Androidx学习笔记（58）--- 监控SD卡状态

监听SD卡状态

<receiver android:name="com.exp.sdcradlistener.SDCardReceiver">
<intent-filter >
<action android:name="android.intent.action.MEDIA_MOUNTED"/>
<action android:name="android.intent.action.MEDIA_UNMOUNTED"/>
<action android:name="android.intent.action.MEDIA_REMOVED"/>
<data android:scheme="file"/>
</intent-filter>
</receiver>

public class SDCardReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// 区分接收到的是哪个广播
String action = intent.getAction();

if(action.equals("android.intent.action.MEDIA_MOUNTED")){
System.out.println("sd卡就绪");
}
else if(action.equals("android.intent.action.MEDIA_UNMOUNTED")){
System.out.println("sd卡被移除");
}
else if(action.equals("android.intent.action.MEDIA_REMOVED")){
System.out.println("sd卡被拔出");
}
}
}