SpinnerExample.java

package com.labs.ramdani.klubpompibpom.activity.klubpompi.view;

import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.TextInputLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Spinner;

import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.labs.ramdani.klubpompibpom.R;
import com.labs.ramdani.klubpompibpom.activity.klubpompi.config.MyPreferences;
import com.labs.ramdani.klubpompibpom.activity.klubpompi.fungsi.Config;
import com.labs.ramdani.klubpompibpom.activity.klubpompi.fungsi.StringWithTag;
import com.labs.ramdani.klubpompibpom.activity.klubpompi.survey.SurveyFirstQuestionSiswaActivity;

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

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import butterknife.Bind;
import butterknife.ButterKnife;

public class BiodataSiswaActivity extends AppCompatActivity {

    private static final String TAG = "debug_biodata_fas";
    @Bind(R.id.txtNama)
    EditText txtNama;

    @Bind(R.id.til)
    TextInputLayout til;

    @Bind(R.id.txtKelas)
    EditText txtKelas;

    @Bind(R.id.til2)
    TextInputLayout til2;

    @Bind(R.id.txtAsalSekolah)
    EditText txtAsalSekolah;

    @Bind(R.id.til3)
    TextInputLayout til3;

    @Bind(R.id.txt_alamat)
    EditText txtAlamatSekolah;

    @Bind(R.id.til4)
    TextInputLayout til4;

    @Bind(R.id.fab)
    FloatingActionButton fab;

    //inisiasi SharedPreferences
    SharedPreferences sharedPref;

    //Declaring an Spinner
    private Spinner spinner;
    private Spinner spinnerRegencies;

    HashMap<String,String> spinnerMap;
    HashMap<String,String> spinnerMapRegencies;

    List<StringWithTag> itemList;
    List<StringWithTag> itemListRegencies;

    String getProvinsi;
    String getRegencies;

    //JSON Array
    private JSONArray provinsi;
    private JSONArray regencies;

    RequestQueue requestQueue;
    RequestQueue requestQueue2;

    ArrayAdapter<StringWithTag> myAdapterRegencies;

    AlertDialog.Builder alertDialogBuilder;

    final Context context = this;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_biodata_siswa);
        ButterKnife.bind(this);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setDisplayShowHomeEnabled(true);

        spinner = (Spinner) findViewById(R.id.provinsi_spin);
        spinnerRegencies = (Spinner) findViewById(R.id.kotakabupaten_spin);

        spinnerMap = new HashMap<String, String>();
        spinnerMapRegencies = new HashMap<String, String>();

        itemList = new ArrayList<StringWithTag>();

        itemListRegencies = new ArrayList<StringWithTag>();

        getData();

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {

                itemListRegencies.clear();

                StringWithTag ss = (StringWithTag) parent.getItemAtPosition(position);
                String key =  ss.tag;

                getProvinsi =  ss.string;

                String getURLRegencies = Config.DATA_URL_REGENCIES+key;
                Log.d(TAG, "URL: "+getURLRegencies);

                Log.d(TAG, "provinsi: "+getProvinsi);

                StringRequest stringRequestRegencies = new StringRequest(getURLRegencies,
                        new Response.Listener<String>() {
                            @Override
                            public void onResponse(String response) {
                                JSONObject j = null;
                                try {
                                    //Parsing the fetched Json String to JSON Object
                                    j = new JSONObject(response);

                                    //Storing the Array of JSON String to our JSON Array
                                    regencies = j.getJSONArray(Config.JSON_ARRAY_REGENCIES);

                                    System.out.print("tampil data regencies json "+regencies.toString());

                                    Log.d(TAG, "onResponse length: "+j.length());
                                    Log.d(TAG, "onResponse: "+regencies.toString());

                                    Log.d(TAG, "itemlistregen: "+itemListRegencies);

                                    getListRegencies(regencies);

                                } catch (JSONException e) {
                                    e.printStackTrace();
                                }
                            }
                        },
                        new Response.ErrorListener() {
                            @Override
                            public void onErrorResponse(VolleyError error) {

                            }
                        });

                requestQueue.add(stringRequestRegencies);
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {

            }
        });

        spinnerRegencies.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {

                //itemListRegencies.clear();

                StringWithTag ss = (StringWithTag) parent.getItemAtPosition(position);
                String key =  ss.tag;

                getRegencies =  ss.string;

                Log.d(TAG, "kota/kabupaten: "+getRegencies);

            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {

            }
        });

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {

                // get value from editText
                String getNama = String.valueOf(txtNama.getText());
                String getKelas = String.valueOf(txtKelas.getText());
                String getAsalSekolah = String.valueOf(txtAsalSekolah.getText());
                String getAlamatSekolah = String.valueOf(txtAlamatSekolah.getText());

                String getAsalDaerahProvinsi = getProvinsi;
                String getAsalDaerahKotKab = getRegencies;

                Log.d(TAG, "tampil_prov :"+getAsalDaerahProvinsi);
                Log.d(TAG, "tampil_regencies :"+getAsalDaerahKotKab);


                if (TextUtils.isEmpty(getNama) || TextUtils.isEmpty(getKelas) || TextUtils.isEmpty(getAsalSekolah) || TextUtils.isEmpty(getAlamatSekolah)
                        || TextUtils.isEmpty(getAsalDaerahProvinsi) || TextUtils.isEmpty(getAsalDaerahKotKab)) {

                    validasi();

                    return;
                }else {
                    Log.d(TAG, "onClick: terisi semua");

                    Intent i = new Intent(getApplicationContext(), SurveyFirstQuestionSiswaActivity.class);

                    // put to Bundle Extra Intent
                    i.putExtra("GET_NAME", getNama);
                    i.putExtra("GET_KELAS", getKelas);
                    i.putExtra("GET_ASAL_SEKOLAH", getAsalSekolah);
                    i.putExtra("GET_ALAMAT_SEKOLAH", getAlamatSekolah);
                    i.putExtra("GET_ASAL_DAERAH_PROVINSI", getAsalDaerahProvinsi);
                    i.putExtra("GET_ASAL_DAERAH_KOTAKAB", getAsalDaerahKotKab);

                    //setting shared preference MODE_PRIVATE
                    sharedPref = getApplicationContext().getSharedPreferences(MyPreferences.MyPREFERENCES, Context.MODE_PRIVATE);
                    SharedPreferences.Editor editor = sharedPref.edit();

                    // add string on key from editText
                    editor.putString(MyPreferences.KEY_NAMA, getNama);
                    editor.putString(MyPreferences.KEY_KELAS, getKelas);
                    editor.putString(MyPreferences.KEY_ASAL_SEKOLAH, getAsalSekolah);
                    editor.putString(MyPreferences.KEY_ALAMAT_SEKOLAH, getAlamatSekolah);
                    editor.putString(MyPreferences.KEY_ASAL_DAERAH_PROVINSI_SISWA, getProvinsi);
                    editor.putString(MyPreferences.KEY_ASAL_DAERAH_KOTAKAB_SISWA, getRegencies);

                    // save
                    editor.commit();

                    startActivity(i);
                }


            }

        });

    }

    public void validasi(){

        alertDialogBuilder = new AlertDialog.Builder(context);

        // set title
        alertDialogBuilder.setTitle("Peringatan");

        // set dialog message
        alertDialogBuilder
                .setMessage("maaf biodata siswa harus diisi semua!")
                .setCancelable(true)
                .setNegativeButton("kembali",
                        null).create();

        // create alert dialog
        AlertDialog alertDialog = alertDialogBuilder.create();

        // show it
        alertDialog.show();
    }


    private void getData(){
        //Creating a string request

        StringRequest stringRequest = new StringRequest(Config.DATA_URL_PROVINCE,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        JSONObject j = null;
                        try {
                            //Parsing the fetched Json String to JSON Object
                            j = new JSONObject(response);

                            //Storing the Array of JSON String to our JSON Array
                            provinsi = j.getJSONArray(Config.JSON_ARRAY);

                            System.out.print("tampil data json "+provinsi.toString());

                            Log.d(TAG, "onResponse: "+provinsi.toString());

                            //Calling method getStudents to get the students from the JSON Array
                            //getStudents(result);
                            getProvince(provinsi);
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {

                    }
                });

        //Creating a request queue
        requestQueue = Volley.newRequestQueue(this);

        //Adding request to the queue
        requestQueue.add(stringRequest);

    }

    private void getProvince(JSONArray j){
        //Traversing through all the items in the json array
        for(int i=0;i<j.length();i++){
            try {
                //Getting json object
                JSONObject json = j.getJSONObject(i);


                Log.d(TAG, "count json : "+json.length());
                Log.d(TAG, "count j : "+j.length());

                spinnerMap.put(json.getString(Config.TAG_ID_PROVINCE),json.getString(Config.TAG_NAME_PROVINCE));

                itemList.add(new StringWithTag(json.getString(Config.TAG_NAME_PROVINCE),json.getString(Config.TAG_ID_PROVINCE)));


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

        //Setting adapter to show the items in the spinner
        spinner.setAdapter(new ArrayAdapter<StringWithTag>(BiodataSiswaActivity.this, android.R.layout.simple_spinner_dropdown_item, itemList));

    }

    private void getListRegencies(JSONArray j){
        //Traversing through all the items in the json array
        for(int i=0;i<j.length();i++){
            try {
                //Getting json object
                JSONObject json = j.getJSONObject(i);


                Log.d(TAG, "count json : "+json.length());
                Log.d(TAG, "count j : "+j.length());

                spinnerMapRegencies.put(json.getString(Config.TAG_ID_PROVINCE),json.getString(Config.TAG_NAME_PROVINCE));

                itemListRegencies.add(new StringWithTag(json.getString(Config.TAG_NAME_PROVINCE),json.getString(Config.TAG_ID_PROVINCE)));

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

        //Setting adapter to show the items in the spinner

        myAdapterRegencies = new ArrayAdapter<StringWithTag>(BiodataSiswaActivity.this, android.R.layout.simple_spinner_dropdown_item);
        myAdapterRegencies.clear();
        myAdapterRegencies.addAll(itemListRegencies);

        myAdapterRegencies.notifyDataSetChanged();
        spinnerRegencies.setAdapter(myAdapterRegencies);
    }

    
}