android 实现透明按钮

Here we are going to see how to make a button transparent in Android…

 <Button android:background="@android:color/transparent" 

  android:text="@+id/Button01" 

  android:id="@+id/Button01" 

  android:layout_width="wrap_content" 

  android:layout_height="wrap_content" 

  android:textColor="#ffffff" /> 

By using android:background=”@android:color/transparent” the button background will become transparent