Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2014 sonaive.com. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.text.TextUtils;

public class Main {
    private static final String PREF_ACTIVE_ACCOUNT = "chosen_account";
    private static final String PREFIX_PREF_ID = "id_";

    public static String getAccountId(final Context context) {
        SharedPreferences sp = getSharedPreferences(context);
        return hasActiveAccount(context) ? sp.getString(makeAccountSpecificPrefKey(context, PREFIX_PREF_ID), null)
                : null;
    }

    private static SharedPreferences getSharedPreferences(final Context context) {
        return PreferenceManager.getDefaultSharedPreferences(context);
    }

    public static boolean hasActiveAccount(final Context context) {
        return !TextUtils.isEmpty(getActiveAccountName(context));
    }

    private static String makeAccountSpecificPrefKey(Context ctx, String prefix) {
        return hasActiveAccount(ctx) ? makeAccountSpecificPrefKey(getActiveAccountName(ctx), prefix) : null;
    }

    private static String makeAccountSpecificPrefKey(String accountName, String prefix) {
        return prefix + accountName;
    }

    public static String getActiveAccountName(final Context context) {
        SharedPreferences sp = getSharedPreferences(context);
        return sp.getString(PREF_ACTIVE_ACCOUNT, null);
    }
}