本文整理了Java中org.json.JSONObject.getDouble()方法的一些代码示例，展示了JSONObject.getDouble()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JSONObject.getDouble()方法的具体详情如下：
包路径：org.json.JSONObject
类名称：JSONObject
方法名：getDouble

JSONObject.getDouble介绍

[英]Returns the value mapped by name if it exists and is a double or can be coerced to a double.
[中]返回按名称映射的值（如果该值存在且为双精度值或可以强制为双精度值）。

代码示例

代码示例来源：origin: google/physical-web

/**
 * Get extra double value.
 * @param key The key of the stored value.
 * @return The stored value.
 * @throws JSONException If the mapping doesn't exist or is not the required type.
 */
public double getExtraDouble(String key) throws JSONException {
 return mExtraData.getDouble(key);
}

代码示例来源：origin: google/physical-web

/**
 * Get extra double value.
 * @param key The key of the stored value.
 * @return The stored value.
 * @throws JSONException If the mapping doesn't exist or is not the required type.
 */
public double getExtraDouble(String key) throws JSONException {
 return mExtraData.getDouble(key);
}

代码示例来源：origin: zzz40500/GsonFormat

/**
 * Get an optional double associated with a key, or the defaultValue if
 * there is no such key or if its value is not a number. If the value is a
 * string, an attempt will be made to evaluate it as a number.
 *
 * @param key
 *            A key string.
 * @param defaultValue
 *            The default.
 * @return An object which is the value.
 */
public double optDouble(String key, double defaultValue) {
  try {
    return this.getDouble(key);
  } catch (Exception e) {
    return defaultValue;
  }
}

代码示例来源：origin: jaydenxiao2016/AndroidFire

public static Double getDoubleValue(String json, String key) {
  try {
    JSONObject object = new JSONObject(json);
    return object.getDouble(key);
  } catch (Exception e) {
    e.printStackTrace();
  }
  return null;
}
public static int getIntValue(String json, String key) {

代码示例来源：origin: ankidroid/Anki-Android

private int _nextLapseIvl(Card card, JSONObject conf) {
  try {
    return Math.max(conf.getInt("minInt"), (int)(card.getIvl() * conf.getDouble("mult")));
  } catch (JSONException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: googlemaps/android-maps-utils

private ArrayList<LatLng> readItems(int resource) throws JSONException {
  ArrayList<LatLng> list = new ArrayList<LatLng>();
  InputStream inputStream = getResources().openRawResource(resource);
  String json = new Scanner(inputStream).useDelimiter("\\A").next();
  JSONArray array = new JSONArray(json);
  for (int i = 0; i < array.length(); i++) {
    JSONObject object = array.getJSONObject(i);
    double lat = object.getDouble("lat");
    double lng = object.getDouble("lng");
    list.add(new LatLng(lat, lng));
  }
  return list;
}

代码示例来源：origin: osmandapp/Osmand

protected static void parseJSON(JSONObject json, MapObject o) {
    if (json.has("name")) {
      o.name = json.getString("name");
    }
    if (json.has("enName")) {
      o.enName = json.getString("enName");
    }
    if (json.has("names")) {
      JSONObject namesObj = json.getJSONObject("names");
      o.names = new HashMap<>();
      Iterator<String> iterator = namesObj.keys();
      while (iterator.hasNext()) {
        String key = iterator.next();
        String value = namesObj.getString(key);
        o.names.put(key, value);
      }
    }
    if (json.has("lat") && json.has("lon")) {
      o.location = new LatLon(json.getDouble("lat"), json.getDouble("lon"));
    }
    if (json.has("id")) {
      o.id = json.getLong("id");
    }
  }
}

代码示例来源：origin: seven332/EhViewer

public static Result parse(String body) throws Exception {
    try {
      JSONObject jsonObject = new JSONObject(body);
      Result result = new Result();
      result.rating = (float)jsonObject.getDouble("rating_avg");
      result.ratingCount = jsonObject.getInt("rating_cnt");
      return result;
    } catch (JSONException e) {
      Exception exception = new ParseException("Can't parse rate gallery", body);
      exception.initCause(e);
      throw exception;
    }
  }
}

代码示例来源：origin: stackoverflow.com

System.out.println(person.getString("name"));
System.out.println(person.getString("gender"));
System.out.println(person.getDouble("latitude"));
System.out.println(person.getDouble("longitude"));

代码示例来源：origin: googlemaps/android-maps-utils

public List<MyItem> read(InputStream inputStream) throws JSONException {
  List<MyItem> items = new ArrayList<MyItem>();
  String json = new Scanner(inputStream).useDelimiter(REGEX_INPUT_BOUNDARY_BEGINNING).next();
  JSONArray array = new JSONArray(json);
  for (int i = 0; i < array.length(); i++) {
    String title = null;
    String snippet = null;
    JSONObject object = array.getJSONObject(i);
    double lat = object.getDouble("lat");
    double lng = object.getDouble("lng");
    if (!object.isNull("title")) {
      title = object.getString("title");
    }
    if (!object.isNull("snippet")) {
      snippet = object.getString("snippet");
    }
    items.add(new MyItem(lat, lng, title, snippet));
  }
  return items;
}

代码示例来源：origin: AltBeacon/android-beacon-library

private void buildModelMap(String jsonString) throws JSONException {
  HashMap<AndroidModel, DistanceCalculator> map = new HashMap<AndroidModel, DistanceCalculator>();
  JSONObject jsonObject = new JSONObject(jsonString);
  JSONArray array = jsonObject.getJSONArray("models");
  for (int i = 0; i < array.length(); i++) {
    JSONObject modelObject = array.getJSONObject(i);
    boolean defaultFlag = false;
    if (modelObject.has("default")) {
      defaultFlag = modelObject.getBoolean("default");
    }
    Double coefficient1 = modelObject.getDouble("coefficient1");
    Double coefficient2 = modelObject.getDouble("coefficient2");
    Double coefficient3 = modelObject.getDouble("coefficient3");
    String version = modelObject.getString("version");
    String buildNumber = modelObject.getString("build_number");
    String model = modelObject.getString("model");
    String manufacturer = modelObject.getString("manufacturer");
    CurveFittedDistanceCalculator distanceCalculator =
        new CurveFittedDistanceCalculator(coefficient1,coefficient2,coefficient3);
    AndroidModel androidModel = new AndroidModel(version, buildNumber, model, manufacturer);
    map.put(androidModel, distanceCalculator);
    if (defaultFlag) {
      mDefaultModel = androidModel;
    }
  }
  mModelMap = map;
}

代码示例来源：origin: osmandapp/Osmand

public static SearchSettings parseJSON(JSONObject json) {
    SearchSettings s = new SearchSettings(new ArrayList<BinaryMapIndexReader>());
    if (json.has("lat") && json.has("lon")) {
      s.originalLocation = new LatLon(json.getDouble("lat"), json.getDouble("lon"));
    }
    s.radiusLevel = json.optInt("radiusLevel", 1);
    s.totalLimit = json.optInt("totalLimit", -1);
    s.transliterateIfMissing = json.optBoolean("transliterateIfMissing", false);
    s.emptyQueryAllowed = json.optBoolean("emptyQueryAllowed", false);
    s.sortByName = json.optBoolean("sortByName", false);
    if (json.has("lang")) {
      s.lang = json.getString("lang");
    }
    if (json.has("searchTypes")) {
      JSONArray searchTypesArr = json.getJSONArray("searchTypes");
      ObjectType[] searchTypes = new ObjectType[searchTypesArr.length()];
      for (int i = 0; i < searchTypesArr.length(); i++) {
        String name = searchTypesArr.getString(i);
        searchTypes[i] = ObjectType.valueOf(name);
      }
      s.searchTypes = searchTypes;
    }
    return s;
  }
}

代码示例来源：origin: osmandapp/Osmand

public static Building parseJSON(JSONObject json) throws IllegalArgumentException {
    Building b = new Building();
    MapObject.parseJSON(json, b);

    if (json.has("postcode")) {
      b.postcode = json.getString("postcode");
    }
    if (json.has("lat2") && json.has("lon2")) {
      b.latLon2 = new LatLon(json.getDouble("lat2"), json.getDouble("lon2"));
    }
    if (json.has("interpolationType")) {
      b.interpolationType = BuildingInterpolation.valueOf(json.getString("interpolationType"));
    }
    if (json.has("interpolationInterval")) {
      b.interpolationInterval = json.getInt("interpolationInterval");
    }
    if (json.has("name2")) {
      b.name2 = json.getString("name2");
    }
    return b;
  }
}

代码示例来源：origin: googlemaps/android-maps-utils

.getJSONObject("geometry").getJSONObject("location");
results.put(pointsJsonArray.getJSONObject(i).getString("id"),
    new LatLng(location.getDouble("lat"),
        location.getDouble("lng")));

代码示例来源：origin: ankidroid/Anki-Android

private JSONObject _lapseConf(Card card) {
  try {
    JSONObject conf = _cardConf(card);
    // normal deck
    if (card.getODid() == 0) {
      return conf.getJSONObject("lapse");
    }
    // dynamic deck; override some attributes, use original deck for others
    JSONObject oconf = mCol.getDecks().confForDid(card.getODid());
    JSONArray delays = conf.optJSONArray("delays");
    if (delays == null) {
      delays = oconf.getJSONObject("lapse").getJSONArray("delays");
    }
    JSONObject dict = new JSONObject();
    // original deck
    dict.put("minInt", oconf.getJSONObject("lapse").getInt("minInt"));
    dict.put("leechFails", oconf.getJSONObject("lapse").getInt("leechFails"));
    dict.put("leechAction", oconf.getJSONObject("lapse").getInt("leechAction"));
    dict.put("mult", oconf.getJSONObject("lapse").getDouble("mult"));
    // overrides
    dict.put("delays", delays);
    dict.put("resched", conf.getBoolean("resched"));
    return dict;
  } catch (JSONException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: ankidroid/Anki-Android

mValues.put("easyBonus", Integer.toString((int) (revOptions.getDouble("ease4") * 100)));
mValues.put("revIvlFct", Integer.toString((int) (revOptions.getDouble("ivlFct") * 100)));
mValues.put("revMaxIvl", revOptions.getString("maxIvl"));
mValues.put("revBury", Boolean.toString(revOptions.optBoolean("bury", true)));
mValues.put("lapNewIvl", Integer.toString((int) (lapOptions.getDouble("mult") * 100)));
mValues.put("lapMinIvl", lapOptions.getString("minInt"));
mValues.put("lapLeechThres", lapOptions.getString("leechFails"));

代码示例来源：origin: stackoverflow.com

final GeoPoint position = new GeoPoint((int) (start.getDouble("lat")*1E6), 
    (int) (start.getDouble("lng")*1E6));
segment.setPoint(position);

代码示例来源：origin: facebook/facebook-android-sdk

assertEquals(7, json.getInt("intValue"));
assertEquals(5000000000l, json.getLong("longValue"));
assertEquals(3.14, json.getDouble("doubleValue"), TestUtils.DOUBLE_EQUALS_DELTA);
assertEquals("hello world", json.getString("stringValue"));

代码示例来源：origin: ankidroid/Anki-Android

/**
 * Ideal next interval for CARD, given EASE.
 */
private int _nextRevIvl(Card card, int ease) {
  try {
    long delay = _daysLate(card);
    int interval = 0;
    JSONObject conf = _revConf(card);
    double fct = card.getFactor() / 1000.0;
    int ivl2 = _constrainedIvl((int)((card.getIvl() + delay/4) * 1.2), conf, card.getIvl());
    int ivl3 = _constrainedIvl((int)((card.getIvl() + delay/2) * fct), conf, ivl2);
    int ivl4 = _constrainedIvl((int)((card.getIvl() + delay) * fct * conf.getDouble("ease4")), conf, ivl3);
    if (ease == 2) {
      interval = ivl2;
    } else if (ease == 3) {
      interval = ivl3;
    } else if (ease == 4) {
      interval = ivl4;
    }
    // interval capped?
    return Math.min(interval, conf.getInt("maxIvl"));
  } catch (JSONException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: apache/geode

testObject.getW_bool().booleanValue(), jsonObject.getBoolean(testObject.getW_boolFN()));
Assert.assertEquals("VerifyPdxInstanceToJson: Float type values are not matched",
  testObject.getW_double().doubleValue(), jsonObject.getDouble(testObject.getW_doubleFN()),
  0);
Assert.assertEquals("VerifyPdxInstanceToJson: bigDec type values are not matched",