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我把我的廣播接收機行動ACTION_MEDIA_EJECTIntent.ACTION_MEDIA_EJECT如何獲得額外的表單意圖?
if(action.equals(Intent.ACTION_MEDIA_EJECT)){
for(String k : intent.getExtras().keySet()){
Log.d("arek","klucz = "+k);
Log.v("arek","wartość= "+intent.getExtras().get(k).toString());
}
並獲得日誌:
05-10 15:13:33.871: D/arek(10322): klucz = storage_volume
05-10 15:13:33.871: V/arek(10322): wartość= StorageVolume [mStorageId=131073 mPath=/storage/extSdCard mDescriptionId=17041195 mPrimary=false mRemovable=true mEmulated=false mMtpReserveSpace=0 mAllowMassStorage=false mMaxFileSize=0 mOwner=null mSubSystem=sd mActivitySecureContainer=false]
05-10 15:13:33.881: I/arek(10322): mStorageManager.getVolume(filePath).getStorageId() = 131073
,但其中的關鍵定義字符串:storage_volume
,因爲我想做的事:
StorageVolume sv = (StorageVolume) intent.getExtras().get("storage_volume");
那麼定義常量v與字符串「storage_volume」?