これは私のjsonレスポンスです。私は、これは私のPHPコードであるJSONレスポンスから値を取得する方法は?
"history":[["2","[email protected]","21.2299924","72.8247365","1479718230719"],
["3","[email protected]","21.2299926","72.8247346","1479718265453"],
["4","[email protected]","21.2299924","72.8247345","1479719800472"],
["5","[email protected]","21.2299927","72.8247354","1479720302919"],
["6","[email protected]","21.2299926","72.8247344","1479720880373"],
["7","[email protected]","21.2299926","72.8247343","1479721139992"]]}
...すべての配列からリストビューに3番目のインデックスの値を表示したい:
$email = $_POST['email'];
$con = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD) or die(mysqli_error($con));
mysqli_select_db($con,DB_DATABASE) or die(mysqli_error($con));
$result = mysqli_query($con,"SELECT * from tbl_userhistory WHERE email = '$email'");
$no_of_rows = mysqli_num_rows($result);
if ($no_of_rows > 0) {
$rows = array();
while ($row = mysqli_fetch_row($result)) {
$rows[] = $row;
}
$response["history"] =$rows;
echo json_encode($response);
}
else {
return false;
}
これは私が値を取得するコードです..: 私は応答を得ていますが、適切なフォーマットではありません。私はちょうど各列からlatitiude、経度lastupddateしたい。
private void getHistory(final String em){
String tag_string_location= "group_history";
pDialog.setMessage("Getting Group members history...");
showDialog();
StringRequest strReqLocation = new StringRequest(Request.Method.POST,
Config_URL.URL_REGISTER, new Response.Listener<String>(){
@Override
public void onResponse(String response) {
Log.d("Activity_main", "getting group history " + response.toString());
hideDialog();
try {
JSONObject jObj = new JSONObject(response);
boolean error = jObj.getBoolean("error");
if (!error) {
// String groupid = jObj.getString("groupid");
JSONArray obj =jObj.getJSONArray("history");
if (obj != null) {
for (int i=0;i<obj.length();i++){
listdata.add(obj.get(i).toString());
}
}
GroupAdapter gAdapter=new GroupAdapter(HistoryUser.this,listdata);
lvHistory.setAdapter(gAdapter);
Log.d("main", "New group " + obj);
}
else {
// Error occurred in registration. Get the error
// message
String errorMsg = jObj.getString("error_msg");
Toast.makeText(getApplicationContext(),
errorMsg, Toast.LENGTH_LONG).show();
}
}catch (JSONException e) {
e.printStackTrace();
}
}
},new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e("MainAct", "group Error: " + error.getMessage());
Toast.makeText(getApplicationContext(),
error.getMessage(), Toast.LENGTH_LONG).show();
hideDialog();
}
}){
@Override
protected Map<String, String> getParams() {
// Posting params to register url
Map<String, String> params = new HashMap<String, String>();
params.put("tag", "gethistory");
// params.put("name", name);
params.put("email", em);
// params.put("password", password);
return params;
}
};
// Adding request to request queue
AppController.getInstance().addToRequestQueue(strReqLocation, tag_string_location);
}
と何を**これまで**自分を試してみましたか? –
json_decodeが配列を返します – Ima
JSONタグでほぼすべての回答を見るかもしれません – RiggsFolly