Android Open Source - AndroidSlidingUpPanel-foursquare-map-demo Main Activity

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From Project

Back to project page AndroidSlidingUpPanel-foursquare-map-demo.

License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright 2014-present Amberfog/*from ww  w . j  a v a  2  s.com*/
 *
 * 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 com.amberfog.mapslidingtest.app;

import android.app.Activity;
import android.app.FragmentTransaction;
import android.content.Context;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.google.android.gms.maps.CameraUpdate;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.sothree.slidinguppanel.SlidingUpPanelLayout;

import java.util.ArrayList;


public class MainActivity extends Activity implements SlidingUpPanelLayout.PanelSlideListener {

    private ListView mListView;
    private SlidingUpPanelLayout mSlidingUpPanelLayout;

    private View mTransparentHeaderView;
    private View mTransparentView;
    private View mSpaceView;

    private MapFragment mMapFragment;

    private GoogleMap mMap;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mListView = (ListView) findViewById(R.id.list);
        mListView.setOverScrollMode(ListView.OVER_SCROLL_NEVER);

        mSlidingUpPanelLayout = (SlidingUpPanelLayout) findViewById(R.id.slidingLayout);
        mSlidingUpPanelLayout.setEnableDragViewTouchEvents(true);

        int mapHeight = getResources().getDimensionPixelSize(R.dimen.map_height);
        mSlidingUpPanelLayout.setPanelHeight(mapHeight); // you can use different height here
        mSlidingUpPanelLayout.setScrollableView(mListView, mapHeight);

        mSlidingUpPanelLayout.setPanelSlideListener(this);

        // transparent view at the top of ListView
        mTransparentView = findViewById(R.id.transparentView);

        // init header view for ListView
        mTransparentHeaderView = LayoutInflater.from(this).inflate(R.layout.transparent_header_view, null, false);
        mSpaceView = mTransparentHeaderView.findViewById(R.id.space);

        ArrayList<String> testData = new ArrayList<String>(100);
        for (int i = 0; i < 100; i++) {
            testData.add("Item " + i);
        }
        mListView.addHeaderView(mTransparentHeaderView);
        mListView.setAdapter(new ArrayAdapter<String>(this, R.layout.simple_list_item, testData));
        mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                mSlidingUpPanelLayout.collapsePane();
            }
        });
        collapseMap();

        mMapFragment = MapFragment.newInstance();
        FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
        fragmentTransaction.add(R.id.mapContainer, mMapFragment, "map");
        fragmentTransaction.commit();

        setUpMapIfNeeded();
    }

    private void setUpMapIfNeeded() {
        // Do a null check to confirm that we have not already instantiated the map.
        if (mMap == null) {
            // Try to obtain the map from the SupportMapFragment.
            mMap = mMapFragment.getMap();
            // Check if we were successful in obtaining the map.
            if (mMap != null) {
                mMap.setMyLocationEnabled(true);
                mMap.getUiSettings().setCompassEnabled(false);
                mMap.getUiSettings().setZoomControlsEnabled(false);
                mMap.getUiSettings().setMyLocationButtonEnabled(false);
                CameraUpdate update = getLastKnownLocation();
                if (update != null) {
                    mMap.moveCamera(update);
                }
            }
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        // In case Google Play services has since become available.
        setUpMapIfNeeded();
    }

    private CameraUpdate getLastKnownLocation() {
        LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        Criteria criteria = new Criteria();
        criteria.setAccuracy(Criteria.ACCURACY_LOW);
        String provider = lm.getBestProvider(criteria, true);
        if (provider == null) {
            return null;
        }
        Location loc = lm.getLastKnownLocation(provider);
        if (loc != null) {
            return CameraUpdateFactory.newCameraPosition(CameraPosition.fromLatLngZoom(new LatLng(loc.getLatitude(), loc.getLongitude()), 14.0f));
        }
        return null;
    }

    private void collapseMap() {
        mSpaceView.setVisibility(View.VISIBLE);
        mTransparentView.setVisibility(View.GONE);
    }

    private void expandMap() {
        mSpaceView.setVisibility(View.GONE);
        mTransparentView.setVisibility(View.INVISIBLE);
    }

    @Override
    public void onPanelSlide(View view, float v) {
    }

    @Override
    public void onPanelCollapsed(View view) {
        expandMap();
        mMap.animateCamera(CameraUpdateFactory.zoomTo(14f), 1000, null);
    }

    @Override
    public void onPanelExpanded(View view) {
        collapseMap();
        mMap.animateCamera(CameraUpdateFactory.zoomTo(11f), 1000, null);
    }

    @Override
    public void onPanelAnchored(View view) {

    }
}

Java Source Code List

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