offline data synchronization in android

, so there is a succession of concepts that will be easier to understand.In this set of mechanisms, there are two ways to access the Android native environment, one synchronous and one asynchronous.The concept of synchronization is that when I communicate with you, if I have not received your reply, I can not communicate with other people, I have to wait there, have been waiting for you.The concept of async

This demo download portal is written in frontThis article is all about the Android Open Source Network framework Nohttp core Point, of course, thread, multi-threading, data security is in Java, in order to run fast we use a Java project to explain.Why ensure thread safety/data synchronizationWhen multiple sub-threads access the same piece of

I believe many of my friends have made Android music players, but will it be monotonous to play songs? Many of my friends have thought about synchronizing the lyrics, so I will share my personal experience with you; In fact, the process of synchronizing the lyrics is very simple: 1. parse the LRC lyrics File 2. LRC lyrics display 3. Synchronization of lyrics and playing music 1. Read the lyrics file:/*** R

third day of Android Application Development for data storage using SharedPreferences. create a database and complete the addition, deletion, modification, and query operations. The third day of Android Application Development Course 2. use another method to add, delete, modify, and query the database. Course 3 of the third day of

Android study note 21. Use ContentProvider for data sharing (4). ContentProvider and androidprovider of the Operating System (contact)The Android system provides a large number of contentproviders, such as contact information and multimedia information of the system. Our developed applications mainly call the query () provided by the system's ContentProvider thro

The Android wear Data Layer API is part of the Google Play service, a communication channel for your handheld devices and wearable applications. The API includes a series of data objects that allow the system to notify the app data layer of important events through listeners and lines.The following are several object t

storage for Android applications and to store data in a way that uses key-value pairs . For an Android application, it is stored in the /data/data/your_app_package_name/shared_prefs/ directory of the file system and can be accessed by all activity in the same application.

First, the preparation of knowledge MVC Design Patterns in 1.Android MVC (Model-view-controller): M refers to the logical model, v refers to the view model, and C is the controller. A logical model can be used for a variety of view models, such as a batch of statistical data you can use a histogram, pie chart to represent. A view model can also be used for multiple logical models. The purpose of using

synchronize with Google server or other server automatically. when auto sync is on, it means that the applications "allowed" specify Ming automatic IC data synchronization. when auto sync is turnedOff, you will not receive information or update data in real time, for example, you will not receive push email notifications, or notifications from social networks, y