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A framework for building native apps with React
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.uimanager;
import android.view.View;
import android.view.ViewGroup;
import com.facebook.react.bridge.UiThreadUtil;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class ViewHierarchyDumper {
public static JSONObject toJSON(View view) throws JSONException {
UiThreadUtil.assertOnUiThread();
JSONObject result = new JSONObject();
result.put("n", view.getClass().getName());
result.put("i", System.identityHashCode(view));
Object tag = view.getTag();
if (tag != null && tag instanceof String) {
result.put("t", tag);
}
if (view instanceof ViewGroup) {
ViewGroup viewGroup = (ViewGroup) view;
if (viewGroup.getChildCount() > 0) {
JSONArray children = new JSONArray();
for (int i = 0; i < viewGroup.getChildCount(); i++) {
children.put(i, toJSON(viewGroup.getChildAt(i)));
}
result.put("c", children);
}
}
return result;
}
}