Answers for "in xml android"

android studio include gson in app

// Module level build.gradle
dependencies {
     implementation 'com.google.code.gson:gson:2.8.5' // Old 2.8.2
}

stepview in android

<com.shuhart.stepview.StepView
	android:id="@+id/step_view"
	android:layout_width="match_parent"
	android:layout_height="wrap_content"
	android:padding="16dp"
	app:sv_selectedCircleColor="@color/colorAccent"
	app:sv_selectedTextColor="@color/colorAccent"
	app:sv_stepLineWidth="1dp"
	app:sv_stepPadding="4dp"
    app:sv_nextTextColor="@color/colorAccent"
	app:sv_nextStepLineColor="@color/colorAccent"
	app:sv_doneCircleColor="@color/colorAccent"
	app:sv_doneStepLineColor="@color/colorAccent"
	app:sv_doneCircleRadius="12dp"
	app:sv_selectedCircleRadius="12dp"
	app:sv_selectedStepNumberColor="@color/colorPrimary"
	app:sv_stepViewStyle="@style/StepView"
	app:sv_doneStepMarkColor="@color/colorPrimary"
	app:sv_stepNumberTextSize="12sp"
	app:sv_animationType="Line"
  app:sv_typeface="@font/roboto_italic"/>