Android设备未连接到php服务器

Question

我正在尝试使用凌空连接到我的phpmyadmin服务器，我设法访问我的sql数据库并使用模拟器从服务器发送/接收数据：但这在某种程度上似乎不适用于Android设备（试过多个）< / p>

关于如何解决这个问题的任何想法？ *下面的代码

package com.example.databasehelper452;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.HashMap;
import java.util.Map;

public class Main22Activity extends AppCompatActivity {


    TextView textViewdisplaydata;
    com.android.volley.RequestQueue requestQueue;
   // String insertUrl = "http://192.168.16.4:80/DevicesServer/insertEntry.php";  //in order to contain the url for our php files
  //  String showUrl = "http://192.168.16.4:80/DevicesServer/displayEntry.php";

    String insertUrl = "http://10.168.46.13:80/DevicesServer/insertEntry.php";
    String showUrl = "http://10.168.46.13:80/DevicesServer/displayEntry.php";

    EditText plaintxtmacmaster,plaintxtmacconnected;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main22);

        plaintxtmacconnected = (EditText) findViewById(R.id.plaintxtmacconnected);
        plaintxtmacmaster = (EditText) findViewById(R.id.plaintxtmacmaster);


        textViewdisplaydata =(TextView)findViewById(R.id.textViewdisplaydata);



        requestQueue = Volley.newRequestQueue(getApplicationContext());
    }
    String Result = "";

    public void onbtnclickshowall(View view) {
        Result = "";
        JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.POST, showUrl, new Response.Listener<JSONObject>()
        {
            public void onResponse(JSONObject response)
            {
                try {
                    JSONArray posts = response.getJSONArray("devices");
                    for (int i = 0; i < posts.length();i++) {

                        JSONObject post = posts.getJSONObject(i);

                        String MACConnected = post.getString("MACConnected");
                        String MACMasterDevice = post.getString("MACMasterDevice");
                        String DeviceName = post.getString("DeviceName");
                        String DateLastDetection = post.getString("DateLastDetection");
                        String FrequencyDetection = post.getString("FrequencyDetection");
                        String CumulativeDetection = post.getString("CumulativeDetection");
                        String MasterName = post.getString("MasterName");


                        Result = Result + "\n"+ MACConnected+ " " + DeviceName + " " + DateLastDetection+" "+FrequencyDetection+" "+ CumulativeDetection+" " + MACMasterDevice+" "+MasterName+" ";
                        String result2 = Result;
                        textViewdisplaydata.setText(Result);

                    }

                }
                catch (JSONException e)
                {
                    e.printStackTrace();

                }
            }
        }, new Response.ErrorListener()
        {
            public void onErrorResponse(VolleyError error)
            {

            }
        });
        requestQueue.add(jsonObjectRequest);

    }

    public void onbtnclickinsertall(View view) {


            StringRequest request = new StringRequest(Request.Method.POST, insertUrl, new Response.Listener<String>() {
                @Override
                public void onResponse(String response) {

                    System.out.println(response.toString());
                }
            }, new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {

                }
            }) {

                @Override
                protected Map<String, String> getParams() throws AuthFailureError {
                    Map<String,String> parameters  = new HashMap<String, String>();
                    parameters.put("MACConnected",plaintxtmacconnected.getText().toString());
                    parameters.put("MACMasterDevice",plaintxtmacmaster.getText().toString());
                    parameters.put("DeviceName","JAD");
                    parameters.put("DateLastDetection","1234567");
                    parameters.put("FrequencyDetection","12");
                    parameters.put("CumulativeDetection","12345");
                    parameters.put("MasterName","Master Test");






                    return parameters;
                }
            };
            requestQueue.add(request);
        }





}



    <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.databasehelper452">

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".Main22Activity"></activity>
    </application>

</manifest>