我试图从AsyncTask我的搜索活动中显示一个结果.
我有一个以前的应用程序的例子,这是在一位同事的帮助下完成的(我是那里的实习生).
我根据这个应用程序的需要调整了示例,但现在我得到了NullPointerException:
03-04 03:50:23.865: E/AndroidRuntime(8224): FATAL EXCEPTION: main
03-04 03:50:23.865: E/AndroidRuntime(8224): Process: com.cyberdog.what2watch, PID: 8224
03-04 03:50:23.865: E/AndroidRuntime(8224): java.lang.NullPointerException: Attempt to invoke interface method 'void com.cyberdog.what2watch.JsonHandling$IOnFinish.onGetData(org.json.JSONObject)' on a null object reference
03-04 03:50:23.865: E/AndroidRuntime(8224): at com.cyberdog.what2watch.JsonHandlingTMDBAsync.onPostExecute(JsonHandling.java:321)
03-04 03:50:23.865: E/AndroidRuntime(8224): at com.cyberdog.what2watch.JsonHandlingTMDBAsync.onPostExecute(JsonHandling.java:1)
03-04 03:50:23.865: E/AndroidRuntime(8224): at android.os.AsyncTask.finish(AsyncTask.java:632)
03-04 03:50:23.865: E/AndroidRuntime(8224): at android.os.AsyncTask.access$600(AsyncTask.java:177)
03-04 03:50:23.865: E/AndroidRuntime(8224): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
03-04 03:50:23.865: E/AndroidRuntime(8224): at android.os.Handler.dispatchMessage(Handler.java:102)
03-04 03:50:23.865: E/AndroidRuntime(8224): at android.os.Looper.loop(Looper.java:135)
03-04 03:50:23.865: E/AndroidRuntime(8224): at android.app.ActivityThread.main(ActivityThread.java:5274)
03-04 03:50:23.865: E/AndroidRuntime(8224): at …