Practical No.
29
Code:
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:orientation="vertical"
android:background="@drawable/img"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
tools:context="MainActivity">
<EditText
android:layout_width="300dp"
android:layout_height="48dp"
android:id="@+id/editText"
android:hint="Enter Phone Number"
android:phoneNumber="true"
android:layout_below="@+id/imageButton"
android:layout_centerHorizontal="true" />
<EditText
android:layout_width="300dp"
android:layout_height="48dp"
android:id="@+id/editText2"
android:layout_below="@+id/editText"
android:layout_alignLeft="@+id/editText"
android:layout_alignStart="@+id/editText"
android:layout_alignRight="@+id/imageButton"
android:layout_alignEnd="@+id/imageButton"
android:hint="Enter SMS" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Send Sms"
android:id="@+id/btnSendSMS"
android:layout_below="@+id/editText2"
android:layout_centerHorizontal="true"
android:layout_marginTop="48dp" />
</LinearLayout>
MainActivity.java
package com.rahman.myapplication;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.util.Log;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import android.Manifest;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import java.util.Objects;
public class MainActivity extends AppCompatActivity {
private static final int MY_PERMISSIONS_REQUEST_SEND_SMS =0 ;
Button sendBtn;
EditText txtphoneNo;
EditText txtMessage;
String phoneNo;
String message;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Objects.requireNonNull(getSupportActionBar()).setTitle("SMS Example");
sendBtn = (Button) findViewById(R.id.btnSendSMS);
txtphoneNo = (EditText) findViewById(R.id.editText);
txtMessage = (EditText) findViewById(R.id.editText2);
sendBtn.setOnClickListener(v-> {
sendSMS();
});
}
protected void sendSMS() {
Log.i("Send SMS", "");
// Get the phone number and message from the EditTexts
String phoneNumber = txtphoneNo.getText().toString();
String message = txtMessage.getText().toString();
// Create an Intent to send an SMS
Intent smsIntent = new Intent(Intent.ACTION_SENDTO, Uri.parse("smsto:" +
phoneNumber));
smsIntent.putExtra("sms_body", message);
try {
// Start the SMS activity
startActivity(smsIntent);
Log.i("Finished sending SMS...", "");
} catch (android.content.ActivityNotFoundException ex) {
// Handle the error if no SMS app is found
Log.d("Error", "this is error: " + ex.toString());
Toast.makeText(MainActivity.this, "SMS failed, please try again later.",
Toast.LENGTH_SHORT).show();
}
}
// for permission
void sendSMS2() {
phoneNo = txtphoneNo.getText().toString();
message = txtMessage.getText().toString();
if (ContextCompat.checkSelfPermission(this, Manifest.permission.SEND_SMS) !=
PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
Manifest.permission.SEND_SMS)) {
} else {
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.SEND_SMS},
MY_PERMISSIONS_REQUEST_SEND_SMS);
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode,String permissions[], int[]
grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case MY_PERMISSIONS_REQUEST_SEND_SMS: {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
SmsManager smsManager = SmsManager.getDefault();
smsManager.sendTextMessage(phoneNo, null, message, null, null);
Toast.makeText(getApplicationContext(), "SMS sent.",
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(getApplicationContext(),
"SMS faild, please try again.", Toast.LENGTH_LONG).show();
return;
}
}
}
}
}
Output:
