Add camera functionality with CameraX, permissions, watermarks, and settings page

app/build.gradle

@@ -37,6 +37,20 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.11.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    
+    // CameraX core library
+    def camerax_version = "1.3.0"
+    implementation "androidx.camera:camera-core:${camerax_version}"
+    implementation "androidx.camera:camera-camera2:${camerax_version}"
+    implementation "androidx.camera:camera-lifecycle:${camerax_version}"
+    implementation "androidx.camera:camera-video:${camerax_version}"
+    
+    // CameraX View class
+    implementation "androidx.camera:camera-view:${camerax_version}"
+    
+    // CameraX Extensions (Effects) - Optional
+    implementation "androidx.camera:camera-extensions:${camerax_version}"
+    
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'

app/src/main/AndroidManifest.xml

@@ -1,17 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.example.app">
 
+    <!-- 相机权限 -->
+    <uses-permission android:name="android.permission.CAMERA" />
+    
+    <!-- 位置权限 -->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    
+    <!-- 硬件功能声明 -->
+    <uses-feature android:name="android.hardware.camera" android:required="true" />
+    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.LogCam">
+        android:theme="@style/Theme.LogCam"
+        android:requestLegacyExternalStorage="true"
+        tools:targetApi="q">
         <activity
             android:name=".MainActivity"
-            android:exported="true">
+            android:exported="true"
+            android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

app/src/main/java/com/example/app/CameraActivity.kt

@@ -0,0 +1,283 @@
+package com.example.app
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.content.ContentValues
+import android.content.pm.PackageManager
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.Typeface
+import android.location.Geocoder
+import android.location.Location
+import android.net.Uri
+import android.os.Build
+import android.os.Bundle
+import android.os.Looper
+import android.provider.MediaStore
+import android.util.Log
+import android.widget.ImageButton
+import android.widget.LinearLayout
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.camera.core.CameraSelector
+import androidx.camera.core.ImageCapture
+import androidx.camera.core.ImageCaptureException
+import androidx.camera.core.Preview
+import androidx.camera.lifecycle.ProcessCameraProvider
+import androidx.camera.view.PreviewView
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import com.google.android.material.snackbar.Snackbar
+import java.io.IOException
+import java.io.OutputStream
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+import java.util.concurrent.ExecutorService
+import java.util.concurrent.Executors
+import kotlin.math.roundToInt
+
+class CameraActivity : AppCompatActivity() {
+
+    companion object {
+        private const val TAG = "LogCam"
+        private const val REQUEST_CODE_PERMISSIONS = 10
+        private val REQUIRED_PERMISSIONS = arrayOf(
+            Manifest.permission.CAMERA,
+            Manifest.permission.ACCESS_FINE_LOCATION
+        )
+    }
+
+    private lateinit var viewFinder: PreviewView
+    private lateinit var captureButton: ImageButton
+    private lateinit var settingsButton: ImageButton
+    private lateinit var photoPreviewLayout: LinearLayout
+    private var imageCapture: ImageCapture? = null
+    private lateinit var cameraExecutor: ExecutorService
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        // 初始化视图
+        viewFinder = findViewById(R.id.viewFinder)
+        captureButton = findViewById(R.id.captureButton)
+        settingsButton = findViewById(R.id.settingsButton)
+        photoPreviewLayout = findViewById(R.id.photoPreviewLayout)
+
+        // 请求权限
+        if (allPermissionsGranted()) {
+            startCamera()
+        } else {
+            ActivityCompat.requestPermissions(
+                this, REQUIRED_PERMISSIONS, REQUEST_CODE_PERMISSIONS
+            )
+        }
+
+        // 设置点击监听器
+        captureButton.setOnClickListener { takePhoto() }
+        settingsButton.setOnClickListener { openSettings() }
+
+        // 初始化线程池
+        cameraExecutor = Executors.newSingleThreadExecutor()
+    }
+
+    private fun allPermissionsGranted() = REQUIRED_PERMISSIONS.all {
+        ContextCompat.checkSelfPermission(baseContext, it) == PackageManager.PERMISSION_GRANTED
+    }
+
+    private fun startCamera() {
+        val cameraProviderFuture = ProcessCameraProvider.getInstance(this)
+
+        cameraProviderFuture.addListener({
+            val cameraProvider = cameraProviderFuture.get()
+
+            val preview = Preview.Builder()
+                .build()
+                .also {
+                    it.setSurfaceProvider(viewFinder.surfaceProvider)
+                }
+
+            imageCapture = ImageCapture.Builder()
+                .setCaptureMode(ImageCapture.CAPTURE_MODE_MINIMIZE_LATENCY)
+                .build()
+
+            val cameraSelector = CameraSelector.DEFAULT_BACK_CAMERA
+
+            try {
+                cameraProvider.unbindAll()
+                cameraProvider.bindToLifecycle(
+                    this, cameraSelector, preview, imageCapture
+                )
+
+            } catch (exc: Exception) {
+                Log.e(TAG, "相机绑定失败", exc)
+            }
+        }, ContextCompat.getMainExecutor(this))
+    }
+
+    private fun takePhoto() {
+        val imageCapture = imageCapture ?: return
+
+        val outputFileOptions = ImageCapture.OutputFileOptions.Builder(
+            createImageUri()
+        ).build()
+
+        imageCapture.takePicture(
+            outputFileOptions,
+            ContextCompat.getMainExecutor(this),
+            object : ImageCapture.OnImageSavedCallback {
+                override fun onError(exception: ImageCaptureException) {
+                    Log.e(TAG, "照片拍摄失败: ${exception.message}", exception)
+                    Toast.makeText(
+                        baseContext, 
+                        "照片拍摄失败: ${exception.message}", 
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
+
+                override fun onImageSaved(output: ImageCapture.OutputFileResults) {
+                    // 添加水印到已保存的照片
+                    val savedUri = output.savedUri ?: return
+                    addWatermarkToImage(savedUri)
+                    
+                    Toast.makeText(
+                        baseContext, 
+                        "照片已保存", 
+                        Toast.LENGTH_SHORT
+                    ).show()
+                    
+                    // 刷新相册
+                    refreshGallery(savedUri)
+                }
+            }
+        )
+    }
+
+    private fun createImageUri(): Uri {
+        val contentValues = ContentValues().apply {
+            put(MediaStore.Images.Media.DISPLAY_NAME, "巡检_${System.currentTimeMillis()}.jpg")
+            put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg")
+            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.P) {
+                put(MediaStore.Images.Media.DATE_TAKEN, System.currentTimeMillis())
+            }
+        }
+        return contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues)
+            ?: throw IOException("无法创建图片URI")
+    }
+
+    private fun addWatermarkToImage(imageUri: Uri) {
+        try {
+            val inputStream = contentResolver.openInputStream(imageUri)
+            val originalBitmap = BitmapFactory.decodeStream(inputStream)
+            inputStream?.close()
+
+            val watermarkedBitmap = addWatermark(originalBitmap)
+
+            // 将带水印的图片保存回原URI
+            val outputStream = contentResolver.openOutputStream(imageUri, "rwt") // truncate and write
+            watermarkedBitmap.compress(Bitmap.CompressFormat.JPEG, 95, outputStream)
+            outputStream?.close()
+
+            // 回收位图以释放内存
+            if (watermarkedBitmap != originalBitmap) {
+                originalBitmap.recycle()
+            }
+            watermarkedBitmap.recycle()
+        } catch (e: Exception) {
+            Log.e(TAG, "添加水印失败: ${e.message}")
+        }
+    }
+
+    private fun addWatermark(bitmap: Bitmap): Bitmap {
+        val watermarkedBitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true)
+        val canvas = Canvas(watermarkedBitmap)
+        val paint = Paint().apply {
+            color = Color.WHITE
+            textSize = 48f
+            typeface = Typeface.DEFAULT_BOLD
+            textAlign = Paint.Align.LEFT
+        }
+
+        // 绘制时间水印
+        val timestamp = formatDate(System.currentTimeMillis())
+        canvas.drawText(timestamp, 50f, watermarkedBitmap.height - 100f, paint)
+
+        // 绘制位置水印
+        getCurrentLocation()?.let { location ->
+            val address = getAddressFromLocation(location.latitude, location.longitude)
+            canvas.drawText(address, 50f, watermarkedBitmap.height - 50f, paint)
+        }
+
+        return watermarkedBitmap
+    }
+
+    private fun refreshGallery(uri: Uri) {
+        // 通知相册更新
+        val contentValues = ContentValues().apply {
+            put(MediaStore.Images.Media.IS_PENDING, 0)
+        }
+        contentResolver.update(uri, contentValues, null, null)
+    }
+
+    // 将时间戳转换为指定格式的日期时间字符串
+    fun formatDate(timestamp: Long): String {
+        val sdf = SimpleDateFormat("yyyy年-MM月-dd日 HH:mm:ss", Locale.getDefault())
+        return sdf.format(Date(timestamp))
+    }
+
+    // 使用Geocoder将经纬度转换为地址
+    private fun getAddressFromLocation(latitude: Double, longitude: Double): String? {
+        return try {
+            val geocoder = Geocoder(this, Locale.getDefault())
+            val addresses = geocoder.getFromLocation(latitude, longitude, 1)
+            if (addresses?.isEmpty() == false) {
+                val address = addresses[0]
+                val addressLine = address.getAddressLine(0)
+                addressLine ?: "${latitude}, ${longitude}"
+            } else {
+                "${latitude}, ${longitude}"
+            }
+        } catch (e: Exception) {
+            Log.e(TAG, "无法解析地址: ${e.message}")
+            "${latitude}, ${longitude}"
+        }
+    }
+
+    @SuppressLint("MissingPermission")
+    private fun getCurrentLocation(): Location? {
+        // 这里应该实现获取当前位置的逻辑
+        // 简化实现，返回null，实际应用中需要使用LocationManager或FusedLocationProviderClient
+        return null
+    }
+
+    private fun openSettings() {
+        // 打开设置页面
+        val settingsFragment = SettingsFragment()
+        settingsFragment.show(supportFragmentManager, "SettingsFragment")
+    }
+
+    override fun onRequestPermissionsResult(
+        requestCode: Int,
+        permissions: Array<String>,
+        grantResults: IntArray
+    ) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        if (requestCode == REQUEST_CODE_PERMISSIONS) {
+            if (allPermissionsGranted()) {
+                startCamera()
+            } else {
+                Toast.makeText(this, "权限被拒绝，相机功能不可用", Toast.LENGTH_SHORT).show()
+                // 可以在这里提供降级功能，比如手动输入位置信息
+            }
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        cameraExecutor.shutdown()
+    }
+}

app/src/main/java/com/example/app/MainActivity.kt

@@ -1,5 +1,6 @@
 package com.example.app
 
+import android.content.Intent
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 
@@ -7,5 +8,9 @@ class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+
+        // 直接启动相机Activity
+        startActivity(Intent(this, CameraActivity::class.java))
+        finish() // 关闭MainActivity，避免返回键回到空白页面
     }
 }

app/src/main/java/com/example/app/SettingsFragment.kt

@@ -0,0 +1,121 @@
+package com.example.app
+
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
+import android.location.Location
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.EditText
+import android.widget.RadioButton
+import android.widget.RadioGroup
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.core.app.ActivityCompat
+import androidx.fragment.app.DialogFragment
+
+class SettingsFragment : DialogFragment() {
+
+    private lateinit var locationCalibrationRadioGroup: RadioGroup
+    private lateinit var manualLatInput: EditText
+    private lateinit var manualLngInput: EditText
+    private lateinit var distanceInput: EditText
+    private lateinit var saveButton: Button
+    private lateinit var cancelButton: Button
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val view = inflater.inflate(R.layout.fragment_settings, container, false)
+
+        initViews(view)
+        setupClickListeners()
+
+        return view
+    }
+
+    private fun initViews(view: View) {
+        locationCalibrationRadioGroup = view.findViewById(R.id.locationCalibrationRadioGroup)
+        manualLatInput = view.findViewById(R.id.manualLatInput)
+        manualLngInput = view.findViewById(R.id.manualLngInput)
+        distanceInput = view.findViewById(R.id.distanceInput)
+        saveButton = view.findViewById(R.id.saveButton)
+        cancelButton = view.findViewById(R.id.cancelButton)
+    }
+
+    private fun setupClickListeners() {
+        locationCalibrationRadioGroup.setOnCheckedChangeListener { _, checkedId ->
+            val selectedMethod = when (checkedId) {
+                R.id.latLngDistanceCalibration -> "经纬度+距离校准"
+                R.id.onlineQueryCalibration -> "联网查询校准"
+                else -> "默认"
+            }
+            Log.d("SettingsFragment", "选择了校准方式: $selectedMethod")
+        }
+
+        saveButton.setOnClickListener {
+            saveSettings()
+            dismiss()
+        }
+
+        cancelButton.setOnClickListener {
+            dismiss()
+        }
+    }
+
+    private fun saveSettings() {
+        // 获取选择的位置校准方式
+        val selectedMethodId = locationCalibrationRadioGroup.checkedRadioButtonId
+        val calibrationMethod = when (selectedMethodId) {
+            R.id.latLngDistanceCalibration -> "lat_lng_distance"
+            R.id.onlineQueryCalibration -> "online_query"
+            else -> "default"
+        }
+
+        // 保存设置到SharedPreferences
+        val sharedPreferences = requireContext().getSharedPreferences("LogCamSettings", Context.MODE_PRIVATE)
+        val editor = sharedPreferences.edit()
+        editor.putString("calibration_method", calibrationMethod)
+
+        // 如果选择了手动输入经纬度，则保存经纬度和距离
+        if (selectedMethodId == R.id.latLngDistanceCalibration) {
+            try {
+                val latStr = manualLatInput.text.toString()
+                val lngStr = manualLngInput.text.toString()
+                val distanceStr = distanceInput.text.toString()
+
+                if (latStr.isNotEmpty() && lngStr.isNotEmpty()) {
+                    val latitude = latStr.toDouble()
+                    val longitude = lngStr.toDouble()
+                    val distance = if (distanceStr.isNotEmpty()) distanceStr.toDouble() else 0.0
+
+                    if (latitude in -90.0..90.0 && longitude in -180.0..180.0) {
+                        editor.putFloat("manual_latitude", latitude.toFloat())
+                        editor.putFloat("manual_longitude", longitude.toFloat())
+                        editor.putFloat("calibration_distance", distance.toFloat())
+                        Toast.makeText(context, "设置已保存", Toast.LENGTH_SHORT).show()
+                    } else {
+                        Toast.makeText(context, "经纬度超出有效范围", Toast.LENGTH_SHORT).show()
+                        return
+                    }
+                }
+            } catch (e: NumberFormatException) {
+                Toast.makeText(context, "请输入有效的数字", Toast.LENGTH_SHORT).show()
+                return
+            }
+        }
+
+        editor.apply()
+    }
+
+    companion object {
+        const val REQUEST_CODE_LOCATION_PERMISSION = 100
+    }
+}

app/src/main/res/drawable/circle_button_background.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="#1C1B1F" />
+    <stroke
+        android:width="4dp"
+        android:color="@android:color/white" />
+</shape>

app/src/main/res/drawable/ic_camera.xml

@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorOnPrimary">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,12m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0"/>
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M9,2L7.17,4L4,4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2h-3.17L15,2L9,2zM12,17c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5z"/>
+</vector>

app/src/main/res/drawable/ic_settings.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorOnPrimary">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19.14,12.94c0.04,-0.3 0.06,-0.61 0.06,-0.94c0,-0.32 -0.02,-0.64 -0.07,-0.94l2.03,-1.58c0.18,-0.14 0.23,-0.41 0.12,-0.61l-1.92,-3.32c-0.12,-0.22 -0.37,-0.29 -0.59,-0.22l-2.39,0.96c-0.5,-0.38 -1.03,-0.7 -1.62,-0.94L14.4,2.81c-0.04,-0.24 -0.24,-0.41 -0.48,-0.41h-3.84c-0.24,0 -0.43,0.17 -0.47,0.41L9.25,5.35C8.66,5.59 8.12,5.92 7.63,6.29L5.24,5.33c-0.22,-0.08 -0.47,0 -0.59,0.22L2.74,8.87C2.62,9.08 2.66,9.34 2.86,9.48l2.03,1.58C4.84,11.36 4.82,11.69 4.82,12s0.02,0.64 0.07,0.94l-2.03,1.58c-0.18,0.14 -0.23,0.41 -0.12,0.61l1.92,3.32c0.12,0.22 0.37,0.29 0.59,0.22l2.39,-0.96c0.5,0.38 1.03,0.7 1.62,0.94l0.36,2.54c0.05,0.24 0.24,0.41 0.48,0.41h3.84c0.24,0 0.44,-0.17 0.47,-0.41l0.36,-2.54c0.59,-0.24 1.13,-0.56 1.62,-0.94l2.39,0.96c0.22,0.08 0.47,0 0.59,-0.22l1.92,-3.32c0.12,-0.22 0.07,-0.47 -0.12,-0.61L19.14,12.94zM12,15.6c-1.98,0 -3.6,-1.62 -3.6,-3.6s1.62,-3.6 3.6,-3.6s3.6,1.62 3.6,3.6S13.98,15.6 12,15.6z"/>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -4,30 +4,73 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="match_height"
     tools:context=".MainActivity">
 
-    <TextView
+    <!-- CameraView for displaying the camera preview -->
-        android:id="@+id/titleText"
+    <androidx.camera.view.PreviewView
-        android:layout_width="wrap_content"
+        android:id="@+id/viewFinder"
-        android:layout_height="wrap_content"
+        android:layout_width="0dp"
-        android:text="@string/app_name"
+        android:layout_height="0dp"
-        android:textSize="24sp"
+        app:layout_constraintBottom_toTopOf="@id/controlPanel"
-        android:textStyle="bold"
-        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
-    <TextView
+    <!-- Control panel for camera controls -->
-        android:id="@+id/descriptionText"
+    <LinearLayout
-        android:layout_width="wrap_content"
+        android:id="@+id/controlPanel"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:text="Welcome to LogCam"
+        android:orientation="vertical"
-        android:textSize="16sp"
+        android:padding="16dp"
-        android:layout_marginTop="16dp"
+        android:background="@color/white"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
-        app:layout_constraintTop_toBottomOf="@id/titleText" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="center">
+
+            <!-- Capture button -->
+            <ImageButton
+                android:id="@+id/captureButton"
+                android:layout_width="72dp"
+                android:layout_height="72dp"
+                android:layout_margin="16dp"
+                android:background="@drawable/circle_button_background"
+                android:src="@drawable/ic_camera"
+                android:contentDescription="Capture photo" />
+
+            <!-- Settings button -->
+            <ImageButton
+                android:id="@+id/settingsButton"
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:layout_margin="16dp"
+                android:background="?attr/selectableItemBackgroundBorderless"
+                android:src="@drawable/ic_settings"
+                android:contentDescription="Settings" />
+
+        </LinearLayout>
+
+        <!-- Preview of captured photos -->
+        <HorizontalScrollView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp">
+
+            <LinearLayout
+                android:id="@+id/photoPreviewLayout"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:orientation="horizontal" />
+
+        </HorizontalScrollView>
+
+    </LinearLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_settings.xml

@@ -0,0 +1,143 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="16dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="设置"
+            android:textSize="24sp"
+            android:textStyle="bold"
+            android:gravity="center"
+            android:layout_marginBottom="24dp" />
+
+        <!-- 地点校准方式 -->
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="地点校准方式"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:layout_marginBottom="8dp" />
+
+        <RadioGroup
+            android:id="@+id/locationCalibrationRadioGroup"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp">
+
+            <RadioButton
+                android:id="@+id/latLngDistanceCalibration"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="经纬度 + 距离校准"
+                android:checked="true" />
+
+            <RadioButton
+                android:id="@+id/onlineQueryCalibration"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="联网查询校准" />
+
+        </RadioGroup>
+
+        <!-- 手动经纬度输入区域 -->
+        <LinearLayout
+            android:id="@+id/manualInputLayout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:layout_marginBottom="16dp">
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="手动输入经纬度"
+                android:textSize="16sp"
+                android:layout_marginBottom="8dp" />
+
+            <EditText
+                android:id="@+id/manualLatInput"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="纬度 (-90 到 90)"
+                android:inputType="numberSigned|numberDecimal" />
+
+            <EditText
+                android:id="@+id/manualLngInput"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="经度 (-180 到 180)"
+                android:inputType="numberSigned|numberDecimal" />
+
+            <EditText
+                android:id="@+id/distanceInput"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="校准距离 (米)"
+                android:inputType="numberDecimal" />
+
+        </LinearLayout>
+
+        <!-- 水印样式设置 -->
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="水印样式"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:layout_marginBottom="8dp" />
+
+        <Spinner
+            android:id="@+id/watermarkStyleSpinner"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp" />
+
+        <!-- 合成质量设置 -->
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="合成质量"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:layout_marginBottom="8dp" />
+
+        <Spinner
+            android:id="@+id/qualitySpinner"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp" />
+
+        <!-- 按钮 -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="end">
+
+            <Button
+                android:id="@+id/cancelButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="取消"
+                android:layout_marginEnd="8dp" />
+
+            <Button
+                android:id="@+id/saveButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="保存" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</ScrollView>