// Opens/creates a coordinate file with the given name
public CoordFile(Context context, String filename) {
mContext = context;
Filename = filename;
if (Filename == null) {
Filename =
String.format("CoordLog_%s.txt", DateStrings.GetDateTimeString(Calendar.getInstance()));
}
try {
mFile = new File(filename);
boolean exists = mFile.exists();
mWriter = new FileWriter(filename, true);
if (exists) {
ReadFile();
} else {
String entry = "Date,Ticks,Longitude,Latitude,Altitude,Accuracy,Bearing,Speed\n";
mWriter.append(entry);
Toast t =
Toast.makeText(
mContext, String.format("Created output file %s", filename), Toast.LENGTH_SHORT);
t.show();
}
} catch (Exception e) {
ErrorFile.WriteException(e, context);
}
}
private void ReadFile() {
long ticks = 0;
try {
BufferedReader br = new BufferedReader(new FileReader(mFile));
char[] buf = new char[(int) mFile.length()];
br.read(buf, 0, (int) mFile.length());
br.close();
String text = String.copyValueOf(buf);
String[] lines = text.split("\n");
mCoords.clear();
for (int i = 0; i < lines.length; i++) {
String[] parts = lines[i].split(",");
if (parts.length < 8) continue;
if (parts[0].trim().equals("Date")) continue;
Location location = new Location("File");
int strength = 0;
try {
ticks = Long.parseLong(parts[1].trim());
location.setTime(ticks);
location.setLongitude(Double.parseDouble(parts[2].trim()));
location.setLatitude(Double.parseDouble(parts[3].trim()));
location.setAltitude(Double.parseDouble(parts[4].trim()));
location.setAccuracy(Float.parseFloat(parts[5].trim()));
location.setBearing(Float.parseFloat(parts[6].trim()));
location.setSpeed(Float.parseFloat(parts[7].trim()));
strength = Integer.parseInt(parts[8].trim());
} catch (Exception e) {
ErrorFile.WriteException(e, null);
}
mCoords.add(new GPSCoordinate(location, strength));
}
} catch (Exception e) {
ErrorFile.WriteException(e, mContext);
}
}
public void WriteEntry(Location location, int strength) {
if (mClosing) return;
mWriting = true;
try {
GPSCoordinate coord = new GPSCoordinate(location, strength);
mCoords.add(coord);
mWriter.append(coord.ToString() + ", " + strength + "\n");
// Toast t = Toast.makeText(mContext, "Wrote log entry", Toast.LENGTH_SHORT);
// t.show();
} catch (Exception e) {
ErrorFile.WriteException(e, mContext);
}
mWriting = false;
}
public void Close() {
mClosing = true;
if (mWriter != null) {
for (int i = 0; i < 10; i++) {
if (!mWriting) break;
try {
Thread.sleep(100);
} catch (Exception e) {
}
}
try {
mWriter.close();
} catch (Exception e) {
ErrorFile.WriteException(e, mContext);
}
mWriter = null;
}
}
