Android的 - 如何注销在清单中创建一个接收器？ [英] Android - how to unregister a receiver created in the manifest?

问题描述

我知道如何用Java code。使用registerReceiver和unregisterReceiver处理接收机，但让我们说，我有我的清单如下：

I know about using registerReceiver and unregisterReceiver in Java code for dealing with receivers, but let's say I have the following in my manifest:

    <receiver android:name=".headsetHook">
        <intent-filter android:priority="99999999999">
            <action android:name="android.intent.action.ACTION_HEADSET_PLUG" />
        </intent-filter>
    </receiver>

有没有一种方法，我可以注销这个地方在Java中code？我可以给它一个id属性或东西，然后把它和注销呢？我问，因为我想我的应用程序做一些只有在第一次这个动作发生，那么注销并随后在Java中重新注册。

Is there a way I could unregister this somewhere in Java code? Could I give it an id attribute or something and then get it and unregister it? I ask because I want my app to do something only on the first time this action happens, then unregister it and re-register it later in Java.

希望我说的很清楚，感谢您的帮助。

Hope I made that clear, thanks for any help.

推荐答案

您可以使用 PackageManager 启用/禁用的BroadcastReceiver 在清单中声明。该广播接收器将得到只有当它被启用解雇了。

You can use the PackageManager to enable/disable a BroadcastReceiver in declared in the Manifest. The Broadcast Receiver will get fired only when it is enabled.

使用此创建组件

ComponentName component = new ComponentName(context, MyReceiver.class);

检查组件已启用或禁用

Check if the Component is enabled or disabled

int status = context.getPackageManager().getComponentEnabledSetting(component);
if(status == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
    Log.d("receiver is enabled");
} else if(status == PackageManager.COMPONENT_ENABLED_STATE_DISABLED) {
    Log.d("receiver is disabled");
}

启用/禁用（在你的案件广播接收器）的组件

Enable/Disable the component(Broadcast Receiver in your case)

//Disable
context.getPackageManager().setComponentEnabledSetting(component, PackageManager.COMPONENT_ENABLED_STATE_DISABLED , PackageManager.DONT_KILL_APP);
//Enable
context.getPackageManager().setComponentEnabledSetting(component, PackageManager.COMPONENT_ENABLED_STATE_ENABLED , PackageManager.DONT_KILL_APP);

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