CODEWITHSUNDEEP
phpandroidjson
Borshon saydur rahman
Borshon saydur rahman

Reputation: 130

my android application is not geting json data from the server

here is the code but it can not get the json data although the browser is showing the json data when i m turning it on why?the php code is working fine but when the android is trying to fetch it says i am fetching null

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    StrictMode.enableDefaults();
    resultview=(TextView)findViewById(R.id.resulttext);
    getdata();

}

public void getdata()
{
    String result=null;
    InputStream inputstream=null;
    try{
        HttpClient httpclient=new DefaultHttpClient();
        HttpPost httppost=new HttpPost("http://127.0.0.1/getallcustomers.php");
        HttpResponse response=httpclient.execute(httppost);
        HttpEntity httpentity=response.getEntity();
        inputstream= httpentity.getContent();
    }
    catch(Exception ex)
    {
        resultview.setText(ex.getMessage()+"at 1st exception");
    }
    try{
        BufferedReader reader=new BufferedReader(new InputStreamReader(inputstream,"iso-8859-1"),8);
        StringBuilder sb=new StringBuilder();
        String line=null;
        while((line=reader.readLine())!= null)                  
        {
            sb.append(line +"\n");
        }
        inputstream.close();
        result=sb.toString();
    }
    catch(Exception ex)
    {
        resultview.setText(ex.getMessage()+"at 2nd exception");
    }
    try{
        String s="test :";
        JSONArray jarray=new JSONArray(result);
        for(int i=0; i<jarray.length();i++)
        {
            JSONObject json=jarray.getJSONObject(i);
            s= s +
                    "Name : "+json.getString("firstname")+" "+json.getString("lastname")+"\n"+
                    "age :"+json.getString("age")+"\n"+
                    "phone : "+json.getString("phone");
        }
        resultview.setText(s);
    }
    catch(Exception ex)
    {
        this.resultview.setText(ex.getMessage()+"at 3rd exception");
    }

}

}

Upvotes: 0

Views: 108

Answers (4)

Shahina
Shahina

Reputation: 96

Code to get json data from server. It is working fine for me. 

private void get_valueFromServer(String php) {
String responseString = null;
try{    
    HttpClient httpclient = new DefaultHttpClient();
    String url ="your_url"; 
    HttpPost httppost = new HttpPost(url);
    HttpResponse response = httpclient.execute(httppost);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    response.getEntity().writeTo(out);
    out.close();
    responseString = out.toString();
    Toast.makeText(getApplicationContext(),responseString,1000).show();

    //The below code is for Separating values.It may varies according with your result from server.

    JSONArray ja = new JSONArray(responseString);
    int x=Integer.parseInt(ja.getJSONObject(0).getString("your_string_name"));

} catch(Exception e) {
}
}

Upvotes: 0

mameyugo
mameyugo

Reputation: 298

is your php version 5.5?

you should use mysqli not use mysql

the php code is correct, perhaps the access database does not have the correct data

Upvotes: 0

iflorit
iflorit

Reputation: 749

You are launching the http request on UI thread. Probably it crashes for this.

Try to log the exception, not put in your resultview object and confirm that

Upvotes: 0

Cedric Morent
Cedric Morent

Reputation: 1719

Are you sure you can access your localhost from the emulator? You should take a look at this: Accessing localhost:port from Android emulator

Upvotes: 1

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