Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.content.Context;

import android.content.SharedPreferences;

import android.text.TextUtils;

import java.util.UUID;

public class Main {
    private static final String PREF_FILE_KEY = "be.scuad.nmct.be.scuad.PREFERENCE_FILE_KEY";
    private static final String PREF_ACTIVE_ACCOUNT = "active_account";
    private static final String PREFIX_PREF_GCM_KEY = "gcm_key_";

    public static String getGcmKey(final Context context, final String accountName) {
        SharedPreferences sp = getSharedPreferences(context);
        String gcmKey = sp.getString(makeAccountSpecificPrefKey(accountName, PREFIX_PREF_GCM_KEY), null);

        // if there is no current GCM key, generate a new random one
        if (TextUtils.isEmpty(gcmKey)) {
            gcmKey = UUID.randomUUID().toString();
            setGcmKey(context, accountName, gcmKey);
        }

        return gcmKey;
    }

    private static SharedPreferences getSharedPreferences(final Context context) {
        return context.getSharedPreferences(PREF_FILE_KEY, Context.MODE_PRIVATE);
    }

    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 void setGcmKey(final Context context, final String accountName, final String gcmKey) {
        SharedPreferences sp = getSharedPreferences(context);
        sp.edit().putString(makeAccountSpecificPrefKey(accountName, PREFIX_PREF_GCM_KEY), gcmKey).apply();
    }

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

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