<?xml version="1.0" encoding="utf-8"?>
  <LinearLayout
      xmlns:android="http://schemas.android.com/apk/res/android"

      xmlns:tools="http://schemas.android.com/tools"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:orientation="vertical"
      tools:context=".MainActivity">
  
      <TextView
          android:id="@+id/info"

          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:lines="2"/>

  
      <Button
          android:id="@+id/login"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:text="login"/>

      <LinearLayout
          android:id="@+id/main_layout"

          android:layout_width="match_parent"

          android:layout_height="match_parent"
          android:orientation="vertical"
          android:visibility="gone">
  
          <Button
              android:id="@+id/check"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:text="check payemnt state"/>
  
          <Button

              android:id="@+id/link"

              android:layout_width="match_parent"
              android:layout_height="wrap_content"

              android:text="Link Gump account"/>

  
          <Button
              android:id="@+id/switch_acc"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:text="Switch to games player"/>
  
          <Button

              android:id="@+id/iab"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:enabled="false"
              android:text="Iab"/>

          <Button
              android:id="@+id/pay"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:enabled="false"
              android:text="Payment"/>
      </LinearLayout>

  </LinearLayout>