Android button onClick changing activity cause app to crash
49
What is a NullPointerException, and how do I fix it?
24460
Handling click events on a drawable within an EditText
40111
"Open in browser" crashes when Android app is set as default
125185
Is it safe to save the app context to a static variable in Android?
98080
Android: Cannot invoke toString() on the primitive type int
63843
Calling startActivity() from outside of an Activity?
64200
Can Java's NullPointerException be changed to report on which variable was null?
10581
Avoiding NullPointerException in Java
86725
App crashes if question is reloaded without data connection
111113
How to force stop my android application programmatically?
94474
Add Exit button to Android App By Calling a Function from one Activity
73120
Nullpointerexception when trying to send data from activity to class
158745
onActivityResult is not being called in Fragment
91260
Sending data back to the Main Activity in Android
81469
When tapping preview on editing an existing answer, the app crashes
92844
getOnClickListener() in Android views
120647
how to pass objects between intents