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  • Fixing a bug in Tic Tac Toe with TDD

    Feb 27, 2022 · 11 min read · MVVM TDD minimax tic tac toe swiftui  ·
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    Fixing a bug in Tic Tac Toe with TDD

    I discovered a bug in the game I had written on Tic Tac Toe. When the board is in a certain state, the system did not take the obvious winning move. It still won the game, but with an extra move required. This article details how to write a failing unit test to reproduce the issue and how to update the minimax …

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  • TabView in SwiftUI

    Feb 20, 2022 · 7 min read · tabview swiftui  ·
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    TabView in SwiftUI

    A tab bar is presented at the bottom of the screen in iOS apps and is used for navigation between the major sections of an app. TabView is used in SwiftUI to easily add multiple tabs to the main view.

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  • Better performance with canvas in SwiftUI

    Feb 13, 2022 · 8 min read · canvas shape path swiftui  ·
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    Better performance with canvas in SwiftUI

    It is said that use of Canvas to create complex shapes can provide better performance in SwiftUI. This article compares performance of scrolling through multiple instances of the same card pattern created using shape, canvas or image.

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  • Animate spinning cog shape in SwiftUI

    Feb 6, 2022 · 14 min read · timelineview canvas path swiftui  ·
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    Animate spinning cog shape in SwiftUI

    I discovered, when playing around with the rounded-corner star shape, that the same basic shape could be used to create a cog shape. This article demonstrates the creation of the cog shape and the use of timelineview to animate its rotation in SwiftUI.

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  • Animate a background with TimelineView in SwiftUI

    Jan 30, 2022 · 7 min read · timelineview canvas path swiftui  ·
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    Animate a background with TimelineView in SwiftUI

    TimelineView was introduced in iOS 15 to control how to change a view over time. This can be used to animate the background on a Canvas in a SwiftUI.

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  • TimelineView to rotate shapes on a canvas

    Jan 23, 2022 · 7 min read · timelineview canvas path swiftui  ·
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    TimelineView to rotate shapes on a canvas

    TimelineView, introduced in iOS 15, can be used to change objects on a canvas over time. The article takes the star shape defined previously and animates rotating the star shape on the canvas in a SwiftUI view.

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Eric Callanan

Lifelong learner, Software Engineering Manager, Passionate, Curious
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Tags

SWIFTUI 69 PYTHON 28 SWIFT 13 PANDAS 12 PATH 12 BAR-CHART 10 MVVM 8 MATPLOTLIB 7 PLOTLY 7 ANIMATION 6 CANVAS 6 CHART 6 COVID-19 5 SHAPE 5
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2D2 3D2 ACTIVITY-RING1 ADDCURVE1 AI1 ALGORITHM1 ANGULARGRADIENT1 ANIMATABLEDATA4 ANIMATION6 AREA-CHART1 ARRAY1 ARRAYSLICE1 ASYNC3 ASYNC-LET1 AWAIT3 AXIS2 BAR-CHART10 BUTTON1 BUTTONSTYLE1 CANCEL1 CANVAS6 CARD1 CHART6 CHATGPT1 CIRCLE1 COLOR1 COMPACTMAP1 CONCAT1 COVID2 COVID-195 CROSS-PRODUCT1 DATAFRAME3 DEPENDENCY-INJECTION1 DI1 DICTIONARY1 DIVISION1 DOT-PRODUCT1 ENUMERATE1 FIBONACCI1 FILE1 FILTER1 FLATMAP1 FLIP1 FLOOR1 FOREACH1 FORM1 GEOMETRYREADER1 GEOPANDAS1 GEOPLOT1 HSTACK1 ILOC1 IMAGE2 INDEX1 IPYWIDGETS1 ITERATE1 JSON2 JSONDECODER1 LINE-CHART4 LIST1 LOC1 LOOP1 MACOS1 MAP1 MAPVALUES1 MATHPLOTLIB4 MATPLOTLIB7 MATTHEW1 MINIMAX3 MODAL1 MONTY-HALL3 MVVM8 NAVIGATION2 NAVIGATIONSPLITVIEW1 NSSAVEPANEL1 PALETTE1 PANDAS12 PATH12 PERFORMANCE2 PHOTO1 PIE-CHART1 PLOTLY7 POLYGON1 PREFIX1 PROBABILITY3 PROGRESS1 PROGRESSVIEW1 PUZZLE1 PYTHON28 QR-CODE1 RECURSION1 REDUCE1 ROMAN-NUMERALS1 SCROLL1 SHADING1 SHAPE5 SLIDER2 SPEED1 STAR3 STYLE1 SWIFT13 SWIFTLINT1 SWIFTUI69 TABULAR-DATA1 TABVIEW1 TASK3 TDD4 TEXT2 TIC-TAC-TOE5 TIMELINEVIEW4 TIMING1 UI-TESTING1 UNIT-TEST1 UNIT-TESTING1 USERDEFAULTS1 VECTOR4 VECTORARITHMETIC4 VSTACK1 WHEEL1 WHERE1 ZIP1 ZSTACK1
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