First, you should set SeekBar XML :
.
android:progressDrawable="@drawable/seekbar_style"
android:thumb="@drawable/thumb_style"
.
.
/>
Second, set seekbar_style like this (Use .PNG image)
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="https://schemas.android.com/apk/res/android">
<item android:id="@android:id/background"
android:drawable="@drawable/seekbar_bg" />
<item android:id="@android:id/secondaryProgress">
<item android:id="@android:id/progress">
<clip android:drawable="@drawable/seekbar_fp" />
</item>
</layer-list>
<SeekBar
..
android:progressDrawable="@drawable/seekbar_style"
android:thumb="@drawable/thumb_style"
.
.
/>
Second, set seekbar_style like this (Use .PNG image)
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="https://schemas.android.com/apk/res/android">
<item android:id="@android:id/background"
android:drawable="@drawable/seekbar_bg" />
<item android:id="@android:id/secondaryProgress">
<clip android:drawable="@drawable/seekbar_sp" />
</item><item android:id="@android:id/progress">
<clip android:drawable="@drawable/seekbar_fp" />
</item>
</layer-list>
