目前HomeFragment代码如下：package com
.example
.bus
.ui
.home;
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
.LayoutInflater;
import
android.view
.View;
import
android.view
.ViewGroup;
import
android.widget
.TextView;
import
android.widget
.Toast;
import
androidx
.annotation
.NonNull;
import
androidx
.core
.app
.ActivityCompat;
import
androidx
.core
.content
.ContextCompat;
import
androidx
.fragment
.app
.Fragment;
import com
.amap
.api
.services
.core
.AMapException;
import com
.amap
.api
.services
.core
.LatLonPoint;
import com
.amap
.api
.services
.geocoder
.GeocodeSearch;
import com
.amap
.api
.services
.geocoder
.RegeocodeQuery;
import com
.amap
.api
.services
.geocoder
.RegeocodeResult;
import com
.amap
.api
.services
.help
.Inputtips;
import com
.amap
.api
.services
.help
.Tip;
import com
.example
.bus
.MainActivity;
import com
.example
.bus
.SearchResultActivity;
import com
.example
.bus
.databinding
.FragmentHomeBinding;
import java
.util
.List;
import
android.widget
.ArrayAdapter;
import
android.text
.TextWatcher;
import
android.text
.Editable;
public class HomeFragment extends Fragment implements GeocodeSearch
.OnGeocodeSearchListener {
private FragmentHomeBinding binding;
private Inputtips inputTips;
private GeocodeSearch geocodeSearch;
// ✅ 当前城市，默认全国
private String currentCity = "全国";
private static final int LOCATION_PERMISSION_REQUEST_CODE = 1002;
@Override
public View onCreateView
(@NonNull LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState
) {
binding = FragmentHomeBinding
.inflate
(inflater, container, false
);
View root = binding
.getRoot
();
setupInputTips
();
setupSearchSuggestion
();
binding
.homeSearch
.setOnClickListener
(v -> {
String keyword = binding
.homeInput
.getText
().t
oString
().trim
();
if
(keyword
.isEmpty
()) {
Toast
.makeText
(requireContext
(), "请输入关键词", Toast
.LENGTH_SHORT
).show
();
return;
}
MainActivity activity =
(MainActivity
) requireActivity
();
activity
.ensureFineLocationPermission
(() -> {
Intent intent = new Intent
(requireContext
(), SearchResultActivity
.class
);
intent
.putExtra
("keyword", keyword
);
startActivity
(intent
);
}
);
}
);
// ✅ 初始化 GeocodeSearch
try {
geocodeSearch = new GeocodeSearch
(requireContext
());
geocodeSearch
.setOnGeocodeSearchListener
(this
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
return root;
}
@Override
public void onResume
() {
super
.onResume
();
// ✅ 尝试获取位置并更新 currentCity
requestLocationAndDetectCity
();
}
/**
* 请求位置权限并尝试获取当前城市
*/
private void requestLocationAndDetectCity
() {
if
(ContextCompat
.checkSelfPermission
(requireContext
(), Manifest
.permission
.ACCESS_FINE_LOCATION
)
== PackageManager
.PERMISSION_GRANTED
) {
enableMyLocationOnce
();
} else {
ActivityCompat
.requestPermissions
(requireActivity
(),
new String[]{Manifest
.permission
.ACCESS_FINE_LOCATION},
LOCATION_PERMISSION_REQUEST_CODE
);
}
}
private void enableMyLocationOnce
() {
try {
com
.amap
.api
.location
.AMapLocationClient locationClient =
new com
.amap
.api
.location
.AMapLocationClient
(requireContext
());
com
.amap
.api
.location
.AMapLocationClientOption option = new com
.amap
.api
.location
.AMapLocationClientOption
();
option
.setLocationMode
(com
.amap
.api
.location
.AMapLocationClientOption
.AMapLocationMode
.Battery_Saving
);
option
.setOnceLocation
(true
);
locationClient
.setLocationOption
(option
);
locationClient
.setLocationListener
(location -> {
if
(location != null && location
.get
ErrorCode
() == 0
) {
double lat = location
.getLatitude
();
double lon = location
.getLongitude
();
LatLonPoint point = new LatLonPoint
(lat, lon
);
RegeocodeQuery query = new RegeocodeQuery
(point, 200, GeocodeSearch
.AMAP
);
try {
geocodeSearch
.getFromLocationAsyn
(query
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
} else {
// 定位失败也保留 fallback
currentCity = "全国";
}
}
);
locationClient
.startLocation
();
} catch
(SecurityException e
) {
currentCity = "全国";
} catch
(Exception e
) {
e
.printStackTrace
();
currentCity = "全国";
}
}
@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
) {
requestLocationAndDetectCity
();
} else {
currentCity = "全国";
}
}
}
// ✅ 接收反地理编码结果，提取城市
@Override
public void onRegeocodeSearched
(RegeocodeResult result, int rCode
) {
if
(rCode == 1000 && result != null && result
.getRegeocodeAddress
() != null
) {
String city = result
.getRegeocodeAddress
().getCity
();
if
(city != null && !city
.isEmpty
()) {
currentCity = city;
} else {
currentCity = result
.getRegeocodeAddress
().getProvince
();
}
} else {
currentCity = "全国";
}
}
@Override
public void onGeocodeSearched
(com
.amap
.api
.services
.geocoder
.GeocodeResult geocodeResult, int i
) {
// 不处理正向编码
}
private void setupInputTips
() {
try {
inputTips = new Inputtips
(requireContext
(), new Inputtips
.InputtipsListener
() {
@Override
public void onGetInputtips
(List<Tip> tipList, int rCode
) {
if
(rCode == 1000 && tipList != null && !tipList
.isEmpty
()) {
String[] arr = new String[tipList
.size
()];
for
(int i = 0; i < tipList
.size
(); i++
) {
arr[i] = tipList
.get
(i
).getName
();
}
ArrayAdapter<String> adapter = new ArrayAdapter<>
(
requireContext
(),
android.R
.layout
.simple_dropdown_item_1line,
arr
);
binding
.homeInput
.setAdapter
(adapter
);
} else {
binding
.homeInput
.setAdapter
(null
);
handleSearch
Error(rCode
);
}
}
}
);
} catch
(AMapException e
) {
e
.printStackTrace
();
Toast
.makeText
(requireContext
(), "输入提示初始化失败", Toast
.LENGTH_SHORT
).show
();
}
}
private void setupSearchSuggestion
() {
Handler handler = new Handler
(Looper
.getMainLooper
());
Runnable[] pendingRunnable = {null};
binding
.homeInput
.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
) {
binding
.homeInput
.setAdapter
(null
);
return;
}
pendingRunnable[0] =
() -> {
try {
// ✅ 使用动态获取的城市
inputTips
.requestInputtips
(s
.t
oString
(), currentCity
);
} catch
(AMapException e
) {
e
.printStackTrace
();
Toast
.makeText
(requireContext
(), "输入提示请求失败", Toast
.LENGTH_SHORT
).show
();
}
};
handler
.p
ostDelayed
(pendingRunnable[0], 600
);
}
@Override
public void afterTextChanged
(Editable s
) {}
}
);
}
private void handleSearch
Error(int rCode
) {
String msg;
switch
(rCode
) {
case 12:
msg = "API Key 错误，请检查
AndroidManifest
.xml";
break;
case 27:
msg = "网络连接失败";
break;
case 30:
msg = "SHA1 或包名未正确配置";
break;
case 33:
msg = "请求过于频繁，请稍后再试";
break;
default:
msg = "搜索失败，错误码: " + rCode;
break;
}
Toast
.makeText
(requireContext
(), msg, Toast
.LENGTH_SHORT
).show
();
}
@Override
public void onDestroyView
() {
super
.onDestroyView
();
inputTips = null;
geocodeSearch = null;
binding = null;
}
}
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
.input
method.Input
MethodManager;
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;
// 👉 新增导入：用于动态修改约束
import
androidx
.constraintlayout
.widget
.ConstraintSet;
import
androidx
.constraintlayout
.widget
.ConstraintLayout;
// 🔺 新增导入：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
.help
.Inputtips;
import com
.amap
.api
.services
.help
.Tip;
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
.RoutePlanActivity;
import com
.example
.bus
.ResultAdapter;
import com
.example
.bus
.databinding
.FragmentMapBinding;
import java
.util
.ArrayList;
import java
.util
.List;
public class MapFragment extends Fragment implements PoiSearch
.OnPoiSearchListener, GeocodeSearch
.OnGeocodeSearchListener {
private FragmentMapBinding binding;
private MapView mapView;
private AMap aMap;
private Inputtips inputTips;
// 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;
@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
();
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
().t
oString
().trim
());
} else if
(selectionStage == 2
) {
showStartpointSelection
(binding
.mapInput1
.getText
().t
oString
().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
().t
oString
().trim
();
String endKeyword = binding
.mapInput2
.getText
().t
oString
().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
((ConstraintLayout
) binding
.getRoot
());
constraintSet
.connect
(
R
.id
.map_view, ConstraintSet
.BOTTOM,
R
.id
.container_result_list, ConstraintSet
.TOP,
0
);
constraintSet
.applyTo
((ConstraintLayout
) binding
.getRoot
());
userHasInteracted = true;
// 隐藏软键盘
View currentFocus = requireActivity
().getCurrentFocus
();
if
(currentFocus != null
) {
currentFocus
.clearFocus
();
Input
MethodManager imm =
(Input
MethodManager
) 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
);
}
}
// ✅ 修改：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
);
d
oSearch
(keyword
);
}
// ✅ 修改：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
);
d
oSearch
(keyword
);
}
private void d
oSearch
(String keyword
) {
if
(keyword
.isEmpty
()) return;
PoiSearch
.Query query = new PoiSearch
.Query
(keyword, "", currentCity
);
query
.setPageSize
(20
);
query
.setPageNum
(0
);
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
()
.p
osition
(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
()
.p
osition
(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<PoiItem> newPoiList = result
.getPois
();
poiList
.clear
();
poiList
.addAll
(newPoiList
);
if
(adapter == null
) {
adapter = new ResultAdapter
(poiList, this::onPoiItemSelected
);
binding
.resultList
.setLayoutManager
(new LinearLayoutManager
(requireContext
()));
binding
.resultList
.setAdapter
(adapter
);
} else {
adapter
.notifyDataSetChanged
();
binding
.resultList
.scrollToP
osition
(0
);
}
binding
.emptyView
.setVisibility
(View
.GONE
);
binding
.resultList
.setVisibility
(View
.VISIBLE
);
// 自动选中第一个
onPoiItemSelected
(poiList
.get
(0
));
} else {
// ✅ 根据当前阶段显示不同错误信息
if
(selectionStage == 1
) {
binding
.emptyView
.setText
("⚠️ 未找到相关起点"
);
} else if
(selectionStage == 2
) {
binding
.emptyView
.setText
("⚠️ 未找到相关终点"
);
}
binding
.emptyView
.setVisibility
(View
.VISIBLE
);
binding
.resultList
.setVisibility
(View
.GONE
);
}
}
@Override
public void onPoiItemSearched
(PoiItem item, int rCode
) {
// 接口必须实现
}
private void setupMap
(Bundle savedInstanceState
) {
mapView
.onCreate
(savedInstanceState
);
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else {
new Handler
(Looper
.getMainLooper
()).p
ost
(() -> {
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
()).p
ostDelayed
(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
()).p
ostDelayed
(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
()).p
ost
(() ->
aMap
.moveCamera
(CameraUpdateFactory
.newLatLngZoom
(new LatLng
(39
.909186, 116
.397411
), 10f
))
);
}
private void setupSearchSuggestion
() {
try {
inputTips = new Inputtips
(requireContext
(), new Inputtips
.InputtipsListener
() {
@Override
public void onGetInputtips
(List<Tip> tipList, int rCode
) {
if
(rCode == 1000 && tipList != null && !tipList
.isEmpty
()) {
String[] arr = new String[tipList
.size
()];
for
(int i = 0; i < tipList
.size
(); i++
) {
arr[i] = tipList
.get
(i
).getName
();
}
ArrayAdapter<String> adapter = new ArrayAdapter<>
(
requireContext
(),
android.R
.layout
.simple_dropdown_item_1line,
arr
);
new Handler
(Looper
.getMainLooper
()).p
ost
(() -> {
if
(requireActivity
().getCurrentFocus
() == binding
.mapInput1
) {
binding
.mapInput1
.setAdapter
(adapter
);
} else if
(requireActivity
().getCurrentFocus
() == binding
.mapInput2
) {
binding
.mapInput2
.setAdapter
(adapter
);
}
}
);
} else {
new Handler
(Looper
.getMainLooper
()).p
ost
(() -> {
binding
.mapInput1
.setAdapter
(null
);
binding
.mapInput2
.setAdapter
(null
);
}
);
handleSearch
Error(rCode
);
}
}
}
);
} catch
(Exception e
) {
e
.printStackTrace
();
Toast
.makeText
(requireContext
(), "智能提示初始化失败", Toast
.LENGTH_SHORT
).show
();
}
Handler handler = new Handler
(Looper
.getMainLooper
());
Runnable[] pending1 = {null}, pending2 = {null};
binding
.mapInput1
.addTextChangedListener
(new SimpleTextWatcher
(s -> {
if
(pending1[0] != null
) handler
.removeCallbacks
(pending1[0]
);
if
(s
.length
() == 0
) {
binding
.mapInput1
.setAdapter
(null
);
} else {
pending1[0] =
() -> {
new Handler
(Looper
.getMainLooper
()).p
ost
(() -> {
try {
inputTips
.requestInputtips
(s
.t
oString
(), currentCity
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
}
);
};
handler
.p
ostDelayed
(pending1[0], 600
);
}
}
));
binding
.mapInput2
.addTextChangedListener
(new SimpleTextWatcher
(s -> {
if
(pending2[0] != null
) handler
.removeCallbacks
(pending2[0]
);
if
(s
.length
() == 0
) {
binding
.mapInput2
.setAdapter
(null
);
} else {
pending2[0] =
() -> {
new Handler
(Looper
.getMainLooper
()).p
ost
(() -> {
try {
inputTips
.requestInputtips
(s
.t
oString
(), currentCity
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
}
);
};
handler
.p
ostDelayed
(pending2[0], 600
);
}
}
));
}
private void handleSearch
Error(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
();
}
@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
();
inputTips = null;
geocodeSearch = null;
binding = null;
}
@Override
public void onSaveInstanceState
(@NonNull
Bundle outState
) {
super
.onSaveInstanceState
(outState
);
mapView
.onSaveInstanceState
(outState
);
}
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
());
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(curLatlng, 16f
));
userHasInteracted = true;
LatLonPoint point = new LatLonPoint
(location
.getLatitude
(), location
.getLongitude
());
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
());
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(curLatlng, 16f
));
userHasInteracted = true;
LatLonPoint point = new LatLonPoint
(location
.getLatitude
(), location
.getLongitude
());
RegeocodeQuery query = new RegeocodeQuery
(point, 200, GeocodeSearch
.AMAP
);
try {
geocodeSearch
.getFromLocationAsyn
(query
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
aMap
.setOnMyLocationChangeListener
(null
);
}
};
aMap
.setOnMyLocationChangeListener
(listener
);
}
}
}
}
@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
}
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
);
}
}
}
SearchResultActivity代码如下：package com
.example
.bus;
import
android.Manifest;
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 com
.amap
.api
.services
.help
.Inputtips;
import com
.amap
.api
.services
.help
.Tip;
import
android.text
.Editable;
import
android.text
.TextWatcher;
import
android.widget
.ArrayAdapter;
import java
.util
.ArrayList;
import java
.util
.List;
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 Inputtips inputTips;
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;
// ✅ 新增：空状态提示视图
private TextView emptyView;
@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
();
}
// ✅ 新增：接收 keyword 并模拟“用户输入 + 点击搜索”
new Handler
(Looper
.getMainLooper
()).p
ost
(() -> {
String keyword = getIntent
().getStringExtra
("keyword"
);
if
(keyword == null || keyword
.isEmpty
()) return;
android.widget
.AutoCompleteTextView inputView = findViewById
(R
.id
.search_input
);
Button searchBtn = findViewById
(R
.id
.search_btn
);
inputView
.setText
(keyword
);
inputView
.setSelection
(keyword
.length
());
inputView
.clearFocus
(); // 防止键盘弹出
searchBtn
.performClick
(); // 触发搜索
}
);
}
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
);
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
);
}
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
()).p
ost
(() -> {
aMap = mapView
.getMap
();
if
(aMap != null
) {
initMapSettings
();
} else {
waitAMapReady
();
}
}
);
}
}
private void waitAMapReady
() {
new Handler
(Looper
.getMainLooper
()).p
ostDelayed
(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
()).p
ostDelayed
(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
);
}
);
new Handler
(Looper
.getMainLooper
()).p
ost
(() ->
aMap
.moveCamera
(CameraUpdateFactory
.newLatLngZoom
(new LatLng
(39
.909186, 116
.397411
), 10f
))
);
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
());
aMap
.animateCamera
(CameraUpdateFactory
.newLatLngZoom
(curLatlng, 16f
));
userHasInteracted = true;
LatLonPoint point = new LatLonPoint
(location
.getLatitude
(), location
.getLongitude
());
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
(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
() {
try {
inputTips = new Inputtips
(this, new Inputtips
.InputtipsListener
() {
@Override
public void onGetInputtips
(List<Tip> tipList, int rCode
) {
if
(rCode == 1000 && tipList != null && !tipList
.isEmpty
()) {
String[] arr = new String[tipList
.size
()];
for
(int i = 0; i < tipList
.size
(); i++
) {
arr[i] = tipList
.get
(i
).getName
();
}
ArrayAdapter<String> adapter = new ArrayAdapter<>
(
SearchResultActivity
.this,
android.R
.layout
.simple_dropdown_item_1line,
arr
);
((android.widget
.AutoCompleteTextView
) findViewById
(R
.id
.search_input
))
.setAdapter
(adapter
);
} else {
((android.widget
.AutoCompleteTextView
) findViewById
(R
.id
.search_input
))
.setAdapter
(null
);
handleSearch
Error(rCode
);
}
}
}
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
android.widget
.AutoCompleteTextView inputView = findViewById
(R
.id
.search_input
);
Handler handler = new Handler
(Looper
.getMainLooper
());
Runnable[] pendingRunnable = {null};
inputView
.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
) {
inputView
.setAdapter
(null
);
return;
}
pendingRunnable[0] =
() -> {
new Handler
(Looper
.getMainLooper
()).p
ost
(() -> {
try {
inputTips
.requestInputtips
(s
.t
oString
(), currentCity
);
} catch
(Exception e
) {
e
.printStackTrace
();
}
}
);
};
handler
.p
ostDelayed
(pendingRunnable[0], 600
);
}
@Override
public void afterTextChanged
(Editable s
) {}
}
);
searchBtn
.setOnClickListener
(v -> {
String keyword = inputView
.getText
().t
oString
().trim
();
if
(!keyword
.isEmpty
()) {
performSearch
(keyword
);
} else {
Toast
.makeText
(this, "请输入关键词", Toast
.LENGTH_SHORT
).show
();
}
}
);
}
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
);
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 handleSearch
Error(int rCode
) {
String msg;
switch
(rCode
) {
case 12: msg = "API Key 错误"; break;
case 27: msg = "网络失败"; break;
case 30: msg = "SHA1/包名错误"; break;
case 33: msg = "请求频繁"; break;
default: msg = "错误码=" + rCode; break;
}
Toast
.makeText
(this, msg, Toast
.LENGTH_SHORT
).show
();
}
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
()
.p
osition
(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
()
.p
osition
(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<PoiItem> newPoiList = result
.getPois
();
poiList
.clear
();
poiList
.addAll
(newPoiList
);
adapter
.notifyDataSetChanged
();
resultListView
.scrollToP
osition
(0
);
resultListView
.setVisibility
(View
.VISIBLE
);
emptyView
.setVisibility
(View
.GONE
);
onPoiItemSelected
(poiList
.get
(0
));
} else {
emptyView
.setText
("⚠️ 未找到相关地点"
);
emptyView
.setVisibility
(View
.VISIBLE
);
resultListView
.setVisibility
(View
.GONE
);
}
}
@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
();
inputTips = null;
geocodeSearch = null;
}
@Override
protected void onSaveInstanceState
(@NonNull
Bundle outState
) {
super
.onSaveInstanceState
(outState
);
mapView
.onSaveInstanceState
(outState
);
}
@Override
public boolean onSupportNavigateUp
() {
onBackPressed
();
return true;
}
}
请你为我提供修改好的完整
.java代码，确保是最小量修改，不改变目前已有的其它任何功能，不删除功能和添加其它功能
本文介绍了一段使用Bundle传递对象时出现的cannotresolvemethod‘putExtra(android.os.bundle)’错误及其解决方法。正确的调用应为intent.putExtras(bundle)，而非intent.putExtra(bundle)。
扫一扫
3844
到【灌水乐园】发言
