解析JSON方向谷歌地圖

Question

我需要從下面的URL下面解析json並將距離和持續時間的數據放在listview中嗎？

http://maps.googleapis.com/maps/api/directions/json?origin=-25.3641,-49.2857&destination=-25.3928,-49.2728&region=en&sensor=false

Answer 1

你的問題不是很清楚。你需要先解析json。您可以將解析的數據放入Bundle的ArrayList。不喜歡下面的內容：

String response = getResponseFromGoogleMaps(); //this function will fetch the response. write it in your way 
ArrayList<Bundle> list = new ArrayList<Bundle>(); 
try { 
     JSONObject json = new JSONObject(response); 
     JSONArray routes = json.getJSONArray("route"); 
     JSONArray legs = routes.getJSONArray(0); 
     JSONArray steps = legs.getJSONArray(0); 
     for(int i=0;i<steps.length();i++) { 
      JSONObject singleStep = steps.getJSONObject(i); 
      JSONObject duration = singleStep.getJSONObject("duration"); 
      Bundle dur = new Bundle(); 
      dur.putString("text", duration.getString("text")); 
      dur.putString("value", duration.getString("value")); 
      JSONObject distance = singleStep.getJSONObject("distance"); 
      Bundle dis = new Bundle(); 
      dis.putString("text", distance.getString("text")); 
      dis.putString("value", distance.getString("value")); 
      Bundle data = new Bundle(); 
      data.putBundle("duration", dur); 
      data.putBundle("distance", dis); 
      list.add(data); 
     } 
} catch (JSONException e1) { 
     // TODO Auto-generated catch block 
     e1.printStackTrace(); 
} 

然後創建它處理ArrayList<Bundle>自己的列表適配器（應該從BaseAdapter延伸）。你完成了！