Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

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

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

SharedPreferences mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);

This is how the initialized statement should be for mSharedPreferences

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

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