Android獲取手機型號,系統版本,App版本號等信息

MainActivity如下:

import android.app.Activity;

import android.graphics.Bitmap;

import android.os.Bundle;

import android.webkit.WebSettings;

import android.webkit.WebView;

import android.webkit.WebViewClient;

import cn.testwebview.TestWebView.ScrollInterface;

/**


Demo描述: 
監聽WebView滑動到底部 

參考資料: 
1 http://blog.csdn.net/conant1989/article/details/8124582 
Thank you very much 
*/

public class MainActivity extends Activity {

private TestWebView mTestWebView;

@Override

protected void onCreate(Bundle savedInstanceState) {

   super.onCreate(savedInstanceState);

   setContentView(R.layout.main);

   initWebView();

}  


//設置WebView  
private void initWebView() {  
    mTestWebView = (TestWebView) findViewById(R.id.webView);  
    mTestWebView.setVerticalScrollBarEnabled(true);  
    mTestWebView.setHorizontalScrollBarEnabled(false);  
    mTestWebView.getSettings().setSupportZoom(true);  
    mTestWebView.getSettings().setBuiltInZoomControls(true);  
    mTestWebView.getSettings().setJavaScriptEnabled(true);  

    mTestWebView.getSettings().setDomStorageEnabled(true);  
    mTestWebView.getSettings().setPluginsEnabled(true);  
    mTestWebView.requestFocus();  

    mTestWebView.getSettings().setUseWideViewPort(true);  
    mTestWebView.getSettings().setLoadWithOverviewMode(true);  
    mTestWebView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);  

    mTestWebView.loadUrl("http://www.ifeng.com");  
    mTestWebView.setWebViewClient(new TestWebViewClient());  
    webViewScroolChangeListener();  

}  

//核心代碼  
private void webViewScroolChangeListener() {  
    mTestWebView.setOnCustomScroolChangeListener(new ScrollInterface() {  
        @Override  
        public void onSChanged(int l, int t, int oldl, int oldt) {  
            //WebView的總高度  
            float webViewContentHeight=mTestWebView.getContentHeight() * mTestWebView.getScale();  
            //WebView的現高度  
            float webViewCurrentHeight=(mTestWebView.getHeight() + mTestWebView.getScrollY());  
            System.out.println("webViewContentHeight="+webViewContentHeight);  
            System.out.println("webViewCurrentHeight="+webViewCurrentHeight);  
            if ((webViewContentHeight-webViewCurrentHeight) == 0) {  
                System.out.println("WebView滑動到了底端");  
            }  
        }  
    });  
}  


private class TestWebViewClient extends WebViewClient{  
    @Override  
    public void onPageStarted(WebView view, String url, Bitmap favicon) {  
        super.onPageStarted(view, url, favicon);  
    }  
    @Override  
    public boolean shouldOverrideUrlLoading(WebView view, String url) {  
        view.loadUrl(url);  
        return true;  
    }  
    @Override  
    public void onPageFinished(WebView view, String url) {  
        super.onPageFinished(view, url);  

    }  
    @Override  
    public void onReceivedError(WebView view, int errorCode,String description, String failingUrl) {  
        super.onReceivedError(view, errorCode, description, failingUrl);  
    }  
}  


}  </pre>main.xml如下:
    <RelativeLayout

        xmlns:android="
        xmlns:tools="
        android:layout_width="match_parent"

        android:layout_height="match_parent"

        >


    <TextView  
        android:id="@+id/textView"  
        android:layout_width="wrap_content"  
        android:layout_height="wrap_content"  
        android:text="@string/hello_world"   
        android:layout_centerInParent="true"  
        />  

</RelativeLayout>  </pre>