优化代码

yihaha · Aug 8, 2019 · 1c4c00d · 1c4c00d
1 parent 68bf1ac
commit 1c4c00d
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Showing 7 changed files with 59 additions and 4 deletions.
diff --git a/lib/string.dart → lib/constant/string.dart b/lib/string.dart → lib/constant/string.dart
diff --git a/lib/ycolors.dart → lib/constant/ycolors.dart b/lib/ycolors.dart → lib/constant/ycolors.dart
diff --git a/lib/home_root.dart b/lib/home_root.dart
@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:meimei/ycolors.dart';
+import 'package:meimei/constant/ycolors.dart';
 
 import 'leisure.dart';
 import 'meitu.dart';

diff --git a/lib/http/httputil.dart b/lib/http/httputil.dart
@@ -3,7 +3,7 @@ import 'dart:collection';
 import 'package:connectivity/connectivity.dart';
 import 'package:dio/dio.dart';
 
-import '../string.dart';
+import 'package:meimei/constant/string.dart';
 import 'http_response.dart';
 
 class HttpUtil {

diff --git a/lib/main.dart b/lib/main.dart
@@ -1,7 +1,7 @@
 import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:meimei/ycolors.dart';
+import 'package:meimei/constant/ycolors.dart';
 
 import 'home_root.dart';
 

diff --git a/lib/meitu.dart b/lib/meitu.dart
@@ -1,8 +1,11 @@
+import 'dart:async';
 import 'dart:io';
 import 'dart:ui';
 
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:meimei/utils/screen_util.dart';
 import 'package:pull_to_refresh/pull_to_refresh.dart';
 
 import 'bean/meitu.dart';
@@ -26,6 +29,9 @@ class MeiTuState extends State<MeiTu> with AutomaticKeepAliveClientMixin {
   @override
   void initState() {
     super.initState();
+    Timer(Duration(milliseconds: 1000), () {
+      ScreenUtil.updateStatusBarStyle(SystemUiOverlayStyle.dark);
+    });
 
     ///默认不显示回首页按钮
     _mRefreshController = RefreshController();
@@ -47,11 +53,14 @@ class MeiTuState extends State<MeiTu> with AutomaticKeepAliveClientMixin {
 
       ///控制导航栏的显示与隐藏
       if (offset <= kToolbarHeight + MediaQuery.of(context).padding.top) {
+        ///隐藏
         setState(() {
+          ScreenUtil.updateStatusBarStyle(SystemUiOverlayStyle.dark);
           yNavigationShow = 0;
         });
       } else {
         setState(() {
+          ScreenUtil.updateStatusBarStyle(SystemUiOverlayStyle.light);
           yNavigationShow = 1;
         });
       }
@@ -105,7 +114,8 @@ class MeiTuState extends State<MeiTu> with AutomaticKeepAliveClientMixin {
                       childAspectRatio: 3 / (_isOneColumn ? 3.5 : 4),
                       crossAxisSpacing: 8),
                   itemCount: _tuList.length,
-                  padding: EdgeInsets.fromLTRB(8, 0, 8, 8),
+                  padding: EdgeInsets.fromLTRB(
+                      8, ScreenUtil.getStatusHeight(), 8, 8),
                   itemBuilder: (context, index) {
                     var itemBean = _tuList[index];
                     return GestureDetector(

diff --git a/lib/utils/screen_util.dart b/lib/utils/screen_util.dart
@@ -0,0 +1,45 @@
+import 'dart:async';
+import 'dart:ui';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class ScreenUtil {
+  ///获取屏幕宽 ,注意: MediaQuery.of(context).padding.top 方法在release版本可能出现白屏
+  static double getWinWidth() {
+    return window.physicalSize.width;
+
+    ///或者
+    /// MediaQueryData mediaQuery = MediaQueryData.fromWindow(ui.window);
+    ///    return mediaQuery.size.width;
+  }
+
+  ///获取屏幕高度
+  static double getWinHeight() {
+    return window.physicalSize.height;
+
+    ///或者
+    /// MediaQueryData mediaQuery = MediaQueryData.fromWindow(ui.window);
+    ///    return mediaQuery.size.height;
+  }
+
+  ///获取appbar的高度
+  static double getBarHeight() {
+    MediaQueryData mediaQuery = MediaQueryData.fromWindow(window);
+    return mediaQuery.padding.top + kToolbarHeight;
+  }
+
+  ///状态栏高度
+  static double getStatusHeight() {
+    MediaQueryData mediaQuery = MediaQueryData.fromWindow(window);
+    return mediaQuery.padding.top;
+  }
+
+  ///更新状态栏样式,字体颜色改变
+  static updateStatusBarStyle(SystemUiOverlayStyle style) {
+    ///不加定时可能出现整个statusbar颜色改变
+    Timer(Duration(milliseconds: 678), () {
+      SystemChrome.setSystemUIOverlayStyle(style);
+    });
+  }
+}