fragment中加入高德地图，viewpager切换时地图状态复原，并且多次切换会引起程序退出

loveobjc 2015-02-13 03:44:16

package com.jxtele.safehero.fragment;



import com.amap.api.maps2d.AMap;

import com.amap.api.maps2d.CameraUpdateFactory;

import com.amap.api.maps2d.LocationSource;

import com.amap.api.maps2d.MapView;

import com.amap.api.maps2d.model.BitmapDescriptorFactory;

import com.amap.api.maps2d.model.MyLocationStyle;

import com.jxtele.safehero.R;

import com.jxtele.safehero.service.MapLocationSerice;

import com.jxtele.safehero.view.ActionItem;

import com.jxtele.safehero.view.BatteryView;

import com.jxtele.safehero.view.QuickAction;

import android.content.Context;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.TextView;

import android.widget.Toast;



public class MapFragment extends Fragment implements LocationSource{

        

        private Context ctx;

        private MapView mapView;

        private AMap aMap;

        private TextView title;

        private MapLocationSerice mapLocationSerice;

        @Override

        public View onCreateView(LayoutInflater inflater, ViewGroup container,

                        Bundle savedInstanceState) {

                View v = inflater.inflate(R.layout.fragment_map, container, false);

                

                return v;

        }

        

        @Override

        public void onViewCreated(View v, Bundle savedInstanceState) {

                // TODO Auto-generated method stub

                super.onViewCreated(v, savedInstanceState);

                mapView = (MapView) v.findViewById(R.id.map);

                mapView.onCreate(savedInstanceState);

                init(v);

        }

        /**

     * 初始化AMap对象

     */

        private void init(View v) {

                

                if (aMap == null) {

                        aMap = mapView.getMap();

                        setUpMap();

                }

                title = (TextView) v.findViewById(R.id.title);

                ctx = this.getActivity();

                

                initBatteryView(v);

                initPopMeun();

                

        }

        

        public void initBatteryView(View v) {

                BatteryView batteryView = (BatteryView) v.findViewById(R.id.batteryView);

                batteryView.setPower(100);

        }

        

        public void initPopMeun() {

                

                ActionItem nextItem         = new ActionItem(1, "Next", getResources().getDrawable(R.drawable.icon_people));

                ActionItem prevItem         = new ActionItem(2, "Prev", getResources().getDrawable(R.drawable.icon_set));

        ActionItem searchItem         = new ActionItem(3, "Find", getResources().getDrawable(R.drawable.icon_area));

        ActionItem infoItem         = new ActionItem(4, "Info", getResources().getDrawable(R.drawable.icon_interaction));

        

        //use setSticky(true) to disable QuickAction dialog being dismissed after an item is clicked

        prevItem.setSticky(true);

        nextItem.setSticky(true);

                

                //create QuickAction. Use QuickAction.VERTICAL or QuickAction.HORIZONTAL param to define layout 

        //orientation

                final QuickAction quickAction = new QuickAction(ctx, QuickAction.VERTICAL);

                

                //add action items into QuickAction

        quickAction.addActionItem(nextItem);

                quickAction.addActionItem(prevItem);

        quickAction.addActionItem(searchItem);

        quickAction.addActionItem(infoItem);

        

        //Set listener for action item clicked

                quickAction.setOnActionItemClickListener(new QuickAction.OnActionItemClickListener() {                        

                        @Override

                        public void onItemClick(QuickAction source, int pos, int actionId) {                                

                                ActionItem actionItem = quickAction.getActionItem(pos);

                 

                                //here we can filter which action item was clicked with pos or actionId parameter

                                if (actionId == 1) {

                                        Toast.makeText(ctx, "Let's do some search action", Toast.LENGTH_SHORT).show();

                                } else if (actionId == 2) {

                                        Toast.makeText(ctx, "I have no info this time", Toast.LENGTH_SHORT).show();

                                } else {

                                        Toast.makeText(ctx, actionItem.getTitle() + " selected", Toast.LENGTH_SHORT).show();

                                }

                        }

                });

                

//                //set listnener for on dismiss event, this listener will be called only if QuickAction dialog was dismissed

//                //by clicking the area outside the dialog.

//                quickAction.setOnDismissListener(new QuickAction.OnDismissListener() {                        

//                        @Override

//                        public void onDismiss() {

//                                Toast.makeText(ctx, "Dismissed", Toast.LENGTH_SHORT).show();

//                        } 

//                });

                //show on btn1

                title.setOnClickListener(new View.OnClickListener() {

                        @Override

                        public void onClick(View v) {

                                quickAction.show(v);

                        }

                });

        }

        



//    @Override

//    public void onDestroyView() {

//            super.onDestroyView();

//            ((ViewGroup) v.getParent()).removeView(v);

//    }

    /**

         * 方法必须重写

         */

        @Override

        public void onResume() {

                super.onResume();

                mapView.onResume();

        }



        /**

         * 方法必须重写

         */

        @Override

        public void onPause() {

                super.onPause();

                mapView.onPause();

                deactivate();

        }



        /**

         * 方法必须重写

         */

        @Override

        public void onSaveInstanceState(Bundle outState) {

                super.onSaveInstanceState(outState);

                mapView.onSaveInstanceState(outState);

        }



        /**

         * 方法必须重写

         */

        @Override

        public void onDestroy() {

                super.onDestroy();

                mapView.onDestroy();

                deactivate();

        }

        

        public TextView getTitle() {

                return this.title;

        }

        

        private void setUpMap() {

                aMap.setLocationSource(this);

                aMap.getUiSettings().setMyLocationButtonEnabled(false);

                aMap.setMyLocationEnabled(true);

                MyLocationStyle myLocationStyle = new MyLocationStyle();

                myLocationStyle.myLocationIcon(BitmapDescriptorFactory.fromResource(R.drawable.locatin_img));

                aMap.setMyLocationStyle(myLocationStyle);

                aMap.moveCamera(CameraUpdateFactory.zoomBy(aMap.getCameraPosition().zoom - 2));

                aMap.setMapType(AMap.MAP_TYPE_NORMAL);

        }



        



        @Override

        public void deactivate() {

                if (mapLocationSerice != null) {

                        mapLocationSerice.stopLocation();

                }

                mapLocationSerice = null;

        }



        @Override

        public void activate(OnLocationChangedListener listener) {

                if(mapLocationSerice == null) {

                        mapLocationSerice = MapLocationSerice.getInstance(this.getActivity());

                        mapLocationSerice.requestLocationData(60*1000, 10, listener);

                }

        }