Java tutorial
//package com.java2s; import android.app.Activity; import android.content.SharedPreferences; import android.util.Log; public class Main { public static final String TAG = "OAuthHelper"; public static final String PREF_AUTH_TOKEN = "authToken"; public static final String PREF_ACCOUNT_NAME = "accountName"; /** * Forget the account name and authToken. With no account name the app will * prompt the user to select a new account. This method is mostly used for * testing purposes. * * @param activity */ public static void resetAccountCredential(Activity activity) { Log.i(TAG, "Reset credentials"); SharedPreferences settings = activity.getPreferences(Activity.MODE_PRIVATE); SharedPreferences.Editor editor2 = settings.edit(); editor2.remove(PREF_AUTH_TOKEN); editor2.remove(PREF_ACCOUNT_NAME); editor2.commit(); } }