Shared Preference

First Class:





import android.os.Bundle;
import android.widget.Toast;


public class SharedActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Preference p=new Preference(this);
        p. Saved pref("KUMAR MLA COIMBATORE");
        Toast.makeText(this, p.Getprif(), Toast.LENGTH_LONG).show();
    }
}




Second Class:



import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;


public class Preference {
private final static String PREF_FILE="pref";
SharedPreferences preference;
public Preference(Context context){
preference=context.getSharedPreferences(PREF_FILE, Context.MODE_PRIVATE);
}
public void Savedpref(String str){
Editor et=preference.edit();
et.putString("username",str);
et.commit();
}
public String Getprif(){
return preference.getString("username","Not Exit");
}


}