title: How can I implement restore purchase in android
body: <p>Thanks for visiting my page.</p>
  
  <p>Few days ago, I've developed simple android game with in app-billing.</p>
  
  <p>Now I am going to implement restore purchase function but I don't know how can I dot it.</p>
  
  <p>I've made few days of googling and found many links to help it but they didn't work me now.</p>
  
  <p>Please let me know how to do it programmatically.</p>
  
  <p>Where can i find sample of restore purchase ?</p>
  
  <p>I've implemented in app purchase already but not restore purchase.</p>
  
  <p>I used Android Studio 1.5.1.</p>
  
  <p>I've refered <a href="http://www.techotopia.com/index.php/An_Android_Studio_Google_Play_In-app_Billing_Tutorial" rel="nofollow noreferrer">http://www.techotopia.com/index.php/An_Android_Studio_Google_Play_In-app_Billing_Tutorial</a>  to implement in app purchase.</p>
  
  <p>Please help me :(</p>
  
  <p>Thanks in advance.</p>