2017-02-15 162 views
0

我正在通过DataMap将Android手机的天气数据传输到可穿戴Android Wear的过程中。将DataMap转换为字符串或字符串数​​组

我已经设法得到设备上的DataMap,但需要找到一种方法,如何将其转换为一个长字符串(然后拆分成数组)或字符串数​​组。

任何想法?

现行规范对电话:

DataMap dataMap = new DataMap(); 
dataMap.putLong("1-#TIME-STAMP:", System.nanoTime()); 
dataMap.putLong("2-#CONTENT:", 0); 
dataMap.putString("time:", currentWeather[0]); 
dataMap.putString("summary:", currentWeather[1]); 
dataMap.putString("icon:", currentWeather[2]); 
dataMap.putString("nearestStormDistance:", currentWeather[3]); 
dataMap.putString("nearestStormBEaring:", currentWeather[4]); 
dataMap.putString("precipIntensity:", currentWeather[5]); 
dataMap.putString("precipPRobability:", currentWeather[6]); 
dataMap.putString("temperature:", currentWeather[7]); 
dataMap.putString("apparentTemperature:", currentWeather[8]); 
dataMap.putString("dewPoint:", currentWeather[9]); 
dataMap.putString("humidity:", currentWeather[10]); 
dataMap.putString("windSpeed:", currentWeather[11]); 
dataMap.putString("windBearing:", currentWeather[12]); 
dataMap.putString("visibility:", currentWeather[13]); 
dataMap.putString("cloudCover:", currentWeather[14]); 
dataMap.putString("pressure:", currentWeather[15]); 
dataMap.putString("ozone:", currentWeather[16]); 
new SendToDataLayerThread("/data_from_phone", dataMap).start(); 

现行规范对耐磨:

@Override 
public void onDataChanged(DataEventBuffer dataEvents) 
{ 
    DataMap dataMap; 
    for (DataEvent event : dataEvents) 
    { 
     Log.v("myTag", "DataMap item: " + DataMapItem.fromDataItem(event.getDataItem()).getDataMap()); 
    } 
} 

回答

1

我知道你想要一个字符串数组中的所有值。一旦你对你的设备数据图的对象,你可以做,在下列方式:

ArrayList<String> listOfDataItems = new ArrayList<String>(); 
for(String key: dataMap.keySet()) 
{ 
    Object value = get(key); 
    if(value instanceof Long) 
    { 
     listOfDataItems.add(String.valueOf(value)); 
    } 
    else if(value instanceof String) 
    { 
     listOfDataItems.add(value); 
    } 
} 
String [] arrayOfDataItems = listOfDataItems.toArray(new String[listOfDataItems.size()]); 
1

你尝试使用GSON?你可以直接编写Gson.toJsonString(dataMap)。