sd卡插拔

 

android/frameworks/base/core/java/android/os/storage/

VolumeInfo.java:128:       

sEnvironmentToBroadcast.put(Environment.MEDIA_UNMOUNTED, Intent.ACTION_MEDIA_UNMOUNTED);

 

android/frameworks/base/core/java/android/os/storage/

StorageVolume.java:96:   

* {@link Intent#ACTION_MEDIA_UNMOUNTED}, {@link Intent#ACTION_MEDIA_CHECKING},
 

frameworks/base/services/core/java/com/android/server/

MountService.java

case H_VOLUME_BROADCAST: {

        final String action = VolumeInfo.getBroadcastForEnvironment(envState);

         mContext.sendBroadcastAsUser(intent, userVol.getOwner());

}