feat: 增加防丢失页面

2026-01-12 06:49:03 -08:00
parent 0474f3c9d9
commit 26f6c10557
16 changed files with 390 additions and 0 deletions
@@ -0,0 +1,85 @@
+import 'dart:typed_data';
+import 'dart:ui' as ui;
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:get/get.dart';
+import 'package:gal/gal.dart';
+import 'package:kaer_with_panels/app/utils/kr_common_util.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class HIAntiLostController extends GetxController {
+  final GlobalKey repaintKey = GlobalKey();
+
+  Future<void> saveImage() async {
+    KRCommonUtil.kr_showLoading(message: "正在保存...");
+    try {
+      // Check permission
+      final hasAccess = await Gal.hasAccess();
+      if (!hasAccess) {
+        await Gal.requestAccess();
+      }
+
+      // Capture image
+      RenderRepaintBoundary? boundary =
+          repaintKey.currentContext?.findRenderObject() as RenderRepaintBoundary?;
+      
+      if (boundary == null) {
+        throw Exception("Cannot find boundary");
+      }
+
+      // Check if the boundary needs layout (sometimes Offstage needs a frame)
+      if (boundary.debugNeedsPaint) {
+        await Future.delayed(const Duration(milliseconds: 20));
+        boundary = repaintKey.currentContext?.findRenderObject() as RenderRepaintBoundary?;
+      }
+
+      ui.Image image = await boundary!.toImage(pixelRatio: 3.0);
+      ByteData? byteData =
+          await image.toByteData(format: ui.ImageByteFormat.png);
+      
+      if (byteData != null) {
+        final Uint8List pngBytes = byteData.buffer.asUint8List();
+        await Gal.putImageBytes(pngBytes);
+        KRCommonUtil.kr_showToast("保存成功");
+      } else {
+        KRCommonUtil.kr_showToast("生成图片失败");
+      }
+    } catch (e) {
+      debugPrint("Save image error: $e");
+      if (e is GalException) {
+         KRCommonUtil.kr_showToast("保存失败: No Permission");
+      } else {
+         KRCommonUtil.kr_showToast("保存失败");
+      }
+    } finally {
+      KRCommonUtil.kr_hideLoading();
+    }
+  }
+
+  void openTwitter() async {
+    // Try Deep Link first
+    final Uri appUrl = Uri.parse('twitter://user?screen_name=hifasttech');
+    final Uri webUrl = Uri.parse('https://x.com/hifasttech');
+
+    try {
+      if (await canLaunchUrl(appUrl)) {
+        await launchUrl(appUrl);
+      } else {
+        // Fallback to web
+        if (!await launchUrl(webUrl, mode: LaunchMode.externalApplication)) {
+           KRCommonUtil.kr_showToast("无法打开链接");
+        }
+      }
+    } catch (e) {
+      debugPrint("Open Twitter error: $e");
+      // Fallback to web if anything goes wrong
+      try {
+        if (!await launchUrl(webUrl, mode: LaunchMode.externalApplication)) {
+           KRCommonUtil.kr_showToast("无法打开链接");
+        }
+      } catch (e) {
+        KRCommonUtil.kr_showToast("无法打开链接");
+      }
+    }
+  }
+}