clip>
 </item>
 </layer-list>

代码中设置: 

 mProgress = (ProgressBar) findViewById(R.id.progress_bar);
         Drawable d = this.getResources().getDrawable(R.drawable.my_progress);
         mProgress.setProgressDrawable(d);