public void show() { if (!getControls().isVisible() && !mZoomManager.isZoomScaleFixed()) { mZoomButtonsController.setVisible(true); if (mZoomManager.isDoubleTapEnabled()) { WebSettingsClassic settings = mWebView.getSettings(); int count = settings.getDoubleTapToastCount(); if (mZoomManager.isInZoomOverview() && count > 0) { settings.setDoubleTapToastCount(--count); Toast.makeText( mWebView.getContext(), com.android.internal.R.string.double_tap_toast, Toast.LENGTH_LONG) .show(); } } } }