问题描述
我正在使用关于如何接收SMS消息的本教程:
该代码可以完美运行，并且完全符合我的要求.
The code works perfectly, and does exactly what I want.
我有1个问题.
我希望我的应用程序在后台运行，但是当它关闭时，我希望它停止拦截SMS消息.
I want my app to run in the background, but when it's closed I want it to stop intercepting SMS messages.
我的问题是，为什么我的应用在关闭后为什么仍在拦截SMS消息?
My question is, why is my app still intercepting SMS messages after it's been closed?
我想我必须找到一个关闭"处理程序，然后关闭广播接收器. (如果有关闭"事件处理程序..?).
I guess I have to find a "on close" handler and close the Broadcast Receiver then. (If there is a "on close" event handler..?).
如果有人能提供一些见解，我将不胜感激.谢谢！
If anyone can provide some insight I would be very grateful. Thanks!
推荐答案
通过将BroadcastReceiver放入清单中，默认情况下它始终处于活动状态.因此，如果您希望它仅在显示Activity时运行，那么您将希望在Activity恢复/暂停时启用/禁用BroadcastReceiver:
By putting your BroadcastReceiver in your Manifest, it, by default, is always active. Therefore if you want it to only run while your Activity is shown, you'll want to enable/disable your BroadcastReceiver when your Activity resumes/pauses:
public void onResume()
{
ComponentName component=new ComponentName(this, TextMessageReceiver.class);
getPackageManager()
.setComponentEnabledSetting(component,
PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
PackageManager.DONT_KILL_APP);
}
public void onPause()
{
ComponentName component=new ComponentName(this, TextMessageReceiver.class);
getPackageManager()
.setComponentEnabledSetting(component,
PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
PackageManager.DONT_KILL_APP);
}
另一种方法是在Activity中声明您的BroadcastReceiver，然后在相同的生命周期事件中调用registerReceiver和unregisterReceiver.
The alternative, is to declare your BroadcastReceiver in your Activity and then call registerReceiver and unregisterReceiver in the same lifecycle events.
这篇关于应用关闭后，广播接收器仍在运行-Android的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！