Java WebViewDatabase.getInstance方法代码示例

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
@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);
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
@Override
public void cleanup() {
    clearFormData();
    clearHistory();
    clearMatches();
    clearSslPreferences();
    clearCache(true);

    // We don't care about the callback - we just want to make sure cookies are gone
    CookieManager.getInstance().removeAllCookies(null);

    WebStorage.getInstance().deleteAllData();

    final WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(getContext());
    // It isn't entirely clear how this differs from WebView.clearFormData()
    webViewDatabase.clearFormData();
    webViewDatabase.clearHttpAuthUsernamePassword();

    deleteContentFromKnownLocations(getContext());
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
public MoPubView(Context context, AttributeSet attrs) {
    super(context, attrs);

    ManifestUtils.checkWebViewActivitiesDeclared(context);

    mContext = context;
    mScreenVisibility = getVisibility();

    setHorizontalScrollBarEnabled(false);
    setVerticalScrollBarEnabled(false);

    // There is a rare bug in Froyo/2.2 where creation of a WebView causes a
    // NullPointerException. (http://code.google.com/p/android/issues/detail?id=10789)
    // It happens when the WebView can't access the local file store to make a cache file.
    // Here, we'll work around it by trying to create a file store and then just go inert
    // if it's not accessible.
    if (WebViewDatabase.getInstance(context) == null) {
        MoPubLog.e("Disabling MoPub. Local cache file is inaccessible so MoPub will " +
                "fail if we try to create a WebView. Details of this Android bug found at:" +
                "http://code.google.com/p/android/issues/detail?id=10789");
        return;
    }

    mAdViewController = AdViewControllerFactory.create(context, this);
    registerScreenStateBroadcastReceiver();
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
public UnileadView(Context context, AttributeSet attrs) {
    super(context, attrs);

    mContext = context;
    mIsInForeground = (getVisibility() == VISIBLE);
    mLocationAwareness = LocationAwareness.NORMAL;

    setHorizontalScrollBarEnabled(false);
    setVerticalScrollBarEnabled(false);

    // There is a rare bug in Froyo/2.2 where creation of a WebView causes a
    // NullPointerException. (http://code.google.com/p/android/issues/detail?id=10789)
    // It happens when the WebView can't access the local file store to make a cache file.
    // Here, we'll work around it by trying to create a file store and then just go inert
    // if it's not accessible.
    if (WebViewDatabase.getInstance(context) == null) {
        Logger.e("Disabling Unilead SDK. Local cache file is inaccessible so SDK will " +
                "fail if we try to create a WebView. Details of this Android bug found at:" +
                "http://code.google.com/p/android/issues/detail?id=10789");
        return;
    }

    engine = Engine.Factory.create(context, this);
    registerScreenStateBroadcastReceiver();
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
/**
 * Clear the web database
 */
public void clearDatabase() {
    WebViewDatabase database = WebViewDatabase.getInstance(getContext());
    database.clearHttpAuthUsernamePassword();
    database.clearFormData();
    database.clearUsernamePassword();
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
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);
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  View rod = inflater.inflate(R.layout.kontakt_info_om_frag, container, false);

  String url = App.grunddata.android_json.optString("kontakt_url", "http://dr.dk");

  WebView webview = (WebView) rod.findViewById(R.id.webview);

  // Jacob: Fix for 'syg' webview-cache - se http://code.google.com/p/android/issues/detail?id=10789
  WebViewDatabase webViewDB = WebViewDatabase.getInstance(getActivity());
  if (webViewDB != null) {
    // OK, webviewet kan bruge sin cache
    webview.getSettings().setJavaScriptEnabled(true);
    webview.loadUrl(url);
    // hjælper det her??? webview.getSettings().setDatabasePath(...);
  } else {
    // Øv, vi viser URLen i en ekstern browser.
    // Når brugeren derefter trykker 'tilbage' ser han et tomt webview.
    startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
  }

  TextView titel = (TextView) rod.findViewById(R.id.titel);
  titel.setTypeface(App.skrift_gibson_fed);

  TextView version = (TextView) rod.findViewById(R.id.version);
  version.setTypeface(App.skrift_gibson);
  version.setText(App.versionsnavn);
  version.setContentDescription("\u00A0");  // SLUK for højtlæsning ... det virker ikke

  rod.findViewById(R.id.kontakt).setOnClickListener(this);
  return rod;
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
public static void clearHistory(@NonNull Context context) {
    HistoryDatabase.getInstance().deleteHistory();
    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);
}
 

import android.webkit.WebViewDatabase; //导入方法依赖的package包/类
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();
}