Development of a simple Web browser for android

Development of a simple Web browser for android
Feature Overview:
1. Use the WebView control to develop a simple browser
2. implemented a simple Web browser function.
3. Be able to browse all content on the webpage. However, video playback is not supported.
4. Fast browser loading.
:

Programming highlights:
1. Use the WebView Control for web page display
2. Set WebView attributes to support more functions.
3. When a user clicks a link on a webpage, the user still uses the webpage to load
4. Set permissions to enable the app to access the Internet.
5. Activity layout.
[Java] code

[Java]
Package com. example. njupt. zhb. zhbwebbrowser;
 
 
Import android. OS. Bundle;
Import android. annotation. SuppressLint;
Import android. app. Activity;
Import android. content. Intent;
Import android. view. View;
Import android. view. View. OnClickListener;
Import android. webkit. WebView;
Import android. webkit. WebViewClient;
Import android. widget. Button;
Import android. widget. EditText;
Import android. widget. TextView;
/*
* @ Author: ZhengHaibo
* Web: blog.csdn.net/nuptboyzhb
* Mail: zhb931706659@126.com
* 2012-8-31 Nanjing njupt
*/
Public class WebBrowser extends Activity implements OnClickListener {
EditText url;
TextView mTitle;
WebView mWebView;
Button goButton;
Button backButton;
Button aboutButton;
@ Override
Public void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
SetContentView (R. layout. activity_web_browser );
SetTitle ("WebBrowser Made by Zhenghaibo ");
SetControl ();
SetWebStyle ();
}
Private void setControl (){
Url = (EditText) findViewById (R. id. urltext );
MWebView = (WebView) findViewById (R. id. webshow );
GoButton = (Button) findViewById (R. id. GoBtn );
BackButton = (Button) findViewById (R. id. BackBtn );
AboutButton = (Button) findViewById (R. id. AboutBtn );
MTitle = (TextView) findViewById (R. id. WebTitle );
GoButton. setOnClickListener (this );
BackButton. setOnClickListener (this );
AboutButton. setOnClickListener (this );
}
@ SuppressLint ("SetJavaScriptEnabled ")
Private void setWebStyle (){
MWebView. getSettings (). setJavaScriptEnabled (true );
MWebView. getSettings (). setsuppzoom zoom (true );
MWebView. setScrollBarStyle (WebView. SCROLLBARS_OUTSIDE_OVERLAY );
MWebView. requestFocus ();
MWebView. loadUrl ("http://blog.csdn.net/nuptboyzhb ");
MWebView. setWebViewClient (new MyWebViewClient ());
}
@ Override
Public void onClick (View v ){
// TODO Auto-generated method stub
Switch (v. getId ()){
Case R. id. GoBtn:
String url_text;
String url_head = "http ://";
Url_text = url. getText (). toString ();
If (! Url_text.contains ("http ://")){
Url_text = url_head.concat (url_text );

}
MWebView. loadUrl (url_text );
MTitle. setText ("you are browsing web:" + url_text );
Break;
Case R. id. BackBtn:
MWebView. goBack ();
Break;
Case R. id. AboutBtn:
Intent intent = new Intent (this, ActivityAbout. class );
StartActivity (intent );
Break;
}
}
Class MyWebViewClient extends WebViewClient {
@ Override
Public boolean shouldOverrideUrlLoading (WebView view, String url _){
View. loadUrl (url _);
Url. setText (url _);
MTitle. setText ("you are browsing web:" + url _);
Return true;
}
}
}