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I'm trying to develop an app that reads an NFC tag and displays the read data. I took most of t… Read more Illegalstateexception (already Attached) When Opening Nfc Reader App

I'm working on an app that targets Api 19, and that is basically a Processing sketch. The probl… Read more Oncreate() Called While Activity Is Stopped (but Not Destroyed). Only After Installation

I thought I had this figured out, but after some debugging on this question: How to make notificati… Read more How To Make Notification Resume And Not Recreate Activity?

I'm having a hard time fixing some issues with my code. I tested it on my phone and it works go… Read more Java.lang.nullpointerexception And Unknown Source

I'm having some issues with the preview of the camera on my Android. Right now i have a button … Read more Cant Create Camera Preview In Oncreate?

I am implementing the following addOnGlobalLayoutListener so as to measure the Extended View (doodl… Read more Android: Get Dimension Of Extended View Using Addongloballayoutlistener But Fails

I am not entirely sure why I am getting a NullPointerException. If anybody could help me out that w… Read more Why Am I Getting A Null Pointer Exception On My Android Program Line 73?

I've created AbstractActivity and an AbstractFormActivity to rid of some boilerplate code, thei… Read more Oncreate Not Called On Activity