apiDemo cannot run Null exception

[WxSmile]

apiDemo cannot run Null exception

[dschuermann]

stacktrace?

[WxSmile]

04-13 17:06:35.697 8461-8761/org.ntpsync.apidemo E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1
Process: org.ntpsync.apidemo, PID: 8461
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:300)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: java.lang.NullPointerException
at org.ntpsync.apidemo.BaseActivity$4.doInBackground(BaseActivity.java:158)
at org.ntpsync.apidemo.BaseActivity$4.doInBackground(BaseActivity.java:149)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)