Compare commits
2 Commits
positions-
...
positions-
| Author | SHA1 | Date | |
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| eccf9b9bde | |||
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14abd9edd8 |
@@ -45,6 +45,9 @@ android {
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dependencies {
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api fileTree(dir: 'libs', include: ['*.jar'])
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// 谷歌定位服务核心依赖(FusedLocationProviderClient所在库)
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api 'com.google.android.gms:play-services-location:21.0.1'
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// SSH
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api 'com.jcraft:jsch:0.1.55'
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@@ -1,8 +1,8 @@
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#Created by .winboll/winboll_app_build.gradle
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#Mon Sep 29 18:02:11 HKT 2025
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stageCount=2
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#Mon Sep 29 18:46:38 HKT 2025
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stageCount=3
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libraryProject=
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baseVersion=15.0
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publishVersion=15.0.1
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publishVersion=15.0.2
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buildCount=0
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baseBetaVersion=15.0.2
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baseBetaVersion=15.0.3
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@@ -2,7 +2,20 @@
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<manifest
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xmlns:android="http://schemas.android.com/apk/res/android"
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package="cc.winboll.studio.positions">
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<!-- 1. 定位必需权限声明 -->
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<!-- 精确定位权限(GPS+网络定位,核心) -->
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<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
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<!-- 粗略定位权限(仅安卓12+需要,兼容低版本可加) -->
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<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
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<!-- 网络权限(可选,用于网络定位,提升室内定位精度) -->
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<uses-permission android:name="android.permission.INTERNET" />
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<!-- 2. 声明定位硬件支持(可选,告诉系统应用需要定位功能) -->
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<uses-feature
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android:name="android.hardware.location.gps"
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android:required="false" /> <!-- false=无GPS也能使用(网络定位) -->
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<application
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android:allowBackup="true"
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android:icon="@drawable/ic_launcher"
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@@ -31,6 +44,12 @@
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<activity android:name=".GlobalApplication$CrashActivity"/>
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<activity android:name="cc.winboll.studio.positions.activities.LocationActivity"/>
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<!-- 4. 谷歌定位服务版本声明(避免版本兼容问题) -->
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<meta-data
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android:name="com.google.android.gms.version"
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android:value="@integer/google_play_services_version" />
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</application>
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</manifest>
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@@ -5,6 +5,9 @@ import androidx.appcompat.app.AppCompatActivity;
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import androidx.appcompat.widget.Toolbar;
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import cc.winboll.studio.libappbase.LogView;
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import com.hjq.toast.ToastUtils;
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import android.view.View;
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import cc.winboll.studio.positions.activities.LocationActivity;
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import android.content.Intent;
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public class MainActivity extends AppCompatActivity {
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@@ -28,4 +31,8 @@ public class MainActivity extends AppCompatActivity {
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super.onResume();
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mLogView.start();
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}
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public void onPositions(View view) {
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startActivity(new Intent(this, LocationActivity.class));
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}
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}
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@@ -0,0 +1,219 @@
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package cc.winboll.studio.positions.activities;
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/**
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* @Author ZhanGSKen&豆包大模型<zhangsken@qq.com>
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* @Date 2025/09/29 18:22
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* @Describe 当前位置实时显示
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*/
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import android.Manifest;
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import android.content.pm.PackageManager;
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import android.location.Location;
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import android.os.Bundle;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.core.app.ActivityCompat;
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import com.google.android.gms.location.FusedLocationProviderClient;
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import com.google.android.gms.location.LocationCallback;
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import com.google.android.gms.location.LocationRequest;
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import com.google.android.gms.location.LocationResult;
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import com.google.android.gms.location.LocationServices;
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import com.google.android.gms.tasks.OnSuccessListener;
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import cc.winboll.studio.positions.R;
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/**
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* 实时定位活动窗口:
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* 1. 申请定位必需权限(精确定位+粗略定位)
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* 2. 初始化FusedLocationProviderClient(谷歌官方定位服务,兼容所有安卓版本)
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* 3. 实时监听位置变化,更新显示经度、纬度
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*/
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public class LocationActivity extends AppCompatActivity {
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public static final String TAG = "LocationActivity";
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// 1. 核心组件与常量定义
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private static final int REQUEST_LOCATION_PERMISSIONS = 1004; // 定位权限请求码
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private FusedLocationProviderClient fusedLocationClient; // 定位核心客户端
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private LocationCallback locationCallback; // 位置变化监听器
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private LocationRequest locationRequest; // 定位请求配置(频率、精度等)
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// UI控件:用于显示经纬度(需在布局中定义对应ID)
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private TextView tvLongitude; // 经度显示
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private TextView tvLatitude; // 纬度显示
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// 2. 加载布局(需手动创建对应布局文件,见下方说明)
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setContentView(R.layout.activity_location);
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// 3. 绑定UI控件(与布局文件中的TextView ID对应)
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tvLongitude = findViewById(R.id.tv_longitude);
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tvLatitude = findViewById(R.id.tv_latitude);
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// 4. 初始化定位相关组件
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initLocationConfig();
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// 5. 检查并申请定位权限(无权限则申请,有权限则直接启动定位)
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if (checkLocationPermissions()) {
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startRealTimeLocation(); // 权限已授予 → 启动实时定位
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} else {
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requestLocationPermissions(); // 权限未授予 → 申请权限
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}
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}
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/**
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* 初始化定位配置:设置定位精度、更新频率等
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*/
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private void initLocationConfig() {
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// 初始化定位客户端(谷歌官方推荐,替代旧的LocationManager)
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fusedLocationClient = LocationServices.getFusedLocationProviderClient(this);
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// 配置定位请求:实时更新(1秒请求一次,最小间隔500毫秒,最高精度)
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locationRequest = new LocationRequest.Builder(1000) // 定位更新间隔(毫秒)
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.setMinUpdateIntervalMillis(500) // 最小更新间隔(避免频繁更新耗电)
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.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY) // 高精度定位(优先GPS)
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.build();
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// 初始化位置变化监听器:位置更新时触发(实时更新UI)
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locationCallback = new LocationCallback() {
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@Override
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public void onLocationResult(@NonNull LocationResult locationResult) {
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super.onLocationResult(locationResult);
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// 获取最新位置信息(locationResult包含最近一次或多次位置)
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Location latestLocation = locationResult.getLastLocation();
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if (latestLocation != null) {
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// 6. 提取经纬度并更新UI(实时显示)
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double longitude = latestLocation.getLongitude(); // 经度(东经为正,西经为负)
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double latitude = latestLocation.getLatitude(); // 纬度(北纬为正,南纬为负)
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// 更新TextView显示(保留6位小数,精度足够日常使用)
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tvLongitude.setText(String.format("当前经度:%.6f", longitude));
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tvLatitude.setText(String.format("当前纬度:%.6f", latitude));
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}
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}
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};
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}
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/**
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* 检查定位必需权限是否已授予(精确定位+粗略定位,覆盖所有安卓版本)
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*/
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private boolean checkLocationPermissions() {
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// 安卓12+(API31+)新增精确定位权限,需同时检查2个权限;低版本只需检查1个
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/*if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) {
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return ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
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&& ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED;
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} else {*/
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return ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
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//}
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}
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/**
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* 申请定位必需权限(弹系统授权弹窗)
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*/
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private void requestLocationPermissions() {
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/*if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) {
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// 安卓12+:同时申请精确定位+粗略定位
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ActivityCompat.requestPermissions(
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this,
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new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION},
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REQUEST_LOCATION_PERMISSIONS
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);
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} else {*/
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// 安卓12以下:仅申请精确定位(包含粗略定位能力)
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ActivityCompat.requestPermissions(
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this,
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new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
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REQUEST_LOCATION_PERMISSIONS
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);
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//}
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}
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/**
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* 启动实时定位:注册位置监听器,开始接收位置更新
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*/
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private void startRealTimeLocation() {
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// 权限兜底检查(避免异常)
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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Toast.makeText(this, "定位权限未授予,无法启动定位", Toast.LENGTH_SHORT).show();
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return;
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}
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// 1. 先获取一次当前位置(快速显示初始经纬度)
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fusedLocationClient.getLastLocation()
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.addOnSuccessListener(this, new OnSuccessListener<Location>() {
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@Override
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public void onSuccess(Location location) {
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if (location != null) {
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// 显示初始经纬度
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tvLongitude.setText(String.format("当前经度:%.6f", location.getLongitude()));
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tvLatitude.setText(String.format("当前纬度:%.6f", location.getLatitude()));
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} else {
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// 无历史位置(如首次启动),提示“等待定位更新”
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tvLongitude.setText("当前经度:等待更新...");
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tvLatitude.setText("当前纬度:等待更新...");
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}
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}
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});
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// 2. 注册监听器,接收实时位置更新(持续监听)
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fusedLocationClient.requestLocationUpdates(
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locationRequest,
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locationCallback,
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getMainLooper() // 在主线程更新UI(避免线程异常)
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);
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}
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/**
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* 处理权限申请结果(用户同意/拒绝后触发)
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*/
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@Override
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults);
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if (requestCode == REQUEST_LOCATION_PERMISSIONS) {
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// 检查是否所有必需权限都已授予
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boolean allGranted = true;
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for (int result : grantResults) {
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if (result != PackageManager.PERMISSION_GRANTED) {
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allGranted = false;
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break;
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}
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}
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if (allGranted) {
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// 权限同意 → 启动实时定位
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startRealTimeLocation();
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} else {
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// 权限拒绝 → 提示用户(无法定位)
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Toast.makeText(this, "定位权限被拒绝,无法显示位置信息", Toast.LENGTH_SHORT).show();
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tvLongitude.setText("当前经度:无权限");
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tvLatitude.setText("当前纬度:无权限");
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}
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}
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}
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/**
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* 活动销毁时:停止定位监听(避免内存泄漏、减少耗电)
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*/
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@Override
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protected void onDestroy() {
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super.onDestroy();
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// 移除定位监听器(核心:防止Activity销毁后仍在监听,导致内存泄漏)
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if (fusedLocationClient != null && locationCallback != null) {
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fusedLocationClient.removeLocationUpdates(locationCallback);
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}
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}
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}
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34
positions/src/main/res/layout/activity_location.xml
Normal file
34
positions/src/main/res/layout/activity_location.xml
Normal file
@@ -0,0 +1,34 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:gravity="center_horizontal|center_vertical"
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android:orientation="vertical"
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android:padding="20dp">
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<!-- 标题 -->
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="实时位置信息"
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android:textSize="22sp"
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android:textStyle="bold"/>
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<!-- 经度显示(大字体,清晰可见) -->
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<TextView
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android:id="@+id/tv_longitude"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="当前经度:等待更新..."
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android:textSize="18sp"/>
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<!-- 纬度显示(大字体,清晰可见) -->
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<TextView
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android:id="@+id/tv_latitude"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="当前纬度:等待更新..."
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android:textSize="18sp"/>
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</LinearLayout>
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@@ -26,11 +26,11 @@
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android:layout_weight="1.0"
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android:gravity="center_vertical|center_horizontal">
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<TextView
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<Button
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Positions"
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android:textAppearance="?android:attr/textAppearanceLarge"/>
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android:onClick="onPositions"/>
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</LinearLayout>
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Reference in New Issue
Block a user