GMapsMapFragment.java

/*
 * Copyright (C) 2013 The WLANAudit project contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 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 es.glasspixel.wlanaudit.fragments;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;

import com.google.android.gms.maps.SupportMapFragment;

/**
 * This class implements a hack to avoid artifacts with GMaps V2 and Sliding
 * menu. Hack is documented here: http://goo.gl/pBACa
 */
public class GMapsMapFragment extends SupportMapFragment {

    public GMapsMapFragment() {
        super();
    }

    public static GMapsMapFragment newInstance() {
        return new GMapsMapFragment();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = super.onCreateView(inflater, container, savedInstanceState);
        setMapTransparent((ViewGroup) view);
        return view;
    }

    ;

    private void setMapTransparent(ViewGroup group) {
        int childCount = group.getChildCount();
        for (int i = 0; i < childCount; i++) {
            View child = group.getChildAt(i);
            if (child instanceof ViewGroup) {
                setMapTransparent((ViewGroup) child);
            } else if (child instanceof SurfaceView) {
                child.setBackgroundColor(0x00000000);
            }
        }
    }
}