撮影された画像の撮影日時を取得するメソッド

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public static String getImageDateInDiary(String path) {
	String result = "";

	try {
		ExifInterface exifInterface = new ExifInterface(path);
		result = exifInterface.getAttribute(ExifInterface.TAG_DATETIME);
	} catch (IOException e) {
		e.printStackTrace();
		result = "日時不明";
	}

	if (result != null) {
		result = result.substring(0, 4) + "/" + result.substring(5, 7)
				+ "/" + result.substring(8, 10) + " "
				+ result.substring(11, 13) + ":" + result.substring(14, 16);
	} else {
		result = "日時不明";
	}

	return result;
}