public static String GetSpeedDisplay(Context context, double metersPerSecond, boolean imperial) {
DecimalFormat df = new DecimalFormat("#.###");
String result = df.format(metersPerSecond) + context.getString(R.string.meters_per_second);
if (imperial) {
result = df.format(metersPerSecond * 2.23693629) + context.getString(R.string.miles_per_hour);
} else if (metersPerSecond >= 0.28) {
result = df.format(metersPerSecond * 3.6) + context.getString(R.string.kilometers_per_hour);
}
return result;
}
public static String GetTimeDisplay(Context context, long milliseconds) {
double ms = (double) milliseconds;
DecimalFormat df = new DecimalFormat("#.##");
String result = df.format(ms / 1000) + context.getString(R.string.seconds);
if (ms > 3600000) {
result = df.format(ms / 3600000) + context.getString(R.string.hours);
} else if (ms > 60000) {
result = df.format(ms / 60000) + context.getString(R.string.minutes);
}
return result;
}
public static String GetDistanceDisplay(Context context, double meters, boolean imperial) {
DecimalFormat df = new DecimalFormat("#.###");
String result = df.format(meters) + context.getString(R.string.meters);
if (imperial) {
if (meters <= 804) {
result = df.format(meters * 3.2808399) + context.getString(R.string.feet);
} else {
result = df.format(meters / 1609.344) + context.getString(R.string.miles);
}
} else if (meters >= 1000) {
result = df.format(meters / 1000) + context.getString(R.string.kilometers);
}
return result;
}
/**
* Converts given bearing degrees into a rough cardinal direction that's more understandable to
* humans.
*
* @param bearingDegrees
* @return
*/
public static String GetBearingDescription(float bearingDegrees, Context context) {
String direction;
String cardinal;
if (bearingDegrees > 348.75 || bearingDegrees <= 11.25) {
cardinal = context.getString(R.string.direction_north);
} else if (bearingDegrees > 11.25 && bearingDegrees <= 33.75) {
cardinal = context.getString(R.string.direction_northnortheast);
} else if (bearingDegrees > 33.75 && bearingDegrees <= 56.25) {
cardinal = context.getString(R.string.direction_northeast);
} else if (bearingDegrees > 56.25 && bearingDegrees <= 78.75) {
cardinal = context.getString(R.string.direction_eastnortheast);
} else if (bearingDegrees > 78.75 && bearingDegrees <= 101.25) {
cardinal = context.getString(R.string.direction_east);
} else if (bearingDegrees > 101.25 && bearingDegrees <= 123.75) {
cardinal = context.getString(R.string.direction_eastsoutheast);
} else if (bearingDegrees > 123.75 && bearingDegrees <= 146.26) {
cardinal = context.getString(R.string.direction_southeast);
} else if (bearingDegrees > 146.25 && bearingDegrees <= 168.75) {
cardinal = context.getString(R.string.direction_southsoutheast);
} else if (bearingDegrees > 168.75 && bearingDegrees <= 191.25) {
cardinal = context.getString(R.string.direction_south);
} else if (bearingDegrees > 191.25 && bearingDegrees <= 213.75) {
cardinal = context.getString(R.string.direction_southsouthwest);
} else if (bearingDegrees > 213.75 && bearingDegrees <= 236.25) {
cardinal = context.getString(R.string.direction_southwest);
} else if (bearingDegrees > 236.25 && bearingDegrees <= 258.75) {
cardinal = context.getString(R.string.direction_westsouthwest);
} else if (bearingDegrees > 258.75 && bearingDegrees <= 281.25) {
cardinal = context.getString(R.string.direction_west);
} else if (bearingDegrees > 281.25 && bearingDegrees <= 303.75) {
cardinal = context.getString(R.string.direction_westnorthwest);
} else if (bearingDegrees > 303.75 && bearingDegrees <= 326.25) {
cardinal = context.getString(R.string.direction_northwest);
} else if (bearingDegrees > 326.25 && bearingDegrees <= 348.75) {
cardinal = context.getString(R.string.direction_northnorthwest);
} else {
direction = context.getString(R.string.unknown_direction);
return direction;
}
direction = context.getString(R.string.direction_roughly, cardinal);
return direction;
}
/**
* Converts seconds into friendly, understandable description of time.
*
* @param numberOfSeconds
* @return
*/
public static String GetDescriptiveTimeString(int numberOfSeconds, Context context) {
String descriptive;
int hours;
int minutes;
int seconds;
int remainingSeconds;
// Special cases
if (numberOfSeconds == 1) {
return context.getString(R.string.time_onesecond);
}
if (numberOfSeconds == 30) {
return context.getString(R.string.time_halfminute);
}
if (numberOfSeconds == 60) {
return context.getString(R.string.time_oneminute);
}
if (numberOfSeconds == 900) {
return context.getString(R.string.time_quarterhour);
}
if (numberOfSeconds == 1800) {
return context.getString(R.string.time_halfhour);
}
if (numberOfSeconds == 3600) {
return context.getString(R.string.time_onehour);
}
if (numberOfSeconds == 4800) {
return context.getString(R.string.time_oneandhalfhours);
}
if (numberOfSeconds == 9000) {
return context.getString(R.string.time_twoandhalfhours);
}
// For all other cases, calculate
hours = numberOfSeconds / 3600;
remainingSeconds = numberOfSeconds % 3600;
minutes = remainingSeconds / 60;
seconds = remainingSeconds % 60;
// Every 5 hours and 2 minutes
// XYZ-5*2*20*
descriptive =
context.getString(
R.string.time_hms_format,
String.valueOf(hours),
String.valueOf(minutes),
String.valueOf(seconds));
return descriptive;
}
private void start(final Context context) {
/** Producer properties * */
Properties props = new Properties();
props.put("metadata.broker.list", context.getString(BROKER_LIST));
props.put("serializer.class", context.getString(SERIALIZER));
props.put("request.required.acks", context.getString(REQUIRED_ACKS));
ProducerConfig config = new ProducerConfig(props);
final Producer<String, String> producer = new Producer<String, String>(config);
/** Twitter properties * */
consumerKey = context.getString(CONSUMER_KEY_KEY);
consumerSecret = context.getString(CONSUMER_SECRET_KEY);
accessToken = context.getString(ACCESS_TOKEN_KEY);
accessTokenSecret = context.getString(ACCESS_TOKEN_SECRET_KEY);
ConfigurationBuilder cb = new ConfigurationBuilder();
cb.setOAuthConsumerKey(consumerKey);
cb.setOAuthConsumerSecret(consumerSecret);
cb.setOAuthAccessToken(accessToken);
cb.setOAuthAccessTokenSecret(accessTokenSecret);
cb.setJSONStoreEnabled(true);
cb.setIncludeEntitiesEnabled(true);
twitterStream = new TwitterStreamFactory(cb.build()).getInstance();
final boolean shouldPrintTweetsOnScreen =
Boolean.parseBoolean(context.getString(printTweetsOnScreen));
final boolean shouldSendTweetsToKafka =
Boolean.parseBoolean(context.getString(sendTweetsToKafka));
final StatusListener listener =
new StatusListener() {
// The onStatus method is executed every time a new tweet comes
// in.
public void onStatus(Status status) {
// The EventBuilder is used to build an event using the
// the raw JSON of a tweet
if (shouldPrintTweetsOnScreen) {
logger.info(status.getUser().getScreenName() + ": " + status.getText());
}
if (shouldSendTweetsToKafka) {
KeyedMessage<String, String> data =
new KeyedMessage<String, String>(
context.getString(KAFKA_TOPIC), TwitterObjectFactory.getRawJSON(status));
producer.send(data);
}
}
public void onDeletionNotice(StatusDeletionNotice statusDeletionNotice) {}
public void onTrackLimitationNotice(int numberOfLimitedStatuses) {}
public void onScrubGeo(long userId, long upToStatusId) {}
public void onException(Exception ex) {
logger.info("Shutting down Twitter sample stream...");
twitterStream.shutdown();
}
public void onStallWarning(StallWarning warning) {}
};
twitterStream.addListener(listener);
twitterStream.filter(new FilterQuery().track(context.getString(keywords).split(",")));
}