模仿天天动听的seekbar

 // main.xml<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical" android:layout_width="fill_parent"android:layout_height="fill_parent"><SeekBar android:id="@+id/seek" android:layout_width="fill_parent"android:layout_height="wrap_content" android:minHeight="2px" android:maxHeight="2px"android:paddingLeft="5px" android:paddingRight="5px" android:max="100"android:progress="50" android:progressDrawable="@drawable/seekbar_img"android:thumb="@drawable/thumb" android:thumbOffset="1px"android:scrollbarStyle="outsideOverlay" /> </LinearLayout>//seekbar_img.xml<?xml version="1.0" encoding="utf-8"?><layer-list xmlns:android="http://schemas.android.com/apk/res/android"><!-- 背景图 --><item android:id="@android:id/background"  android:drawable="@drawable/seekbar_back" /><!--全部能量图  --><!-- <item android:id="@+android:id/SecondaryProgress"  android:drawable="@drawable/back" /> --><!-- 进和能量图 --><item android:id="@android:id/progress"       android:drawable="@drawable/seekbar_fill" /></layer-list>// thumb.xml<?xml version="1.0" encoding="UTF-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android"><!-- 按下状态 --><item android:state_pressed="true" android:drawable="@drawable/seekbar_handle" /><!-- 普通无焦点状态 --><item android:state_focused="false" android:state_pressed="false"android:drawable="@drawable/seekbar_handle" /></selector>