Comments by RookieStudent (Top 8 by date)

but i had it written already though in my MainActivity, here it is:

package sg.edu.rp.c346.new4thappcurrencyconvertorpd;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.NavigationUI;

import android.os.Bundle;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.material.bottomnavigation.BottomNavigationView;
import com.squareup.okhttp.Callback;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;

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

import java.io.IOException;
import java.text.BreakIterator;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class MainActivity extends AppCompatActivity {

public static BreakIterator data;
List<string> keysList;
Spinner toCurrency;
TextView textView;



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

NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
BottomNavigationView bottomNav = findViewById(R.id.bottom_nav);
bottomNav.setOnNavigationItemSelectedListener(navListener);
NavigationUI.setupWithNavController(bottomNav, navController);

getSupportFragmentManager().beginTransaction().replace(R.id.nav_host_fragment, new HomeFragment());

toCurrency = (Spinner)findViewById(R.id.planets_spinner);
final EditText edtEuroValue = (EditText)findViewById(R.id.editText4);
final Button btnConvert = (Button)findViewById(R.id.button);
textView =(TextView) findViewById(R.id.textView7);
try {
loadConvTypes();
} catch (IOException e) {
e.printStackTrace();
}

btnConvert.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(!edtEuroValue.getText().toString().isEmpty())
{
String toCurr = toCurrency.getSelectedItem().toString();
double euroVlaue = Double.valueOf(edtEuroValue.getText().toString());

Toast.makeText(MainActivity.this, "Please Wait..", Toast.LENGTH_SHORT).show();
try {
convertCurrency(toCurr, euroVlaue);
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(MainActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
}
}
else
{
Toast.makeText(MainActivity.this, "Please Enter a Value to Convert..", Toast.LENGTH_SHORT).show();
}

}
});

}

public void loadConvTypes() throws IOException {

String url = "https://api.exchangeratesapi.io/latest";

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
.url(url)
.header("Content-Type", "application/json")
.build();



client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Request request, IOException e) {
String mMessage = e.getMessage().toString();
Log.w("failure Response",

hi, but after re-attempting it though i still encounter the same error. Does it have anything to do due to the fact that i did not place the set of codes as seen above into the java class where i have created the layout for ? sorry if my question seems poorly phrased here

sorry! but here it is


<relativelayout 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" tools:context=".HomeFragment">


<imageview
android:id="@+id/cashimage"
="" android:layout_width="100dp" android:layout_height="100dp" android:layout_alignend="@+id/button" android:layout_alignright="@+id/button" android:layout_alignparenttop="true" android:layout_gravity="center_horizontal" android:layout_margintop="20dp" android:layout_marginend="-45dp" android:layout_marginright="-45dp" android:src="@drawable/currency">

<textview
android:id="@+id/textView5"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignstart="@+id/textView4" android:layout_alignparenttop="true" android:layout_marginstart="0dp" android:layout_margintop="231dp" android:text="Curency">

<spinner
android:id="@+id/planets_spinner"
="" android:layout_width="220dp" android:layout_height="wrap_content" android:layout_aligntop="@+id/textView5" android:layout_marginleft="70dp" android:layout_margintop="1dp">

<textview
android:id="@+id/textView4"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentstart="true" android:layout_alignparentleft="true" android:layout_alignparenttop="true" android:layout_marginstart="41dp" android:layout_marginleft="41dp" android:layout_margintop="164dp" android:text="Amount">

<edittext
android:id="@+id/editText4"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignbottom="@+id/textView4" android:layout_centerhorizontal="true" android:layout_marginbottom="-16dp" android:ems="10" android:inputtype="number">


<button
android:id="@+id/button"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentstart="true" android:layout_alignparentleft="true" android:layout_alignparenttop="true" android:layout_marginstart="125dp" android:layout_marginleft="125dp" android:layout_margintop="297dp" android:text="Convert">

<textview
android:id="@+id/textView6"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentstart="true" android:layout_alignparentleft="true" android:layout_alignparentbottom="true" android:layout_marginstart="51dp" android:layout_marginleft="51dp" android:layout_marginbottom="113dp" android:text="Value">

<textview
android:id="@+id/textView7"
="" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_aligntop="@+id/textView6" android:layout_marginstart="44dp" android:layout_margintop="0dp" android:layout_toendof="@+id/textView5" android:text="TextView">