Send Email Using Intent - Android Studio - Kotlin

Write PDF using EditText:
    1) We will use iText PDF Library to create pdf
    2) We will input text Using EditText
    3) Button to save text as PDF file
    4) It will require WRITE_EXTERNAL_STORAGE permission to save pdf file ,
    5) We'll handle runtime permission too
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Step 1: Create a new Project or open new project

Step 2: Code

activity_main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  xmlns:app="http://schemas.android.com/apk/res-auto"  xmlns:tools="http://schemas.android.com/tools"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical"  android:padding="10dp"  tools:context=".MainActivity"><!--EditText: Input the recipient--><EditTextandroid:id="@+id/recipientEt"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="@drawable/bg_edittext"android:hint="Recipient email(s)"android:inputType="textEmailAddress"android:padding="10dp"android:textColor="@color/colorBlack" /><!--EditText: Input the subject of email--><EditTextandroid:id="@+id/subjectEt"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="@drawable/bg_edittext"android:hint="Subject"android:layout_marginTop="2dp"android:layout_marginBottom="2dp"android:inputType="text|textCapSentences"android:padding="10dp"android:textColor="@color/colorBlack" /><!--EditText: Input the message--><EditTextandroid:id="@+id/messageEt"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="@drawable/bg_edittext"android:gravity="start"android:hint="Enter message here..."android:inputType="text|textCapSentences"android:minHeight="150dp"android:padding="10dp"android:textColor="@color/colorBlack" /><!--Button: Launch existing email clients to send email--><Buttonandroid:id="@+id/sendEmailBtn"style="@style/Base.Widget.AppCompat.Button.Colored"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="end"android:text="send Email" /></LinearLayout>

MainActivity.kt

package com.blogspot.atifsoftwares.emailintent_kotlinimport android.content.Intentimport android.net.Uriimport android.support.v7.app.AppCompatActivityimport android.os.Bundleimport android.widget.Toastimport kotlinx.android.synthetic.main.activity_main.*class MainActivity : AppCompatActivity() {override fun onCreate(savedInstanceState: Bundle?) {super.onCreate(savedInstanceState)setContentView(R.layout.activity_main)//button click to get input and call sendEmail methodsendEmailBtn.setOnClickListener {//get input from EditTexts and save in variablesval recipient = recipientEt.text.toString().trim()val subject = subjectEt.text.toString().trim()val message = messageEt.text.toString().trim()//method call for email intent with these inputs as parameterssendEmail(recipient , subject , message)}}private fun sendEmail(recipient: String , subject: String , message: String) {/*ACTION_SEND action to launch an email client installed on your Android device.*/val mIntent = Intent(Intent.ACTION_SEND)/*To send an email you need to specify mailto: as URI using setData() methodand data type will be to text/plain using setType() method*/mIntent.data = Uri.parse("mailto:")mIntent.type = "text/plain"// put recipient email in intent/* recipient is put as array because you may wanna send email to multiple emails so enter comma( ,) separated emails , it will be stored in array*/mIntent.putExtra(Intent.EXTRA_EMAIL , arrayOf(recipient))//put the Subject in the intentmIntent.putExtra(Intent.EXTRA_SUBJECT , subject)//put the message in the intentmIntent.putExtra(Intent.EXTRA_TEXT , message)try {//start email intentstartActivity(Intent.createChooser(mIntent , "Choose Email Client..."))}catch (e: Exception){//if any thing goes wrong for example no email client application or any exception//get and show exception messageToast.makeText(this , e.message , Toast.LENGTH_LONG).show()}}}

Step 3: Run Project

Output