cookbook.json

{
	"samples": [
		{
			"name": "Animate a page route transition",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/page-route-animation.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/animation/page-route-animation.html",
			"web": null,
			"description": "A design language, such as Material, defines standard behaviors when\ntransitioning between routes (or screens). Sometimes, though, a custom\ntransition between screens can make an app more unique. To help,\nPageRouteBuilder provides an Animation object.\nThis Animation can be used with Tween and\nCurve objects to customize the transition animation.\nThis recipe shows how to transition between\nroutes by animating the new route into view from\nthe bottom of the screen.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"animation"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Animate a widget using a physics simulation",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/physics-simulation.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/animation/physics-simulation.html",
			"web": null,
			"description": "Physics simulations can make app interactions feel realistic and interactive.\nFor example, you might want to animate a widget to act as if it were attached to\na spring or falling with gravity.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"animation"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Animate the properties of a container",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/animated-container.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/animation/animated-container.html",
			"web": null,
			"description": "The Container class provides a convenient way\nto create a widget with specific properties:\nwidth, height, background color, padding, borders, and more.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"animation"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Fade a widget in and out",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/opacity-animation.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/animation/opacity-animation.html",
			"web": null,
			"description": "UI developers often need to show and hide elements on screen.\nHowever, quickly popping elements on and off the screen can\nfeel jarring to end users. Instead,\nfade elements in and out with an opacity animation to create\na smooth experience.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"animation"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Add a Drawer to a screen",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/drawer.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/design/drawer.html",
			"web": null,
			"description": "In apps that use Material Design,\nthere are two primary options for navigation: tabs and drawers.\nWhen there is insufficient space to support tabs,\ndrawers provide a handy alternative.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"design"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Display a snackbar",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/snackbars.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/design/snackbars.html",
			"web": null,
			"description": "It can be useful to briefly inform your users when certain actions\ntake place. For example, when a user swipes away a message in a list,\nyou might want to inform them that the message has been deleted.\nYou might even want to give them an option to undo the action.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"design"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Export fonts from a package",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/package-fonts.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/design/package-fonts.html",
			"web": null,
			"description": "Rather than declaring a font as part of an app,\nyou can declare a font as part of a separate package.\nThis is a convenient way to share the same font across\nseveral different projects,\nor for coders publishing their packages to pub.dev.\nThis recipe uses the following steps:",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"design"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Update the UI based on orientation",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/orientation.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/design/orientation.html",
			"web": null,
			"description": "In some situations,\nyou want to update the display of an app when the user\nrotates the screen from portrait mode to landscape mode. For example,\nthe app might show one item after the next in portrait mode,\nyet put those same items side-by-side in landscape mode.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"design"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Use a custom font",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/fonts.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/design/fonts.html",
			"web": null,
			"description": "Although Android and iOS offer high quality system fonts,\none of the most common requests from designers is for custom fonts.\nFor example, you might have a custom-built font from a designer,\nor perhaps you downloaded a font from Google Fonts.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"design"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Use themes to share colors and font styles",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/themes.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/design/themes.html",
			"web": null,
			"description": "To share colors and font styles throughout an app, use themes.\nYou can either define app-wide themes, or use Theme widgets\nthat define the colors and font styles for a particular part\nof the application. In fact,\napp-wide themes are just Theme widgets created at\nthe root of an app by the MaterialApp.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"design"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Work with tabs",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/tabs.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/design/tabs.html",
			"web": null,
			"description": "Working with tabs is a common pattern in apps that follow the\nMaterial Design guidelines.\nFlutter includes a convenient way to create tab layouts as part of\nthe material library.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"design"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Build a form with validation",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/validation.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/forms/validation.html",
			"web": null,
			"description": "Apps often require users to enter information into a text field.\nFor example, you might require users to log in with an email address\nand password combination.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"forms"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Create and style a text field",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/text-input.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/forms/text-input.html",
			"web": null,
			"description": "Text fields allow users to type text into an app.\nThey are used to build forms,\nsend messages, create search experiences, and more.\nIn this recipe, explore how to create and style text fields.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"forms"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Focus and text fields",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/focus.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/forms/focus.html",
			"web": null,
			"description": "When a text field is selected and accepting input,\nit is said to have “focus.”\nGenerally, users shift focus to a text field by tapping,\nand developers shift focus to a text field programmatically by\nusing the tools described in this recipe.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"forms"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Handle changes to a text field",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/text-field-changes.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/forms/text-field-changes.html",
			"web": null,
			"description": "In some cases, it’s useful to run a callback function every time the text\nin a text field changes. For example, you might want to build a search\nscreen with autocomplete functionality where you want to update the\nresults as the user types.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"forms"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Retrieve the value of a text field",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/retrieve-input.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/forms/retrieve-input.html",
			"web": null,
			"description": "In this recipe,\nlearn how to retrieve the text a user has entered into a text field\nusing the following steps:",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"forms"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Add Material touch ripples",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/ripples.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/gestures/ripples.html",
			"web": null,
			"description": "Widgets that follow the Material Design guidelines display\na ripple animation when tapped.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"gestures"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Handle taps",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/handling-taps.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/gestures/handling-taps.html",
			"web": null,
			"description": "You not only want to display information to users,\nyou want users to interact with your app.\nUse the GestureDetector widget to respond\nto fundamental actions, such as tapping and dragging.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"gestures"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Implement swipe to dismiss",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/dismissible.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/gestures/dismissible.html",
			"web": null,
			"description": "The “swipe to dismiss” pattern is common in many mobile apps.\nFor example, when writing an email app,\nyou might want to allow a user to swipe away\nemail messages to delete them from a list.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"gestures"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Display images from the internet",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/network-image.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/images/network-image.html",
			"web": null,
			"description": "Displaying images is fundamental for most mobile apps.\nFlutter provides the Image widget to\ndisplay different types of images.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"images"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Fade in images with a placeholder",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/fading-in-images.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/images/fading-in-images.html",
			"web": null,
			"description": "When displaying images using the default Image widget,\nyou might notice they simply pop onto the screen as they’re loaded.\nThis might feel visually jarring to your users.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"images"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Work with cached images",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/cached-images.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/images/cached-images.html",
			"web": null,
			"description": "In some cases, it’s handy to cache images as they’re downloaded from the\nweb, so they can be used offline. For this purpose,\nuse the cached_network_image package.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"images"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Create a grid list",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/grid-lists.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/lists/grid-lists.html",
			"web": null,
			"description": "In some cases, you might want to display your items as a grid rather than\na normal list of items that come one after the next.\nFor this task, use the GridView widget.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"lists"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Create a horizontal list",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/horizontal-list.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/lists/horizontal-list.html",
			"web": null,
			"description": "You might want to create a list that scrolls\nhorizontally rather than vertically.\nThe ListView widget supports horizontal lists.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"lists"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Create lists with different types of items",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/mixed-list.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/lists/mixed-list.html",
			"web": null,
			"description": "You might need to create lists that display different types of content.\nFor example, you might be working on a list that shows a heading\nfollowed by a few items related to the heading, followed by another heading,\nand so on.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"lists"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Place a floating app bar above a list",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/floating-app-bar.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/lists/floating-app-bar.html",
			"web": null,
			"description": "To make it easier for users to view a list of items,\nyou might want to hide the app bar as the user scrolls down the list.\nThis is especially true if your app displays a “tall”\napp bar that occupies a lot of vertical space.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"lists"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Use lists",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/basic-list.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/lists/basic-list.html",
			"web": null,
			"description": "Displaying lists of data is a fundamental pattern for mobile apps.\nFlutter includes the ListView\nwidget to make working with lists a breeze.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"lists"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Work with long lists",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/long-lists.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/lists/long-lists.html",
			"web": null,
			"description": "The standard ListView constructor works well\nfor small lists. To work with lists that contain\na large number of items, it’s best to use the\nListView.builder constructor.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"lists"
			],
			"platforms": [],
			"links": [],
			"type": "cookbook",
			"date": null,
			"channel": null
		},
		{
			"name": "Report errors to a service",
			"author": "Flutter",
			"screenshots": [
				{
					"url": "images/cookbook/error-reporting.png",
					"alt": "Cookbook article"
				}
			],
			"source": "https://flutter.dev/docs/cookbook/maintenance/error-reporting.html",
			"web": null,
			"description": "While one always tries to create apps that are free of bugs,\nthey’re sure to crop up from time to time.\nSince buggy apps lead to unhappy users and customers,\nit’s important to understand how often your users\nexperience bugs and where those bugs occur.\nThat way, you can prioritize the bugs with the\nhighest impact and work to fix them.",
			"difficulty": null,
			"widgets": [],
			"packages": [],
			"tags": [
				"cookbook",
				"maintenance"
			],
			"platforms": [],
			"links": [],
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			"web": null,
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			"web": null,
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			"web": null,
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			"web": null,
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			"difficulty": null,
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			"source": "https://flutter.dev/docs/cookbook/testing/widget/introduction.html",
			"web": null,
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				}
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			"source": "https://flutter.dev/docs/cookbook/testing/widget/finders.html",
			"web": null,
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			"difficulty": null,
			"widgets": [],
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			"links": [],
			"type": "cookbook",
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			"channel": null
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			"author": "Flutter",
			"screenshots": [
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					"url": "images/cookbook/tap-drag.png",
					"alt": "Cookbook article"
				}
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			"source": "https://flutter.dev/docs/cookbook/testing/widget/tap-drag.html",
			"web": null,
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			"difficulty": null,
			"widgets": [],
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			"tags": [
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			"links": [],
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}