Android编程自定义进度条颜色的方法详解

<style name="Widget.ProgressBar">
 <item name="android:indeterminateOnly">true</item>
 <itemname="android:indeterminateDrawable">@android:drawable/progress_medium_white</item>
 <item name="android:indeterminateBehavior">repeat</item>
 <item name="android:indeterminateDuration">3500</item>
 <item name="android:minWidth">48dip</item>
 <item name="android:maxWidth">48dip</item>
 <item name="android:minHeight">48dip</item>
 <item name="android:maxHeight">48dip</item>
</style>

<style name="Widget.ProgressBar.Horizontal">
 <item name="android:indeterminateOnly">false</item>
 <item name="android:progressDrawable">@android:drawable/progress_horizontal</item>
 <itemname="android:indeterminateDrawable">@android:drawable/progress_indeterminate_horizontal</item>
 <item name="android:minHeight">20dip</item>
 <item name="android:maxHeight">20dip</item>
</style>

<?xml version="1.0" encoding="utf-8"?>
<!--
 Copyright (C) 2008 The Android Open Source Project
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
  http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
-->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
 <item android:id="@android:id/background">
 <shape>
  <corners android:radius="5dip" />
  <gradient
  android:angle="270"
  android:centerColor="#ff5a5d5a"
  android:centerY="0.75"
  android:endColor="#ff747674"
  android:startColor="#ff9d9e9d" />
 </shape>
 </item>
 <item android:id="@android:id/secondaryProgress">
 <clip>
  <shape>
  <corners android:radius="5dip" />
  <gradient
   android:angle="270"
   android:centerColor="#80ffb600"
   android:centerY="0.75"
   android:endColor="#a0ffcb00"
   android:startColor="#80ffd300" />
  </shape>
 </clip>
 </item>
 <item android:id="@android:id/progress">
 <clip>
  <shape>
  <corners android:radius="5dip" />
  <gradient
   android:angle="270"
   android:centerColor="#ffffb600"
   android:centerY="0.75"
   android:endColor="#ffffcb00"
   android:startColor="#ffffd300" />
  </shape>
 </clip>
 </item>
</layer-list>

android:startColor="#80ffd300"
android:centerColor="#80ffb600"
android:endColor="#ff747674"

<style name="ProgressBar_Mini" parent="@android:style/Widget.ProgressBar.Horizontal">
 <item name="android:maxHeight">50dip</item>
 <item name="android:minHeight">8dip</item>
 <item name="android:indeterminateOnly">false</item>
 <itemname="android:indeterminateDrawable">@android:drawable/progress_indeterminate_horizontal</item>
 <item name="android:progressDrawable">@drawable/progressbar_mini</item>
</style>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
 <item android:id="@android:id/background">
 <shape>
  <corners android:radius="5dip" />
  <gradient
  android:angle="270"
  android:centerY="0.75"
  android:endColor="#F5F5F5"
  android:startColor="#BEBEBE" />
 </shape>
 </item>
 <item android:id="@android:id/secondaryProgress">
 <clip>
  <shape>
  <corners android:radius="0dip" />
  <gradient
   android:angle="270"
   android:centerY="0.75"
   android:endColor="#165CBC"
   android:startColor="#85B0E9" />
  </shape>
 </clip>
 </item>
 <item android:id="@android:id/progress">
 <clip>
  <shape>
  <corners android:radius="5dip" />
  <gradient
   android:angle="270"
   android:centerY="0.75"
   android:endColor="#165CBC"
   android:startColor="#85B0E9" />
  </shape>
 </clip>
 </item>
</layer-list>

<ProgressBar
 android:id="@+id/progress"
 style="@style/ProgressBar_Mini"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 android:progress="50" />