Android: I am having trouble opening the UI from MainActivity after creating intent
49
What is a NullPointerException, and how do I fix it?
146539
Android app fail to start after adding admob
4082
How can I open the Settings app when the user presses a button?
131598
How can I go back to the original interface layout?
117461
Launching activities within a tab in Android
5052
RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
25976
Android app crashes when rotating the "Getting preview" or "Posting edit" dialog
8744
Android "Only the original thread that created a view hierarchy can touch its views."
10583
How to create a custom UI?
92844
getOnClickListener() in Android views
97325
DialogFragment causing nullpointer crash
101059
Android - android.os.NetworkOnMainThreadException
143664
setOnClickListener crashs my android app
57209
Android SDK manager won't open
103797
Android:android.view.ViewRoot$CalledFromWrongThreadException - How to solve the problem?
91498
How to finish current activity in Android
37575
RuntimeException: Unable to instantiate application