E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.precisionnutrition.pncoaching, PID: 31222
java.lang.NullPointerException: file
at android.net.Uri.fromFile(Uri.java:473)
at com.sarriaroman.PhotoViewer.PhotoActivity$2.onClick(PhotoActivity.java:124)
at android.view.View.performClick(View.java:7870)
at android.view.View.performClickInternal(View.java:7839)
at android.view.View.access$3600(View.java:886)
at android.view.View$PerformClick.run(View.java:29363)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:237)
at android.app.ActivityThread.main(ActivityThread.java:7860)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1075)
Works on iOS, but not on Android.