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" />
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 }
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>
4、默认的是北京83路公交
时间： 2024-10-19 10:57:44