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Waytoon · Aug 11, 2021 · 0ee17ff · 0ee17ff
1 parent b0776a8
commit 0ee17ff
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Showing 7 changed files with 65 additions and 402,168 deletions.
diff --git a/1.txt b/1.txt
diff --git a/example/lib/basic_page.dart b/example/lib/basic_page.dart
@@ -1,5 +1,5 @@
-import 'package:example/main.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_memory_leak_check/flutter_memory_leak_check.dart';
 
 class BasicPage extends StatefulWidget {
   const BasicPage({Key? key}) : super(key: key);
@@ -12,6 +12,10 @@ class _BasicPageState extends State<BasicPage> {
   int _counter = 0;
   List<String>? _memoryLeakList = [];
 
+  _BasicPageState() {
+    print("xxxxxx");
+  }
+
   Future _incrementCounter() async {
     _counter++;
 
@@ -22,7 +26,6 @@ class _BasicPageState extends State<BasicPage> {
         break;
       case 2:
         print("start gc");
-        _counter = 0;
         globalChecker.forceGC();
         print("gc completed!");
         break;
@@ -46,11 +49,6 @@ class _BasicPageState extends State<BasicPage> {
     });
   }
 
-  Expando x() {
-    var v = Expando();
-    return v;
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(

diff --git a/example/lib/main.dart b/example/lib/main.dart
@@ -2,8 +2,6 @@ import 'package:example/basic_page.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_memory_leak_check/flutter_memory_leak_check.dart';
 
-late MemoryChecker globalChecker;
-
 void main() {
   runApp(MyApp());
 }
@@ -12,7 +10,7 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Memory Leck Check Demo',
+      title: 'Flutter Memory Leak Check Demo',
       theme: ThemeData(
         primarySwatch: Colors.blue,
       ),
@@ -32,6 +30,10 @@ class MyHomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<MyHomePage> {
 
+  _MyHomePageState() {
+    print("_MyHomePageState instance");
+  }
+
   @override
   void initState() {
     globalChecker = MemoryChecker("192.168.80.144");
@@ -40,6 +42,8 @@ class _MyHomePageState extends State<MyHomePage> {
 
   @override
   Widget build(BuildContext context) {
+    globalChecker.addWatch(this,);
+
     return Scaffold(
       appBar: AppBar(
         title: Text(widget.title),
@@ -62,4 +66,10 @@ class _MyHomePageState extends State<MyHomePage> {
       ),
     );
   }
+
+  @override
+  void dispose() {
+    print("_MyHomePageState dispose");
+    super.dispose();
+  }
 }
diff --git a/lib/memory_checker.dart b/lib/memory_checker.dart
@@ -4,7 +4,7 @@ import 'package:vm_service/utils.dart';
 import 'package:vm_service/vm_service.dart';
 import 'package:vm_service/vm_service_io.dart';
 
-import 'memory_checker_temp_prohibited_open.dart';
+import 'temp.dart';
 
 /// step 1：Add debugging options
 /// --observatory-port=50443
@@ -48,22 +48,23 @@ class MemoryChecker {
 
       String url = convertToWebSocketUrl(serviceProtocolUrl: uri).toString();
       vmServiceConnectUri(url).then((VmService vmService) async {
-        //拿到vmService对象
         _vmService = vmService;
         vm = await _vmService.getVM();
 
         _initMainIsolateID();
         await _initLibraryID();
         print("get vm service successfully");
 
-        // _vmService.streamListen("GC").then((event) {
-        //   print("GC监听注册完毕");
-        // });
+        _vmService.streamListen("GC").then((event) {
+          print("GC monitoring is registered");
+        });
         //
         // _vmService.onGCEvent
         //     .listen(onData, onDone: onDone, onError: onError, cancelOnError: false);
       });
     });
+
+    initSystemList();
   }
 
   void _initMainIsolateID() {
@@ -105,19 +106,39 @@ class MemoryChecker {
     return dataInstance!;
   }
 
-  void addWatch(dynamic value, {String? remarks}) async {
-    if (inProduction) return;
-
+  _CodeInfo? getCodeInfo() {
     try {
       var v;
       print(v.as);
     }catch(e, s) {
       String c = "$s";
-      print(c);
+      List temp = c.split('\n');
+      var v = temp[3];
+
+      RegExp reg = RegExp("\\((([^\\.]+)\\.dart):(\\d+):(\\d+)\\)");
+      Iterable<Match> matches = reg.allMatches(v);
+      for (Match m in matches) {
+        String? filePath = m.group(1);
+        String? line = m.group(3);
+        return _CodeInfo(filePath!, int.parse(line!));
+      }
     }
+  }
 
-    var codeLine = CodeLine('lib/main.dart', 69, remarks: remarks);
-    var c = MemoryCheckerInstanceData.getInstance(_checkerClassIndex++);
+  void addWatch(dynamic value, {String? remarks}) async {
+    if (inProduction) return;
+    if(value == null) return;
+
+    var codeInfo = getCodeInfo();
+    if(codeInfo == null)
+      throw "Failed to get code information";
+
+    var codeLine = CodeLine(
+        codeInfo.filePath,
+        codeInfo.line,
+        remarks: remarks);
+
+    var c = systemList[_checkerClassIndex++];
     var className = _getClassName(c);
     _checkerCodeLineMap[className] = codeLine;
 
@@ -179,6 +200,8 @@ class MemoryChecker {
   }
 }
 
+late MemoryChecker globalChecker;
+
 class CodeLine {
   String filePath;
   int line;
@@ -194,4 +217,11 @@ class CodeLine {
 
 Expando getMemoryCheckerExpando() {
   return MemoryChecker("").expando;
+}
+
+class _CodeInfo {
+  late String filePath;
+  late int line;
+
+  _CodeInfo(this.filePath, this.line);
 }