There is a error in mView, I need solution
package com.example.account;
import android.app.Activity;
import android.os.Bundle;
public class WebView extends Activity {
private WebView webView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
webView = (WebView) findViewById(R.id.webView1);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("http://www.google.com");
}
}
My xml
<?xml version="1.0" encoding="utf-8"?>
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/webView1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/>
Cannot cast from view to webview
WebView mView = (WebView) findViewById(R.id.webView1)
Try this layout
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<WebView
android:id="#+id/webView1"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
give me feedback on this.
Update:
You should change your Activity name with Different one. or defined your WebView with different name like:
WebView mView2 = (WebView) findViewById(R.id.webView1)
You are using your activity name as WebView. This name is already used by SDK API. This is the reason it is giving you error.
To solve it, just rename your WebView.java file to some another name like MyWebView.java then your problem will surely solve.
To safely rename your .java file, Just go to packageexplorer , select WebView.java and press F2, and give new name.
Try this, it may help
1 . Using Eclipse, create a new Android project and name it as WebView.
2 . Add the following statements to the main.xml file:
<?xml version=”1.0” encoding=”utf-8”?>
<LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:orientation=”vertical”
android:layout_width=”fill_parent”
android:layout_height=”fill_parent” >
<WebView
android:id=”#+id/webview1”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content” />
</LinearLayout>
3 . In the MainActivity.java file, add the following statements in bold:
package com.emergingandroidtech.WebView;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;
public class MainActivity extends Activity
{
/**Called when the activity is first created.*/
#Override
public void onCreate(BundlesavedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
WebView wv = (WebView) findViewById(R.id.webview1);
WebSettings webSettings = wv.getSettings();
webSettings.setBuiltInZoomControls(true);
wv.loadUrl( “www.google.com”);
}
}
4. Don't forget to give the internet permission in manifest file
Thank you
You should keep webview inside any parent view
Do not use reserved words as your variable, class and method name.
Here, WebView is reserved or already used by SDK. If you use that word again, Compiler will get confused.
activity_main.xml
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/webview"
android:layout_width="match_parent"
android:layout_height="match_parent" />
MainActivity.java
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.webkit.WebView;
public class MainActivity extends AppCompatActivity
{
private WebView webview;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
webview=(WebView)findViewById(R.id.webview);
//loads androidride homepage to webview
webview.loadUrl("https://www.androidride.com");
}
}
Related
I have an app and i want to open the URL with Reading Mode
Without ads or something the reader don't need to see
How can i do that haw can i enable the reading mode on in kotlin ?
Try it with WebView,
In .xml file add this code:
<?xml version="1.0" encoding="utf-8"?>
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/webView"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
And inside activity(or fragment)
import android.os.Bundle;
import android.webkit.WebView;
public class WebViewActivity extends Activity {
private WebView webView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webview);
webView = (WebView) findViewById(R.id.webView);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("http://www.google.com");
}
}
This is my main.xml file.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Hello World, MainActivity"
/>
<WebView
android:id="#+id/webView"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_below="#id/urlContainer" />
</LinearLayout>
And this is my java file.
package szdf.asdf;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebView;
public class MainActivity extends Activity
{
private WebView webView;
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
webView = (WebView) findViewById(R.id.webView);
String customHtml = "<html><body><h1>Hello, WebView</h1>" +
"<h1>Heading 1</h1><p>This is a sample paragraph.</p>" +
"</body></html>";
webView.loadData(customHtml, "text/html", "UTF-8");
}
}
I am trying to add a webview to my app. But it compiles with the error
error: Error: No resource found that matches the given name (at 'layout_below' with value '#id/urlContainer').
Can someone tell me what is wrong with my code ?
android:layout_below="#id/urlContainer" />
You haven't resource with this ID, just delete it :)
You're referencing an object with an ID that doesn't exist on the android:layout_below attribute. Remove the line or add a item with the ID #id/urlContainer.
There is no resource container with this id urlContainer. SO remove this line:
android:layout_below="#id/urlContainer" />
I am creating an RSS Reader for www.platform-online.net , and I am completely stuck as to why the web page will not show when an RSS link is pressed.
I'm sure it's involving webview somehow, so I give you the two classes that involves it:
> package com.daryl.rssreader;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.webkit.*;
import com.daryl.platform.R;
public class PostViewActivity extends Activity {
private WebView webView;
#Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
this.setContentView(R.layout.postview);
Bundle bundle = this.getIntent().getExtras();
String postContent = bundle.getString("content");
webView = (WebView)this.findViewById(R.id.webview);
WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
webView.setWebViewClient(new WebViewClient());
webView.loadData(postContent, "text/html; charset=utf-8","utf-8");
}
#Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
}
}
The XML file called 'postview.xml'
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout android:id="#+id/LinearLayout"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>
<WebView
android:id="#+id/webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
Forgive me if i'm not giving enough information to see the problem, but I can give more detail if needed.
I would show you links to how the app shows now, but i don't have enough 'reputation'.
Completely at a loss, the code is mostly from here:
http://jmsliu.com/1390/rss-reader-app-android-tutorial-1-listview-and-arrayadapter.html
But the person in question doesn't give much help towards a solution.
If anyone is able to help me out after a good 12 hours of analysing everything I've done thus far, it would be greatly appreciated as I'm completely at a brick wall.
Thank you.
Change your xml file to this
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<WebView
android:id="#+id/webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
In your xml file there is no space for webview because your LinearLayout set as math_parent
my code is Here
java file
package org.example.webviewdemo;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebView;
public class WebViewDemo extends Activity {
private WebView webView;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
webView = (WebView) findViewById(R.id.webview_compontent);
webView.loadUrl("file://android_asset//faq.htm");
}
}
xml file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<WebView
android:id="#+id/webview_compontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1.0"
/>
but i cant get page content
faq.htm is in folder assets
please helpme
webView = (WebView) findViewById(R.id.webView);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("file:///android_asset/folderName/index.html");
Have you tried using Uri.fromFile( File ), and get the file from getAssets().open(fileName)??
I am trying to create a simple webview and I am getting FC on each start.
Here is my MainActivity.java file:
package com.jerdog.apps;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebView;
public class MainActivity extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
WebView myWebView = (WebView) findViewById(R.layout.main);
myWebView.loadUrl("http://www.google.com");
}
}
and here is my res/layout/main.xml file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="#string/hello"
/>
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/>
</LinearLayout>
I am including my logcat from the moment I press Run in Eclipse at pastebin
http://pastebin.com/5trRw9Bd
This line:
WebView myWebView = (WebView) findViewById(R.layout.main);
is incorrect, and myWebView is null. Thus the following line throws the NullPointerException
Change the line to:
WebView myWebView = (WebView) findViewById(R.id.webview);
findViewById takes the id of the View you wish to find as an input, however you were passing in your layout. Changing this to the id of the WebView element from your main.xml file should fix the issue. There is a tutorial if you need a reference implementation.