Add proxy-only traffic statistics

Update core

Optimize more details

android/app/src/main/AndroidManifest.xml

@@ -78,7 +78,8 @@
             android:icon="@drawable/ic_stat_name"
             android:foregroundServiceType="specialUse"
             android:label="FlClash"
-            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
+            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
+            >
             <intent-filter>
                 <action android:name="android.service.quicksettings.action.QS_TILE" />
             </intent-filter>
@@ -86,11 +87,35 @@
                 android:name="android.service.quicksettings.TOGGLEABLE_TILE"
                 android:value="true" />
         </service>
+
+        <provider
+            android:name=".FilesProvider"
+            android:authorities="${applicationId}.files"
+            android:exported="true"
+            android:grantUriPermissions="true"
+            android:permission="android.permission.MANAGE_DOCUMENTS"
+            android:process=":background">
+            <intent-filter>
+                <action android:name="android.content.action.DOCUMENTS_PROVIDER" />
+            </intent-filter>
+        </provider>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+
         <service
             android:name=".services.FlClashVpnService"
             android:exported="false"
             android:foregroundServiceType="specialUse"
-            android:permission="android.permission.BIND_VPN_SERVICE">
+            android:permission="android.permission.BIND_VPN_SERVICE"
+            >
             <intent-filter>
                 <action android:name="android.net.VpnService" />
             </intent-filter>

android/app/src/main/kotlin/com/follow/clash/FilesProvider.kt

@@ -0,0 +1,112 @@
+package com.follow.clash
+
+import android.database.Cursor
+import android.database.MatrixCursor
+import android.os.CancellationSignal
+import android.os.ParcelFileDescriptor
+import android.provider.DocumentsContract.Document
+import android.provider.DocumentsContract.Root
+import android.provider.DocumentsProvider
+import java.io.File
+import java.io.FileNotFoundException
+
+
+class FilesProvider : DocumentsProvider() {
+
+    companion object {
+        private const val DEFAULT_ROOT_ID = "0"
+
+        private val DEFAULT_DOCUMENT_COLUMNS = arrayOf(
+            Document.COLUMN_DOCUMENT_ID,
+            Document.COLUMN_DISPLAY_NAME,
+            Document.COLUMN_MIME_TYPE,
+            Document.COLUMN_FLAGS,
+            Document.COLUMN_SIZE,
+        )
+        private val DEFAULT_ROOT_COLUMNS = arrayOf(
+            Root.COLUMN_ROOT_ID,
+            Root.COLUMN_FLAGS,
+            Root.COLUMN_ICON,
+            Root.COLUMN_TITLE,
+            Root.COLUMN_SUMMARY,
+            Root.COLUMN_DOCUMENT_ID
+        )
+    }
+
+    override fun onCreate(): Boolean {
+        return true
+    }
+
+    override fun queryRoots(projection: Array<String>?): Cursor {
+        return MatrixCursor(projection ?: DEFAULT_ROOT_COLUMNS).apply {
+            newRow().apply {
+                add(Root.COLUMN_ROOT_ID, DEFAULT_ROOT_ID)
+                add(Root.COLUMN_FLAGS, Root.FLAG_LOCAL_ONLY)
+                add(Root.COLUMN_ICON, R.mipmap.ic_launcher)
+                add(Root.COLUMN_TITLE, context!!.getString(R.string.fl_clash))
+                add(Root.COLUMN_SUMMARY, "Data")
+                add(Root.COLUMN_DOCUMENT_ID, "/")
+            }
+        }
+    }
+
+
+    override fun queryChildDocuments(
+        parentDocumentId: String,
+        projection: Array<String>?,
+        sortOrder: String?
+    ): Cursor {
+        val result = MatrixCursor(resolveDocumentProjection(projection))
+        val parentFile = if (parentDocumentId == "/") {
+            context?.filesDir
+        } else {
+            File(parentDocumentId)
+        } ?: throw FileNotFoundException("Parent directory not found")
+        parentFile.listFiles()?.forEach { file ->
+            includeFile(result, file)
+        }
+        return result
+    }
+
+    override fun queryDocument(documentId: String, projection: Array<String>?): Cursor {
+        val result = MatrixCursor(resolveDocumentProjection(projection))
+        val file = File(documentId)
+        includeFile(result, file)
+        return result
+    }
+
+    override fun openDocument(
+        documentId: String,
+        mode: String,
+        signal: CancellationSignal?
+    ): ParcelFileDescriptor {
+        val file = File(documentId)
+        val accessMode = ParcelFileDescriptor.parseMode(mode)
+        return ParcelFileDescriptor.open(file, accessMode)
+    }
+
+    private fun includeFile(result: MatrixCursor, file: File) {
+        result.newRow().apply {
+            add(Document.COLUMN_DOCUMENT_ID, file.absolutePath)
+            add(Document.COLUMN_DISPLAY_NAME, file.name)
+            add(Document.COLUMN_SIZE, file.length())
+            add(
+                Document.COLUMN_FLAGS,
+                Document.FLAG_SUPPORTS_WRITE or Document.FLAG_SUPPORTS_DELETE
+            )
+            add(Document.COLUMN_MIME_TYPE, getDocumentType(file))
+        }
+    }
+
+    private fun getDocumentType(file: File): String {
+        return if (file.isDirectory) {
+            Document.MIME_TYPE_DIR
+        } else {
+            "application/octet-stream"
+        }
+    }
+
+    private fun resolveDocumentProjection(projection: Array<String>?): Array<String> {
+        return projection ?: DEFAULT_DOCUMENT_COLUMNS
+    }
+}

android/app/src/main/kotlin/com/follow/clash/GlobalState.kt

@@ -57,8 +57,6 @@ object GlobalState {
             serviceEngine?.dartExecutor?.executeDartEntrypoint(
                 vpnService,
             )
-
-            Log.e("FlClashVpnService", "initServiceEngine ===>")
         }
     }
 }

android/app/src/main/kotlin/com/follow/clash/plugins/AppPlugin.kt

@@ -4,12 +4,14 @@ import android.Manifest
 import android.app.Activity
 import android.app.ActivityManager
 import android.content.Context
+import android.content.Intent
 import android.content.pm.ApplicationInfo
 import android.content.pm.PackageManager
 import android.net.ConnectivityManager
 import android.os.Build
 import android.widget.Toast
 import androidx.core.content.ContextCompat.getSystemService
+import androidx.core.content.FileProvider
 import androidx.core.content.getSystemService
 import com.follow.clash.GlobalState
 import com.follow.clash.extensions.getBase64
@@ -28,6 +30,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import java.io.File
 import java.net.InetSocketAddress
 
 
@@ -61,7 +64,7 @@ class AppPlugin : FlutterPlugin, MethodChannel.MethodCallHandler, ActivityAware
     }
 
     private fun tip(message: String?) {
-        if(GlobalState.flutterEngine == null){
+        if (GlobalState.flutterEngine == null) {
             if (toast != null) {
                 toast!!.cancel()
             }
@@ -164,12 +167,56 @@ class AppPlugin : FlutterPlugin, MethodChannel.MethodCallHandler, ActivityAware
                 result.success(true)
             }
 
+            "openFile" -> {
+                val path = call.argument<String>("path")!!
+                openFile(path)
+                result.success(true)
+            }
+
             else -> {
                 result.notImplemented();
             }
         }
     }
 
+    private fun openFile(path: String) {
+        context?.let {
+            val file = File(path)
+            val uri = FileProvider.getUriForFile(
+                it,
+                "${it.packageName}.fileProvider",
+                file
+            )
+
+            val intent = Intent(Intent.ACTION_VIEW).setDataAndType(
+                uri,
+                "text/plain"
+            )
+
+            val flags =
+                Intent.FLAG_GRANT_WRITE_URI_PERMISSION or Intent.FLAG_GRANT_READ_URI_PERMISSION
+
+            val resInfoList = it.packageManager.queryIntentActivities(
+                intent, PackageManager.MATCH_DEFAULT_ONLY
+            )
+
+            for (resolveInfo in resInfoList) {
+                val packageName = resolveInfo.activityInfo.packageName
+                it.grantUriPermission(
+                    packageName,
+                    uri,
+                    flags
+                )
+            }
+
+            try {
+                activity?.startActivity(intent)
+            } catch (e: Exception) {
+                println(e)
+            }
+        }
+    }
+
     private fun updateExcludeFromRecents(value: Boolean?) {
         if (context == null) return
         val am = getSystemService(context!!, ActivityManager::class.java)
@@ -241,4 +288,4 @@ class AppPlugin : FlutterPlugin, MethodChannel.MethodCallHandler, ActivityAware
         channel.invokeMethod("exit", null)
         activity = null
     }
-}
+}

android/app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,6 @@
+<paths>
+    <files-path
+        name="files"
+        path="."/>
+</paths>
+