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Android Android Data Persistence Key-Value Saving with SharedPreferences Storing a Value in SharedPreferences

Posted by MUZ140202 Oniel Chamburuka
MUZ140202 Oniel Chamburuka
5,250 Points

Now, put the int value 42 into SharedPreferences using the key "MeaningOfLife"

m stuck,,,pliz help

CodeChallenge.java 
 SharedPreferences mSharedPreferences;
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putInt("MeaningOfLife", 42).commit();

2 Answers

David Postlethwaite
David Postlethwaite
9,355 Points 
SharedPreferences mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);

This is how the initialized statement should be for mSharedPreferences

David Postlethwaite
David Postlethwaite
9,355 Points
David Postlethwaite
David Postlethwaite
9,355 Points

You don't need to use the .commit() method, remove it and try again

MUZ140202 Oniel Chamburuka
MUZ140202 Oniel Chamburuka
5,250 Points

stil giving an error JavaTester.java:65: error: variable mSharedPreferences might not have been initialized SharedPreferences.Editor editor = mSharedPreferences.edit(); ^ 1 error