手机自动化测试：appium源码分析之bootstrap八
手机自动化测试：appium源码分析之bootstrap八
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概念：pinchIn和pinchOut
a.2个手指同时按住A和B，同时将A滑向A1,B滑向B1，称为pinchIn
b.2个手指同时按住A1和B1，同时将A1滑向A，B1滑向B，成为pinchOut.
那么Pinch类就是接受这一指令的，传入的参数有方向direction，percent代表滑到对角线百分之几停止，steps代表滑到时间，一个step代表5毫秒。根据direction来判断是调用UiObject.pinchIn和UiObject.pinchOut.
Pinch代码：
package io.appium.android.bootstrap.handler;
import com.android.uiautomator.core.UiObjectNotFoundException;
import io.appium.android.bootstrap.*;
import org.json.JSONException;
import java.util.Hashtable;
/**
* This handler is used to pinch in/out elements in the Android UI.
*
* Based on the element Id, pinch in/out that element.
*
*/
public class Pinch extends CommandHandler {
/*
* @param command The {@link AndroidCommand} used for this handler.
*
* @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 {
final Hashtable<String, Object> params = command.params();
AndroidElement el;
final String direction = params.get("direction").toString();
final Integer percent = (Integer) params.get("percent");
final Integer steps = (Integer) params.get("steps");
try {
el = command.getElement();
if (el == null) {
return getErrorResult("Could not find an element with elementId: "
+ params.get("elementId"));
}
} catch (final Exception e) { // JSONException, NullPointerException, etc.
return getErrorResult("Unknown error:" + e.getMessage());
}
Logger.debug("Pinching " + direction + " " + percent.toString() + "%"
+ " with steps: " + steps.toString());
boolean res;
if (direction.equals("in")) {
try {
res = el.pinchIn(percent, steps);
} catch (final UiObjectNotFoundException e) {
return getErrorResult("Selector could not be matched to any UI element displayed");
}
} else {
try {
res = el.pinchOut(percent, steps);
} catch (final UiObjectNotFoundException e) {
return getErrorResult("Selector could not be matched to any UI element displayed");
}
}
if (res) {
return getSuccessResult(res);
} else {
return getErrorResult("Pinch did not complete successfully");
}
}
}
