自定义seekBar

progressDrawable.xml

<?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 android:shape="rectangle" >
            <solid android:color="#a0a0a0" />

            <corners android:radius="0dp" />
        </shape>
    </item>
    <item android:id="@android:id/secondaryProgress">
        <clip>
            <shape android:shape="rectangle" >
                <solid android:color="#f0f0f0" />

                <corners android:radius="0dp" />
            </shape>
        </clip>
    </item>
    <item android:id="@android:id/progress">
        <clip>
            <shape android:shape="rectangle" >
                <solid android:color="#ff5555" />

                <corners android:radius="0dp" />
            </shape>
        </clip>
    </item>

</layer-list>

SeekBar.xml

    <SeekBar
        android:id="@+id/mediacontroller_progress"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="match_parent"
        android:layout_height="24dp"
        android:maxHeight="2dp"
        android:progressDrawable="@drawable/seekbar"
        android:thumb="@drawable/seekbar_thumb" />
        
        
    
    

thumb.xml

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

    <item android:drawable="@drawable/btn_video_slider_selected" android:state_pressed="true"/>
    <item android:drawable="@drawable/btn_video_slider_normal" android:state_focused="false" android:state_pressed="false"/>

</selector>