gistfile1.js

Selendroid.prototype.pinchClose = function (startX, startY, endX, endY, duration,
    percent, steps, elId, cb) {
  var command;
  var fromPointObject = {'x' : startX, 'y' : startY};
  var toPointObject = {'x' : endX, 'y' : endY};
  var moveX = (endX - startX)/4
  var moveY = (endY - startY)/4
 
  if (elId) {
    return cb(new NotYetImplementedError(), null);
  }
  var reqUrl = this.proxyHost + ':' + this.proxyPort +
      '/wd/hub/session/' + this.proxySessionId +
      '/actions/';
  var json_v =
    {"payload":[
      {"id":"","inputDevice":"touch",
      "actions":[
        {"name":"pointerDown","y":startY,"x":startX},
        {"name":"pause","ms":1000},
        {"name":"pointerMove","y":startY,"x":startX+moveX},
        {"name":"pointerUp"}
      ]},
      {"id":"","inputDevice":"touch",
      "actions":[
        {"name":"pointerDown","y":endY,"x":endX},
        {"name":"pause","ms":1000},
        {"name":"pointerMove","y":endY,"x":endX-moveX},
        {"name":"pointerUp"}
        ]}
      ]};
 
  doRequest(reqUrl, 'POST', json_v, null, function (err) {
    if (err) return cb(err);
    cb(null, {
      status: status.codes.Success.code,
      value: ''
    });
  });
};