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android write file to external storage

使用 External Storage 則必須設定讀取 SDcard 的權限： <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 儲存目錄為 /sdcard，容量則取決於 SDcard 本身的容量。

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本課程將說明如何透過Android 檔案系統，使用File API 讀取並寫入檔案。 File 物件適用於以從頭到尾 ... Checks if external storage ...

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android write file to external storage

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