在编辑文本中显示谷歌搜索结果 - WebView

Question

我有一个 WebView 以及作为搜索栏的编辑文本，但我不想在字段中输入整个 url，而是希望它也像“facebook”和“google”一样进行搜索，我在这里找到了一个答案，但我没有想知道怎么做，有人可以帮我吗？

How to show Android Google default search results in webview?

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;

public class MainActivity extends Activity {
private WebView mWebView;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    CookieManager.getInstance().setAcceptCookie(true);//Enable Cookies
    mWebView = (WebView) findViewById(R.id.webView1);
    mWebView.getSettings().setJavaScriptEnabled(true);//Enable Java Script
    mWebView.setWebViewClient(new HelloWebViewClient());
    mWebView.loadUrl("http://www.google.com/"); //Set Home page
    mWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);//Remove ScrollBars
    mWebView.getSettings().setDefaultFontSize(12);//Set Font Size
    mWebView.getSettings().setLoadsImagesAutomatically(true);//Enable Image Loading
    mWebView.getSettings().setPluginState(PluginState.ON);//Enable Flash
    mWebView.getSettings().setRenderPriority(RenderPriority.HIGH); //improves Feedback     on touch
    mWebView.setBackgroundColor(0x00000000);//Transparent Screen When Loading
    //mWebView.getSettings().setBuiltInZoomControls(true);//Set Zoom Controls 
    //mWebView.getSettings().setDisplayZoomControls(false);//Requires Api 11
    mWebView.getSettings().setAppCacheMaxSize(1024*1024*8);//Set Cache (8mb)
    String appCachePath =     getApplicationContext().getCacheDir().getAbsolutePath();//Set Cache (8mb)
    mWebView.getSettings().setAppCachePath(appCachePath);//Set Cache (8mb)
    mWebView.getSettings().setAllowFileAccess(true);//Set Cache (8mb)
    mWebView.getSettings().setAppCacheEnabled(true);//Set Cache (8mb)
    mWebView.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);//Set Cache (8mb)


}
private class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView webview, String url)
{


webview.loadUrl(url);
return true;
}
}

 @Override
 public boolean onKeyDown(int keyCode, KeyEvent event)
 {

 if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack())

{
mWebView.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
}

Answer 1

正如该答案中所述，您需要在按钮的onClick 方法中获取从EditText 获得的文本，并将其附加到URL https://www.google.com/search?q=query_string