检测sd卡，常用intent总结
版权声明：本文遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。本文链接：https://blog.csdn.net/Prohackers/article/details/810015701、public static final String ACTION_MEDIA_REMOVED = "android.intent.action.MEDIA_REMOVED"...
