如何檢查物理SD卡是否已卸下/安裝

Question

如何檢查是否已安裝或卸下物理SD卡？

<receiver android:name=".MyReceiver" >
<intent-filter>
    <action android:name="android.intent.action.MEDIA_REMOVED" />
    <action android:name="android.intent.action.MEDIA_MOUNTED" />
</intent-filter>

使用此意圖過濾器定義廣播接收器不會對任何內容產生反應

Answer 1

// try this
if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
// External SD card not mounted
}else{
// External SD card mounted
}