That’s such a beginner error but I have no shame posting about it because I AM a beginner with Android
When trying to start a ListActivity from my main Activity, I kept on getting a NullPointerException. The code to launch my activity looked like this:
myActivityInstance.startActivity(new Intent(Intent.ACTION_VIEW));Well, the problem was that I forgot to set the content view at the beginning of my launched activity. All I had to do was add this line at the beginning of my onCreate event handler:
setContentView(R.layout.tasks_list);[Via http://benoit808.wordpress.com]
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