SmsSenderActivity.java

package com.godoro.androiddevices;

import android.content.Intent;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.view.View;
import android.widget.EditText;

public class SmsSenderActivity extends AppCompatActivity {

    private EditText phoneNumberEdit;
    private EditText smsBodyEdit;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sms_sender);
        phoneNumberEdit=findViewById(R.id.phoneNumberEdit);
        phoneNumberEdit.setText("05335612435");
        smsBodyEdit=findViewById(R.id.smsBodyEdit);
        smsBodyEdit.setText("Godoro'dan SMS ");

    }
    public void onClickSendByApplication(View view){
        String phoneNumber=phoneNumberEdit.getText().toString();
        String smsBody=smsBodyEdit.getText().toString();
        Uri uri= Uri.parse("smsto:" +phoneNumber);
        Intent intent = new Intent(Intent.ACTION_SENDTO,uri);
        intent.putExtra("sms_body", smsBody);
        startActivity(intent);
    }
    public void onClickSendByLibrary(View view){
        String phoneNumber=phoneNumberEdit.getText().toString();
        String smsBody=smsBodyEdit.getText().toString();
        SmsManager smsManager = SmsManager.getDefault();
        smsManager.sendTextMessage(
                phoneNumber, null,smsBody, null, null);
    }
}