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android 实践项目四

本周主要是开发android baidumap实现公交的查询

1、权限的取得和对屏幕的支持

 1     <uses-permission android:name="android.permission.BAIDU_LOCATION_SERVICE" >
 2     </uses-permission>
 3     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" >
 4     </uses-permission>
 5     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" >
 6     </uses-permission>
 7     <uses-permission android:name="android.permission.INTERNET" >
 8     </uses-permission>
 9     <uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" >
10     </uses-permission>
11     <!-- <uses-permission android:name="android.permission.WRITE_APN_SETTINGS"></uses-permission> -->
12     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" >
13     </uses-permission>
14     <uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
15     <uses-permission android:name="android.permission.WAKE_LOCK" >
16     </uses-permission>
17     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
18     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
19     <uses-permission android:name="android.permission.ACCESS_GPS" />
20     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
21     <uses-permission android:name="android.permission.READ_CONTACTS" />
22     <uses-permission android:name="android.permission.CALL_PHONE" />
23     <uses-permission android:name="android.permission.READ_SMS" />
24     <uses-permission android:name="android.permission.SEND_SMS" />
25     <!-- SDK1.5需要android.permission.GET_TASKS权限判断本程序是否为当前运行的应用? -->
26     <uses-permission android:name="android.permission.GET_TASKS" />
27     <uses-permission android:name="android.permission.CAMERA" >
28     </uses-permission>
29     <uses-permission android:name="android.permission.RECORD_AUDIO" >
30     </uses-permission>
31     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
32     </uses-permission>
33     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
34     <uses-permission android:name="android.permission.BROADCAST_STICKY" />
35     <uses-permission android:name="android.permission.WRITE_SETTINGS" />
36     <!-- 来电消音 -->
37     <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" >
38     </uses-permission>
39     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
40     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
41 
42     <supports-screens
43         android:anyDensity="true"
44         android:largeScreens="true"
45         android:normalScreens="false"
46         android:resizeable="true"
47         android:smallScreens="true" />

View Code

2、main.java实现

  1 package baidumapsdk.demo;
  2 
  3 import java.util.ArrayList;
  4 import java.util.List;
  5 
  6 import android.os.Bundle;
  7 import android.support.v4.app.FragmentActivity;
  8 import android.view.View;
  9 import android.widget.Button;
 10 import android.widget.EditText;
 11 import android.widget.TextView;
 12 import android.widget.Toast;
 13 
 14 import com.baidu.mapapi.map.BaiduMap;
 15 import com.baidu.mapapi.map.InfoWindow;
 16 import com.baidu.mapapi.map.MapPoi;
 17 import com.baidu.mapapi.map.MapStatusUpdateFactory;
 18 import com.baidu.mapapi.map.SupportMapFragment;
 19 import com.baidu.mapapi.model.LatLng;
 20 import com.baidu.mapapi.overlayutil.BusLineOverlay;
 21 import com.baidu.mapapi.search.busline.BusLineResult;
 22 import com.baidu.mapapi.search.busline.BusLineSearch;
 23 import com.baidu.mapapi.search.busline.BusLineSearchOption;
 24 import com.baidu.mapapi.search.busline.OnGetBusLineSearchResultListener;
 25 import com.baidu.mapapi.search.core.PoiInfo;
 26 import com.baidu.mapapi.search.core.SearchResult;
 27 import com.baidu.mapapi.search.poi.OnGetPoiSearchResultListener;
 28 import com.baidu.mapapi.search.poi.PoiCitySearchOption;
 29 import com.baidu.mapapi.search.poi.PoiDetailResult;
 30 import com.baidu.mapapi.search.poi.PoiResult;
 31 import com.baidu.mapapi.search.poi.PoiSearch;
 32 
 33 /**
 34  * 此demo用来展示如何进行公交线路详情检索，并使用RouteOverlay在地图上绘制 同时展示如何浏览路线节点并弹出泡泡
 35  */
 36 public class BusLineSearchDemo extends FragmentActivity implements
 37         OnGetPoiSearchResultListener, OnGetBusLineSearchResultListener,
 38         BaiduMap.OnMapClickListener {
 39     private Button mBtnPre = null;// 上一个节点
 40     private Button mBtnNext = null;// 下一个节点
 41     private int nodeIndex = -2;// 节点索引,供浏览节点时使用
 42     private BusLineResult route = null;// 保存驾车/步行路线数据的变量，供浏览节点时使用
 43     private List<String> busLineIDList = null;
 44     private int busLineIndex = 0;
 45     // 搜索相关
 46     private PoiSearch mSearch = null; // 搜索模块，也可去掉地图模块独立使用
 47     private BusLineSearch mBusLineSearch = null;//城市公交查询
 48     private BaiduMap mBaiduMap = null;
 49 
 50     protected void onCreate(Bundle savedInstanceState) {
 51         super.onCreate(savedInstanceState);
 52         setContentView(R.layout.activity_busline);
 53         CharSequence titleLable = "公交线路查询功能";//在图层中显示名称
 54         setTitle(titleLable);
 55         mBtnPre = (Button) findViewById(R.id.pre);
 56         mBtnNext = (Button) findViewById(R.id.next);
 57         mBtnPre.setVisibility(View.INVISIBLE);
 58         mBtnNext.setVisibility(View.INVISIBLE);
 59         mBaiduMap = ((SupportMapFragment) getSupportFragmentManager()
 60                 .findFragmentById(R.id.bmapView)).getBaiduMap();
 61         mBaiduMap.setOnMapClickListener(this);//地图单击事件监听接口
 62         mSearch = PoiSearch.newInstance();//POI检索接口
 63         mSearch.setOnGetPoiSearchResultListener(this);//设置poi检索监听者
 64         mBusLineSearch = BusLineSearch.newInstance();
 65         mBusLineSearch.setOnGetBusLineSearchResultListener(this);//设置公交详情检索结果监听者
 66         busLineIDList = new ArrayList<String>();
 67 
 68     }
 69 
 70     /**
 71      * 发起检索
 72      * 
 73      * @param v
 74      */
 75     public void searchButtonProcess(View v) {
 76         busLineIDList.clear();
 77         busLineIndex = 0;
 78         mBtnPre.setVisibility(View.INVISIBLE);
 79         mBtnNext.setVisibility(View.INVISIBLE);
 80         EditText editCity = (EditText) findViewById(R.id.city);
 81         EditText editSearchKey = (EditText) findViewById(R.id.searchkey);
 82         // 发起poi检索，从得到所有poi中找到公交线路类型的poi，再使用该poi的uid进行公交详情搜索
 83         mSearch.searchInCity((new PoiCitySearchOption()).city(
 84                 editCity.getText().toString()).keyword(
 85                 editSearchKey.getText().toString()));
 86     }
 87 
 88     public void SearchNextBusline(View v) {
 89         if (busLineIndex >= busLineIDList.size()) {
 90             busLineIndex = 0;
 91         }//在编辑中输入文本得然后获得公交路线
 92         if (busLineIndex >= 0 && busLineIndex < busLineIDList.size()
 93                 && busLineIDList.size() > 0) {
 94             mBusLineSearch.searchBusLine((new BusLineSearchOption()
 95                     .city(((EditText) findViewById(R.id.city)).getText()
 96                             .toString()).uid(busLineIDList.get(busLineIndex))));
 97 
 98             busLineIndex++;
 99         }
100 
101     }
102 
103     /**
104      * 节点浏览示例
105      * 
106      * @param v
107      */
108     public void nodeClick(View v) {
109 
110         if (nodeIndex < -1 || route == null
111                 || nodeIndex >= route.getStations().size())
112             return;
113         TextView popupText = new TextView(this);
114         popupText.setBackgroundResource(R.drawable.popup);//设置背景源
115         popupText.setTextColor(0xff000000);//设置文本颜色
116         // 上一个节点
117         if (mBtnPre.equals(v) && nodeIndex > 0) {
118             // 索引减
119             nodeIndex--;
120         }
121         // 下一个节点
122         if (mBtnNext.equals(v) && nodeIndex < (route.getStations().size() - 1)) {
123             // 索引加
124             nodeIndex++;
125         }
126         if(nodeIndex >= 0){
127             // 移动到指定索引的坐标
128             mBaiduMap.setMapStatus(MapStatusUpdateFactory.newLatLng(route
129                     .getStations().get(nodeIndex).getLocation()));
130             // 弹出泡泡
131             popupText.setText(route.getStations().get(nodeIndex).getTitle());
132             mBaiduMap.showInfoWindow(new InfoWindow(popupText, route.getStations()
133                     .get(nodeIndex).getLocation(), 0));
134         }
135     }
136 
137     @Override
138     protected void onPause() {
139         super.onPause();
140     }
141 
142     @Override
143     protected void onResume() {
144         super.onResume();
145     }
146 
147     @Override
148     protected void onDestroy() {
149         mSearch.destroy();
150         mBusLineSearch.destroy();
151         super.onDestroy();
152     }
153 
154     @Override
155     public void onGetBusLineResult(BusLineResult result) {
156         if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
157             Toast.makeText(BusLineSearchDemo.this, "抱歉，未找到结果",
158                     Toast.LENGTH_LONG).show();
159             return;
160         }
161         mBaiduMap.clear();
162         route = result;
163         nodeIndex = -1;
164         BusLineOverlay overlay = new BusLineOverlay(mBaiduMap);
165         mBaiduMap.setOnMarkerClickListener(overlay);
166         overlay.setData(result);
167         overlay.addToMap();
168         overlay.zoomToSpan();
169         mBtnPre.setVisibility(View.VISIBLE);
170         mBtnNext.setVisibility(View.VISIBLE);
171         Toast.makeText(BusLineSearchDemo.this, result.getBusLineName(),
172                 Toast.LENGTH_SHORT).show();
173     }
174 
175     @Override
176     public void onGetPoiResult(PoiResult result) {
177 
178         if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
179             Toast.makeText(BusLineSearchDemo.this, "抱歉，未找到结果",
180                     Toast.LENGTH_LONG).show();
181             return;
182         }
183         // 遍历所有poi，找到类型为公交线路的poi
184         busLineIDList.clear();
185         for (PoiInfo poi : result.getAllPoi()) {
186             if (poi.type == PoiInfo.POITYPE.BUS_LINE
187                     || poi.type == PoiInfo.POITYPE.SUBWAY_LINE) {
188                 busLineIDList.add(poi.uid);
189             }
190         }
191         SearchNextBusline(null);
192         route = null;
193     }
194 
195     @Override
196     public void onGetPoiDetailResult(PoiDetailResult result) {
197 
198     }
199 
200     @Override
201     public void onMapClick(LatLng point) {
202         mBaiduMap.hideInfoWindow();
203     }
204 
205     @Override
206     public boolean onMapPoiClick(MapPoi poi) {
207         return false;
208     }
209 }

View Code

3、布局的实现.xml

  1 <?xml version="1.0" encoding="utf-8"?>
  2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  3     android:layout_width="fill_parent"
  4     android:layout_height="fill_parent"
  5     android:orientation="vertical" >
  6 
  7     <LinearLayout
  8         xmlns:android="http://schemas.android.com/apk/res/android"
  9         android:layout_width="fill_parent"
 10         android:layout_height="wrap_content"
 11         android:orientation="horizontal" >
 12 
 13         <TextView
 14             android:layout_width="wrap_content"
 15             android:layout_height="wrap_content"
 16             android:text="在" />
 17 
 18         <EditText
 19             android:id="@+id/city"
 20             android:layout_width="wrap_content"
 21             android:layout_height="wrap_content"
 22             android:text="北京" />
 23 
 24         <TextView
 25             android:layout_width="wrap_content"
 26             android:layout_height="wrap_content"
 27             android:text="市内找" />
 28 
 29         <EditText
 30             android:id="@+id/searchkey"
 31             android:layout_width="wrap_content"
 32             android:layout_height="wrap_content"
 33             android:text="83" />
 34 
 35         <TextView
 36             android:layout_width="wrap_content"
 37             android:layout_height="wrap_content"
 38             android:text="公交车" />
 39 
 40         <LinearLayout
 41             xmlns:android="http://schemas.android.com/apk/res/android"
 42             android:layout_width="fill_parent"
 43             android:layout_height="wrap_content"
 44             android:orientation="horizontal" >
 45 
 46             <Button
 47                 android:id="@+id/search"
 48                 android:layout_width="fill_parent"
 49                 android:layout_height="wrap_content"
 50                 android:layout_marginLeft="2dip"
 51                 android:layout_marginRight="2dip"
 52                 android:layout_weight="1"
 53                 android:background="@drawable/button_style"
 54                 android:onClick="searchButtonProcess"
 55                 android:text="开始" />
 56 
 57             <Button
 58                 android:id="@+id/nextline"
 59                 android:layout_width="fill_parent"
 60                 android:layout_height="wrap_content"
 61                 android:layout_marginLeft="2dip"
 62                 android:layout_marginRight="2dip"
 63                 android:layout_weight="1"
 64                 android:background="@drawable/button_style"
 65                 android:onClick="SearchNextBusline"
 66                 android:text="下一条" />
 67         </LinearLayout>
 68     </LinearLayout>
 69 
 70     <RelativeLayout
 71         xmlns:android="http://schemas.android.com/apk/res/android"
 72         android:layout_width="match_parent"
 73         android:layout_height="match_parent" >
 74 
 75         <fragment
 76             android:id="@+id/bmapView"
 77             android:layout_width="fill_parent"
 78             android:layout_height="fill_parent"
 79             class="com.baidu.mapapi.map.SupportMapFragment"
 80             android:clickable="true" />
 81 
 82         <LinearLayout
 83             xmlns:android="http://schemas.android.com/apk/res/android"
 84             android:layout_width="wrap_content"
 85             android:layout_height="wrap_content"
 86             android:layout_alignParentBottom="true"
 87             android:layout_alignWithParentIfMissing="false"
 88             android:layout_centerHorizontal="true"
 89             android:layout_centerVertical="false"
 90             android:layout_marginBottom="10dip" >
 91 
 92             <Button
 93                 android:id="@+id/pre"
 94                 android:layout_width="fill_parent"
 95                 android:layout_height="fill_parent"
 96                 android:layout_marginLeft="2dip"
 97                 android:layout_marginRight="2dip"
 98                 android:layout_weight="1.0"
 99                 android:background="@drawable/pre_"
100                 android:onClick="nodeClick" />
101 
102             <Button
103                 android:id="@+id/next"
104                 android:layout_width="fill_parent"
105                 android:layout_height="fill_parent"
106                 android:layout_marginLeft="2dip"
107                 android:layout_marginRight="2dip"
108                 android:layout_weight="1.0"
109                 android:background="@drawable/next_"
110                 android:onClick="nodeClick" />
111         </LinearLayout>
112     </RelativeLayout>
113 
114 </LinearLayout>

View Code

4、默认的是北京83路公交

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原文地址：https://www.cnblogs.com/20159213yf/p/5006045.html