android - Unable to access sharedpreference from one class to another -

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hi developing android opengl live wallpaper. unable access shared preference wallpaperservice renderer class.i getting error like:

06-26 01:42:38.285: e/androidruntime(4778): fatal exception: main 06-26 01:42:38.285: e/androidruntime(4778): java.lang.classcastexception: java.lang.integer cannot cast java.lang.string 06-26 01:42:38.285: e/androidruntime(4778):     @ android.app.sharedpreferencesimpl.getstring(sharedpreferencesimpl.java:224) 06-26 01:42:38.285: e/androidruntime(4778):     @ com.srashtaa.planets3dgalaxylivewallpaper.nehelesson08renderer.loadpreferences(nehelesson08renderer.java:155) 06-26 01:42:38.285: e/androidruntime(4778):     @ com.srashtaa.planets3dgalaxylivewallpaper.nehelesson08renderer.setcontext(nehelesson08renderer.java:146) 06-26 01:42:38.285: e/androidruntime(4778):     @ com.srashtaa.planets3dgalaxylivewallpaper.nehelesson08wallpaperservice$myengine.<init>(nehelesson08wallpaperservice.java:42) 06-26 01:42:38.285: e/androidruntime(4778):     @ com.srashtaa.planets3dgalaxylivewallpaper.nehelesson08wallpaperservice.oncreateengine(nehelesson08wallpaperservice.java:26)

this code:

         sharedpreferences = getsharedpreferences(preferences, mode_private);          string rotspeed = null;          string storedpreference = sharedpreferences.getstring("rotspeed", "key");          sharedpreferences.editor editor = sharedpreferences.edit();          editor.putstring("rotspeed", storedpreference); // value store          editor.commit();          string check=sharedpreferences.getstring("rotspeed", "");          system.out.println("stored procedure values::"+check);

here trying preference value,

               prefs= preferencemanager.getdefaultsharedpreferences(value);                storedpreference= prefs.getstring("rotspeed","0");

can tell me why error?

06-26 01:42:38.285: e/androidruntime(4778): java.lang.classcastexception: java.lang.integer cannot cast java.lang.string

this line states you're trying cast integer string. hence crash. make sure if you've saved value string in sharedprefs, you're retrieving string.


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