[iOS] UICollectionViewを使ã£ã¦æœˆè¡¨ç¤ºã®ã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ç”»é¢ã‚’ã¤ãã‚‹ | DevelopersIOã“ã‚“ãªç”»é¢ã‚’作りã¾ã™ã€‚ 月表示ã®ã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ç”»é¢ã¯æ ¼å状ã®ãƒ¬ã‚¤ã‚¢ã‚¦ãƒˆãªã®ã§ã€UICollectionViewを使ã£ã¦å®Ÿè£…ã—ã¾ã™ã€‚ 実装ã™ã‚‹ã“㨠UICollectionViewを使ã£ã¦æœˆè¡¨ç¤ºã®ã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ç”»é¢ã‚’作るã«ã‚ãŸã£ã¦ã€æœ€ä½Žé™å®Ÿè£…ã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã‚‚ã®ã¯ä»¥ä¸‹ã®ï¼“ã¤ã§ã™ã€‚ å¿…è¦ãªã‚»ãƒ«ã®æ•°ã‚’計算ã™ã‚‹ セルを作æˆã™ã‚‹ レイアウトを作る 1.å¿…è¦ãªã‚»ãƒ«ã®æ•°ã‚’計算ã™ã‚‹ UICollectionViewDataSourceプãƒãƒˆã‚³ãƒ«ã®collectionView:numberOfItemsInSection:メソッド内ã§ã‚»ãƒ«ã®æ•°ã‚’計算ã—ã¦å€¤ã‚’è¿”å´ã—ã¾ã™ã€‚ セルã®æ•°ã¯åˆ—数×行数ã§è¨ˆç®—ã§ãã¾ã™ã€‚月表示カレンダーãªã®ã§åˆ—æ•°ã¯7ã§å›ºå®šã§ã™ãŒã€è¡Œæ•°(=週ã®æ•°)ã¯æœˆã«ã‚ˆã£ã¦ç•°ãªã‚Šã¾ã™ã€‚ 週ã®æ•°ã‚’計算ã™ã‚‹ 月ã«é€±ãŒä½•å€‹ã‚ã‚‹ã‹ã‚’計算ã—ã¦ã¿ã¾ã—ょã†ã€‚ 今回ã¯NSCalendarクラスã®rangeOfUnit:inUnit
![[iOS] UICollectionViewを使ã£ã¦æœˆè¡¨ç¤ºã®ã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ç”»é¢ã‚’ã¤ãã‚‹ | DevelopersIO](https://cdn-ak-scissors.b.st-hatena.com/image/square/c83d413afe58d904e71a2ee3e849a272825f43c1/height=288;version=1;width=512/https%3A%2F%2Fdevio2023-media.developers.io%2Fwp-content%2Fuploads%2F2015%2F01%2Fios_ui.png)
{{#tags}}- {{label}}
{{/tags}}