I have app using android webview. I tried to call javascript from Java. I have the line below which I expect to display hello world but webview goes blank.
webView = (WebView) findViewById(R.id.webView); webView.getSettings().setJavaScriptEnabled(true); webView.loadUrl("javascript:document.write('hello world')"); Is my code correct or I missed something?
Displaying using document.write is for testing purposes only for calling JS function.
First change the string to "hello world" from "hello" :-)
I tried this and it is working
Activity
public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); WebView webView = (WebView) findViewById(R.id.webView1); webView.getSettings().setJavaScriptEnabled(true); webView.loadUrl("javascript:document.write('hello world')"); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } } XML
<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" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <WebView android:id="@+id/webView1" android:layout_width="match_parent" android:layout_height="match_parent" /> </RelativeLayout> 
Try this way wview.loadUrl("file:///android_asset/index.html"); **index.html** copy index.html in assests folder <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> <h1>Hello World</h1> </body> </html> 
