doInBackground上的错误，方法getText和方法makeHttpRequest

Question

I create a program from Android Hive

I get some error on this:

protected String doInBackground(String... args) {
        String id = id_anggota.getText().toString();
        String nama = nama_anggota.getText().toString();
        String kelamin = jenis_kelamin.getText().toString();
        String kls = kelas.getText().toString();
        String tanggal = tanggal_daftar.getText().toString();

        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("id_anggota", id));
        params.add(new BasicNameValuePair("nama_anggota", nama));
        params.add(new BasicNameValuePair("jenis_kelamin", kelamin));
        params.add(new BasicNameValuePair("kelas", kls));
        params.add(new BasicNameValuePair("tanggal_daftar", tanggal));

        JSONObject json = jsonParser.makeHttpRequest(url_create_product,
                "POST", params);

I get 2 kind of error:

1. On getText method id_anggota.getText() must be called from the UI Thread.
2. On makeHttpRequest method cannot resolved.

What solutions can I do for this problem?

Update:

I use some library:

1. httpclient-android-4.3.3.jar
2. httpcore-4.4.5.jar
3. com.googlecode.json-simple:json-simple:1.1

Answer 1

Inside your AsyncTask please declare some variables:

 private String id ;
 private String nama;
 private String kelamin ;
 private String kls;
 private String tanggal;

Then on onPreExecute() you can set values for them:

@Override
    protected void onPreExecute(Void result) {
        super.onPostExecute(result);
        id = id_anggota.getText().toString();
        nama = nama_anggota.getText().toString();
        kelamin = jenis_kelamin.getText().toString();
        kls = kelas.getText().toString();
        tanggal = tanggal_daftar.getText().toString();
    }

Finally on doInBackground():

protected String doInBackground(String... args) {

    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("id_anggota", id));
    params.add(new BasicNameValuePair("nama_anggota", nama));
    params.add(new BasicNameValuePair("jenis_kelamin", kelamin));
    params.add(new BasicNameValuePair("kelas", kls));
    params.add(new BasicNameValuePair("tanggal_daftar", tanggal));

makeHttpRequest can be found in JSONParser class here or here