溫馨提示×
您好，登錄后才能下訂單哦！
點擊 登錄注冊 即表示同意《億速云用戶服務條款》
您好，登錄后才能下訂單哦！
1.打開頁面自動定位，同時搜索周邊所有poi
2.點擊搜索按鈕，輸入關鍵子，獲取關鍵字搜索結果
3。選取listview中的一項即可定位到該位置，或者獲取任何消息
4.文件類
1、MapActivity
public class MapActivity extends Activity implements PoiSearch.OnPoiSearchListener {
private MapView mMapView = null;
private AMap aMap;
private MyLocationStyle myLocationStyle;
//poiSearch相關
private PoiSearch poiSearch;
private PoiSearch.Query query;
boolean isPoiSearched = false; //是否進行poi搜索
//listview
private ListView ll;
ArrayList<PoiItem> arrayList;
MyAdpter adapter;
MyHandler myHandler;
//字體
Typeface tf;
//搜索欄
FrameLayout frameLayout;
ImageView searchIv;
EditText searchEt;
TextView title;
Button btn;
ImageView success;
boolean onSearch = false; //是否打開搜索欄
ImageView back;
private double mCurrentLat;
private double mCurrentLng;
Map<String, String> currentInfo = new HashMap<>();
int selectIndex = -1;
ImageView currentSelectItem = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
findAllView();
setAllViewOnclickLinster();
//在activity執行onCreate時執行mMapView.onCreate(savedInstanceState)，創建地圖
mMapView.onCreate(savedInstanceState);
initAMap();
}
/**
* 獲取view對象，初始化一些對象
*/
void findAllView() {
//獲取地圖控件引用
mMapView = (MapView) findViewById(R.id.map);
frameLayout = (FrameLayout) findViewById(R.id.searchLayout);
searchEt = (EditText) findViewById(R.id.search_input);
searchIv = (ImageView) findViewById(R.id.search);
btn = (Button) findViewById(R.id.search_go_btn);
success = (ImageView) findViewById(R.id.success);
back = (ImageView) findViewById(R.id.back);
//初始化listview
ll = (ListView) findViewById(R.id.ll);
arrayList = new ArrayList<>();
adapter = new MyAdpter();
ll.setAdapter(adapter);
//設置標題字體
tf = Typeface.createFromAsset(getAssets(), "font/f1.ttf");
(title = (TextView) findViewById(R.id.title)).setTypeface(tf);
myHandler = new MyHandler();
}
/**
* 設置點擊事件
*/
void setAllViewOnclickLinster() {
//當搜索圖標點擊時，切換顯示效果
searchIv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (title.getVisibility() == View.VISIBLE) {
hideTitle();
} else if (title.getVisibility() == View.GONE) {
showTitle();
}
}
});
//點擊搜索按鈕時，搜索關鍵字
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String key = searchEt.getText().toString();
if (!key.trim().isEmpty()) {
if (currentSelectItem != null) {
currentSelectItem.setVisibility(View.INVISIBLE);
}
searchPoi(key, 0, currentInfo.get("cityCode"), false);
}
}
});
//使editText監聽回車事件，進行搜索，效果同上
searchEt.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() == KeyEvent.ACTION_UP) {
String key = searchEt.getText().toString();
if (!key.trim().isEmpty()) {
if (currentSelectItem != null) {
currentSelectItem.setVisibility(View.INVISIBLE);
}
searchPoi(key, 0, currentInfo.get("cityCode"), false);
}
return true;
}
return false;
}
});
//返回處理事件
back.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (onSearch) {
showTitle();
} else {
finish();
}
}
});
//完成事件
success.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//點擊ok的處理事件
//獲取數據并返回上一個activity即可
}
});
//listview點擊事件
ll.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
Log.e(ProConfig.TAG, i + "");
PoiItem item = arrayList.get(i);
Log.e(ProConfig.TAG, item.getLatLonPoint().toString());
Log.e(ProConfig.TAG, item.toString());
Log.e(ProConfig.TAG, item.getAdName());
//在地圖上添加一個marker，并將地圖中移動至此處
MarkerOptions mk = new MarkerOptions();
mk.icon(BitmapDescriptorFactory.defaultMarker());
mk.title(item.getAdName());
LatLng ll = new LatLng(item.getLatLonPoint().getLatitude(), item.getLatLonPoint().getLongitude());
mk.position(ll);
//清除所有marker等，保留自身
aMap.clear(true);
CameraUpdate cu = CameraUpdateFactory.newLatLng(ll);
aMap.animateCamera(cu);
aMap.addMarker(mk);
//存儲當前點擊位置
selectIndex = i;
//存儲當前點擊view，并修改view和上一個選中view的定位圖標
ImageView iv = (ImageView) view.findViewById(R.id.yes);
iv.setVisibility(View.VISIBLE);
if (currentSelectItem != null) {
currentSelectItem.setVisibility(View.INVISIBLE);
}
currentSelectItem = iv;
if (onSearch) {
//退出搜索模式，顯示地圖
showTitle();
}
}
});
}
/**
* 初始化高德地圖
*/
void initAMap() {
//初始化地圖控制器對象
if (aMap == null) {
aMap = mMapView.getMap();
}
//地圖加載監聽器
aMap.setOnMapLoadedListener(new AMap.OnMapLoadedListener() {
@Override
public void onMapLoaded() {
//aMap.setMapType();
aMap.setMyLocationEnabled(true);
aMap.animateCamera(CameraUpdateFactory.zoomTo(aMap.getMaxZoomLevel() - 1));
}
});
myLocationStyle = new MyLocationStyle();//初始化定位藍點樣式類
myLocationStyle.myLocationType(MyLocationStyle.LOCATION_TYPE_LOCATE);//連續定位、且將視角移動到地圖中心點，定位點依照設備方向旋轉，并且會跟隨設備移動。（1秒1次定位）如果不設置myLocationType，默認也會執行此種模式。
myLocationStyle.interval(2000); //設置連續定位模式下的定位間隔，只在連續定位模式下生效，單次定位模式下不會生效。單位為毫秒。
myLocationStyle.radiusFillColor(0x70f3ff);
myLocationStyle.strokeColor(0xe3f9fd);
aMap.setMyLocationStyle(myLocationStyle);//設置定位藍點的Style
aMap.getUiSettings().setMyLocationButtonEnabled(true);//設置默認定位按鈕是否顯示，非必需設置。
aMap.setMyLocationEnabled(true);// 設置為true表示啟動顯示定位藍點，false表示隱藏定位藍點并不進行定位，默認是false。
aMap.setMaxZoomLevel(aMap.getMaxZoomLevel());
//地址監聽事件
aMap.setOnMyLocationChangeListener(new AMap.OnMyLocationChangeListener() {
@Override
public void onMyLocationChange(Location location) {
if (!isPoiSearched) {
Log.e(ProConfig.TAG, location.toString());
Log.e(ProConfig.TAG, location.getProvider());
Log.e(ProConfig.TAG, location.getLatitude() + ":" + location.getLongitude());
//存儲定位數據
mCurrentLat = location.getLatitude();
mCurrentLng = location.getLongitude();
String[] args = location.toString().split("#");
for (String arg : args) {
String[] data = arg.split("=");
if (data.length >= 2)
currentInfo.put(data[0], data[1]);
}
//搜索poi
searchPoi("", 0, currentInfo.get("cityCode"), true);
//latitude=41.652146#longitude=123.427205#province=遼寧省#city=沈陽市#district=渾南區#cityCode=024#adCode=210112#address=遼寧省沈陽市渾南區創新一路靠近東北大學渾南校區#country=中國#road=創新一路#poiName=東北大學渾南校區#street=創新一路#streetNum=193號#aoiName=東北大學渾南校區#poiid=#floor=#errorCode=0#errorInfo=success#locationDetail=24 #csid:1cce9508143d493182a8da7745eb07b3#locationType=5
}
}
});
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
//點擊返回鍵時，將瀏覽器后退
if (keyCode == KeyEvent.KEYCODE_BACK) {
if (onSearch) {
showTitle();
return true;
} else
return super.onKeyDown(keyCode, event);
}
return super.onKeyDown(keyCode, event);
}
class MyHandler extends Handler {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case 0x001:
//加載listview中數據
adapter.notifyDataSetChanged();
break;
}
}
}
/**
* 自定義adpter
*/
class MyAdpter extends BaseAdapter {
@Override
public int getCount() {
return arrayList.size();
}
@Override
public Object getItem(int i) {
return arrayList.get(i);
}
@Override
public long getItemId(int i) {
return i;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
//布局加載器
LayoutInflater inflater = LayoutInflater.from(MapActivity.this);
//加載location_item布局
View view1 = inflater.inflate(R.layout.location_item, null);
//修改文字和字體
TextView v1 = (TextView) view1.findViewById(R.id.name);
TextView v2 = (TextView) view1.findViewById(R.id.sub);
ImageView iv = (ImageView) view1.findViewById(R.id.yes);
v1.setText(arrayList.get(i).getTitle());
v1.setTypeface(tf);
v2.setText(arrayList.get(i).getSnippet());
v2.setTypeface(tf);
if (selectIndex == i) {
iv.setVisibility(View.VISIBLE);
currentSelectItem = iv;
} else {
iv.setVisibility(View.INVISIBLE);
}
return view1;
}
}
/**
* 搜索poi
*
* @param key 關鍵字
* @param pageNum 頁碼
* @param cityCode 城市代碼，或者城市名稱
* @param nearby 是否搜索周邊
*/
void searchPoi(String key, int pageNum, String cityCode, boolean nearby) {
Log.e(ProConfig.TAG, key);
isPoiSearched = true;
query = new PoiSearch.Query(key, "", cityCode);
//keyWord表示搜索字符串，
//第二個參數表示POI搜索類型，二者選填其一，
//POI搜索類型共分為以下20種：汽車服務|汽車銷售|
//汽車維修|摩托車服務|餐飲服務|購物服務|生活服務|體育休閑服務|醫療保健服務|
//住宿服務|風景名勝|商務住宅|政府機構及社會團體|科教文化服務|交通設施服務|
//金融保險服務|公司企業|道路附屬設施|地名地址信息|公共設施
//cityCode表示POI搜索區域，可以是城市編碼也可以是城市名稱，也可以傳空字符串，空字符串代表全國在全國范圍內進行搜索
query.setPageSize(50);// 設置每頁最多返回多少條poiitem
query.setPageNum(pageNum);//設置查詢頁碼
poiSearch = new PoiSearch(this, query);
poiSearch.setOnPoiSearchListener(this);
if (nearby)
poiSearch.setBound(new PoiSearch.SearchBound(new LatLonPoint(mCurrentLat,
mCurrentLng), 1500));//設置周邊搜索的中心點以及半徑
poiSearch.searchPOIAsyn();
}
@Override
public void onPoiSearched(PoiResult poiResult, int i) {
int index = 0;
//填充數據，并更新listview
ArrayList<PoiItem> result = poiResult.getPois();
if (result.size() > 0) {
arrayList.clear();
selectIndex = -1;
arrayList.addAll(result);
myHandler.sendEmptyMessage(0x001);
}
for (PoiItem item : poiResult.getPois()) {
Log.e(ProConfig.TAG, item.toString());
Log.e(ProConfig.TAG, item.getDirection());
Log.e(ProConfig.TAG, item.getAdName());
}
}
@Override
public void onPoiItemSearched(PoiItem poiItem, int i) {
}
@Override
protected void onDestroy() {
super.onDestroy();
//在activity執行onDestroy時執行mMapView.onDestroy()，銷毀地圖
mMapView.onDestroy();
}
@Override
protected void onResume() {
super.onResume();
//在activity執行onResume時執行mMapView.onResume ()，重新繪制加載地圖
mMapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
//在activity執行onPause時執行mMapView.onPause ()，暫停地圖的繪制
mMapView.onPause();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
//在activity執行onSaveInstanceState時執行mMapView.onSaveInstanceState (outState)，保存地圖當前的狀態
mMapView.onSaveInstanceState(outState);
}
/**
* 顯示標題欄，即默認狀態
*/
void showTitle() {
//顯示標題欄
title.setVisibility(View.VISIBLE);
success.setVisibility(View.VISIBLE);
searchEt.setVisibility(View.GONE);
btn.setVisibility(View.GONE);
frameLayout.setLayoutParams(
new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.MATCH_PARENT,
5));
mMapView.setVisibility(View.VISIBLE);
onSearch = false;
closeKeyboard(this);
}
/**
* 隱藏標題欄，即進行搜索
*/
void hideTitle() {
//顯示搜索框
title.setVisibility(View.GONE);
success.setVisibility(View.GONE);
searchEt.setVisibility(View.VISIBLE);
btn.setVisibility(View.VISIBLE);
frameLayout.setLayoutParams(
new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.MATCH_PARENT,
50));
mMapView.setVisibility(View.GONE);
onSearch = true;
}
/**
* 強制關閉軟鍵盤
*/
public void closeKeyboard(Context context) {
InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm.isActive()) {
//如果開啟
imm.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(),
InputMethodManager.HIDE_NOT_ALWAYS);
//關閉軟鍵盤，開啟方法相同，這個方法是切換開啟與關閉狀態的
}
}
}
2、activity_map.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#e9e7ef"
android:orientation="vertical"
tools:context="com.hzstz.mymanager.MapActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_weight="1"
android:background="#009dff"
android:orientation="horizontal">
<ImageView
android:id="@+id/back"
android:layout_width="30dp"
android:layout_height="25dp"
android:layout_gravity="center_vertical"
android:layout_weight="6"
android:src="@drawable/left" />
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="80"
android:gravity="center"
android:text="@string/app_name"
android:textColor="#000"
android:textSize="25dp"
android:visibility="visible" />
<FrameLayout
android:id="@+id/searchLayout"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="5">
<EditText
android:id="@+id/search_input"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_gravity="center_vertical"
android:layout_marginTop="2dp"
android:hint="@string/app_name"
android:paddingStart="40dp"
android:visibility="gone" />
<ImageView
android:id="@+id/search"
android:layout_width="35dp"
android:layout_height="35dp"
android:layout_gravity="center_vertical"
android:paddingStart="10dp"
android:src="@drawable/search" />
</FrameLayout>
<Button
android:id="@+id/search_go_btn"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="@drawable/cling_button_normal"
android:text="搜索"
android:textColor="#fff"
android:visibility="gone" />
<ImageView
android:id="@+id/success"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_gravity="center_vertical"
android:layout_margin="5dp"
android:layout_weight="1"
android:src="@drawable/yes"
android:visibility="visible" />
</LinearLayout>
<com.amap.api.maps.MapView
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="750dp"
android:layout_weight="100" />
<ListView
android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="90"
android:background="#ffffff" />
</LinearLayout>
3、location.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="#fff" android:padding="10dp" android:orientation="horizontal"> <LinearLayout android:layout_width="match_parent" android:orientation="vertical" android:layout_weight="100" android:layout_height="wrap_content"> <TextView android:id="@+id/name" android:textSize="20dp" android:text="大會的反饋撒" android:textColor="#000" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/sub" android:textSize="15dp" android:text="大會的反饋撒" android:textColor="#808080" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout> <ImageView android:id="@+id/yes" android:layout_width="30dp" android:layout_height="30dp" android:layout_gravity="center" android:src="@drawable/location"/> </LinearLayout>
總結
以上所述是小編給大家介紹的Android基于高德地圖poi的仿微信獲取位置功能實例代碼，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對億速云網站的支持！
免責聲明：本站發布的內容（圖片、視頻和文字）以原創、轉載和分享為主，文章觀點不代表本網站立場，如果涉及侵權請聯系站長郵箱：is@yisu.com進行舉報，并提供相關證據，一經查實，將立刻刪除涉嫌侵權內容。
