Get otp from message

Foodify/app/src/main/AndroidManifest.xml

@@ -7,6 +7,10 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.READ_PHONE_NUMBERS" />
+    <uses-permission android:name="android.permission.RECEIVE_SMS" />
+    <uses-permission android:name="android.permission.READ_SMS" />
 
     <application
         android:allowBackup="true"
@@ -19,6 +23,13 @@
         android:theme="@style/Theme.Foodify"
         tools:replace="android:theme"
         tools:targetApi="31">
+        
+        <receiver android:name=".OTP_Receiver">
+
+            <intent-filter>
+                <action android:name="android.provider.Telephony.SMS_RECEIVED" />
+            </intent-filter>
+        </receiver>
         <activity
             android:name=".OrderStatusDetail"
             android:exported="false" />

Foodify/app/src/main/java/com/waterbase/foodify/OTP_Receiver.java

@@ -0,0 +1,55 @@
+package com.waterbase.foodify;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.provider.Telephony;
+import android.telephony.SmsMessage;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class OTP_Receiver extends BroadcastReceiver {
+
+    private static EditText otp1, otp2, otp3, otp4, otp5, otp6;
+
+    public void setEditText(EditText otp1, EditText otp2, EditText otp3, EditText otp4, EditText otp5, EditText otp6){
+        OTP_Receiver.otp1 = otp1;
+        OTP_Receiver.otp2 = otp2;
+        OTP_Receiver.otp3 = otp3;
+        OTP_Receiver.otp4 = otp4;
+        OTP_Receiver.otp5 = otp5;
+        OTP_Receiver.otp6 = otp6;
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        SmsMessage[] messages = Telephony.Sms.Intents.getMessagesFromIntent(intent);
+
+        for(SmsMessage sms: messages){
+            String message = sms.getMessageBody();
+
+            Pattern otpPattern = Pattern.compile("(|^)\\d{6}");
+            Matcher matcher = otpPattern.matcher(message);
+            if (matcher.find()){
+                Double otp = Double.parseDouble(matcher.group(0));
+
+                otp6.setText(String.valueOf(otp % 10));
+                otp = otp / 10;
+                otp5.setText(String.valueOf(otp % 10));
+                otp = otp / 10;
+                otp4.setText(String.valueOf(otp % 10));
+                otp = otp / 10;
+                otp3.setText(String.valueOf(otp % 10));
+                otp = otp / 10;
+                otp2.setText(String.valueOf(otp % 10));
+                otp = otp / 10;
+                otp1.setText(String.valueOf(otp % 10));
+
+            }
+        }
+    }
+
+}

Foodify/app/src/main/java/com/waterbase/foodify/VerifyPhone.java

@@ -1,7 +1,9 @@
 package com.waterbase.foodify;
 
+import android.Manifest;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.CountDownTimer;
 import android.text.Editable;
@@ -15,6 +17,8 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 
 import com.google.android.gms.tasks.OnCompleteListener;
 import com.google.android.gms.tasks.Task;
@@ -86,6 +90,11 @@ public class VerifyPhone extends AppCompatActivity {
         };
         count.start();
 
+        requestSMSPermission();
+        new OTP_Receiver().setEditText(inputCode1, inputCode2, inputCode3, inputCode4, inputCode5, inputCode6);
+
+
+
         resendCode.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -297,4 +306,17 @@ public class VerifyPhone extends AppCompatActivity {
             }
         });
     }
+
+    private void requestSMSPermission()
+    {
+        String permission = Manifest.permission.RECEIVE_SMS;
+
+        int grant = ContextCompat.checkSelfPermission(this, permission);
+        if(grant != PackageManager.PERMISSION_GRANTED){
+            String[] permission_list = new String[1];
+            permission_list[0] = permission;
+
+            ActivityCompat.requestPermissions(this, permission_list, 1);
+        }
+    }
 }