我创建了一个 BroadcastReceiver 来检测 SDCard 的挂载和卸载 事件,但是,我根本无法接收任何事件: 这是 AndroidManifest.xml:
<receiver android:enabled="true" android:label="SDCardMountReceiver" android:exported="true" android:name="xxx.broadcasts.SDCardBroadcastReceiver">
<intent-filter>
<action android:name="android.content.Intent.ACTION_MEDIA_MOUNTED"></action>
<!-- or <action android:name="android.content.Intent.ACTION_MEDIA_UNMOUNTED" />--></intent-filter>
</receiver>
还有 SDCardMountReceiver 类:
public class SDCardBroadcastReceiver extends BroadcastReceiver {
public SDCardBroadcastReceiver() {
super();
System.err.println("constructor");
}
public void onReceive(Context context, Intent intent) {
Log.d("SDCardBroadCastReceiver", "receive " + intent.getAction());
System.err.println("jonathan receive " + intent.getAction());
}
}
最佳答案
您还需要将数据方案设置为"file"。
<intent-filter>
<action android:name="android.intent.action.MEDIA_MOUNTED" />
<data android:scheme="file" />
</intent-filter>
关于Android BroadcastReceiver 收不到任何广播事件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/994746/