自定义条形ProgressBar和SeekBar的颜色

<?xml version="1.0" encoding="UTF-8"?>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

<item android:id="@android:id/background" android:drawable="@drawable/bg" />
<item android:id="@android:id/secondaryProgress" android:drawable="@drawable/secondary" />
<item android:id="@android:id/progress" android:drawable="@drawable/progress" />
</layer-list>

<ProgressBar android:id="@+id/progressBar1"
style="@android:style/Widget.ProgressBar.Horizontal"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:visibility="gone"
android:progressDrawable="@drawable/color"/>
<SeekBar android:layout_width="fill_parent"
android:layout_height="wrap_content" android:max="100"
android:layout_marginTop="20dp" android:progress="30"
android:progressDrawable="@drawable/color" />