sms receiver android example

different files

MainActivity.java:

package com.alex.sms;

import android.Manifest;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

public class MainActivity extends AppCompatActivity {

    private static final int PERMISSION_REQUEST_CODE = 1;
    private SmsReceiver callReceiver;

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

        checkAndRequestPermissions();
        
        callReceiver = new SmsReceiver();
        IntentFilter filter = new IntentFilter("android.provider.Telephony.SMS_RECEIVED");
        registerReceiver(callReceiver, filter, RECEIVER_EXPORTED);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (callReceiver != null) {
            unregisterReceiver(callReceiver);
        }
    }

    private void checkAndRequestPermissions() {
        String[] permissions = {
                Manifest.permission.RECEIVE_SMS,
                Manifest.permission.READ_SMS
        };

        boolean allPermissionsGranted = true;
        for (String permission : permissions) {
            if (ContextCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED) {
                allPermissionsGranted = false;
                break;
            }
        }

        if (!allPermissionsGranted) {
            ActivityCompat.requestPermissions(this, permissions, PERMISSION_REQUEST_CODE);
        } else {
            Toast.makeText(this, "Permissions already granted!", Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == PERMISSION_REQUEST_CODE) {
            boolean allGranted = true;
            for (int result : grantResults) {
                if (result != PackageManager.PERMISSION_GRANTED) {
                    allGranted = false;
                    break;
                }
            }
            if (allGranted) {
                Toast.makeText(this, "Permissions granted!", Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(this, "Some permissions were denied!", Toast.LENGTH_SHORT).show();
            }
        }
    }
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

SmsReceiver.java:

package com.alex.sms;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.SmsMessage;
import android.widget.Toast;

public class SmsReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        if (intent != null && "android.provider.Telephony.SMS_RECEIVED".equals(intent.getAction())) {
            var bundle = intent.getExtras();
            if (bundle != null) {
                try {
                    var pdus = (Object[]) bundle.get("pdus");
                    String format = bundle.getString("format"); // Получаем формат PDU

                    if (pdus != null) {
                        for (Object pdu : pdus) {
                            SmsMessage currentMessage = SmsMessage.createFromPdu((byte[]) pdu, format); // Используем format
                            String senderNumber = currentMessage.getDisplayOriginatingAddress();
                            String message = currentMessage.getDisplayMessageBody();

                            Toast.makeText(context, "Sender: " + senderNumber + "; Message: " + message, Toast.LENGTH_LONG).show();
                        }
                    }
                } catch (Exception e) {
                    Toast.makeText(context, "Error: " + e.getMessage(), Toast.LENGTH_SHORT).show();
                }
            }
        }
    }
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

activity_main.xml:

<?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:background="#E6FFCC"
    android:gravity="center"
    android:orientation="vertical"
    android:padding="16dp">

    <Button
        android:id="@+id/callButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:backgroundTint="#FF4081"
        android:elevation="6dp"
        android:foreground="?android:attr/selectableItemBackground"
        android:paddingStart="24dp"
        android:paddingTop="12dp"
        android:paddingEnd="24dp"
        android:paddingBottom="12dp"
        android:text="Ожидайте прихода СМС"
        android:textColor="#FFFFFF"
        android:textSize="18sp"
        android:textStyle="bold"
        tools:ignore="HardcodedText" />
</LinearLayout>

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <uses-permission android:name="android.permission.RECEIVE_SMS" />
    <uses-permission android:name="android.permission.READ_SMS" />
    <uses-permission android:name="android.permission.SEND_SMS" />

    <uses-feature
        android:name="android.hardware.telephony"
        android:required="false" />

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.Files"
        tools:targetApi="35">
        <receiver
            android:name=".SmsReceiver"
            android:enabled="true"
            android:exported="true"
            android:permission="android.permission.BROADCAST_SMS">
            <intent-filter>
                <action android:name="android.provider.Telephony.SMS_RECEIVED" />
            </intent-filter>
        </receiver>

        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>