Android WebView Tutorial part 1- Android Studio.

 Android WebView is a system component powered by Chrome that allows Androidapps to display web content. This component is pre-installed on your device and should be kept up to date to ensure you have the latest security updates and other bug fixes.

If you want to deliver a web application (or just a web page) as a part of a client application, you can do it using WebView . The WebView class is an extension of Android's View class that allows you to display web pages as a part of your activity layout.

The following is a simple example to display google chrome in your application,open android studio create new Android project. In Activity.xml select root layout as LinearLayout, Insert WebView, Width as macth_parent hight as macth_parent, give id to webview code is show below.

Activity.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"
    tools:context="com.example.user.application3.MainActivity">


  <WebView
      android:id="@+id/webview"
      android:layout_width="match_parent"
      android:layout_height="match_parent">


  </WebView>
</LinearLayout>





WebView, In MainActivity.java, declare the variable WebView, setWebViewClient A View that displays web pages. This class is the basis upon which you can roll your own web browser or simply display some online content within your Activity. It uses the WebKit rendering engine to display web pages and includes methods to navigate forward and backward through a history, zoom in and out, perform text searches and more.




MainActivity.java


import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebViewClient;


public class MainActivity extends AppCompatActivity {
    WebView wb;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        wb = (WebView) findViewById(R.id.webview);
        wb.setWebViewClient(new WebViewClient());
        wb.loadUrl("https://www.google.com");
        wb.getSettings().setJavaScriptEnabled(true);
    }
}









 Note that, in order for your Activity to access the Internet and load web pages in a WebView, you must add the INTERNET permissions to your Android Manifest file:

 <uses-permission android:name="android.permission.INTERNET" />




AndroidManifest.xml





<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.user.application3">
<uses-permission android:name="android.permission.INTERNET"/>
    <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>







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