Android中判斷SD卡狀態

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 1 String status = Environment.getExternalStorageState(); 2 if (status.equalsIgnoreCase(Environment.MEDIA_MOUNTED)) { 3     Toast.makeText(TechoLite.this, "SD卡存在", Toast.LENGTH_LONG).show(); 4     // 此時SD是可讀寫的 5 } else if (status.equalsIgnoreCase(Environment.MEDIA_MOUNTED_READ_ONLY)) { 6     Toast.makeText(TechoLite.this, "雖然SD存在，但是為唯讀狀態", Toast.LENGTH_LONG).show(); 7 } else if (status.equalsIgnoreCase(Environment.MEDIA_REMOVED)) { 8     Toast.makeText(TechoLite.this, "SD不存在", Toast.LENGTH_LONG).show(); 9 } else if (status.equalsIgnoreCase(Environment.MEDIA_SHARED)) {10     Toast.makeText(TechoLite.this, "雖然SD卡存在，但是正與PC等相串連", Toast.LENGTH_LONG).show();11 } else if (status.equalsIgnoreCase(Environment.MEDIA_BAD_REMOVAL)) {12     Toast.makeText(TechoLite.this, "SD卡在掛載狀態下被錯誤取出", Toast.LENGTH_LONG).show();13 } else if (status.equalsIgnoreCase(Environment.MEDIA_CHECKING)) {14     Toast.makeText(TechoLite.this, "正在檢查SD卡", Toast.LENGTH_LONG).show();15 } else if (status.equalsIgnoreCase(Environment.MEDIA_NOFS)) {16     Toast.makeText(TechoLite.this, "雖然SD卡存在，但其檔案系統不被支援", Toast.LENGTH_LONG).show();17 } else if (status.equalsIgnoreCase(Environment.MEDIA_UNMOUNTABLE)) {18     Toast.makeText(TechoLite.this, "雖然SD卡存在，但是無法被掛載", Toast.LENGTH_LONG).show();19 } else if (status.equalsIgnoreCase(Environment.MEDIA_UNMOUNTED)) {20     Toast.makeText(TechoLite.this, "雖然SD卡存在，但是未被掛載", Toast.LENGTH_LONG).show();21 } else {22     Toast.makeText(TechoLite.this, "其他原因", Toast.LENGTH_LONG).show();23 }

 

Android中判斷SD卡狀態