title: Razorpay checkout activity
body: <p>I face some issue when integrate Razorpay checkout &amp; When i don't upload application on Play Store then no error after uploading application on Play Store &amp; download the application from Play Store &amp; When Payment button click then get error
  &quot;<strong>java.lang.RuntimeException: Unable to start activity ComponentInfo{com.tejas.quiz/ com.razorpay.CheckoutActivity}:
  java.lang.RuntimeException: java.lang.NullPointerException:
  Attempt to invoke virtual method 'int java.io.InputStream.read(byte[], int, int)' on a null object reference
  at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:
  3420)
  at
  android.app.ActivityThread.handleLa unchActivity (ActivityThread.java:
  3559)
  at
  android.app.servertransaction. LaunchActivityltem.execute(LaunchActivityltem.java:83)
  at
  android.app.servertransaction. Transaction Executor.executeCallbacks(Tr ansactionExecutor.java:140)
  at
  android.app.servertransaction. Trans actionExecutor.execute(Transaction Executor.java:96</strong>)&quot;</p>
  <p>I have no idea how to resolve error please anyone help to resolve the issue.</p>