xml - error: No resource identifier found for attribute 'paddingbottom' in package 'android' -


there problem in relative layout "paddingbottom" please tell me how resolve it

<textview android:id="@+id/textview1" android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="@string/hello_world">  <imageview android:id="@+id/imageview_image" android:layout_below="@+id/textview1" android:layout_height="wrap_content" android:layout_margintop="64dp" android:layout_torightof="@+id/textview1" android:layout_width="wrap_content">  <button android:id="@+id/button_insert" android:layout_below="@+id/imageview_image" android:layout_height="wrap_content" android:layout_margintop="45dp" android:layout_torightof="@+id/textview1" android:layout_width="wrap_content" android:text="insert in db">  </button><button android:id="@+id/button_retrieve" android:layout_alignleft="@+id/button_insert" android:layout_below="@+id/button_insert" android:layout_height="wrap_content" android:layout_margintop="56dp" android:layout_width="wrap_content" android:text="retrieve db">

use tag

android:paddingbottom="your_value_in_dp"

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