feat: 添加自定义GPS位置支持,更新相关脚本和配置,移除旧的GPS实现
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// Copyright (C) 2023 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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cc_library_shared {
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name: "libredroid_gps_jni",
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srcs: [
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"com_android_server_location_GnssLocationProvider.cpp",
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],
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cflags: [
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"-Wall",
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"-Werror",
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"-Wextra",
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"-std=c++17",
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],
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shared_libs: [
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"libandroid_runtime",
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"libbinder",
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"libcutils",
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"liblog",
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"libnativehelper",
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"libutils",
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"libhardware",
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"libhardware_legacy",
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"libhidlbase",
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"libhidltransport",
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"android.hardware.gnss@1.0",
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"android.hardware.gnss@1.1",
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"android.hardware.gnss@2.0",
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"android.hardware.gnss@2.1",
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"android.hardware.gnss-V1-ndk",
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"android.hardware.gnss-V1-cpp",
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],
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static_libs: [
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"libc++fs",
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],
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header_libs: [
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"jni_headers",
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// "libandroid_runtime_headers",
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],
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include_dirs: [
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"frameworks/base/services/core/jni",
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"frameworks/base/core/jni",
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],
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vendor: true,
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compile_multilib: "both",
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relative_install_path: "hw",
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}
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@@ -1,196 +0,0 @@
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# Redroid 自定义GPS位置构建指南
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本指南详细说明如何构建和使用Redroid的自定义GPS位置功能。
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## 📋 修改的文件列表
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### 1. 核心实现文件
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- `gps/com_android_server_location_GnssLocationProvider.cpp` - 主要的JNI实现
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- `gps/Android.bp` - 编译配置文件(新增)
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- `gps/init.redroid.gps.sh` - GPS初始化脚本
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### 2. 集成配置文件
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- `vendor.mk` - 添加GPS JNI库到产品包
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- `redroid.legacy.rc` - 调整GPS目录权限
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## 🔧 构建步骤
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### 1. 准备源码
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确保所有修改的文件都在正确的位置:
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```bash
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vendor/redroid/
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├── gps/
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│ ├── com_android_server_location_GnssLocationProvider.cpp
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│ ├── Android.bp
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│ └── init.redroid.gps.sh
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├── vendor.mk
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└── redroid.legacy.rc
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```
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### 2. 编译系统
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在Android源码根目录执行:
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```bash
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# 设置环境
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source build/envsetup.sh
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# 选择目标(根据你的设备调整)
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lunch aosp_arm64-eng
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# 编译GPS JNI库
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m libredroid_gps_jni
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# 或者编译整个vendor模块
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m vendor-redroid
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```
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### 3. 验证编译结果
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检查编译输出:
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```bash
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# 检查生成的库文件
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ls -la out/target/product/*/vendor/lib*/hw/libredroid_gps_jni.so
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```
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## 🚀 部署和使用
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### 1. 系统启动
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当Android系统启动时,`redroid.legacy.rc`会自动:
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- 创建`/data/vendor/gps`目录
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- 执行`init.redroid.gps.sh`脚本
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- 设置正确的权限
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### 2. 默认位置
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系统会创建默认的GPS位置文件:
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```bash
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/data/vendor/gps/custom_location.txt
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```
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默认坐标(杭州):`30.281026,120.019348`
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### 3. 自定义位置
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修改GPS位置只需编辑文件:
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```bash
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# 使用adb连接设备
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adb shell
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# 修改GPS位置(例如:北京天安门)
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echo "39.904989,116.405285" > /data/vendor/gps/custom_location.txt
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# 或者使用adb push
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echo "39.904989,116.405285" > custom_location.txt
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adb push custom_location.txt /data/vendor/gps/
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```
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### 4. 实时生效
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- 修改文件后,新的GPS位置会在下次位置请求时自动生效
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- 无需重启系统或GPS服务
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- 系统会检测文件修改时间并自动加载新坐标
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## 📍 支持的坐标格式
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### 逗号分隔格式
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```
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纬度,经度
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39.904989,116.405285
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```
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### 空格分隔格式
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```
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纬度 经度
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39.904989 116.405285
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```
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### 坐标范围
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- 纬度:-90° 到 +90°
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- 经度:-180° 到 +180°
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## 🧪 测试验证
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### 1. 查看日志
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```bash
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# 查看GPS相关日志
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adb logcat | grep -i gnss
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adb logcat | grep -i "custom.*gps"
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# 期望看到的日志:
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# I/GnssLocationProviderJni: Custom GPS location loaded: lat=39.904989, lon=116.405285
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# I/GnssLocationProviderJni: Using custom GPS location: lat=39.904989, lon=116.405285
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```
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### 2. 使用GPS应用
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- 打开地图应用(如Google Maps)
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- 启用位置服务
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- 应该显示自定义的GPS位置
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### 3. 验证位置变更
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```bash
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# 修改位置
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echo "31.239666,121.499809" > /data/vendor/gps/custom_location.txt
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# 在地图应用中观察位置变化
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```
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## 🔍 故障排除
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### 编译错误
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1. 确保Android编译环境正确设置
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2. 检查依赖库是否存在
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3. 验证Android.bp语法
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### 运行时错误
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1. 检查文件权限:
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```bash
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ls -la /data/vendor/gps/
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```
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2. 验证文件格式:
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```bash
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cat /data/vendor/gps/custom_location.txt
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```
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3. 查看详细日志:
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```bash
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adb logcat -v threadtime | grep -E "(Gnss|GPS)"
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```
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### 权限问题
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如果遇到权限错误:
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```bash
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# 重新设置权限
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adb shell
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chown system:system /data/vendor/gps/custom_location.txt
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chmod 644 /data/vendor/gps/custom_location.txt
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```
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## 📱 兼容性
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### Android版本
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- 支持Android 8.0+(API 26+)
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- 测试过的版本:Android 11、12、13
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### 架构支持
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- ARM64
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- ARM32
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- x86_64(通过Android.bp的compile_multilib配置)
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## 🔄 回退到默认GPS
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如果要禁用自定义GPS功能:
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```bash
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# 删除自定义位置文件
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rm /data/vendor/gps/custom_location.txt
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# 系统会自动回退到默认GPS行为
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```
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## 📞 技术支持
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如果遇到问题,请提供:
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1. Android版本和设备信息
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2. 完整的logcat日志
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3. 文件权限和内容截图
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4. 具体的错误现象描述
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File diff suppressed because it is too large
Load Diff
@@ -1,82 +0,0 @@
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#!/bin/bash
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# Redroid GPS位置设置脚本
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# 用法: ./set_gps_location.sh <纬度> <经度>
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# 示例: ./set_gps_location.sh 39.904989 116.405285
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if [ $# -ne 2 ]; then
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echo "用法: $0 <纬度> <经度>"
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echo ""
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echo "示例位置:"
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echo " 北京天安门: $0 39.904989 116.405285"
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echo " 上海外滩: $0 31.239666 121.499809"
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echo " 广州塔: $0 23.109831 113.324504"
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echo " 深圳地王: $0 22.544249 114.095298"
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echo " 杭州西湖: $0 30.281026 120.019348"
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echo ""
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echo "坐标范围:"
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echo " 纬度: -90 到 90"
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echo " 经度: -180 到 180"
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exit 1
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fi
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LATITUDE=$1
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LONGITUDE=$2
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# 验证纬度范围
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if (( $(echo "$LATITUDE < -90.0 || $LATITUDE > 90.0" | bc -l) )); then
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echo "错误: 纬度必须在 -90 到 90 之间"
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exit 1
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fi
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# 验证经度范围
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if (( $(echo "$LONGITUDE < -180.0 || $LONGITUDE > 180.0" | bc -l) )); then
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echo "错误: 经度必须在 -180 到 180 之间"
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exit 1
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fi
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GPS_FILE="/data/vendor/gps/custom_location.txt"
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echo "设置GPS位置为: 纬度 $LATITUDE, 经度 $LONGITUDE"
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# 检查设备连接
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if ! adb devices | grep -q "device$"; then
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echo "错误: 未找到连接的Android设备"
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echo "请确保:"
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echo "1. 设备已连接并启用USB调试"
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echo "2. 已授权计算机的USB调试请求"
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exit 1
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fi
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# 创建临时文件
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TEMP_FILE=$(mktemp)
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echo "$LATITUDE,$LONGITUDE" > "$TEMP_FILE"
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# 推送到设备
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echo "正在更新GPS位置文件..."
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adb push "$TEMP_FILE" "$GPS_FILE"
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if [ $? -eq 0 ]; then
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echo "✅ GPS位置更新成功!"
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# 设置正确权限
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adb shell "chown system:system $GPS_FILE"
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adb shell "chmod 644 $GPS_FILE"
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# 验证文件内容
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echo "📍 当前GPS位置:"
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adb shell "cat $GPS_FILE"
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echo ""
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echo "💡 提示:"
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echo "- 新位置将在下次GPS请求时生效"
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echo "- 打开地图应用验证位置是否正确"
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echo "- 查看日志: adb logcat | grep -i 'custom.*gps'"
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else
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echo "❌ GPS位置更新失败"
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echo "请检查设备权限和连接状态"
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fi
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# 清理临时文件
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rm -f "$TEMP_FILE"
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