progressDrawable的定义:
<?xml version="1.0" encoding="utf-8"?>
<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="#ff364956"
android:centerColor="#ff444444"
android:centerY="0.75"
android:endColor="#ff00112e"
android:angle="90"
/>
</shape>
</item>
<item android:id="@android:id/secondaryProgress">
<clip>
<shape>
<corners android:radius="5dip" />
<gradient
android:startColor="#80364956"
android:centerColor="#802f67a6"
android:centerY="0.75"
android:endColor="#8000112e"
android:angle="270"
/>
</shape>
</clip>
</item>
<item android:id="@android:id/progress">
<clip>
<shape>
<corners android:radius="5dip" />
<gradient
android:startColor="#ff9ee5ff"
android:centerColor="#ff9ee5ff"
android:centerY="0.75"
android:endColor="#ff9ee5ff"
android:angle="90"
/>
</shape>
</clip>
</item>
</layer-list>
thumb定义:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval" >
<solid android:color="#ffec700c" />
<size
android:height="8.0dip"
android:width="8.0dip" />
</shape>
style的定义:
<style name="MediaController_SeekBar">
<item name="android:maxHeight">16.0dip</item>
<item name="android:progressDrawable">@drawable/mediacontroller_seekbar_drawable</item>
<item name="android:minHeight">16.0dip</item>
<item name="android:thumb">@drawable/mediacontroller_seekbar_thumb</item>
</style>
布局里面的使用:
<SeekBar
android:id="@+id/seekbar"
android:layout_width="0dp"
style="@style/MediaController_SeekBar"
android:layout_height="wrap_content"
android:layout_marginEnd="5dp"
android:layout_weight="5.0"
android:max="100"
android:maxHeight="5dp"
android:minHeight="5dp"
android:progress="0"
android:thumbOffset="0dp" />