App crashes when I use putExtra to send data and use getStringExtra to receive data?
49
What is a NullPointerException, and how do I fix it?
125519
How to put a Vector into an intent.extra?
123401
Tapping a comment from a nonexistent user crashes the app
46647
Android sending image over socket fails: "client.getOutputStream()" does not work
59412
How do I pass data between Activities in Android application?
35590
How to fix NullPointerException in Java?
89682
Android: Pass data(extras) to a fragment
10867
How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?
148412
How can I use hasNextInt() to catch an exception? I need Int but if input is character, that is bad
98080
Android: Cannot invoke toString() on the primitive type int
91260
Sending data back to the Main Activity in Android
126839
iPhone app crash [__NSCFString objectForKey:] unrecognized selector sent to instance
77648
How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
139133
Why does this code crash at the places mentioned?
69180
onActivityResult() called prematurely
58054
When is it OK to catch NullPointerException?
57346
Misbehavior when trying to store a string set using SharedPreferences