ExpNo.

: 6 Title: Design an android application Send SMS using Intent Date:

Aim: Design an android application Send SMS using Intent

MainActivity.java:
package com.example.sai;

import android.Manifest;

import android.content.pm.PackageManager;

import android.os.Bundle;

import android.telephony.SmsManager;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

import androidx.annotation.NonNull;

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_SEND_SMS = 1;

private EditText phoneNumberEditText, messageEditText;

private Button sendButton;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

phoneNumberEditText = findViewById(R.id.editTextPhoneNumber);

messageEditText = findViewById(R.id.editTextMessage);

sendButton = findViewById(R.id.buttonSend);

sendButton.setOnClickListener(new View.OnClickListener() {

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 @Override

public void onClick(View v) {

if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.SEND_SMS)

!= PackageManager.PERMISSION_GRANTED) {

ActivityCompat.requestPermissions(MainActivity.this,

new String[]{Manifest.permission.SEND_SMS},

PERMISSION_REQUEST_SEND_SMS);

} else {

sendSMS();

});

private void sendSMS() {

String phoneNumber = phoneNumberEditText.getText().toString();

String message = messageEditText.getText().toString();

try {

SmsManager smsManager = SmsManager.getDefault();

smsManager.sendTextMessage(phoneNumber, null, message, null, null);

Toast.makeText(this, "SMS sent successfully", Toast.LENGTH_SHORT).show();

} catch (Exception e) {

Toast.makeText(this, "Failed to send SMS", Toast.LENGTH_SHORT).show();

e.printStackTrace();

@Override

public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[]

super.onRequestPermissionsResult(requestCode, permissions, grantResults);

if (requestCode == PERMISSION_REQUEST_SEND_SMS) {

if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {

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 sendSMS();

} else {

Toast.makeText(this, "Permission denied to send SMS", Toast.LENGTH_SHORT).show();

Activity_main.xml :
<?xml version="1.0" encoding="utf-8"?>

<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"

android:padding="16dp"

tools:context=".MainActivity">

<EditText

android:id="@+id/editTextPhoneNumber"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:hint="Phone Number"

android:inputType="phone" />

<EditText

android:id="@+id/editTextMessage"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_below="@id/editTextPhoneNumber"

android:layout_marginTop="16dp"

android:hint="Message"

android:inputType="textMultiLine"

android:minLines="3" />

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 <Button

android:id="@+id/buttonSend"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@id/editTextMessage"

android:layout_marginTop="16dp"

android:text="Send" />

</RelativeLayout>

AndroidManifest:

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

package="com.example.sai">

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

<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.Sai"

tools:targetApi="31">

<activity

android:name=".MainActivity"

android:exported="true"

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 android:label="@string/app_name"

android:theme="@style/Theme.Sai">

<intent-filter>

<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />

</intent-filter>

</activity>

</application>

</manifest>

Output :

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 Output :

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