我有一个应用程序，用户可以收到消息，但他们不可能收到消息，除非该应用程序当前处于打开状态。如果应用程序最近有活动，他们甚至没有消息。我想做的是，当用户登录时，它会像服务或计时器或类似性质的东西一样启动，这样它就会经过一个循环，并不断检查数据库中的消息。任何建议，请张贴代码示例，当涉及到这样的东西时，我迷失了方向。谢谢
Use BroadCast Receiver and register it in Manifest.xml so that it will listen to your message(broadcast) when app is not running also http://developer.android.com/guide/topics/manifest/receiver-element.html
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I have pretty good skills in PHP , Mysql and Javascript for a junior developer. If I wanted to try my hand as Android Development do you think I might find it tough ? Also what new languages would I ...
