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Thursday, 23 May 2019

How To Create Android WebView | Android webView Example | Android Tutorial


How To Create Android WebView

Android RatingBar can be utilized to get the rating from the client. The Rating restores a coasting point number. It might be 2.0, 3.5, 4.0 and so forth.

Android RatingBar shows the rating in stars. Android RatingBar is the subclass of AbsSeekBar class.



The getRating(Android WebView is utilized to show site page in android. The page can be stacked from same application or URL. It is utilized to show online substance in android action.

Android WebView utilizes webkit motor to show website page.

The android.webkit.WebView is the subclass of AbsoluteLayout class.

The loadUrl() and loadData() techniques for Android WebView class are utilized to load and show site page.) strategy for android RatingBar class restores the rating number.

Android webView Example



Let's see the simple code to display javatpoint.com web page using web view.

    WebView mywebview = (WebView) findViewById(R.id.webView1); 
    mywebview.loadUrl("http://www.Google.com/"); 


Let's see the simple code to display HTML web page using web view. In this case, html file must be located inside the asset directory.

WebView mywebview = (WebView) findViewById(R.id.webView1); 
mywebview.loadUrl("file:///android_asset/myresource.html");


Let's see another code to display HTML code of a string.

    String data = "<html><body><h1>Hello, Javatpoint!</h1></body></html>"; 
    mywebview.loadData(data, "text/html", "UTF-8"); 

Complate Android WebView Example

Let's see a complete example of Android WebView.

Activity_main.xml

File :- activity_main.xml


<?xml version="1.0" encoding="utf-8"?> 
<android.support.constraint.ConstraintLayout 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="example.javatpoint.com.webview.MainActivity"> 
 
    <WebView 
        android:layout_width="match_parent" 
        android:layout_height="match_parent" 
        android:id="@+id/webView" 
        app:layout_constraintBottom_toBottomOf="parent" 
        app:layout_constraintLeft_toLeftOf="parent" 
        app:layout_constraintRight_toRightOf="parent" 
        app:layout_constraintTop_toTopOf="parent" /> 
 
</android.support.constraint.ConstraintLayout>



To add the web page (.html, .jsp) locally in application, they are required to place in the assets folder. An assets folder is created as: right click on app -> New -> Folder -> Assets Folder ->main or simply create an assets directory inside main directory.

Activity Class

File :- MainActivity.java


package example.javatpoint.com.webview; 
 
import android.support.v7.app.AppCompatActivity; 
import android.os.Bundle; 
import android.webkit.WebView; 
 
public class MainActivity extends AppCompatActivity { 
 
    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.activity_main); 
        WebView mywebview = (WebView) findViewById(R.id.webView); 
        // mywebview.loadUrl("https://www.javatpoint.com/"); 
 
        /*String data = "<html><body><h1>Hello, Javatpoint!</h1></body></html>";
        mywebview.loadData(data, "text/html", "UTF-8"); */ 
 
        mywebview.loadUrl("file:///android_asset/myresource.html"); 
    } 
}


OutPut :-

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