import android.net.Uri;
import android.os.Message;
+import java.text.DateFormat;
+import java.util.Date;
import java.util.List;
import java.util.ArrayList;
private static final int MAX_ITEMS = 50;
private static final String[] TEXT_COL_PROJECTION = { DBHelper.TEXT_COL };
private static final String[] TEXT_FORMAT_COL_PROJECTION = { DBHelper.TEXT_COL, DBHelper.FORMAT_COL };
+ private static final String[] EXPORT_COL_PROJECTION = {
+ DBHelper.TEXT_COL,
+ DBHelper.DISPLAY_COL,
+ DBHelper.FORMAT_COL,
+ DBHelper.TIMESTAMP_COL,
+ };
private static final String[] ID_COL_PROJECTION = { DBHelper.ID_COL };
+ private static final DateFormat EXPORT_DATE_TIME_FORMAT = DateFormat.getDateTimeInstance();
private final CaptureActivity activity;
if (i == dialogItems.length - 1) {
clearHistory();
} else if (i == dialogItems.length - 2) {
- String history = buildHistory();
+ CharSequence history = buildHistory();
Intent intent = new Intent(Intent.ACTION_SEND, Uri.parse("mailto:"));
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.putExtra(Intent.EXTRA_SUBJECT, res.getString(R.string.history_email_title));
intent.putExtra(Intent.EXTRA_TEXT, history);
- intent.setType("text/plain");
+ intent.setType("text/csv");
activity.startActivity(intent);
} else {
Result result = items.get(i);
}
}
- private String buildHistory() {
- StringBuilder historyText = new StringBuilder();
+ /**
+ * <p>Builds a text representation of the scanning history. Each scan is encoded on one
+ * line, terminated by a line break (\n). The values in each line are comma-separated,
+ * and double-quoted. Double-quotes within values are escaped with a sequence of two
+ * double-quotes. The fields output are:</p>
+ *
+ * <ul>
+ * <li>Raw text</li>
+ * <li>Display text</li>
+ * <li>Format (e.g. QR_CODE)</li>
+ * <li>Timestamp</li>
+ * <li>Formatted version of timestamp</li>
+ * </ul>
+ */
+ private CharSequence buildHistory() {
+ StringBuilder historyText = new StringBuilder(1000);
SQLiteOpenHelper helper = new DBHelper(activity);
SQLiteDatabase db = helper.getReadableDatabase();
Cursor cursor = null;
try {
cursor = db.query(DBHelper.TABLE_NAME,
- TEXT_COL_PROJECTION,
+ EXPORT_COL_PROJECTION,
null, null, null, null,
DBHelper.TIMESTAMP_COL + " DESC");
while (cursor.moveToNext()) {
- historyText.append(cursor.getString(0)).append('\n');
+ for (int col = 0; col < EXPORT_COL_PROJECTION.length; col++) {
+ historyText.append('"').append(massageHistoryField(cursor.getString(col)));
+ }
+ // Add timestamp again, formatted
+ long timestamp = cursor.getLong(EXPORT_COL_PROJECTION.length - 1);
+ historyText.append('"').append(massageHistoryField(EXPORT_DATE_TIME_FORMAT.format(new Date(timestamp))))
+ .append('"').append('\n');
}
} finally {
if (cursor != null) {
}
db.close();
}
- return historyText.toString();
+ return historyText;
+ }
+
+ private static String massageHistoryField(String value) {
+ return value.replace("\"","\"\"");
}
void clearHistory() {