EmailActivity.java

package com.example.asmid.pricetag;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

/**
 * Created by asmid on 11/24/2016.
 */

public class EmailActivity extends Activity {


    Button buttonSend;
    EditText textTo;
    EditText textSubject;
    EditText textMessage;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_email);

        buttonSend = (Button) findViewById(R.id.buttonSend);
        textTo = (EditText) findViewById(R.id.editTextTo);
        textSubject = (EditText) findViewById(R.id.editTextSubject);
        textMessage = (EditText) findViewById(R.id.editTextMessage);

        buttonSend.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                String to = textTo.getText().toString();
                String subject = textSubject.getText().toString();
                String message = textMessage.getText().toString();

                Intent emailIntent = new Intent(Intent.ACTION_SEND);
                emailIntent.putExtra(Intent.EXTRA_EMAIL, new String[]{"asmidat11@gmail.com"});
                emailIntent.putExtra(Intent.EXTRA_SUBJECT, "Selling to you");
                emailIntent.putExtra(Intent.EXTRA_TEXT, "Contact me");
                emailIntent.setType("message/rfc822");
                try {
                    startActivity(Intent.createChooser(emailIntent, "choose an email client"));
                    finish();
                }catch (android.content.ActivityNotFoundException ex) {
                    Toast.makeText(EmailActivity.this, "There is no email client installed.", Toast.LENGTH_SHORT).show();
                }

            }
        });
    }
}