Webview not displaying html

Question

My webview in my application does not show up. I went to the interwebs to find an answer, but I found nothing, just tutorials on how to use the control. I am trying to load a html file, but it is not showing.

I added the user permission 'Internet' to my manifest.

Here is my layout:

<TableLayout 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" >

    <TableRow
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="5dip"
        android:visibility="visible" >

        <WebView
            android:id="@+id/wvInfo"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent" />
    </TableRow>
</TableLayout>

I have a file, 'filename.html' in my assets folder.

The following code is in the onCreate:

  WebView wvinfo = (WebView) findViewById(R.id.wvInfo);
  wvinfo.loadUrl("file:///android_asset/filename.html");

When I load the program on my phone, nothing shows up. I also tried to load an url, "http://www.google.com" and still nothing shows. I am stumped. Any ideas?

On local files, i would use loadData(html, "text/html", null);. You could also show us the manifest, or the parts you edited. — Gjordis
– Gjordis, Commented May 16, 2013 at 5:47

Pinki · Accepted Answer · 2013-05-16 06:05:16Z

1

Try the below code in your layout file

<TableLayout 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"
    >



        <WebView
            android:id="@+id/wvInfo"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent" />

</TableLayout>

answered May 16, 2013 at 6:05

Pinki

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CRUSADER · Accepted Answer · 2013-05-16 05:54:34Z

0

My guess is that you haven't setContent the layout inside onCreate().

Try like this ...

setContentView(R.layout.webview_layout);

answered May 16, 2013 at 5:54

CRUSADER

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Comments

Oam · Accepted Answer · 2013-05-16 05:55:44Z

0

Why are you using a Table Layout for a Web view? Instead use a Linear or Relative Layout.

Try adding this

WebView wvinfo = (WebView) findViewById(R.id.wvInfo);
        wvinfo .getSettings().setJavaScriptEnabled(true);        
       wvinfo.loadUrl("file:///android_asset/filename.html");

Let me know if it works.

answered May 16, 2013 at 5:55

Oam

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4 Comments

CRUSADER Over a year ago

Is it really necessary to have RelativeLayout or LinearLayout as a parent layout to Webview??? I don't think so.....

Pinki Over a year ago

@user2252502: it is not necessary .try the below code <TableLayout xmlns:android="schemas.android.com/apk/res/android" xmlns:tools="schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" > <WebView android:id="@+id/wvInfo" android:layout_width="fill_parent" android:layout_height="fill_parent" /> </TableLayout>

Oam Over a year ago

It is not necessary. Using table row too doesn't seem too good. So in order to remove table row I told so as done by Praveena.

AndroidEngineX Over a year ago

@Oam Why you have enabled the JS here? When it might not be necessary

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