Android平台推送通知实现详解

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资源摘要信息:"Android Samples(安卓示例)是一个包含了多个示例应用程序的集合,旨在帮助开发者理解如何在Android平台上使用GCM(Google Cloud Messaging)以及Parse SDK来实现推送通知功能。以下是对标题、描述和标签中涉及的知识点的详细说明: 1. GCM推送通知客户端: - GCM(Google Cloud Messaging)是Google提供的一项服务,允许开发者从服务器向客户端设备发送消息通知。 - 示例应用程序展示了如何注册设备以接收GCM推送通知,这是实现服务器到设备通信的基础步骤。 - 注册成功后,应用会在日志中打印一个“regId”(注册ID),这是用于标识设备的唯一标识符。 - 开发者可以将打印的“regId”复制并用于PushServer项目中的Java类(如demo.sayan.pushnotifierserver.PushServer.java),这个类演示了如何利用Google Cloud Messaging向Android设备发送推送通知。 - 理解GCM的基本工作流程和如何实现设备注册、消息的发送和接收是使用GCM推送通知的关键知识点。 2. 解析推送(使用Parse SDK): - Parse是一个提供后端即服务(Backend as a Service, BaaS)的平台,允许开发者在不运行自己的服务器的情况下存储数据、用户和实现推送通知等功能。 - 示例中的应用程序展示了如何使用Parse SDK来实现推送通知。 - 应用程序在日志中打印出一个“deviceToken”,这是一个用于设备的唯一标识符,与GCM的“regId”类似。 - 使用“deviceToken”,开发者可以通过Parse REST API发送推送通知。Parse SDK简化了这一过程,使得开发者无需从零开始构建消息推送的后端逻辑。 - 了解如何使用Parse SDK和REST API进行设备注册、获取标识符以及发送通知是使用Parse推送功能的核心知识点。 - 除了SDK,还可以使用命令行工具cURL或Mozilla的RESTClient插件来发送通知,这为开发过程提供了额外的灵活性。 3. 相关技术知识点: - Java:示例应用程序使用Java编写,这表明了Java在Android开发中的重要性,尽管现在Kotlin作为官方推荐的语言也越来越流行。 - Android Studio:使用Android Studio作为开发环境,这是Google官方推荐的Android开发IDE,集成了最新的Android SDK和工具链。 - JSON:Parse SDK和GCM通常涉及发送和接收JSON格式的数据,因此需要开发者熟悉JSON数据的处理和解析。 - 网络编程:了解HTTP请求和响应的工作机制,以及如何在移动设备上编程实现网络请求,是开发推送通知功能的前提。 - Android权限系统:为了实现推送通知,需要在Android应用中请求相应的权限,比如网络访问权限和后台数据权限。 通过深入理解上述知识点,开发者可以构建出能够高效接收和处理推送通知的Android应用,同时也能在不同的应用场景下灵活运用GCM和Parse SDK等技术。"
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List of Sample Apps The list below provides a summary of the sample applications that are available with the Android SDK. Using the links on this page, you can view the source files of the sample applications in your browser. You can also download the source of these samples into your SDK, then modify and reuse it as you need. For more information, see Getting the Samples. API Demos A variety of small applications that demonstrate an extensive collection of framework topics. Backup and Restore A simple example that illustrates a few different ways for an application to implement support for the Android data backup and restore mechanism. Bluetooth Chat An application for two-way text messaging over Bluetooth. BusinessCard An application that demonstrates how to launch the built-in contact picker from within an activity. This sample also uses reflection to ensure that the correct version of the contacts API is used, depending on which API level the application is running under. Contact Manager An application that demonstrates how to query the system contacts provider using the ContactsContract API, as well as insert contacts into a specific account. Home A home screen replacement application. JetBoy A game that demonstrates the SONiVOX JET interactive music technology, with JetPlayer. Live Wallpaper An application that demonstrates how to create a live wallpaper and bundle it in an application that users can install on their devices. Lunar Lander A classic Lunar Lander game. Multiple Resolutions A sample application that shows how to use resource directory qualifiers to provide different resources for different screen configurations. Note Pad An application for saving notes. Similar (but not identical) to the Notepad tutorial. SampleSyncAdapter Demonstrates how an application can communicate with a cloud-based service and synchronize its data with data stored locally in a content provider. The sample uses two related parts of the Android framework — the account manager and the synchronization manager (through a sync adapter). Searchable Dictionary A sample application that demonstrates Android's search framework, including how to provide search suggestions for Quick Search Box. Snake An implementation of the classic game "Snake." Soft Keyboard An example of writing an input method for a software keyboard. Spinner A simple application that serves as an application-under-test for the SpinnerTest sample application. SpinnerTest An example test application that contains test cases run against the Spinner sample application. To learn more about the application and how to run it, please read the Activity Testing tutorial. TicTacToeLib An example of an Android library project that provides a game-play Activity to any dependent application project. For an example of how an application can use the code and resources in an Android library project, see the TicTacToeMain sample application. TicTacToeMain An example of an Android application that makes use of code and resources provided in an Android library project. Specifically, this application uses code and resources provided in the TicTacToeLib library project. Wiktionary An example of creating interactive widgets for display on the Android home screen. Wiktionary (Simplified) A simple Android home screen widgets example.