I need to delete the shared preference file from android whenever user downloads the newer version of th开发者_JAVA百科e app or re-installs the application. How can I achieve this?
I\'m building an android application and I have a pretty dumb question - I\'ve created a preference screen and put in it a list and a checkBox. Now I handled those just fine, using the \'key\' attri
I am having a problem with my code here. I am using SharedPreferences in my code, and I am getting a NullPointerException at one line in the code. Here\'s the full code:
I\'m trying to save some filters/state in one activity, and then use that data in the next activity. I\'m using SharedPreferences, but it isn\'t working as I\'d expected it to.
I need to retrieve images Uri from stock Gallery and save it to sharedPreferences, in order to let the user choose a custom wallpaper for a live wallpaper.
I\'m trying to create an application that stores GPS data received from a KML file by DDMS;the data is stored in the Sqlite Database.My main problem is that every time I run the application
I am building an android app and would like to implement a login check at start. I am starting a Main activity and there i check if the user is logen in(by calling \"getSharedPreferences\" with my app
public class RegularExpensesActivity extends ListActivity implements OnClickListener{ privat开发者_开发技巧e static final String TAG = \"RegularExpensesActivity\";
I am somewhat new to android development, this is my first time trying to provide a list of installed applications in a preference screen.The selected value from this list will later be used to launch
I\'m almost at a stage where my app is getting to a good state. So far for everything I have used just defaults but now I want the user to be able to select a ringtone to use for notifying them.
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