Android xml button has a fine border to it -

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first time having go @ android app.

i added button interface using xml . set stlye standard widget.button .

the xml button :

 <button         android:id="@+id/button"         android:layout_width="200dp"         android:layout_height="wrap_content"         style="@android:style/widget.button"         android:text="help me !"         android:layout_gravity="center"         />

i can't post picture because of low reputation.*

how can remove small lines surrounding button?

the selected theme material black if helps .

make own xml style file , place in drawable folder below...(for example style1.xml)

<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"> <solid android:color="#31b6e7" />     <stroke android:width="1.5dp" //this change surrounding lines width     android:color="#31b6e7" />  <corners android:radius="2dp"/>  </shape>

and set style in button..

<button      android:id="@+id/button"      android:layout_width="200dp"      android:layout_height="wrap_content"      android:backgroung="@drawable/style1"      android:text="help me !"      android:layout_gravity="center"  />

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