How to send HTML email using Android App using Kotlin?


This example demonstrates how to send HTML email using Android App using Kotlin.

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.

Step 2 − Add the following code to res/layout/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"
   tools:context=".MainActivity">
   <TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_centerHorizontal="true"
      android:layout_marginTop="70dp"
      android:background="#008080"
      android:padding="5dp"
      android:text="TutorialsPoint"
      android:textColor="#fff"
      android:textSize="24sp"
      android:textStyle="bold" />
   <Button
      android:layout_centerInParent="true"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:onClick="sendHtmlEmail"
      android:text="Send HTML Email" />
</RelativeLayout>

Step 3 − Add the following code to src/MainActivity.kt

import android.content.Intent
import android.net.Uri
import android.os.Bundle
import android.text.Html
import android.view.View
import androidx.appcompat.app.AppCompatActivity
class MainActivity : AppCompatActivity() {
   override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      setContentView(R.layout.activity_main)
      title = "KotlinApp"
   }
   fun sendHtmlEmail(view: View?) {
      val mailId = "yourmail@gmail.com"
      val emailIntent = Intent(Intent.ACTION_SENDTO, Uri.fromParts("mailto", mailId, null))
      emailIntent.putExtra(Intent.EXTRA_SUBJECT, "Subject text here")
      emailIntent.putExtra(Intent.EXTRA_TEXT, Html.fromHtml("<p><b>Some Content</b></p>" +
      "http://www.google.com" + "<small><p>More content</p></small>"))
      startActivity(Intent.createChooser(emailIntent, "Send email..."))
   }
}

Step 4 − Add the following code to androidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.example.q11">
   <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:roundIcon="@mipmap/ic_launcher_round"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">
      <activity android:name=".MainActivity">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
      </activity>
   </application>
</manifest>

Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click the Run Play Icon icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen.

Updated on: 18-Aug-2020

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