@SuppressWarnings("deprecation")
public void clearHistory() {
	this.deleteDatabase(HistoryDatabase.DATABASE_NAME);
	WebViewDatabase m = WebViewDatabase.getInstance(this);
	m.clearFormData();
	m.clearHttpAuthUsernamePassword();
	if (API < 18) {
		m.clearUsernamePassword();
		WebIconDatabase.getInstance().removeAllIcons();
	}
	if (mSystemBrowser) {
		try {
			//Browser.
			//Browser.clearHistory(getContentResolver());
		} catch (NullPointerException ignored) {
		}
	}
	Utils.trimCache(this);
}
 

/**
	 * Clears browser cache etc
	 */
    protected void clearTraces(){
    	CustomWebView WV = webLayout.findViewById(R.id.browser_page);
    	if (WV!=null){
			WV.clearHistory();
			WV.clearCache(true);
    	}
		
		WebViewDatabase wDB = WebViewDatabase.getInstance(activity);
		wDB.clearFormData();
		
		CookieSyncManager.createInstance(activity);
		CookieManager cookieManager = CookieManager.getInstance();
		cookieManager.removeAllCookie();
		// Usefull for future commits:
//			cookieManager.setAcceptCookie(false)
//
//			WebView webview = new WebView(this);
//			WebSettings ws = webview.getSettings();
//			ws.setSaveFormData(false);
//			ws.setSavePassword(false); // Not needed for API level 18 or greater (deprecat
    }
 

/**
 * Clear the web database
 */
public void clearDatabase() {
    WebViewDatabase database = WebViewDatabase.getInstance(getContext());
    database.clearHttpAuthUsernamePassword();
    database.clearFormData();
    database.clearUsernamePassword();
}
 

public static void clearHistory(@NonNull Context context, @NonNull HistoryModel historyModel) {
    historyModel.deleteHistory()
            .subscribeOn(Schedulers.io())
            .subscribe();
    WebViewDatabase m = WebViewDatabase.getInstance(context);
    m.clearFormData();
    m.clearHttpAuthUsernamePassword();
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
        //noinspection deprecation
        m.clearUsernamePassword();
        //noinspection deprecation
        WebIconDatabase.getInstance().removeAllIcons();
    }
    Utils.trimCache(context);
}
 

public static void clearAll(WebView webView) {
	clearCookie();
	if (webView != null) {
		webView.clearCache(true);
	}
	WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(MainApplication.getInstance());
	webViewDatabase.clearFormData();
	webViewDatabase.clearHttpAuthUsernamePassword();
	WebStorage.getInstance().deleteAllData();
}
 

public static void clearHistory(@NonNull Context context, @NonNull HistoryModel historyModel) {
    historyModel.deleteHistory()
            .subscribeOn(Schedulers.io())
            .subscribe();
    WebViewDatabase m = WebViewDatabase.getInstance(context);
    m.clearFormData();
    m.clearHttpAuthUsernamePassword();
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
        //noinspection deprecation
        m.clearUsernamePassword();
        //noinspection deprecation
        WebIconDatabase.getInstance().removeAllIcons();
    }
    Utils.trimCache(context);
}