How to change the font face of Webview in Android using Kotlin?

AndroidKotlin Mobile DevelopmentApps/Applications

This example demonstrates how to change the font face of Webview in Android 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.

Example

<?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:id="@+id/relativeLayout"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:padding="8dp"
   tools:context=".MainActivity">
<WebView
   android:id="@+id/webView"
   android:layout_width="match_parent"
   android:layout_height="match_parent" />
</RelativeLayout>

Step 3 − Create an assets folder. Right click asset folder >> Create a new file (webView.html) and the following code −

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>WebView9</title>
<meta forua="true" http-equiv="Cache-Control" content="max-age=0"/>
<style type="text/css">
@font-face {
   font-family: 'Font';
   src:url("file:///android_asset/Font.otf")
}
body {
   font-family: 'Font', serif;
   font-size: medium;
   text-align: justify;
   color:#ffffff
}
</style>
</head>
   <body style="background-color:#212121">
      All our dreams can come true, if we have the courage to pursue them.” – Walt Disney.
   </body>
</html>

Step 4 − Add the following code to src/MainActivity.kt

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.webkit.WebView
class MainActivity : AppCompatActivity() {
   override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      setContentView(R.layout.activity_main)
      title = "KotlinApp"
      val webView: WebView = findViewById(R.id.webView);
      webView.loadUrl("file:///android_asset/webView.html");
   }
}

Step 5 − 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 icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen

raja
Published on 21-Jul-2020 07:48:59
Advertisements