title: Using Android for calling Open Bank Project with OAuth1
body: <p>I try to using the open bank project (OBP) in my android app. I want to list banks and the user can choose one or more of them to own list. </p>
  
  <p>For this I clone the example app by OBP: <a href="https://github.com/OpenBankProject/Hello-OBP-OAuth1.0a-Android" rel="nofollow noreferrer">https://github.com/OpenBankProject/Hello-OBP-OAuth1.0a-Android</a></p>
  
  <p>Here my steps: </p>
  
  <ol>
  <li>Register on OBP-Page and register App for Keys:  <a href="https://apisandbox.openbankproject.com/consumer-registration" rel="nofollow noreferrer">https://apisandbox.openbankproject.com/consumer-registration</a></li>
  </ol>
  
  <p><a href="https://i.stack.imgur.com/M4Gq1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/M4Gq1.png" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/eJnv5.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/eJnv5.png" alt="enter image description here"></a></p>
  
  <ol>
  <li>Clone example app <a href="https://github.com/OpenBankProject/Hello-OBP-OAuth1.0a-Android" rel="nofollow noreferrer">https://github.com/OpenBankProject/Hello-OBP-OAuth1.0a-Android</a></li>
  <li>Open in Android Studio.</li>
  <li>Open OBPRestClient.java and change OBP_AUTH_KEY and OBP_SECRET_KEY by "Consumer Key" and "Consumer Secret". Change BASE_URL to "<a href="https://apisandbox.openbankproject.com" rel="nofollow noreferrer">https://apisandbox.openbankproject.com</a>".</li>
  <li>Open OAuthActivity.java and remove if (1 == 1)
          throw new RuntimeException("Setup required! See OAuthActivity.java");</li>
  <li>Open in res/values/strings and change customAppProtocol value to "intent".</li>
  <li>Open AndroidManifest and set intent filter for 
  <a href="https://i.stack.imgur.com/7rvpI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7rvpI.png" alt="enter image description here"></a></li>
  <li>If I start the app a browser started and i must login to OBP-API. I do this and get a message by OBP.
  <a href="https://i.stack.imgur.com/Br6kz.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Br6kz.png" alt="enter image description here"></a></li>
  <li>If I click on "here" the app dont start. I think my redirect url is wrong :( </li>
  </ol>
  
  <p><strong>what is the solution for this problem?</strong> </p>