/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.appium.android.bootstrap.handler;
import com.android.uiautomator.core.UiObject;
import com.android.uiautomator.core.UiObjectNotFoundException;
import com.android.uiautomator.core.UiScrollable;
import com.android.uiautomator.core.UiSelector;
import io.appium.android.bootstrap.*;
import org.json.JSONException;
import java.util.Hashtable;
/**
* This handler is used to scroll to elements in the Android UI.
*
* Based on the element Id of the scrollable, scroll to the object with the
* text.
*
*/
public class ScrollTo extends CommandHandler {
/*
* @param command The {@link AndroidCommand}
*
* @return {@link AndroidCommandResult}
*
* @throws JSONException
*
* @see io.appium.android.bootstrap.CommandHandler#execute(io.appium.android.
* bootstrap.AndroidCommand)
*/
@Override
public AndroidCommandResult execute(final AndroidCommand command)
throws JSONException {
if (!command.isElementCommand()) {
return getErrorResult("A scrollable view is required for this command.");
}
try {
Boolean result;
final Hashtable<String, Object> params = command.params();
final String text = params.get("text").toString();
final String direction = params.get("direction").toString();
final AndroidElement el = command.getElement();
if (!el.getUiObject().isScrollable()) {
return getErrorResult("The provided view is not scrollable.");
}
final UiScrollable view = new UiScrollable(el.getUiObject().getSelector());
if (direction.toLowerCase().contentEquals("horizontal")
|| view.getClassName().contentEquals(
"android.widget.HorizontalScrollView")) {
view.setAsHorizontalList();
}
view.scrollToBeginning(100);
view.setMaxSearchSwipes(100);
result = view.scrollTextIntoView(text);
view.waitForExists(5000);
// make sure we can get to the item
UiObject listViewItem = view.getChildByInstance(
new UiSelector().text(text), 0);
// We need to make sure that the item exists (visible)
if (!(result && listViewItem.exists())) {
return getErrorResult("Could not scroll element into view: " + text);
}
return getSuccessResult(result);
} catch (final UiObjectNotFoundException e) {
return new AndroidCommandResult(WDStatus.NO_SUCH_ELEMENT, e.getMessage());
} catch (final NullPointerException e) { // el is null
return new AndroidCommandResult(WDStatus.NO_SUCH_ELEMENT, e.getMessage());
} catch (final Exception e) {
return new AndroidCommandResult(WDStatus.UNKNOWN_ERROR, e.getMessage());
}
}
}