seekbar - android - cant put thumb on center of a seek bar -

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i want know how set thumb @ center of seekbar. don't know how express, i'll add link of pic. first img seekbar design guides, , belows seekbars.

enter image description here

(ignore corners. fixed after capturing imgs.) @ first, designer, got 2 separate img of text, , bad. combined those. thought work thumb. got these result... please me.. thank you!

drawable : progressbar_goodbad 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>         <gradient             android:startcolor="#f5c0bd"             android:centercolor="#f5c0bd"             android:centery="0.75"             android:endcolor="#f5c0bd"             android:angle="270"/>         <padding android:left="10dp"             android:top="1dp"             android:right="10dp"             android:bottom="1dp"/>      <corners         android:bottomrightradius="10dp"         android:bottomleftradius="10dp"         android:topleftradius="10dp"         android:toprightradius="10dp"/> </shape> </item> <item android:id="@android:id/secondaryprogress"> <clip>     <shape>         <gradient             android:startcolor="#234"             android:centercolor="#234"             android:centery="0.75"             android:endcolor="#a24"             android:angle="90"/>         <padding android:left="1dp"             android:top="1dp"             android:right="1dp"             android:bottom="1dp"/>      <corners         android:bottomrightradius="10dp"         android:bottomleftradius="10dp"         android:topleftradius="10dp"         android:toprightradius="10dp"/>         </shape> </clip> </item> <item android:id="@android:id/progress"> <clip>    <shape>         <gradient             android:startcolor="#fc9a94"             android:centercolor="#fc9a94"             android:centery="0.75"             android:endcolor="#fc9a94"             android:angle="90"/>         <padding android:left="1dp"             android:top="1dp"             android:right="1dp"             android:bottom="1dp"/>      <corners         android:bottomrightradius="10dp"         android:bottomleftradius="10dp"         android:topleftradius="10dp"         android:toprightradius="10dp"/>     </shape> </clip> </item> </layer-list>

part of main layout xml

<seekbar      android:id="@+id/seekbar_fun"      android:layout_width="fill_parent"      android:layout_height="wrap_content"      android:layout_marginbottom="3dp"      android:paddingleft="10dp"      android:paddingright="10dp"      android:max="100"      android:progress="60"      android:progressdrawable="@drawable/progressbar_goodbad"      android:thumb="@drawable/f_02_good_bad_text" />

(answer found in twinsens link.)

your thumb image needs have it's yellow dot @ center (horizontally); add transparent pixels left or right make so. then, change android:thumboffset half thumb image size. example, if image 10dp in width, set android:thumboffset 5dp.


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