Home Web Front-end HTML Tutorial Android rewrites the event of selecting text and then clicking the search button when long pressing the webview. The default is that chrome accepts the click event. Now it jumps to the 360 ​​search page_html/css_WEB-ITnose

Android rewrites the event of selecting text and then clicking the search button when long pressing the webview. The default is that chrome accepts the click event. Now it jumps to the 360 ​​search page_html/css_WEB-ITnose

Jun 24, 2016 am 11:45 AM


Just use this FindWebView to replace the default webview. Rewrite the show method string data in the SelectedText class to get the selected text

import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.ActionMode;
 import android.view.ActionMode.Callback;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.webkit.JavascriptInterface;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
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/**  
* 在webview的界面里面填加 长按界面时出现搜索按钮 点击搜索按钮跳转到搜索页面  
*  
* @author 王训龙 360404113  
*        
  *         2014-8-8 上午11:39:16  */
   @TargetApi(Build.VERSION_CODES.HONEYCOMB) 
   public class FindWebView extends WebView {     
   public Callback callback;     
   private OnScrollChangedListener mOnScrollChangedListener;         
   @SuppressWarnings("deprecation")    
    public FindWebView(Context context, AttributeSet attrs, int defStyle,                        
    boolean privateBrowsing) {         
    super(context, attrs, defStyle, privateBrowsing);         
    init();     }       
    public FindWebView(Context context, AttributeSet attrs, int defStyle) {         
    super(context, attrs, defStyle);         
    init();     
    }       
    public FindWebView(Context context, AttributeSet attrs) {         
    super(context, attrs);         
    init();     
    }       
    public FindWebView(Context context) {         
    super(context);         
    init();     
    }       
    @TargetApi(Build.VERSION_CODES.KITKAT)     
    @SuppressLint("SetJavaScriptEnabled")     
    private void init() {         
    WebSettings setting = getSettings();         
    setting.setJavaScriptEnabled(true);         
    setting.setJavaScriptCanOpenWindowsAutomatically(true);         
    addJavascriptInterface(new SelectedText(), "search");           
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Constants.DEBUG) {   
    //支持webview调试         
    WebView.setWebContentsDebuggingEnabled(true);         
    }       
    }       
    @Override     
    public ActionMode startActionMode(Callback callback) {         
CustomizedSelectActionModeCallback customizedSelectActionModeCallback = new CustomizedSelectActionModeCallback(   
callback);        
 return super.startActionMode(customizedSelectActionModeCallback);     
 }       
 @Override     
 public boolean onTouchEvent(MotionEvent event) {         
 return super.onTouchEvent(event);     
 }       
 public class CustomizedSelectActionModeCallback implements ActionMode.Callback {         
 private Callback callback;           
 public CustomizedSelectActionModeCallback(Callback callback) {             
 this.callback = callback;         
 }           
 @Override         
 public boolean onCreateActionMode(ActionMode mode, Menu menu) {             
 return callback.onCreateActionMode(mode, menu);         
 }           
 @Override         
 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {             
 return callback.onPrepareActionMode(mode, menu);         
 }           
 @Override         
 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {             
 if (item == null || TextUtils.isEmpty(item.getTitle())) {                 
 return callback.onActionItemClicked(mode, item);             
 }             
 if (!item.getTitle().toString().contains("搜索")                     
 && !item.getTitle().toString().contains("search")) {                 
 return callback.onActionItemClicked(mode, item);             
 }             
 loadUrl("javascript:window.search.show(window.getSelection().toString());");             
 clearFocus();             
 return true;         
 }           
 @Override         
 public void onDestroyActionMode(ActionMode mode) {             
 callback.onDestroyActionMode(mode);         
 }     
 }       
 public class SelectedText {         
 @JavascriptInterface         
 public void show(String data) {             
 // TODO 这里获取选中的文字            
  Intent intent = new Intent(getContext(), SearchActivity.class);             
  intent.putExtra(SearchActivity.TAG_SEARCH, data);             
  getContext().startActivity(intent);         
  }     
  }       
  private int dY;       
  @Override     
  protected void onScrollChanged(int l, int t, int oldl, int oldt) {         
  super.onScrollChanged(l, t, oldl, oldt);           
  int dy = t - oldt;         
  dY += dy;         
  if (mOnScrollChangedListener != null && Math.abs(dY) > 10) {             
  dY = 0;             
  mOnScrollChangedListener.onScroll(l, t, oldl, oldt);         
  }     
  }       
  public interface OnScrollChangedListener {         
  public void onScroll(int l, int t, int oldl, int oldt);     
  }       
  public void setOnScrollChangedListener(OnScrollChangedListener mOnScrollChangedListener) {         
  this.mOnScrollChangedListener = mOnScrollChangedListener;     
  } 
  }
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The above is the event that Android rewrites webview to select text and then click the search button when long pressing. By default, chrome accepts the click event. Now it jumps to the content of 360 search page_html/css_WEB-ITnose. For more related content, please pay attention to PHP Chinese website (www.php.cn)!


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