STEP -1 : CurrencyConvertor.php, Save in WAMPP/XAMPP localhost root folder
CurrencyConvertor.php - Convert one currency to other
<?php
function currencyConvertor($amount,$from_Currency,$to_Currency) {
$amount = urlencode($amount);
$from_Currency = urlencode($from_Currency);
$to_Currency = urlencode($to_Currency);
$get = "https://www.google.com/finance/converter?a=$amount&from=$from_Currency&to=$to_Currency";
$ch = curl_init();
$url = $get;
// Disable SSL verification
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
// Will return the response, if false it print the response
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Set the url
curl_setopt($ch, CURLOPT_URL,$url);
// Execute
$result=curl_exec($ch);
// Closing
curl_close($ch);
$get = explode("<span class=bld>",$result);
$get = explode("</span>",$get[1]);
$converted_amount = preg_replace("/[^0-9\.]/", null, $get[0]);
//return number_format($converted_amount, 2, '.', '');
return round($converted_amount, 3);
}
if(isset($_POST['amount']) && isset($_POST['fromc']) && isset($_POST['to']))
{
$amount = $_POST['amount'];
$fromc = $_POST['fromc'];
$to = $_POST['to'];
$curr = currencyConvertor($amount,$fromc,$to);
echo json_encode($curr);
}
?>
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STEP-2 : CurrencyCode.php - Save in root folder. It fetch all country with their currency code in a JSON format.
CurrencyCode.php
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<?php
function currencyConvertor($amount,$from_Currency,$to_Currency) {
$amount = urlencode($amount);
$from_Currency = urlencode($from_Currency);
$to_Currency = urlencode($to_Currency);
$get = "https://www.google.com/finance/converter?a=$amount&from=$from_Currency&to=$to_Currency";
$ch = curl_init();
$url = $get;
// Disable SSL verification
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
// Will return the response, if false it print the response
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Set the url
curl_setopt($ch, CURLOPT_URL,$url);
// Execute
$result=curl_exec($ch);
// Closing
curl_close($ch);
$get = explode("<span class=bld>",$result);
$get = explode("</span>",$get[1]);
$converted_amount = preg_replace("/[^0-9\.]/", null, $get[0]);
//return number_format($converted_amount, 2, '.', '');
return round($converted_amount, 3);
}
if(isset($_POST['amount']) && isset($_POST['fromc']) && isset($_POST['to']))
{
$amount = $_POST['amount'];
$fromc = $_POST['fromc'];
$to = $_POST['to'];
$curr = currencyConvertor($amount,$fromc,$to);
echo json_encode( $curr);
/* $json[] = array("amount"=>$curr);
echo json_encode(array('record'=>$json));*/
}
?>
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NOW, WE START ANDROID CODE
STEP-3 : Add below library to App level Gradle
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compile 'com.squareup.okhttp3:okhttp:3.8.0'compile 'com.squareup.okhttp3:okhttp:3.8.0'compile 'com.squareup.picasso:picasso:2.5.2'
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STEP - 4 : activity_main.xml
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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:padding="16dp" android:gravity="center_horizontal|center_vertical" tools:context="cmsecomm.ecommerce.app.com.currencyconvertor.MainActivity">
// FIRST
<LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="2">
<LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical">
<LinearLayout android:id="@+id/ll1" android:layout_width="120dp" android:layout_height="68dp" android:layout_gravity="center_horizontal" android:background="#eeeeee" android:orientation="vertical" android:paddingLeft="16dp">
<TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Currency" android:textColor="#000000" android:textSize="20dp" />
<Spinner android:id="@+id/idSpnFromCountry" android:layout_width="wrap_content" android:layout_height="wrap_content" android:dropDownWidth="148dp" /> </LinearLayout> </LinearLayout>
<LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical">
<LinearLayout android:id="@+id/ll2" android:layout_width="120dp" android:layout_height="68dp" android:layout_gravity="center_horizontal" android:background="#eeeeee" android:orientation="vertical" android:paddingLeft="16dp">
<TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Amount" android:textColor="#000000" android:textSize="20dp" />
<EditText android:id="@+id/et" android:layout_width="wrap_content" android:layout_height="wrap_content" android:digits=".0123456789" android:hint="Enter No." android:textColor="#000000" android:textColorHint="#aaaaaa" /> </LinearLayout> </LinearLayout>
</LinearLayout>
// -------------REFRESH BUTTON
<LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" android:layout_marginTop="24dp" android:layout_marginBottom="24dp" > <ImageView android:id="@+id/idBtnCur" android:layout_width="64dp" android:layout_height="64dp" android:src="@drawable/ic_refresh_512" android:layout_gravity="center_vertical|center_horizontal" /> </LinearLayout> //
// SECOND ------------------------------
<LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="2">
<LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical">
<LinearLayout android:id="@+id/ll3" android:layout_width="120dp" android:layout_height="68dp" android:layout_gravity="center_horizontal" android:background="#eeeeee" android:paddingLeft="16dp" android:paddingRight="16dp" android:orientation="vertical">
<TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Currency" android:textColor="#000000" android:textSize="20dp" />
<Spinner android:id="@+id/idSpnToCountry" android:layout_width="wrap_content" android:layout_height="wrap_content" android:dropDownWidth="148dp" /> </LinearLayout> </LinearLayout>
<LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical"> <LinearLayout android:id="@+id/ll4" android:layout_width="120dp" android:layout_height="68dp" android:layout_gravity="center_horizontal" android:background="#eeeeee" android:paddingLeft="16dp" android:paddingRight="16dp" android:orientation="vertical">
<TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Amount" android:textColor="#000000" android:textSize="20dp" />
<TextView android:id="@+id/tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:hint="Result" android:textSize="20dp" /> </LinearLayout> </LinearLayout>
</LinearLayout>
// SINGLE DATA
<LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="2" android:layout_marginTop="16dp" > <TextView android:id="@+id/idSingleValTV" android:layout_width="0dp" android:layout_height="wrap_content" android:text="Single Val" android:textColor="#000000" android:layout_weight="1" android:gravity="center_horizontal" /> <TextView android:id="@+id/idSingleResultTV" android:layout_width="0dp" android:layout_height="wrap_content" android:text="Result Val" android:textColor="#000000" android:layout_weight="1" android:gravity="center_horizontal" /> </LinearLayout>
<TextView android:id="@+id/idDesc" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="2" android:layout_marginTop="16dp" > <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:orientation="vertical" android:layout_weight="1" android:gravity="center_horizontal" >
<ImageView android:layout_width="64dp" android:layout_height="64dp" android:src="@drawable/ic_help" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="HELP" android:textAllCaps="true" android:layout_marginTop="8dp" /> </LinearLayout> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:orientation="vertical" android:layout_weight="1" android:gravity="center_horizontal" >
<ImageView android:layout_width="64dp" android:layout_height="64dp" android:src="@drawable/ic_mail" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="MAIL" android:textAllCaps="true" android:layout_marginTop="8dp" /> </LinearLayout>
</LinearLayout>
</LinearLayout>
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STEP-5 : MainActivity.java
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import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.EditText;import android.widget.ImageView;import android.widget.Spinner;import android.widget.TextView;import java.text.NumberFormat;import java.text.ParseException;import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
private static final String TAG = MainActivity.class.getSimpleName(); EditText et; Spinner spnFromC, spnToC; TextView tv, tvSingleVal, tvSingleResult, tvDesc; ImageView btnCur;
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);
// VIEW INITIALIZE et = (EditText)findViewById(R.id.et) ; spnFromC = (Spinner)findViewById(R.id.idSpnFromCountry); spnToC = (Spinner)findViewById(R.id.idSpnToCountry); tv = (TextView)findViewById(R.id.tv); btnCur = (ImageView) findViewById(R.id.idBtnCur); tvSingleVal = (TextView)findViewById(R.id.idSingleValTV); tvSingleResult = (TextView)findViewById(R.id.idSingleResultTV); tvDesc = (TextView)findViewById(R.id.idDesc); tvDesc.setText(R.string.description);
getCountryCurData(); btnCur.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
String amount = et.getText().toString();
String fromc = spnFromC.getItemAtPosition(spnFromC.getSelectedItemPosition()).toString(); String toc = spnToC.getItemAtPosition(spnToC.getSelectedItemPosition()).toString(); String[] curData = {amount, fromc, toc}; getConvertedValue(curData);
// TEXTVIEW DATA tvSingleVal.setText("1.00 "+spnFromC.getSelectedItem().toString()); try {
Thread.sleep(2000); } catch (InterruptedException e) {
e.printStackTrace(); }
tvSingleResult.setText(getSingleValue()+" "+spnToC.getSelectedItem());
}
}); }
public void getConvertedValue(String[] curData)
{
new JsonConvertAdapter(MainActivity.this){
@Override protected void onPostExecute(String s) {
super.onPostExecute(s); if(!s.equals(""))
{
tv.setText(s); }
}
}.execute(curData); }
public void getCountryCurData()
{
new JsonAdapter(MainActivity.this)
{
@Override protected void onPostExecute(ArrayList<JsonPOJO> stringHashMap) {
super.onPostExecute(stringHashMap); if(stringHashMap != null)
{
CustomSpinnerAdapter customAdapter = new CustomSpinnerAdapter(MainActivity.this, stringHashMap); spnFromC.setAdapter(customAdapter); spnToC.setAdapter(customAdapter); }
}
}.execute(); }
public int getSingleValue()
{
int total_cal=0; try {
String s1 = et.getText().toString().trim(); String s2 = tv.getText().toString().trim();
int count = NumberFormat.getInstance().parse(s1).intValue(); int value = NumberFormat.getInstance().parse(s2).intValue(); total_cal = value/count;
}catch (NullPointerException npe)
{
Log.e(TAG, "Err: "+npe, npe); } catch (ParseException e) {
e.printStackTrace(); }
return total_cal; }
}
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STEP-6 : custom_spinner_items.xml
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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="42dp" android:weightSum="2" > <ImageView android:id="@+id/iv" android:layout_width="48dp" android:layout_height="match_parent" android:src="@drawable/ic_img_avail" android:visibility="gone" /> <TextView android:id="@+id/idTV1" android:layout_width="0dp" android:layout_height="wrap_content" android:text="text1" android:layout_weight="1" android:visibility="gone" />
<TextView android:id="@+id/idTV2" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:text="text1" android:textSize="20dp" android:textStyle="bold" android:layout_marginLeft="8dp" android:gravity="center_vertical|center_horizontal" />
</LinearLayout>
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STEP-7 : CustomSpinnerAdapter
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import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;import com.squareup.picasso.Picasso;import java.util.ArrayList;
/** * Created by Divakar on 6/5/2017. */
public class CustomSpinnerAdapter extends BaseAdapter {
Context mContext; ArrayList<JsonPOJO> hmJson = new ArrayList<>();; LayoutInflater inflater; TextView tv1, tv2; ImageView iv1;
CustomSpinnerAdapter(Context context, ArrayList<JsonPOJO> hmJson)
{
mContext = context; this.hmJson = hmJson; inflater= (LayoutInflater.from(context)); }
@Override public int getCount() {
return hmJson.size(); }
@Override public Object getItem(int position) {
return hmJson.get(position).getCcur(); }
@Override public long getItemId(int position) {
return 0; }
@Override public View getView(int position, View convertView, ViewGroup parent) {
View itemView = inflater.inflate(R.layout.custom_spinner_items, parent, false);
iv1 = (ImageView)itemView.findViewById(R.id.iv) ; tv1 = (TextView)itemView.findViewById(R.id.idTV1); tv2 = (TextView)itemView.findViewById(R.id.idTV2); String ccode = hmJson.get(position).getCountry_code().toLowerCase(); Picasso.with(mContext)
.load("http://caches.space/flags/"+ccode+".png")
.fit()
.centerCrop()
.into(iv1);
tv1.setText(hmJson.get(position).getCname()); tv2.setText(hmJson.get(position).getCcur()); return itemView; }
}
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STEP-8 : JsonPOJO
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public class JsonPOJO {
public JsonPOJO(String cname, String country_code, String ccur) {
this.cname = cname; this.ccur = ccur; this.country_code = country_code; }
public String getCname() {
return cname; }
public String getCcur() {
return ccur; }
public String getCountry_code() {
return country_code; }
String cname; String country_code; String ccur;}
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STEP-9 : JsonConvertAdapter
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import android.app.ProgressDialog;import android.content.Context;import android.os.AsyncTask;import android.util.Log;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLEncoder;
/** * Created by Divakar on 1/10/2017. */
public class JsonConvertAdapter extends AsyncTask<String, String, String> {
Context context; public static final String TAG=Package.getPackages().getClass().getName().toString(); String lineOfJson=""; private ProgressDialog progressDialog; private String url1 = "http://192.168.1.16/CURRENCY/cu.php";
public JsonConvertAdapter(Context context)
{ this.context = context; }
@Override protected void onPreExecute() {
super.onPreExecute(); progressDialog = new ProgressDialog(context); //progressDialog.setTitle("Product Image"); progressDialog.setMessage("Processing..."); progressDialog.setIndeterminate(true); progressDialog.setCancelable(false); // progressDialog.show(); }
@Override public String doInBackground(String... inParams)
{
/*String am = "2"; String fromc = "USD"; String toc = "INR"; */ String am = inParams[0]; String fromc = inParams[1]; String toc = inParams[2];
try {
URL url = new URL(url1); HttpURLConnection httpURLConnection = (HttpURLConnection)url.openConnection(); httpURLConnection.setRequestMethod("POST"); httpURLConnection.setDoOutput(true); httpURLConnection.setDoInput(true); OutputStream outputStream = httpURLConnection.getOutputStream(); BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream,"UTF-8"));
String post_data = URLEncoder.encode("amount","UTF-8")+"="+URLEncoder.encode(am, "UTF-8")+"&" +URLEncoder.encode("fromc", "UTF-8")+"="+URLEncoder.encode(fromc, "UTF-8")+"&"+
URLEncoder.encode("to", "UTF-8")+"="+URLEncoder.encode(toc, "UTF-8");
bufferedWriter.write(post_data); bufferedWriter.flush(); bufferedWriter.close(); outputStream.close(); InputStream inputStream = httpURLConnection.getInputStream(); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream,"iso-8859-1"));
lineOfJson = bufferedReader.readLine().toString();
if(lineOfJson != null) {
return lineOfJson; }
bufferedReader.close(); inputStream.close(); httpURLConnection.disconnect(); }catch (MalformedURLException mue)
{
Log.e(TAG, "Error : "+mue); }catch (IOException ioe)
{
Log.e(TAG,"Error : "+ioe); }
return lineOfJson; }
@Override protected void onPostExecute(String s) {
super.onPostExecute(s); // progressDialog.dismiss(); }
}
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STEP-10 : CountryJsonAdapter
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import android.content.Context;import android.os.AsyncTask;import org.json.JSONArray;import org.json.JSONException;import org.json.JSONObject;import java.io.IOException;import java.util.ArrayList;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;
/** * Created by Divakar on 6/5/2017. */
public class CountryJsonAdapter extends AsyncTask<String, String, ArrayList<JsonPOJO>>{
Context mContext; private static final String TAG = CountryJsonAdapter.class.getSimpleName();
OkHttpClient client = new OkHttpClient(); CountryJsonAdapter(Context mContext) {
this.mContext = mContext; }
@Override protected ArrayList<JsonPOJO> doInBackground(String... params) {
String url1 = "http://www.mycurrency.net/service/rates";
String lineofjson = null; try {
lineofjson = run(url1); } catch (IOException e) {
e.printStackTrace(); }
System.out.println(lineofjson);
// String json1 = lineofjson.substring(1, lineofjson.length()-1);
return convertJSON(lineofjson); }
@Override protected void onPostExecute(ArrayList<JsonPOJO> jsonPOJOs) {
super.onPostExecute(jsonPOJOs);
}
// OkHttp getting JSON Data String run(String url) throws IOException {
Request request = new Request.Builder()
.url(url)
.build();
try (Response response = client.newCall(request).execute()) {
return response.body().string(); }
}
// CONVERT JSON TO ARRAYLIST public ArrayList<JsonPOJO> convertJSON(String lineOfJson)
{
ArrayList<JsonPOJO> jsonAL = new ArrayList<>(); try {
// JSONObject jsonObject1 = new JSONObject(lineOfJson); JSONArray jsonArray1 = new JSONArray(lineOfJson); for(int i = 0; i<jsonArray1.length(); i++)
{
JSONObject jsonObject2 = jsonArray1.getJSONObject(i); String country = jsonObject2.getString("name"); String country_code = jsonObject2.getString("code"); String currency = jsonObject2.getString("currency_code");
System.out.println(country); System.out.println(currency);
JsonPOJO jsonPOJO = new JsonPOJO(country, country_code, currency); jsonAL.add(jsonPOJO);
}
} catch (JSONException e) {
e.printStackTrace(); }
return jsonAL; }
}
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IMAGE -
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