fix(解决ios报错):

ios/Runner.xcodeproj/project.pbxproj

@@ -7,11 +7,27 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		0828E495220692B500A59437 /* iPhone Portrait-Retina 4.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E486220692B400A59437 /* iPhone Portrait-Retina 4.png */; };
+		0828E496220692B500A59437 /* iPad Portrait.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E487220692B400A59437 /* iPad Portrait.png */; };
+		0828E497220692B500A59437 /* iPhone X_XS Landscape.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E488220692B400A59437 /* iPhone X_XS Landscape.png */; };
+		0828E498220692B500A59437 /* iPhone XS Max Portrait.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E489220692B400A59437 /* iPhone XS Max Portrait.png */; };
+		0828E499220692B500A59437 /* iPhone Portrait-Retina HD 4.7.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E48A220692B400A59437 /* iPhone Portrait-Retina HD 4.7.png */; };
+		0828E49A220692B500A59437 /* iPhone X_XS Portrait.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E48B220692B400A59437 /* iPhone X_XS Portrait.png */; };
+		0828E49B220692B500A59437 /* iPad Landscape@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E48C220692B400A59437 /* iPad Landscape@2x.png */; };
+		0828E49C220692B500A59437 /* iPhone Landscape-Retina HD 5.5.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E48D220692B400A59437 /* iPhone Landscape-Retina HD 5.5.png */; };
+		0828E49D220692B500A59437 /* iPhone Portrait@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E48E220692B400A59437 /* iPhone Portrait@2x.png */; };
+		0828E49E220692B500A59437 /* iPad Portrait@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E48F220692B400A59437 /* iPad Portrait@2x.png */; };
+		0828E49F220692B500A59437 /* iPhone XS Max Landscape.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E490220692B400A59437 /* iPhone XS Max Landscape.png */; };
+		0828E4A0220692B500A59437 /* iPad Landscape.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E491220692B500A59437 /* iPad Landscape.png */; };
+		0828E4A1220692B500A59437 /* iPhone XR Portrait.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E492220692B500A59437 /* iPhone XR Portrait.png */; };
+		0828E4A2220692B500A59437 /* iPhone Portrait-Retina HD 5.5.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E493220692B500A59437 /* iPhone Portrait-Retina HD 5.5.png */; };
+		0828E4A3220692B500A59437 /* iPhone XR Landscape.png in Resources */ = {isa = PBXBuildFile; fileRef = 0828E494220692B500A59437 /* iPhone XR Landscape.png */; };
+		0828E4A52206936100A59437 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 0828E4A42206936100A59437 /* Images.xcassets */; };
 		084A20882202E4FD00428FF5 /* flutter go.png in Resources */ = {isa = PBXBuildFile; fileRef = 084A20872202E4FD00428FF5 /* flutter go.png */; };
 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		2D5378261FAA1A9400D5DBA9 /* flutter_assets in Resources */ = {isa = PBXBuildFile; fileRef = 2D5378251FAA1A9400D5DBA9 /* flutter_assets */; };
 		333E5DAE7FC10AC69FEC26C0 /* libPods-Runner.a in Frameworks */ = {isa = PBXBuildFile; fileRef = DDA792F029EDD7A11295D192 /* libPods-Runner.a */; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
-		2D5378261FAA1A9400D5DBA9 /* flutter_assets in Resources */ = {isa = PBXBuildFile; fileRef = 2D5378251FAA1A9400D5DBA9 /* flutter_assets */; };
 		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
 		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
@@ -39,11 +55,27 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		0828E486220692B400A59437 /* iPhone Portrait-Retina 4.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone Portrait-Retina 4.png"; sourceTree = "<group>"; };
+		0828E487220692B400A59437 /* iPad Portrait.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPad Portrait.png"; sourceTree = "<group>"; };
+		0828E488220692B400A59437 /* iPhone X_XS Landscape.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone X_XS Landscape.png"; sourceTree = "<group>"; };
+		0828E489220692B400A59437 /* iPhone XS Max Portrait.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone XS Max Portrait.png"; sourceTree = "<group>"; };
+		0828E48A220692B400A59437 /* iPhone Portrait-Retina HD 4.7.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone Portrait-Retina HD 4.7.png"; sourceTree = "<group>"; };
+		0828E48B220692B400A59437 /* iPhone X_XS Portrait.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone X_XS Portrait.png"; sourceTree = "<group>"; };
+		0828E48C220692B400A59437 /* iPad Landscape@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPad Landscape@2x.png"; sourceTree = "<group>"; };
+		0828E48D220692B400A59437 /* iPhone Landscape-Retina HD 5.5.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone Landscape-Retina HD 5.5.png"; sourceTree = "<group>"; };
+		0828E48E220692B400A59437 /* iPhone Portrait@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone Portrait@2x.png"; sourceTree = "<group>"; };
+		0828E48F220692B400A59437 /* iPad Portrait@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPad Portrait@2x.png"; sourceTree = "<group>"; };
+		0828E490220692B400A59437 /* iPhone XS Max Landscape.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone XS Max Landscape.png"; sourceTree = "<group>"; };
+		0828E491220692B500A59437 /* iPad Landscape.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPad Landscape.png"; sourceTree = "<group>"; };
+		0828E492220692B500A59437 /* iPhone XR Portrait.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone XR Portrait.png"; sourceTree = "<group>"; };
+		0828E493220692B500A59437 /* iPhone Portrait-Retina HD 5.5.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone Portrait-Retina HD 5.5.png"; sourceTree = "<group>"; };
+		0828E494220692B500A59437 /* iPhone XR Landscape.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "iPhone XR Landscape.png"; sourceTree = "<group>"; };
+		0828E4A42206936100A59437 /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
 		084A20872202E4FD00428FF5 /* flutter go.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "flutter go.png"; sourceTree = "<group>"; };
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
-		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
 		2D5378251FAA1A9400D5DBA9 /* flutter_assets */ = {isa = PBXFileReference; lastKnownFileType = folder; name = flutter_assets; path = Flutter/flutter_assets; sourceTree = SOURCE_ROOT; };
+		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
 		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
 		7AFFD8ED1D35381100E5BB4D /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
@@ -74,6 +106,28 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		0828E485220692A700A59437 /* launch */ = {
+			isa = PBXGroup;
+			children = (
+				0828E491220692B500A59437 /* iPad Landscape.png */,
+				0828E48C220692B400A59437 /* iPad Landscape@2x.png */,
+				0828E48F220692B400A59437 /* iPad Portrait@2x.png */,
+				0828E487220692B400A59437 /* iPad Portrait.png */,
+				0828E48D220692B400A59437 /* iPhone Landscape-Retina HD 5.5.png */,
+				0828E486220692B400A59437 /* iPhone Portrait-Retina 4.png */,
+				0828E48A220692B400A59437 /* iPhone Portrait-Retina HD 4.7.png */,
+				0828E493220692B500A59437 /* iPhone Portrait-Retina HD 5.5.png */,
+				0828E48E220692B400A59437 /* iPhone Portrait@2x.png */,
+				0828E488220692B400A59437 /* iPhone X_XS Landscape.png */,
+				0828E48B220692B400A59437 /* iPhone X_XS Portrait.png */,
+				0828E494220692B500A59437 /* iPhone XR Landscape.png */,
+				0828E492220692B500A59437 /* iPhone XR Portrait.png */,
+				0828E490220692B400A59437 /* iPhone XS Max Landscape.png */,
+				0828E489220692B400A59437 /* iPhone XS Max Portrait.png */,
+			);
+			path = launch;
+			sourceTree = "<group>";
+		};
 		0C172CA58CDB230D5DA80034 /* Pods */ = {
 			isa = PBXGroup;
 			children = (
@@ -106,6 +160,7 @@
 		97C146E51CF9000F007C117D = {
 			isa = PBXGroup;
 			children = (
+				0828E485220692A700A59437 /* launch */,
 				084A20872202E4FD00428FF5 /* flutter go.png */,
 				9740EEB11CF90186004384FC /* Flutter */,
 				97C146F01CF9000F007C117D /* Runner */,
@@ -135,6 +190,7 @@
 				97C146F11CF9000F007C117D /* Supporting Files */,
 				1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */,
 				1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */,
+				0828E4A42206936100A59437 /* Images.xcassets */,
 			);
 			path = Runner;
 			sourceTree = "<group>";
@@ -210,12 +266,28 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				0828E4A0220692B500A59437 /* iPad Landscape.png in Resources */,
+				0828E4A1220692B500A59437 /* iPhone XR Portrait.png in Resources */,
+				0828E49F220692B500A59437 /* iPhone XS Max Landscape.png in Resources */,
 				97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */,
+				0828E4A3220692B500A59437 /* iPhone XR Landscape.png in Resources */,
+				0828E4A2220692B500A59437 /* iPhone Portrait-Retina HD 5.5.png in Resources */,
+				0828E49A220692B500A59437 /* iPhone X_XS Portrait.png in Resources */,
 				3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */,
 				2D5378261FAA1A9400D5DBA9 /* flutter_assets in Resources */,
+				0828E49E220692B500A59437 /* iPad Portrait@2x.png in Resources */,
+				0828E49D220692B500A59437 /* iPhone Portrait@2x.png in Resources */,
+				0828E499220692B500A59437 /* iPhone Portrait-Retina HD 4.7.png in Resources */,
 				084A20882202E4FD00428FF5 /* flutter go.png in Resources */,
+				0828E497220692B500A59437 /* iPhone X_XS Landscape.png in Resources */,
 				97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */,
+				0828E4A52206936100A59437 /* Images.xcassets in Resources */,
 				97C146FC1CF9000F007C117D /* Main.storyboard in Resources */,
+				0828E49B220692B500A59437 /* iPad Landscape@2x.png in Resources */,
+				0828E495220692B500A59437 /* iPhone Portrait-Retina 4.png in Resources */,
+				0828E498220692B500A59437 /* iPhone XS Max Portrait.png in Resources */,
+				0828E496220692B500A59437 /* iPad Portrait.png in Resources */,
+				0828E49C220692B500A59437 /* iPhone Landscape-Retina HD 5.5.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -440,6 +512,7 @@
 			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = Launch2;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
 				DEVELOPMENT_TEAM = RDJKXT446D;
 				ENABLE_BITCODE = NO;
@@ -464,6 +537,7 @@
 			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = Launch2;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
 				DEVELOPMENT_TEAM = RDJKXT446D;
 				ENABLE_BITCODE = NO;

ios/Runner/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ios/Runner/Assets.xcassets/Image.imageset/Contents.json

@@ -0,0 +1,20 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ios/Runner/Assets.xcassets/Launch2.launchimage/Contents.json

@@ -0,0 +1,201 @@
+{
+  "images" : [
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "2688h",
+      "filename" : "iPhone XS Max Portrait.png",
+      "minimum-system-version" : "12.0",
+      "orientation" : "portrait",
+      "scale" : "3x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "minimum-system-version" : "12.0",
+      "subtype" : "2688h",
+      "scale" : "3x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "1792h",
+      "filename" : "iPhone XR Portrait.png",
+      "minimum-system-version" : "12.0",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "minimum-system-version" : "12.0",
+      "subtype" : "1792h",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "2436h",
+      "filename" : "iPhone X_XS Portrait.png",
+      "minimum-system-version" : "11.0",
+      "orientation" : "portrait",
+      "scale" : "3x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "minimum-system-version" : "11.0",
+      "subtype" : "2436h",
+      "scale" : "3x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "736h",
+      "filename" : "iPhone Portrait-Retina HD 5.5.png",
+      "minimum-system-version" : "8.0",
+      "orientation" : "portrait",
+      "scale" : "3x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "minimum-system-version" : "8.0",
+      "subtype" : "736h",
+      "scale" : "3x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "667h",
+      "filename" : "iPhone Portrait-Retina HD 4.7.png",
+      "minimum-system-version" : "8.0",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "filename" : "iPhone Portrait@2x.png",
+      "extent" : "full-screen",
+      "minimum-system-version" : "7.0",
+      "scale" : "2x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "retina4",
+      "filename" : "iPhone Portrait-Retina 4.png",
+      "minimum-system-version" : "7.0",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "filename" : "iPad Portrait.png",
+      "extent" : "full-screen",
+      "minimum-system-version" : "7.0",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "filename" : "iPad Landscape.png",
+      "extent" : "full-screen",
+      "minimum-system-version" : "7.0",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "filename" : "iPad Portrait@2x.png",
+      "extent" : "full-screen",
+      "minimum-system-version" : "7.0",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "filename" : "iPad Landscape@2x.png",
+      "extent" : "full-screen",
+      "minimum-system-version" : "7.0",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "extent" : "full-screen",
+      "subtype" : "retina4",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "extent" : "to-status-bar",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "extent" : "full-screen",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "extent" : "to-status-bar",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "extent" : "full-screen",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "extent" : "to-status-bar",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "extent" : "full-screen",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "extent" : "to-status-bar",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "extent" : "full-screen",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -14,6 +14,18 @@
       "idiom" : "universal",
       "filename" : "flutter go-2.png",
       "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x"
     }
   ],
   "info" : {

ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -22,13 +22,7 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
-                                <rect key="frame" x="0.0" y="0.0" width="1080" height="1920"/>
+                                <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                                <constraints>
-                                    <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="1920" id="OLo-sE-hO2"/>
-                                    <constraint firstAttribute="height" constant="1920" id="YT6-bb-oIb"/>
-                                    <constraint firstAttribute="width" constant="1080" id="n6M-3x-zje"/>
-                                    <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="1080" id="qQn-AH-FYP"/>
-                                </constraints>
                             </imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>

ios/Runner/Images.xcassets/LaunchImage-2.launchimage/Contents.json

@@ -0,0 +1,49 @@
+{
+  "images" : [
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "extent" : "full-screen",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "extent" : "full-screen",
+      "scale" : "1x"
+    },
+    {
+      "orientation" : "landscape",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "extent" : "full-screen",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "minimum-system-version" : "7.0",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "iphone",
+      "minimum-system-version" : "7.0",
+      "subtype" : "retina4",
+      "scale" : "2x"
+    },
+    {
+      "orientation" : "portrait",
+      "idiom" : "ipad",
+      "minimum-system-version" : "7.0",
+      "extent" : "full-screen",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}