可是你刚刚提供的代码出现
报错。目前SearchResultActivity代码如下：package com
.example
.bus;
import
android.Manifest;
import
android.content
.Intent;
import
android.content
.pm
.PackageManager;
import
android.os
.Bundle;
import
android.os
.Handler;
import
android.os
.Looper;
import
android.view
.View;
import
android.widget
.Button;
import
android.widget
.TextView;
import
android.widget
.Toast;
import
androidx
.annotation
.NonNull;
import
androidx
.appcompat
.app
.AppCompatActivity;
import
androidx
.core
.app
.ActivityCompat;
import
androidx
.core
.content
.ContextCompat;
import
androidx
.recyclerview
.widget
.LinearLayoutManager;
import
androidx
.recyclerview
.widget
.RecyclerView;
import com
.amap
.api
.maps
.AMap;
import com
.amap
.api
.maps
.CameraUpdateFactory;
import com
.amap
.api
.maps
.MapView;
import com
.amap
.api
.maps
.UiSettings;
import com
.amap
.api
.maps
.model
.LatLng;
import com
.amap
.api
.maps
.model
.Marker;
import com
.amap
.api
.maps
.model
.MarkerOptions;
import com
.amap
.api
.maps
.model
.MyLocationStyle;
import com
.amap
.api
.services
.core
.LatLonPoint;
import com
.amap
.api
.services
.core
.PoiItem;
import com
.amap
.api
.services
.poisearch
.PoiResult;
import com
.amap
.api
.services
.poisearch
.PoiSearch;
import com
.amap
.api
.services
.geocoder
.GeocodeSearch;
import com
.amap
.api
.services
.geocoder
.RegeocodeQuery;
import com
.amap
.api
.services
.geocoder
.RegeocodeResult;
import
android.text
.Editable;
import
android.text
.TextWatcher;
import
android.widget
.ArrayAdapter;
import
java.util
.ArrayList;
import
java.util
.List;
import
android.view
.inputmethod
.EditorInfo;
public class SearchResultActivity extends AppCompatActivity
implements PoiSearch
.OnPoiSearchListener, GeocodeSearch
.OnGeocodeSearchListener {
private Button searchBtn, goToBtn;
private RecyclerView resultListView;
private List<PoiItem> poiList = new ArrayList<>
();
private ResultAdapter adapter;
private PoiSearch poiSearch;
// 地图相关
private MapView mapView;
private AMap aMap;
private Marker selectedMarker; // 终点标记
// 输入提示
private GeocodeSearch geocodeSearch;
// 当前城市
private String currentCity = "全国";
// 是否已与地图交互（防止重复居中）
private boolean userHasInteracted = false;
private static final int LOCATION_PERMISSION_REQUEST_CODE = 1001;
// 空状态提示视图
private TextView emptyView;
// 【关键新增】保存定位得到的“我的位置”
private double myCurrentLat = 0;
private double myCurrentLng = 0;
private boolean isLocationReady = false; // 定位是否完成
// 缓存从 HomeFragment 传来的关键词，等待定位完成后使用
private String pendingKeyword = null;
// ✅ 新增：将搜索输入框提升为成员变量
private
android.widget
.AutoCompleteTextView searchInput;
@Override
protected void onCreate
(Bundle savedInstanceState
) {
super
.onCreate
(savedInstanceState
);
setContentView
(R
.layout
.activity_search_result
);
if
(getSupportActionBar
() != null
) {
getSupportActionBar
().setDisplayHomeAsUpEnabled
(true
);
getSupportActionBar
().setTitle
("搜索地点"
);
}
initViews
();
setupMap
(savedInstanceState
);
setupSearchSuggestion
();
try {
geocodeSearch = new GeocodeSearch
(this);
geocodeSearch
.setOnGeocodeSearchListener
(this);
} catch
(Exception e
) {
e
.printStackTrace
();
}
// ✅ 只缓存 keyword，不再尝试提前搜索
pendingKeyword = getIntent
().getStringExtra
("keyword"
);
}
private void initViews
() {
searchBtn = findViewById
(R
.id
.search_btn
);
resultListView = findViewById
(R
.id
.result_list
);
goToBtn = findViewById
(R
.id
.btn_go_to
);
emptyView = findViewById
(R
.id
.empty_view
);
searchInput = findViewById
(R
.id
.search_input
); // ✅ 初始化成员变量
goToBtn
.setEnabled
(false
);
adapter = new ResultAdapter
(poiList,
this::onPoiItemSelected
);
resultListView
.setLayoutManager
(new LinearLayoutManager
(this));
resultListView
.setAdapter
(adapter
);
resultListView
.setVisibility
(View
.GONE
);
emptyView
.setVisibility
(View
.GONE
);
// 修改：传递真实定位点
goToBtn
.setOnClickListener(v -> {
if
(selectedMarker == null
) {
Toast
.makeText
(this, "请先选择一个位置", Toast
.LENGTH_SHORT
).show
();
return;
}
LatLng targetPos = selectedMarker
.getPosition
();
// 确保定位已完成
if
(!isLocationReady
) {
Toast
.makeText
(this, "正在获取您的位置，请稍后再试", Toast
.LENGTH_SHORT
).show
();
return;
}
Intent intent = new Intent
(SearchResultActivity
.this, RoutePlanActivity
.class
);
intent
.putExtra
("start_lat", myCurrentLat
);
intent
.putExtra
("start_lng", myCurrentLng
);
intent
.putExtra
("target_lat", targetPos
.latitude
);
intent
.putExtra
("target_lng", targetPos
.longitude
);
intent
.putExtra
(RoutePlanActivity
.EXTRA_SOURCE, RoutePlanActivity
.SOURCE_FROM_SEARCH_RESULT
);
startActivity
(intent
);
finish
();
}
);
}
private void setupMap
(Bundle savedInstanceState
) {
mapView = findViewById
(R
.id
.map_view
);
mapView
.onCreate
(savedInstanceState
);
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else {
new Handler
(Looper
.getMainLooper
()).post
(() -> {
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else {
waitAMapReady
();
}
}
);
}
}
private void waitAMapReady
() {
new Handler
(Looper
.getMainLooper
()).postDelayed
(new Runnable
() {
int retry = 0;
@Override
public void run
() {
if
(mapView == null
) return;
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else if
(retry++ < 30
) {
new Handler
(Looper
.getMainLooper
()).postDelayed
(this, 100
);
}
}
}, 100
);
}
private void initMapSettings
() {
UiSettings uiSettings = aMap
.getUiSettings
();
uiSettings
.setZoomControlsEnabled
(true
);
uiSettings
.setCompassEnabled
(true
);
uiSettings
.setScrollGesturesEnabled
(true
);
uiSettings
.setMyLocationButtonEnabled
(true
);
aMap
.setOnMapClickListener
(latLng -> onCustomLocationSelected
(latLng
));
// 初始视野：中国中心
new Handler
(Looper
.getMainLooper
()).post
(() ->
aMap
.moveCamera
(CameraUpdateFactory
.newLatLngZoom
(new LatLng
(35
.8617, 104
.1954
), 4f
))
);
enableMyLocationLayer
();
}
private void enableMyLocationLayer
() {
if
(aMap == null
) return;
if
(ContextCompat
.checkSelfPermission
(this, Manifest
.permission
.ACCESS_FINE_LOCATION
)
== PackageManager
.PERMISSION_GRANTED
) {
MyLocationStyle myLocationStyle = new MyLocationStyle
();
myLocationStyle
.myLocationType
(MyLocationStyle
.LOCATION_TYPE_LOCATION_ROTATE_NO_CENTER
);
aMap
.setMyLocationStyle
(myLocationStyle
);
aMap
.setMyLocationEnabled
(true
);
AMap
.OnMyLocationChangeListener listener = location -> {
if
(location != null && !userHasInteracted
) {
LatLng curLatlng = new LatLng
(location
.getLatitude
(), location
.getLongitude
());
// 记录真实“我的位置”
myCurrentLat = location
.getLatitude
();
myCurrentLng = location
.getLongitude
();
isLocationReady = true;
// ✅ 先居中地图
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(curLatlng, 16f
), 500, null
);
userHasInteracted = true;
// 获取当前城市
LatLonPoint point = new LatLonPoint
(myCurrentLat, myCurrentLng
);
RegeocodeQuery query = new RegeocodeQuery
(point, 200, GeocodeSearch
.AMAP
);
try {
geocodeSearch
.getFromLocationAsyn
(query
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
// ✅ 关键修改：延迟 800ms 再触发搜索，给地图留出渲染时间
new Handler
(Looper
.getMainLooper
()).postDelayed
(() -> {
if
(pendingKeyword != null && !pendingKeyword
.isEmpty
()) {
performSearchWithKeyword
(pendingKeyword
);
}
}, 800
);
// 防止重复触发
aMap
.setOnMyLocationChangeListener
(null
);
}
};
aMap
.setOnMyLocationChangeListener
(listener
);
} else {
ActivityCompat
.requestPermissions
(this,
new String[]{Manifest
.permission
.ACCESS_FINE_LOCATION},
LOCATION_PERMISSION_REQUEST_CODE
);
}
}
@Override
public void onRequestPermissionsResult
(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults
) {
super
.onRequestPermissionsResult
(requestCode, permissions, grantResults
);
if
(requestCode == LOCATION_PERMISSION_REQUEST_CODE
) {
if
(grantResults
.length > 0 && grantResults[0] == PackageManager
.PERMISSION_GRANTED
) {
enableMyLocationLayer
();
} else {
Toast
.makeText
(this, "定位权限被拒绝，部分功能受限", Toast
.LENGTH_LONG
).show
();
currentCity = "全国";
}
}
}
private void setupSearchSuggestion
() {
RealTimePoiSuggestHelper suggestHelper = new RealTimePoiSuggestHelper
(this);
suggestHelper
.setCurrentCity
(currentCity
);
suggestHelper
.setLocationBias
(myCurrentLat, myCurrentLng
); // 使用定位偏置
suggestHelper
.setCallback
(suggestions -> {
if
(suggestions
.length > 0
) {
ArrayAdapter<String> adapter = new ArrayAdapter<>
(
this,
android.R
.layout
.simple_dropdown_item_1line,
suggestions
);
searchInput
.setAdapter
(adapter
);
searchInput
.showDropDown
();
}
}
);
Handler handler = new Handler
(Looper
.getMainLooper
());
Runnable[] pendingRunnable = {null};
searchInput
.addTextChangedListener
(new TextWatcher
() {
@Override
public void beforeTextChanged
(CharSequence s, int start, int count, int after
) {}
@Override
public void onTextChanged
(CharSequence s, int start, int before, int count
) {
if
(pendingRunnable[0] != null
) {
handler
.removeCallbacks
(pendingRunnable[0]
);
}
if
(s
.length
() == 0
) {
searchInput
.setAdapter
(null
);
return;
}
pendingRunnable[0] =
() -> suggestHelper
.requestSuggestions
(s
.toString
());
handler
.postDelayed
(pendingRunnable[0], 300
);
}
@Override
public void afterTextChanged
(Editable s
) {}
}
);
// 点击下拉建议项时，直接执行搜索
searchInput
.setOnItemClickListener
((parent, view, position, id
) -> {
String keyword =
(String
) parent
.getItemAtPosition
(position
);
if
(keyword != null && !keyword
.isEmpty
()) {
performSearch
(keyword
); // 触发真实搜索
}
}
);
searchInput
.setOnEditorActionListener
((v, actionId, event
) -> {
if
((actionId & EditorInfo
.IME_MASK_ACTION
) == EditorInfo
.IME_ACTION_SEARCH
) {
searchBtn
.performClick
();
return true;
}
return false;
}
);
searchBtn
.setOnClickListener(v -> {
String keyword = searchInput
.getText
().toString
().trim
();
if
(!keyword
.isEmpty
()) {
performSearch
(keyword
);
} else {
Toast
.makeText
(this, "请输入关键词", Toast
.LENGTH_SHORT
).show
();
}
}
);
}
// ✅ 修改：先设置文本，再模拟点击按钮（等价于用户操作）
private void performSearchWithKeyword
(String keyword
) {
searchInput
.setText
(keyword
);
searchInput
.clearFocus
();
searchBtn
.performClick
(); // ✅ 触发完整 UI 搜索流程
}
private void performSearch
(String keyword
) {
emptyView
.setText
("🔍 搜索中
..."
);
emptyView
.setVisibility
(View
.VISIBLE
);
resultListView
.setVisibility
(View
.GONE
);
PoiSearch
.Query query = new PoiSearch
.Query
(keyword, "", currentCity
);
query
.setPageSize
(20
);
query
.setPageNum
(0
);
if
(isLocationReady
) {
LatLonPoint lp = new LatLonPoint
(myCurrentLat, myCurrentLng
);
query
.setLocation
(lp
); // 告诉高德“我在哪”，让它自行加权
}
try {
poiSearch = new PoiSearch
(this, query
);
poiSearch
.setOnPoiSearchListener
(this);
poiSearch
.searchPOIAsyn
();
} catch
(Exception e
) {
Toast
.makeText
(this, "搜索失败", Toast
.LENGTH_SHORT
).show
();
emptyView
.setText
("⚠️ 未找到相关地点"
);
}
}
private void onPoiItemSelected
(PoiItem item
) {
LatLng latLng = new LatLng
(item
.getLatLonPoint
().getLatitude
(), item
.getLatLonPoint
().getLongitude
());
if
(selectedMarker != null
) {
selectedMarker
.remove
();
selectedMarker = null;
}
selectedMarker = aMap
.addMarker
(new MarkerOptions
()
.position
(latLng
)
.title
("终点：" + item
.getTitle
())
.icon
(com
.amap
.api
.maps
.model
.BitmapDescriptorFactory
.defaultMarker
(
com
.amap
.api
.maps
.model
.BitmapDescriptorFactory
.HUE_RED
)));
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(latLng, 14f
));
goToBtn
.setEnabled
(true
);
}
private void onCustomLocationSelected
(LatLng latLng
) {
if
(selectedMarker != null
) {
selectedMarker
.remove
();
}
selectedMarker = aMap
.addMarker
(new MarkerOptions
()
.position
(latLng
)
.title
("终点：自定义位置"
)
.icon
(com
.amap
.api
.maps
.model
.BitmapDescriptorFactory
.defaultMarker
(
com
.amap
.api
.maps
.model
.BitmapDescriptorFactory
.HUE_RED
)));
goToBtn
.setEnabled
(true
);
}
@Override
public void onPoiSearched
(PoiResult result, int rCode
) {
if
(rCode == 1000 && result != null && result
.getPois
() != null && !result
.getPois
().isEmpty
()) {
List<PoiItemWithScore> rankedList = new ArrayList<>
();
String keyword = searchInput
.getText
().toString
().trim
();
float[] distance = new float[1];
LatLng userPos = isLocationReady ?
new LatLng
(myCurrentLat, myCurrentLng
) :
new LatLng
(35
.8617, 104
.1954
);
for
(PoiItem item : result
.getPois
()) {
String title = item
.getTitle
().toLowerCase
();
String key = keyword
.toLowerCase
();
int matchScore = 0;
if
(title
.equals
(key
)) matchScore = 3;
else if
(title
.startsWith
(key
)) matchScore = 2;
else if
(title
.contains
(key
)) matchScore = 1;
else continue;
LatLonPoint lp = item
.getLatLonPoint
();
android.location
.Location
.distanceBetween
(
userPos
.latitude, userPos
.longitude,
lp
.getLatitude
(), lp
.getLongitude
(),
distance
);
rankedList
.add
(new PoiItemWithScore
(item, matchScore, distance[0]
));
}
rankedList
.sort
((a, b
) -> {
if
(a
.matchScore != b
.matchScore
) {
return Integer
.compare
(b
.matchScore, a
.matchScore
);
}
return Float
.compare
(a
.distance, b
.distance
);
}
);
List<PoiItem> sortedList = new ArrayList<>
();
for
(PoiItemWithScore rp : rankedList
) {
sortedList
.add
(rp
.item
);
}
poiList
.clear
();
poiList
.addAll
(sortedList
);
adapter
.notifyDataSetChanged
();
resultListView
.scrollToPosition
(0
);
resultListView
.setVisibility
(View
.VISIBLE
);
emptyView
.setVisibility
(View
.GONE
);
adapter
.setSelected
(0
);
onPoiItemSelected
(poiList
.get
(0
));
} else {
emptyView
.setText
("⚠️ 未找到相关地点"
);
emptyView
.setVisibility
(View
.VISIBLE
);
resultListView
.setVisibility
(View
.GONE
);
}
}
// 新增辅助类
private static class PoiItemWithScore {
final PoiItem item;
final int matchScore;
final float distance;
PoiItemWithScore
(PoiItem item, int matchScore, float distance
) {
this.item = item;
this.matchScore = matchScore;
this.distance = distance;
}
}
@Override
public void onPoiItemSearched
(PoiItem item, int rCode
) {
// 必须实现
}
@Override
public void onRegeocodeSearched
(RegeocodeResult result, int rCode
) {
if
(rCode == 1000 && result != null && result
.getRegeocodeAddress
() != null
) {
String city = result
.getRegeocodeAddress
().getCity
();
currentCity =
(city != null && !city
.isEmpty
()) ? city : result
.getRegeocodeAddress
().getProvince
();
} else {
currentCity = "全国";
}
}
@Override
public void onGeocodeSearched
(com
.amap
.api
.services
.geocoder
.GeocodeResult geocodeResult, int i
) {
// 忽略
}
@Override
protected void onResume
() {
super
.onResume
();
mapView
.onResume
();
}
@Override
protected void onPause
() {
super
.onPause
();
mapView
.onPause
();
}
@Override
protected void onDestroy
() {
super
.onDestroy
();
mapView
.onDestroy
();
geocodeSearch = null;
}
@Override
protected void onSaveInstanceState
(@NonNull Bundle outState
) {
super
.onSaveInstanceState
(outState
);
mapView
.onSaveInstanceState
(outState
);
}
@Override
public boolean onSupportNavigateUp
() {
onBackPressed
();
return true;
}
}
报错：Ambiguous method call: both 'RealTimePoiSuggestHelper
.requestSuggestions
(String
)' and 'RealTimePoiSuggestHelper
.requestSuggestions
(String
)' match
同样的，MapFragment代码如下：package com
.example
.bus
.ui
.map;
import
android.Manifest;
import
android.content
.Context;
import
android.content
.Intent;
import
android.content
.pm
.PackageManager;
import
android.os
.Bundle;
import
android.os
.Handler;
import
android.os
.Looper;
import
android.text
.Editable;
import
android.view
.LayoutInflater;
import
android.view
.View;
import
android.view
.ViewGroup;
import
android.view
.inputmethod
.InputMethodManager;
import
android.widget
.ArrayAdapter;
import
android.widget
.Toast;
import
androidx
.annotation
.NonNull;
import
androidx
.core
.app
.ActivityCompat;
import
androidx
.core
.content
.ContextCompat;
import
androidx
.fragment
.app
.Fragment;
import
androidx
.recyclerview
.widget
.LinearLayoutManager;
// 用于动态修改约束
import
androidx
.constraintlayout
.widget
.ConstraintSet;
// 用于设置 Marker 颜色
import com
.amap
.api
.maps
.model
.BitmapDescriptorFactory;
import com
.amap
.api
.maps
.AMap;
import com
.amap
.api
.maps
.CameraUpdateFactory;
import com
.amap
.api
.maps
.MapView;
import com
.amap
.api
.maps
.UiSettings;
import com
.amap
.api
.maps
.model
.LatLng;
import com
.amap
.api
.maps
.model
.Marker;
import com
.amap
.api
.maps
.model
.MarkerOptions;
import com
.amap
.api
.maps
.model
.MyLocationStyle;
import com
.amap
.api
.services
.core
.LatLonPoint;
import com
.amap
.api
.services
.core
.PoiItem;
import com
.amap
.api
.services
.poisearch
.PoiResult;
import com
.amap
.api
.services
.poisearch
.PoiSearch;
import com
.amap
.api
.services
.geocoder
.GeocodeSearch;
import com
.amap
.api
.services
.geocoder
.RegeocodeQuery;
import com
.amap
.api
.services
.geocoder
.RegeocodeResult;
import com
.example
.bus
.R;
import com
.example
.bus
.RealTimePoiSuggestHelper;
import com
.example
.bus
.RoutePlanActivity;
import com
.example
.bus
.ResultAdapter;
import com
.example
.bus
.databinding
.FragmentMapBinding;
import
java.util
.ArrayList;
import
java.util
.List;
// ✅ 新增导入
import
android.view
.inputmethod
.EditorInfo;
public class MapFragment extends Fragment implements PoiSearch
.OnPoiSearchListener, GeocodeSearch
.OnGeocodeSearchListener {
private FragmentMapBinding binding;
private MapView mapView;
private AMap aMap;
// 数据
private List<PoiItem> poiList = new ArrayList<>
();
private ResultAdapter adapter;
private PoiSearch poiSearch;
// 当前阶段：1=选择起点, 2=选择终点
private int selectionStage = 0;
// 缓存已选 POI
private PoiItem selectedStartPoi = null;
private PoiItem selectedEndPoi = null;
private Marker startMarker = null;
private Marker endMarker = null;
// 缓存关键词
private String lastStartKeyword = "";
private String lastEndKeyword = "";
// ✅ 当前城市
private String currentCity = "全国";
private static final int LOCATION_PERMISSION_REQUEST_CODE = 1001;
// ✅ 标记是否已居中我的位置
private boolean userHasInteracted = false;
// ✅ 反地理编码
private GeocodeSearch geocodeSearch;
// 【关键新增】保存定位得到的“我的位置”
private double myCurrentLat = 0;
private double myCurrentLng = 0;
private boolean isLocationReady = false; // 定位是否完成
@Override
public View onCreateView
(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState
) {
binding = FragmentMapBinding
.inflate
(inflater, container, false
);
View root = binding
.getRoot
();
mapView = binding
.mapView;
mapView
.onCreate
(savedInstanceState
);
initViews
();
setupMap
(savedInstanceState
);
setupSearchSuggestion
(); // 包含输入建议、防抖、回车事件
return root;
}
private void initViews
() {
adapter = new ResultAdapter
(poiList,
this::onPoiItemSelected
);
binding
.resultList
.setLayoutManager
(new LinearLayoutManager
(requireContext
()));
binding
.resultList
.setAdapter
(adapter
);
binding
.mapSearch
.setOnClickListener(v -> performSearch
());
binding
.btnSwitchTarget
.setOnClickListener(v -> {
if
(selectionStage == 1
) {
showEndpointSelection
(binding
.mapInput2
.getText
().toString
().trim
());
} else if
(selectionStage == 2
) {
showStartpointSelection
(binding
.mapInput1
.getText
().toString
().trim
());
}
}
);
binding
.btnGoTo
.setOnClickListener(v -> {
if
(selectedStartPoi != null && selectedEndPoi != null
) {
Intent intent = new Intent
(requireContext
(), RoutePlanActivity
.class
);
intent
.putExtra
(RoutePlanActivity
.EXTRA_SOURCE, RoutePlanActivity
.SOURCE_FROM_MAP_DIRECT
);
intent
.putExtra
("start_lat", selectedStartPoi
.getLatLonPoint
().getLatitude
());
intent
.putExtra
("start_lng", selectedStartPoi
.getLatLonPoint
().getLongitude
());
intent
.putExtra
("target_lat", selectedEndPoi
.getLatLonPoint
().getLatitude
());
intent
.putExtra
("target_lng", selectedEndPoi
.getLatLonPoint
().getLongitude
());
intent
.putExtra
("target_title", selectedEndPoi
.getTitle
());
startActivity
(intent
);
} else {
Toast
.makeText
(requireContext
(), "请完成起点和终点的选择", Toast
.LENGTH_SHORT
).show
();
}
}
);
}
private void performSearch
() {
String startKeyword = binding
.mapInput1
.getText
().toString
().trim
();
String endKeyword = binding
.mapInput2
.getText
().toString
().trim
();
if
(startKeyword
.isEmpty
()) {
Toast
.makeText
(requireContext
(), "请输入起点", Toast
.LENGTH_SHORT
).show
();
return;
}
if
(endKeyword
.isEmpty
()) {
Toast
.makeText
(requireContext
(), "请输入终点", Toast
.LENGTH_SHORT
).show
();
return;
}
// 智能判断跳过搜索
if
(startKeyword
.equals
(lastStartKeyword
) &&
endKeyword
.equals
(lastEndKeyword
) &&
selectedStartPoi != null &&
selectedEndPoi != null
) {
binding
.btnGoTo
.performClick
();
return;
}
// 展示 UI
binding
.containerResultList
.setVisibility
(View
.VISIBLE
);
binding
.buttonGroup
.setVisibility
(View
.VISIBLE
);
// 动态压缩地图区域
ConstraintSet constraintSet = new ConstraintSet
();
constraintSet
.clone
(binding
.getRoot
());
constraintSet
.connect
(
R
.id
.map_view, ConstraintSet
.BOTTOM,
R
.id
.container_result_list, ConstraintSet
.TOP,
0
);
constraintSet
.applyTo
(binding
.getRoot
());
userHasInteracted = true;
// 隐藏软键盘
View currentFocus = requireActivity
().getCurrentFocus
();
if
(currentFocus != null
) {
currentFocus
.clearFocus
();
InputMethodManager imm =
(InputMethodManager
) requireContext
().getSystemService
(Context
.INPUT_METHOD_SERVICE
);
imm
.hideSoftInputFromWindow
(currentFocus
.getWindowToken
(), 0
);
}
// 执行搜索
if
(!startKeyword
.equals
(lastStartKeyword
)) {
lastStartKeyword = startKeyword;
lastEndKeyword = endKeyword;
showStartpointSelection
(startKeyword
);
} else if
(!endKeyword
.equals
(lastEndKeyword
)) {
lastEndKeyword = endKeyword;
showEndpointSelection
(endKeyword
);
} else if
(selectedStartPoi == null
) {
showStartpointSelection
(startKeyword
);
} else {
showEndpointSelection
(endKeyword
);
}
}
// ✅ 显示“搜索起点中
...”
private void showStartpointSelection
(String keyword
) {
selectionStage = 1;
binding
.btnSwitchTarget
.setText
("前往选择终点"
);
binding
.btnGoTo
.setEnabled
(false
);
binding
.emptyView
.setText
("🔍 搜索起点中
..."
);
binding
.emptyView
.setVisibility
(View
.VISIBLE
);
binding
.resultList
.setVisibility
(View
.GONE
);
doSearch
(keyword
);
}
// ✅ 显示“搜索终点中
...”
private void showEndpointSelection
(String keyword
) {
selectionStage = 2;
binding
.btnSwitchTarget
.setText
("回到选择起点"
);
binding
.btnGoTo
.setEnabled
(false
);
binding
.emptyView
.setText
("🔍 搜索终点中
..."
);
binding
.emptyView
.setVisibility
(View
.VISIBLE
);
binding
.resultList
.setVisibility
(View
.GONE
);
doSearch
(keyword
);
}
private void doSearch
(String keyword
) {
if
(keyword
.isEmpty
()) return;
PoiSearch
.Query query = new PoiSearch
.Query
(keyword, "", currentCity
);
query
.setPageSize
(20
);
query
.setPageNum
(0
);
// ✅ 使用缓存的位置（仅当真实定位完成后）
if
(isLocationReady
) {
LatLonPoint lp = new LatLonPoint
(myCurrentLat, myCurrentLng
);
query
.setLocation
(lp
); // 让高德根据“我在哪”智能排序
}
try {
poiSearch = new PoiSearch
(requireContext
(), query
);
poiSearch
.setOnPoiSearchListener
(this);
poiSearch
.searchPOIAsyn
();
} catch
(Exception e
) {
e
.printStackTrace
();
Toast
.makeText
(requireContext
(), "搜索失败", Toast
.LENGTH_SHORT
).show
();
}
}
private void onPoiItemSelected
(PoiItem item
) {
LatLng latLng = new LatLng
(item
.getLatLonPoint
().getLatitude
(), item
.getLatLonPoint
().getLongitude
());
if
(selectionStage == 1
) {
if
(startMarker != null
) {
startMarker
.remove
();
startMarker = null;
}
startMarker = aMap
.addMarker
(new MarkerOptions
()
.position
(latLng
)
.title
("起点：" + item
.getTitle
())
.icon
(BitmapDescriptorFactory
.defaultMarker
(BitmapDescriptorFactory
.HUE_GREEN
)));
selectedStartPoi = item;
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(latLng, 14f
));
updateGoToButtonState
();
} else if
(selectionStage == 2
) {
if
(endMarker != null
) {
endMarker
.remove
();
endMarker = null;
}
endMarker = aMap
.addMarker
(new MarkerOptions
()
.position
(latLng
)
.title
("终点：" + item
.getTitle
())
.icon
(BitmapDescriptorFactory
.defaultMarker
(BitmapDescriptorFactory
.HUE_RED
)));
selectedEndPoi = item;
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(latLng, 14f
));
updateGoToButtonState
();
}
userHasInteracted = true;
}
private void updateGoToButtonState
() {
binding
.btnGoTo
.setEnabled
(selectedStartPoi != null && selectedEndPoi != null
);
}
@Override
public void onPoiSearched
(PoiResult result, int rCode
) {
if
(rCode == 1000 && result != null && result
.getPois
() != null && !result
.getPois
().isEmpty
()) {
List<PoiItemWithScore> rankedList = new ArrayList<>
();
String keyword = getCurrentInputKeyword
(); // 获取当前输入框文本
float[] distance = new float[1];
LatLng userPos = isLocationReady ?
new LatLng
(myCurrentLat, myCurrentLng
) :
new LatLng
(39
.909186, 116
.397411
);
for
(PoiItem item : result
.getPois
()) {
String title = item
.getTitle
().toLowerCase
();
String key = keyword
.toLowerCase
();
int matchScore = 0;
if
(title
.equals
(key
)) matchScore = 3;
else if
(title
.startsWith
(key
)) matchScore = 2;
else if
(title
.contains
(key
)) matchScore = 1;
else continue;
LatLonPoint lp = item
.getLatLonPoint
();
android.location
.Location
.distanceBetween
(
userPos
.latitude, userPos
.longitude,
lp
.getLatitude
(), lp
.getLongitude
(),
distance
);
rankedList
.add
(new PoiItemWithScore
(item, matchScore, distance[0]
));
}
rankedList
.sort
((a, b
) -> {
if
(a
.matchScore != b
.matchScore
) {
return Integer
.compare
(b
.matchScore, a
.matchScore
);
}
return Float
.compare
(a
.distance, b
.distance
);
}
);
List<PoiItem> sortedList = new ArrayList<>
();
for
(PoiItemWithScore rp : rankedList
) {
sortedList
.add
(rp
.item
);
}
poiList
.clear
();
poiList
.addAll
(sortedList
);
adapter
.notifyDataSetChanged
();
binding
.resultList
.scrollToPosition
(0
);
binding
.emptyView
.setVisibility
(View
.GONE
);
binding
.resultList
.setVisibility
(View
.VISIBLE
);
adapter
.setSelected
(0
);
onPoiItemSelected
(poiList
.get
(0
));
} else {
handleSearchError
(rCode
);
binding
.emptyView
.setText
(selectionStage == 1 ? "⚠️ 未找到相关起点" : "⚠️ 未找到相关终点"
);
binding
.emptyView
.setVisibility
(View
.VISIBLE
);
binding
.resultList
.setVisibility
(View
.GONE
);
}
}
// 辅助方法：获取当前阶段的关键词
private String getCurrentInputKeyword
() {
return selectionStage == 1 ?
binding
.mapInput1
.getText
().toString
().trim
() :
binding
.mapInput2
.getText
().toString
().trim
();
}
// 新增：排序用辅助类（放在 MapFragment 类末尾即可）
private static class PoiItemWithScore {
final PoiItem item;
final int matchScore;
final float distance;
PoiItemWithScore
(PoiItem item, int matchScore, float distance
) {
this.item = item;
this.matchScore = matchScore;
this.distance = distance;
}
}
@Override
public void onPoiItemSearched
(PoiItem item, int rCode
) {
// 必须实现
}
private void setupMap
(Bundle savedInstanceState
) {
mapView
.onCreate
(savedInstanceState
);
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else {
new Handler
(Looper
.getMainLooper
()).post
(() -> {
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else {
waitAMapReady
();
}
}
);
}
try {
geocodeSearch = new GeocodeSearch
(requireContext
());
geocodeSearch
.setOnGeocodeSearchListener
(this);
} catch
(Exception e
) {
e
.printStackTrace
();
}
}
private void waitAMapReady
() {
new Handler
(Looper
.getMainLooper
()).postDelayed
(new Runnable
() {
int retry = 0;
@Override
public void run
() {
if
(mapView == null
) return;
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else if
(retry++ < 30
) {
new Handler
(Looper
.getMainLooper
()).postDelayed
(this, 100
);
}
}
}, 100
);
}
private void initMapSettings
() {
UiSettings uiSettings = aMap
.getUiSettings
();
uiSettings
.setZoomControlsEnabled
(true
);
uiSettings
.setCompassEnabled
(true
);
uiSettings
.setScrollGesturesEnabled
(true
);
uiSettings
.setMyLocationButtonEnabled
(true
);
new Handler
(Looper
.getMainLooper
()).post
(() ->
aMap
.moveCamera
(CameraUpdateFactory
.newLatLngZoom
(new LatLng
(39
.909186, 116
.397411
), 10f
))
);
enableMyLocationLayer
();
}
private void enableMyLocationLayer
() {
if
(aMap == null
) return;
if
(ContextCompat
.checkSelfPermission
(requireContext
(), Manifest
.permission
.ACCESS_FINE_LOCATION
)
== PackageManager
.PERMISSION_GRANTED
) {
MyLocationStyle myLocationStyle = new MyLocationStyle
();
myLocationStyle
.myLocationType
(MyLocationStyle
.LOCATION_TYPE_LOCATION_ROTATE_NO_CENTER
);
aMap
.setMyLocationStyle
(myLocationStyle
);
aMap
.setMyLocationEnabled
(true
);
AMap
.OnMyLocationChangeListener listener = location -> {
if
(location != null && !userHasInteracted
) {
LatLng curLatlng = new LatLng
(location
.getLatitude
(), location
.getLongitude
());
// ✅ 记录真实位置
myCurrentLat = location
.getLatitude
();
myCurrentLng = location
.getLongitude
();
isLocationReady = true;
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(curLatlng, 16f
));
userHasInteracted = true;
// 获取城市
LatLonPoint point = new LatLonPoint
(myCurrentLat, myCurrentLng
);
RegeocodeQuery query = new RegeocodeQuery
(point, 200, GeocodeSearch
.AMAP
);
try {
geocodeSearch
.getFromLocationAsyn
(query
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
aMap
.setOnMyLocationChangeListener
(null
);
}
};
aMap
.setOnMyLocationChangeListener
(listener
);
} else {
ActivityCompat
.requestPermissions
(requireActivity
(),
new String[]{Manifest
.permission
.ACCESS_FINE_LOCATION},
LOCATION_PERMISSION_REQUEST_CODE
);
}
}
@Override
public void onRequestPermissionsResult
(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults
) {
if
(requestCode == LOCATION_PERMISSION_REQUEST_CODE
) {
if
(grantResults
.length > 0 && grantResults[0] == PackageManager
.PERMISSION_GRANTED
) {
if
(aMap != null
) {
MyLocationStyle myLocationStyle = new MyLocationStyle
();
myLocationStyle
.myLocationType
(MyLocationStyle
.LOCATION_TYPE_LOCATION_ROTATE_NO_CENTER
);
aMap
.setMyLocationStyle
(myLocationStyle
);
aMap
.setMyLocationEnabled
(true
);
AMap
.OnMyLocationChangeListener listener = location -> {
if
(location != null && !userHasInteracted
) {
LatLng curLatlng = new LatLng
(location
.getLatitude
(), location
.getLongitude
());
// ✅ 同步记录位置
myCurrentLat = location
.getLatitude
();
myCurrentLng = location
.getLongitude
();
isLocationReady = true;
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(curLatlng, 16f
));
userHasInteracted = true;
LatLonPoint point = new LatLonPoint
(myCurrentLat, myCurrentLng
);
RegeocodeQuery query = new RegeocodeQuery
(point, 200, GeocodeSearch
.AMAP
);
try {
geocodeSearch
.getFromLocationAsyn
(query
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
aMap
.setOnMyLocationChangeListener
(null
);
}
};
aMap
.setOnMyLocationChangeListener
(listener
);
}
} else {
Toast
.makeText
(requireContext
(), "定位权限被拒绝，部分功能受限", Toast
.LENGTH_LONG
).show
();
currentCity = "全国";
}
}
}
@Override
public void onRegeocodeSearched
(RegeocodeResult result, int rCode
) {
if
(rCode == 1000 && result != null && result
.getRegeocodeAddress
() != null
) {
String city = result
.getRegeocodeAddress
().getCity
();
currentCity =
(city != null && !city
.isEmpty
()) ? city : result
.getRegeocodeAddress
().getProvince
();
} else {
currentCity = "全国";
}
}
@Override
public void onGeocodeSearched
(com
.amap
.api
.services
.geocoder
.GeocodeResult geocodeResult, int i
) {
// 忽略
}
@Override
public void onResume
() {
super
.onResume
();
mapView
.onResume
();
if
(!userHasInteracted
) {
enableMyLocationLayer
();
}
}
@Override
public void onPause
() {
super
.onPause
();
mapView
.onPause
();
}
@Override
public void onDestroyView
() {
super
.onDestroyView
();
mapView
.onDestroy
();
geocodeSearch = null;
binding = null;
}
@Override
public void onSaveInstanceState
(@NonNull Bundle outState
) {
super
.onSaveInstanceState
(outState
);
mapView
.onSaveInstanceState
(outState
);
}
// ✅ 完整保留原始的 setupSearchSuggestion 实现
private void setupSearchSuggestion
() {
// 创建实时 POI 建议助手
RealTimePoiSuggestHelper suggestHelper = new RealTimePoiSuggestHelper
(requireContext
());
suggestHelper
.setCurrentCity
(currentCity
);
suggestHelper
.setCallback
(suggestions -> {
if
(suggestions
.length > 0
) {
ArrayAdapter<String> adapter = new ArrayAdapter<>
(
requireContext
(),
android.R
.layout
.simple_dropdown_item_1line,
suggestions
);
new Handler
(Looper
.getMainLooper
()).post
(() -> {
binding
.mapInput1
.setAdapter
(adapter
);
binding
.mapInput2
.setAdapter
(adapter
);
if
(requireActivity
().getCurrentFocus
() == binding
.mapInput1
) {
binding
.mapInput1
.showDropDown
();
} else if
(requireActivity
().getCurrentFocus
() == binding
.mapInput2
) {
binding
.mapInput2
.showDropDown
();
}
}
);
}
}
);
Handler handler = new Handler
(Looper
.getMainLooper
());
Runnable[] pending1 = {null}, pending2 = {null};
// 使用 SimpleTextWatcher 简化注册
binding
.mapInput1
.addTextChangedListener
(new SimpleTextWatcher
(s -> {
if
(pending1[0] != null
) handler
.removeCallbacks
(pending1[0]
);
if
(s
.length
() == 0
) {
binding
.mapInput1
.setAdapter
(null
);
return;
}
pending1[0] =
() -> suggestHelper
.requestSuggestions
(s
.toString
());
handler
.postDelayed
(pending1[0], 300
);
}
));
binding
.mapInput2
.addTextChangedListener
(new SimpleTextWatcher
(s -> {
if
(pending2[0] != null
) handler
.removeCallbacks
(pending2[0]
);
if
(s
.length
() == 0
) {
binding
.mapInput2
.setAdapter
(null
);
return;
}
pending2[0] =
() -> suggestHelper
.requestSuggestions
(s
.toString
());
handler
.postDelayed
(pending2[0], 300
);
}
));
// 点击建议项时触发对应阶段的搜索
binding
.mapInput1
.setOnItemClickListener
((parent, view, position, id
) -> {
String keyword =
(String
) parent
.getItemAtPosition
(position
);
if
(keyword != null && !keyword
.isEmpty
()) {
binding
.mapInput1
.setText
(keyword
);
showStartpointSelection
(keyword
); // 直接触发起点搜索
}
}
);
binding
.mapInput2
.setOnItemClickListener
((parent, view, position, id
) -> {
String keyword =
(String
) parent
.getItemAtPosition
(position
);
if
(keyword != null && !keyword
.isEmpty
()) {
binding
.mapInput2
.setText
(keyword
);
showEndpointSelection
(keyword
); // 直接触发终点搜索
}
}
);
// 回车事件保持不变
binding
.mapInput1
.setOnEditorActionListener
((v, actionId, event
) -> {
if
((actionId & EditorInfo
.IME_MASK_ACTION
) == EditorInfo
.IME_ACTION_SEARCH
) {
performSearch
();
return true;
}
return false;
}
);
binding
.mapInput2
.setOnEditorActionListener
((v, actionId, event
) -> {
if
((actionId & EditorInfo
.IME_MASK_ACTION
) == EditorInfo
.IME_ACTION_SEARCH
) {
performSearch
();
return true;
}
return false;
}
);
}
private void handleSearchError
(int rCode
) {
String msg;
switch
(rCode
) {
case 12: msg = "API Key 错误"; break;
case 27: msg = "网络连接失败"; break;
case 30: msg = "SHA1 或包名错误"; break;
case 33: msg = "请求频繁"; break;
default: msg = "搜索失败: " + rCode; break;
}
Toast
.makeText
(requireContext
(), msg, Toast
.LENGTH_SHORT
).show
();
}
// ✅ 自定义 TextWatcher 类，保留原始写法
private static class SimpleTextWatcher implements
android.text
.TextWatcher {
private final
java.util
.function
.Consumer<CharSequence> onTextChanged;
public SimpleTextWatcher
(java.util
.function
.Consumer<CharSequence> onTextChanged
) {
this.onTextChanged = onTextChanged;
}
@Override
public void beforeTextChanged
(CharSequence s, int start, int count, int after
) {}
@Override
public void afterTextChanged
(Editable s
) {}
@Override
public void onTextChanged
(CharSequence s, int start, int before, int count
) {
onTextChanged
.accept
(s
);
}
}
}
出现
报错：Ambiguous method call: both 'RealTimePoiSuggestHelper
.requestSuggestions
(String
)' and 'RealTimePoiSuggestHelper
.requestSuggestions
(String
)' match
还有RealTimePoiSuggestHelper代码如下：package com
.example
.bus;
import
android.content
.Context;
import
android.os
.Handler;
import
android.os
.Looper;
import
androidx
.annotation
.NonNull;
import com
.amap
.api
.services
.core
.LatLonPoint;
import com
.amap
.api
.services
.poisearch
.PoiResult;
import com
.amap
.api
.services
.poisearch
.PoiSearch;
import com
.amap
.api
.services
.poisearch
.PoiSearch
.OnPoiSearchListener;
import
java.util
.ArrayList;
import
java.util
.List;
public class RealTimePoiSuggestHelper implements OnPoiSearchListener {
private final Context context;
private final Handler mainHandler = new Handler
(Looper
.getMainLooper
());
private PoiSearch poiSearch;
private SuggestionCallback callback;
private String currentCity = "全国";
private double lat = 0, lng = 0;
private boolean useLocationBias = false;
public interface SuggestionCallback {
void onSuggestionsReady
(String[] suggestions
);
}
public RealTimePoiSuggestHelper
(Context context
) {
this.context = context;
}
public void setCurrentCity
(String city
) {
this.currentCity = city;
}
public void setLocationBias
(double lat, double lng
) {
this.lat = lat;
this.lng = lng;
this.useLocationBias = true;
}
public void setCallback
(SuggestionCallback callback
) {
this.callback = callback;
}
public void requestSuggestions
(String keyword
) {
if
(keyword
.isEmpty
() || callback == null
) return;
PoiSearch
.Query query = new PoiSearch
.Query
(keyword, "", currentCity
);
query
.setPageSize
(20
);
query
.requireSubPois
(false
);
if
(useLocationBias && lat != 0 && lng != 0
) {
LatLonPoint lp = new LatLonPoint
(lat, lng
);
query
.setLocation
(lp
);
}
try {
poiSearch = new PoiSearch
(context, query
);
poiSearch
.setOnPoiSearchListener
(this);
poiSearch
.searchPOIAsyn
();
} catch
(Exception e
) {
e
.printStackTrace
();
notifyEmpty
();
}
}
@Override
public void onPoiSearched
(PoiResult result, int rCode
) {
if
(rCode == 1000 && result != null && result
.getPois
() != null && !result
.getPois
().isEmpty
()) {
List<PoiItemWithScore> rankedList = new ArrayList<>
();
float[] distance = new float[1];
for
(com
.amap
.api
.services
.core
.PoiItem item : result
.getPois
()) {
String title = item
.getTitle
().toLowerCase
();
String key = keyword
.toLowerCase
();
// 匹配评分
int matchScore = 0;
if
(title
.equals
(key
)) matchScore = 3;
else if
(title
.startsWith
(key
)) matchScore = 2;
else if
(title
.contains
(key
)) matchScore = 1;
else continue; // 不包含直接跳过
// 计算距离
if
(useLocationBias && lat != 0 && lng != 0
) {
LatLonPoint lp = item
.getLatLonPoint
();
android.location
.Location
.distanceBetween
(lat, lng, lp
.getLatitude
(), lp
.getLongitude
(), distance
);
} else {
distance[0] = 0; // 默认为0不影响排序
}
rankedList
.add
(new PoiItemWithScore
(item, matchScore, distance[0]
));
}
// 排序：匹配度高 → 距离近
rankedList
.sort
((a, b
) -> {
if
(a
.matchScore != b
.matchScore
) {
return Integer
.compare
(b
.matchScore, a
.matchScore
);
}
return Float
.compare
(a
.distance, b
.distance
);
}
);
// 取前8个作为建议
int count = Math
.min
(rankedList
.size
(), 8
);
String[] suggestions = new String[count];
for
(int i = 0; i < count; i++
) {
suggestions[i] = rankedList
.get
(i
).item
.getTitle
();
}
notifySuccess
(suggestions
);
} else {
notifyEmpty
();
}
}
@Override
public void onPoiItemSearched
(com
.amap
.api
.services
.core
.PoiItem item, int rCode
) {
// 忽略
}
private void notifySuccess
(@NonNull String[] suggestions
) {
mainHandler
.post
(() -> callback
.onSuggestionsReady
(suggestions
));
}
private void notifyEmpty
() {
mainHandler
.post
(() -> callback
.onSuggestionsReady
(new String[0]
));
}
// 辅助类：用于排序
private static class PoiItemWithScore {
final com
.amap
.api
.services
.core
.PoiItem item;
final int matchScore;
final float distance;
PoiItemWithScore
(com
.amap
.api
.services
.core
.PoiItem item, int matchScore, float distance
) {
this.item = item;
this.matchScore = matchScore;
this.distance = distance;
}
}
// 缓存关键词（用于排序）
private String keyword = "";
public void requestSuggestions
(String keyword
) {
this.keyword = keyword; // 存储关键词用于后续比较
if
(keyword
.isEmpty
() || callback == null
) return;
//
... 原始逻辑不变
...
}
}
出现
报错'requestSuggestions
(String
)' is already defined in 'com
.example
.bus
.RealTimePoiSuggestHelper'。我不知道你刚刚对我的RealTimePoiSuggestHelper改了多少，这是我原来的RealTimePoiSuggestHelper代码：
package com
.example
.bus;
import
android.content
.Context;
import
android.os
.Handler;
import
android.os
.Looper;
import
androidx
.annotation
.NonNull;
import com
.amap
.api
.services
.core
.LatLonPoint;
import com
.amap
.api
.services
.poisearch
.PoiResult;
import com
.amap
.api
.services
.poisearch
.PoiSearch;
import com
.amap
.api
.services
.poisearch
.PoiSearch
.OnPoiSearchListener;
import
java.util
.ArrayList;
import
java.util
.List;
public class RealTimePoiSuggestHelper implements OnPoiSearchListener {
private final Context context;
private final Handler mainHandler = new Handler
(Looper
.getMainLooper
());
private PoiSearch poiSearch;
private SuggestionCallback callback;
private String currentCity = "全国";
private double lat = 0, lng = 0;
private boolean useLocationBias = false;
public interface SuggestionCallback {
void onSuggestionsReady
(String[] suggestions
);
}
public RealTimePoiSuggestHelper
(Context context
) {
this.context = context;
}
public void setCurrentCity
(String city
) {
this.currentCity = city;
}
public void setLocationBias
(double lat, double lng
) {
this.lat = lat;
this.lng = lng;
this.useLocationBias = true;
}
public void setCallback
(SuggestionCallback callback
) {
this.callback = callback;
}
// 外部调用此方法发起实时建议查询
public void requestSuggestions
(String keyword
) {
if
(keyword
.isEmpty
() || callback == null
) return;
PoiSearch
.Query query = new PoiSearch
.Query
(keyword, "", currentCity
);
query
.setPageSize
(20
); // 控制数量，加快返回
query
.requireSubPois
(false
);
if
(useLocationBias
) {
LatLonPoint lp = new LatLonPoint
(lat, lng
);
query
.setLocation
(lp
);
}
try {
poiSearch = new PoiSearch
(context, query
);
poiSearch
.setOnPoiSearchListener
(this);
poiSearch
.searchPOIAsyn
();
} catch
(Exception e
) {
e
.printStackTrace
();
notifyEmpty
();
}
}
@Override
public void onPoiSearched
(PoiResult result, int rCode
) {
if
(rCode == 1000 && result != null && result
.getPois
() != null
) {
List<String> names = new ArrayList<>
();
for
(int i = 0; i < result
.getPois
().size
(); i++
) {
names
.add
(result
.getPois
().get
(i
).getTitle
());
}
String[] arr = names
.toArray
(new String[0]
);
notifySuccess
(arr
);
} else {
notifyEmpty
();
}
}
@Override
public void onPoiItemSearched
(com
.amap
.api
.services
.core
.PoiItem item, int rCode
) {
// 忽略
}
private void notifySuccess
(@NonNull String[] suggestions
) {
mainHandler
.post
(() -> callback
.onSuggestionsReady
(suggestions
));
}
private void notifyEmpty
() {
mainHandler
.post
(() -> callback
.onSuggestionsReady
(new String[0]
));
}
}
相比之下我感觉好像改了很多，而这些
报错问题，我目前也不知道怎么解决
本文介绍了在Android应用开发中遇到的startService.setOnClickListener(this)编译不通过的问题，分析了原因并提供了解决方案。通过添加 implements View.OnClickListener 到Activity类，实现了按钮点击事件监听器，确保代码正确运行。
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