Distance from button contents to button frame

Question

I have several buttons in my app and would like to change the red marked distance in my screenshot to "0". So that the number inside the button is as big as possible.

I just don't know how this is possible.

Here my .xml code:

<Button

android:id="@+id/b20"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:insetLeft="6dp"

android:insetRight="6dp"

android:text="@string/_20"

android:textAppearance="@style/TextAppearance.AppCompat.Large"

app:layout_constraintBottom_toTopOf="@+id/b16"

app:layout_constraintEnd_toStartOf="@+id/b19"

app:layout_constraintHorizontal_bias="0.5"

app:layout_constraintStart_toStartOf="parent"

app:layout_constraintTop_toTopOf="parent" />

I appreciate every hint or advice. Thanks.

Answer 1

Try

            android:paddingVertical="20dp"

it may help you if you want to increase the size of button or

    android:textSize="15sp"

it will increase the font size and the button will become bigger automatically