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.preference.PreferenceManager;

import android.util.Log;

public class Main {
    /**
     * to retrieve a value from sharedpreference
     *
     * @param context context of calling activity
     * @param key     key whose value is to be fetchs
     * @return value or null if key not found
     */
    public static String getPreference(Context context, String key) {
        return getPreference(context, key, null);
    }

    /**
     * to retrieve a value from sharedpreference
     *
     * @param context      context of calling activity
     * @param key          key whose value is to be fetchs
     * @param defaultValue to be returned if key not found
     * @return value or defaultvalue if key not found
     */
    public static String getPreference(Context context, String key, String defaultValue) {
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
        String value = preferences.getString(key, defaultValue);

        logD("got key:" + key + " value:" + value);
        return value;
    }

    /**
     * log debug a string
     *
     * @param s string to be logged
     */
    public static void logD(String s) {
        logD("LOG", s);
    }

    /**
     * log debug a string
     *
     * @param tag tag for logging
     * @param s   string to be logged
     */
    public static void logD(String tag, String s) {
        Log.d(tag, s);
    }
}