W/dalvikvm(13642): threadid=1: thread exiting with uncaught exception (group=0x41499ac8)
E/AndroidRuntime(13642): FATAL EXCEPTION: main
E/AndroidRuntime(13642): java.lang.NullPointerException: uriString
E/AndroidRuntime(13642): 	at android.net.Uri$StringUri.<init>(Uri.java:467)
E/AndroidRuntime(13642): 	at android.net.Uri$StringUri.<init>(Uri.java:457)
E/AndroidRuntime(13642): 	at android.net.Uri.parse(Uri.java:429)
E/AndroidRuntime(13642): 	at app.ftcommunity.classes.PdfActivity.<init>(PdfActivity.java:27)
E/AndroidRuntime(13642): 	at app.ftcommunity.customized.CustomListAdapterExpandable$1.onClick(CustomListAdapterExpandable.java:75)
E/AndroidRuntime(13642): 	at android.view.View.performClick(View.java:4276)
E/AndroidRuntime(13642): 	at android.view.View$PerformClick.run(View.java:17656)
E/AndroidRuntime(13642): 	at android.os.Handler.handleCallback(Handler.java:725)
E/AndroidRuntime(13642): 	at android.os.Handler.dispatchMessage(Handler.java:92)
E/AndroidRuntime(13642): 	at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime(13642): 	at android.app.ActivityThread.main(ActivityThread.java:5086)
E/AndroidRuntime(13642): 	at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime(13642): 	at java.lang.reflect.Method.invoke(Method.java:511)
E/AndroidRuntime(13642): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
E/AndroidRuntime(13642): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
E/AndroidRuntime(13642): 	at dalvik.system.NativeStart.main(Native Method)
W/ActivityManager(  974):   Force finishing activity app.ftcommunity/.subactivitys.Ftpedia